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SnapSAN 3000/5000 Disk Array User Guide

1. Adding Application Servers to bind additional logical disks when an application server is added 7 Click Configuration Logical Disk and Logical Disk Bind on the left pane of the window to start binding the logical disks 8 The rest of the procedure is the same as the procedure in Section 5 3 4 Binding Logical Disks or Section 7 8 4 Binding Logical Disks 9 Assign the logical disks to the host 10 Lastly assign the logical disks you have created to the application server 11 On the Logical Disk Binding Completion window click Assign logical disk to the host to start assigning the logical disks The rest of the procedure is the same as the procedure in Section 5 3 5 Collecting Host Information Using the Initialization Wizard to Modify the Configuration The configuration can be modified by re running the initialization wizard The procedure is the same as the procedure for the first settings For details of the procedure see Section 5 3 1 Initialization Wizard or Section 7 8 1 Initialization Wizard When you re run the initialization wizard SnapSAN Manager issues a message asking whether to stop monitoring of the target disk array by SnapSAN Manager and to proceed with the initialization Click Yes and stop monitoring of the disk array to modify the configuration Modifying the Disk Array Configuration Each setting configured by the initialization wizard can be modified individually
2. Gy Is I 3 The following message appears to confirm whether to use CHAP authentication Enter y to use the CHAP authentication Enter n to skip the CHAP authentication To use CHAP authentication please enter y y n 4 When n is entered to skip the CHAP authentication proceed to step 9 When y is entered to use the CHAP authentication the following message appears Enter the password of the CHAP initiator Pleas nter the target CHAP secret 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 8 SnapSAN 3000 5000 Disk Array User Guide Preparation 5 To confirm enter the password of the CHAP initiator again Please enter password again 6 This is to confirm whether to use mutual CHAP authentication Enter y to use the mutual CHAP authentication Enter n to skip the mutual CHAP authentication To use mutual CHAP authentication please enter y y n 7 Proceed to step 9 when n is entered to skip the CHAP authentication If y is entered to use the mutual CHAP authentication the following message appears Enter the password of the CHAP target Pleas iMmiEeic iElae diaditiatoir Secieeic 8 To confirm enter the password of the CHAP target again Please enter password again 9 The IP addresses of the disk array are listed as follows Enter a list number corresponding to the IP addresses of the disk array iSCSI Setup Tool runs a ping command using
3. yum install iscsi initiator utils Installing Path Manager See Section For Linux Application Server for installation procedure This operation is not necessary if you do not install Path Manager Setting up iSCSI Software Initiator Perform the following steps to install iSCSI Software Initiator in the Linux environment Set up Open iSCSI Driver 1 Run the following command from the console to stop the iSCSI service service iscsid stop 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 4 SnapSAN 3000 5000 Disk Array User Guide Preparation NOTE If the iSCSI service has already been stopped this step is not necessary Use vi or another editor to open the etc iscsi iscsid conf file on the server 3 After changing the settings in the variables shown in Table E 2 Open iSCSI Driver Settings to the following values save and close the file Table E 2 Driver Settings Default Variable Name value Set value Remarks node startup No Automatic Automatically log on after the server reboots node session timeo replacem 120 30 Shorten the failover time ent_timeout when using Path Manager node startup Automatic node session timeo replacement_timeout 30 4 Run the following command from the console to start the iSCSI service service iscsi start 5 Run the following command from the console to confirm that the iSCSI service is operating etc init d iscsi status Set up CHAP Authentication
4. 00 Lun 01 Vendor NEC Model DISK ARRAY Revi xxxx Type Direct Access ANSI SCSI revision 04 Host scsi4 Channel 00 Id 00 Lun 00 Vendor NEC Model DISK ARRAY Revi xxxx Type Direct Access ANSI SCSI revision 04 Host scsi4 Channel 00 Id 00 Lun 01 Vendor NEC Model DISK ARRAY Revi xxxx Type Direct Access ANSI SCSI revision 04 adapter 2 10400386 001 07 2012 2012 Overland Storage Inc lt 4D 4 SnapSAN 3000 5000 Disk Array User Guide Check the Path Manager Settings and Status NOTE In the environment where Path Manager is installed in some cases depending on the Linux kernel version the logical disks that can be controlled by Path Manager are displayed after the logical disks recognized by the OS via the host bus adapter comprised in the above example of host bus adapter 1 and host bus adapter 2 Check the Path Manager Settings and Status When Path Manager will not be used this step is not essary After checking the FC cable connection between the application server and disk array controller restart the server and run the following command from the command prompt For details refer to the Path Manager User s Guide Linux version Check the kernel version 1 Check that the installed Path Manager supports the currently used kernel 2 Check that kernel version A number shown under uname r matches the value shown for kernel version B under rpm qi uname r 2 6 X XX rpm qa grep sps sps
5. Configuring IP Addresses by Using Network Setting Tool the page to set a time zone appears 1 Select Setup for SnapSAN 3000 5000 and click Next The Select Installation Method page appears 2 To set atime zone select Yes and click Next By default Asia and GMT 9 Tokyo time zone is set If you want to skip the setting select No When you select Yes the following page appears Select the Time Zone and click Set Time Zone Click Next Click Finish on the setup completion page The Web browser is started Linux Follow the steps below and use the time zone setting command to set a time zone of the disk array 1 Login as root user 2 Set the SnapSAN Manager Embedded Setup and Utility CD in the CD ROM drive of the SnapSAN Manager Embedded 3 Mount the CD ROM a Create a mount directory Example cdrom b Use the mount command mount r dev cdrom cdrom 4 Run the time zone setting command iSMtzconfig to obtain the time zone then run TZCONFIG LINUX iSMtzconfig in the CD ROM for the time setting command 10400386 001 07 2012 2012 Overland Storage Inc lt 4 2 12 SnapSAN 3000 5000 User Guide Configuring IP Addresses by Using Network Setting Tool tmp TZCONFIG LINUX iSMtzconfig show Serial Number Time Zone information 0000000991050240 Asia Tokyo GMT 9 isMtzconfig 001 Command has completed successfully 5 Check the result of running the command Confirm that the message number 0
6. Connector shape RJ 45 connector 10400386 001 07 2012 2012 Overland Storage Inc lt 4 c 2 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server NOTE CATG LAN cable is recommended Either straight cable or crossover cable can be used For a sample connection configuration see Appendix L iSCSI Connection Configuration Examples The following shows the positions of the host ports N T oon ee Host port HP connector Figure C 1 Unit with 10Gbps iSCSI 2port Controllers AY Foi Host port HP connector Figure C 2 Unit with 1Gbps iSCSI 2port Controllers 10400386 001 07 2012 2012 Overland Storage Inc lt 4C 3 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server The following shows an example of a 10 Gbps iSCSI connection redundant path configuration in combination with Path Manager To implement the following recommended example two NICs must be installed in the application server and two 10 Gbps cables are needed to connect the disk array controller and NICs Use a 10 Gbps cable to connect the NIC to the host port HP connector of the disk array controller The 10 Gbps cable has the same connector shape on both ends Appliation server Interface cable Figure C 3 Configuration Example Installing iSCSI Software Initiator Perform the following steps to install iSCSI Software Initiator in Windows Server 2008 or Windows Server 2003 environm
7. default installation in the 64 bit version 3 Click the Advanced tab and clear the Enable the next generation Java Plug in requires browser restart check box 4 Click OK to close the window Setup Installing Network Setting Tool This section describes how to install the Network Setting Tool Windows Use SnapSAN Manager Setup to install Network Setting Tool For the SnapSAN 3000 disk arrays SnapSAN Manager Setup is started automatically when the SnapSAN 3000 5000 Documentation Software CD is set For the SnapSAN 5000 disk arrays it is necessary to prepare the Overland Storage Base Product Follow the instruction on the screen to complete the installation Follow the steps below to use SnapSAN Manager Setup 1 Login as Administrator 2 Set the SnapSAN 3000 5000 Documentation Software CD in the CD ROM drive of the SnapSAN Manager Embedded SnapSAN Manager Setup should automatically start 3 Follow the instructions on the screen to perform the installation SnapSAN Manager Setup may not automatically start in some environments in which case you need to go to INSTALL WINDOWS ISMSETUP EXE select Setup for SnapSAN 3000 5000 and then click Next 4 Select Setup as a disk array in Quick Install and then click Next Check the software to be installed and click Next 6 Make sure to read all of the software license agreement 10400386 001 07 2012 2012 Overland Storage Inc 42 7 SnapSAN 3000 5000 User Guide S
8. storage Appendix Windows iSCSI Application Server Initializing Application Server Perform the following steps to initialize the application server in Windows environments Table C 1 Application Server Initiation Process Flow Description For details refer to Section Preparation Install Microsoft iSCSI Software Initiator Install Microsoft iSCSI Software For details refer to Section Installing Initiator iSCSI Software Initiator If Microsoft iSCSI Software Initiator has already been installed this step is not necessary Install PathManager Install Path Manager For details refer to Section Installing Path Manager When Path Manager will not be used this step is not necessary Set up Microsoft iSCSI Software This describes how to set up Microsoft Initiator iSCSI Software Initiator For details refer to Section Setting up iSCSI Software Initiator 10400386 001 07 2012 2012 Overland Storage Inc lt 4 c 1 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server Preparation Perform the following steps to prepare for installation of application server in Windows environment 1 Provide IP addresses for an application server Prepare IP addresses to be assigned to the application server as many as the NIC 1000BASE T or 10GBASE SR ports In addition prepare the subnet mask and gateway addresses by asking the network administrator CAUTION If two or more IP
9. 10400386 001 07 2012 2012 Overland Storage Inc lt 4 D 1 SnapSAN 3000 5000 Disk Array User Guide Collecting Registering Host Information on Application Server Check that none of the following software has been installed iSMrpl ReplicationControl iSMrcd ReplicationControl DisasterRecovery iSMsc SnapControl iSMvol iSM volume list command iSMagent SnapSAN Manager Agent Utility Run the following commands and check the results rpm q iSMrpl rpm q iSMrcd rpm q iSMsc rpm q iSMvol rpm q iSMagent If any of them has been installed uninstall all of them 1 Set the CD ROM in the application server NOTE On the server where CD ROMs are not available transfer the file of iSMvol rpm from other 3 server to install it Mount the CD ROM by performing one of the following Create a mount directory Example cdrom Use the mount command for mounting mount r dev cdrom cdrom Use the rpm command to start installation rpm ivh cdrom VOLLIST LINUX iSMVOL iSMvol rpm When the installation is complete the Installation completed message appears 4 Unmount the CD ROM Use the umount command for unmounting umount cdrom Collecting Registering Host Information on Application Server Collecting Host Information by Using File Output To collect host information by using file output follow the procedure below 10400386 001 07 2012 Run host information collection command
10. Fault LED S Input Good LED 2 Power supply cable clamp 3 Ejector 9 Standby Good LED AC power supply Figure 1 7 AC Power Supply Label Description 1 Power Plug Use the power cable shipped together with the disk array for supplying power to the disk array 2 Power Cable Clamp The power cable clamp prevents the power cable from coming off unintentionally 3 Ejector The ejector is used to install and remove a power supply 4 AC Switch The AC switch is used to power on and off input of power supply 5 Input Good Led Green This LED is lit if power is supplied when the AC switch is turned on 6 Fault Led Orange This LED is lit when an error is detected 7 Service Action Led Blue This LED is not used in this disk array system The LED is not lit all the time 8 Dc Good Led Green This LED is lit when DC output is normal 9 Standby Power Good Led Green This LED is lit when DC output is in the waiting status 10400386 001 07 2012 2012 Overland Storage Inc 41 5 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Controller Connections The connections for the various controllers is shown below 1 GB iSCSI 2 Port Controller 1 2 3 4 5 6 7 1 DC Button 3 Expansion Port 6 Management 2 USB Ports 4 State LEDs 7 Maintenance 5 Host Ports SnapSAN 3000 uses a 2 port version of this FC Controller Figure 1 8 Available
11. Firefox delete them You cannot register JRE of different versions at a time c Remove the symbolic links javaplugin oji so and libnpjp2 so from usr lib firefox lt version gt plugins for the default settings d Create a symbolic link to JRE in the plugins directory of Firefox e Run the following command with the usr lib firefox lt version gt plugins for the default settings as a current directory e Firefox 3 5 or earlier In s usr java jre lt version gt plugin i386 ns7 libjavaplugin_oji so e Firefox 3 6 or later In s usr java jre lt version gt lib i386 libnpjp2 so Note the following when you connect a disk array for which the network settings have not been configured NOTE The disk array must be connected to the SnapSAN Manager Embedded machine over a LAN to execute Network Setting Tool e The IP addresses BMC addresses and a floating address of the disk array are 0 0 0 0 by default e Connect the disk array to physically the same network where the SnapSAN Manager Embedded machine belongs for example a network that is not beyond a router IMPORTANT User Datagram Protocol UDP and port number 2730 are used for searching disk arrays If any firewall is set configure the settings of the network for the SnapSAN Manager Embedded machine and the disk array to allow packets for search to pass Configuring IP Addresses by Using Network Setting Tool Network addresses are set to a disk array for monitoring f
12. License Unlock 10400386 001 07 2012 2012 Overland Storage Inc 46 3 SnapSAN 3000 5000 Disk Array User Guide Modifying the Configuration by SnapSAN Manager FC SAS 10400386 001 07 2012 2012 Overland Storage Inc lt d 6 4 overlang storage Chapter 7 Performance Monitoring This chapter describes how to use the Performance Monitor performance monitoring function The performance monitoring function is for monitoring the performance of the SnapSAN 3000 5000 disk array subsystem collecting performance information and displaying the performance in real time The performance monitoring function is a function for centrally monitoring performance of storage devices when the devices are under control of the iSM The use of this performance monitoring function is capable of real time monitoring of loads detection of overload analysis and management of statistic information performance information of the past Since real time monitoring of loads is a short term analysis the performance data of a disk array are displayed with numerical values or graphs on the iSM client Performance Monitoring screen The overload monitoring function detects abnormalities during operation and outputs messages for notification when the performance value exceeding the specified threshold value is detected Since analysis and management of statistic information are a long term analysis the performance data of disk arrays are accumulated as a statis
13. Manager Initialization Wizard a When editing the settings of host connection ports is completed click Next on the Host connection port parameters iSCSI page b To change the settings for another port select the port to edit from the host connection port list and click Edit Parameter Description Port number Displays unique number for the port Port name Specify a port name Link Speed amp Duplex Displays the value of the link speed duplex These values cannot be changed MTU Select a MTU Maximum Transmission Unit size from the drop down list Change the size according to the network environment in use The default value is 1500 IP address Specify an IP address to be set for the port Subnet mask Specify a subnet mask or subnet prefix to be set for the port Gateway address Specify a gateway address to be set for the port c Clicking OK applies the change of settings to the list d When you click Next after changing the port settings as needed the port settings are made CAUTION Please perform another setup after waiting about 30 seconds after processing when a setup or change of an IP address is made When MTU is changed communication with other ports in addition to the iSCSI port may temporarily be interrupted 5 When any iSNS server is used register the iSNS server information Parameter Description ISNS server IP Displays the IP address and port number of the iSNS server
14. NOTE If CHAP authentication will not be used this step is not necessary For description of CHAP authentication refer to Appendix O CHAP Authentication e Setup method when using CHAP authentication of Initiator 1 Use vi or another editor to open the etc iscsi iscsid conf file on the server 2 After editing the file as shown below save and close the file 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 5 SnapSAN 3000 5000 Disk Array User Guide Preparation node session auth authmethod CHAP node session auth username lt iqn username of server gt node session auth password lt password of CHAP Initiator gt Example node session auth authmethod CHAP node session auth username iqn 1991 05 com microsoft exp120rj node session auth password jR021_0085sserpxE 3 Restart the iSCSI service etc init d iscsi stop etc init d iscsi start CAUTION The CHAP Initiator password that is set here is a password that a target uses to authenticate the Initiator This password is also required for settings on the disk array side see Section 13 2 21 iSMcfg setidsetchap in the SnapSAN Manager Command Reference so be sure to write it down so it is not forgotten e Setup method when using bidirectional CHAP authentication 1 Use vi or another editor to open the etc iscsi iscsid conf file on the server 10400386 001 07 2012 2012 Overland Storage Inc lt E 6 SnapSAN 3000 5000
15. Reason e The following items are hidden by default Host e To display any of these items right click the item name and set Display for the relevant item 2 WWN Mode and Port Mode radio buttons e WWN Mode Changes the mode of the port to the WWN mode e Port Mode Changes the mode of the port to the port mode 3 Change All button If you click this button all the ports are changed to the mode selected with WWN Mode or Port Mode In this case you do not need to select a port from the port list However you cannot change the mode by using this button if there are any ports locked by the port configuration lock unlock function You cannot change to the port mode if the configuration lock function confirms that any target application server is in operation Stop all the target application servers before performing this operation 4 Change Selected button If you select a port and then click this button the selected port is changed to the mode selected with WWN Mode or Port Mode You can select multiple ports in the port list if they are in the same mode When a confirmation screen is displayed for checking the settings in advance check the current mode of the port and the mode you are changing to However you cannot change the mode of a port locked by the port configuration lock unlock function You cannot change to the port mode if the configuration lock function confirms that any target application server is in operation Stop a
16. Tool e For SnapSAN 3000 disk arrays use the SnapSAN 3000 5000 Documentation Software CD that comes with the disk array e For the SnapSAN 5000 disk arrays it is necessary to prepare Overland Storage Base Product 1 Login as root user 2 Set the SnapSAN 3000 5000 Documentation Software CD in the CD ROM drive of the SnapSAN Manager Embedded If you cannot use the CD ROM in your environment send the iSMnetconfig rpm file from another server 3 Mount the CD ROM a Create a mount directory Example cdrom b Use the mount command mount r dev cdrom cdrom 4 Install JRE NOTE If it is already installed on your machine the installation is not necessary 10400386 001 07 2012 2012 Overland Storage Inc 42 8 SnapSAN 3000 5000 User Guide Configuring IP Addresses by Using Network Setting Tool e Copy the installer to a directory you want to use for example tmp cp r cdrom JRE LINUX jre 6u21 linux i586 rpm bin tmp e Run the installer you have copied tmp jre 6u21 linux i586 rpm bin 5 Use the rpm command for the installation rpm ivh cdrom NETCONFIG LINUX iSMnetconfig rpm The message Installation of iSMnetconfig was successful is shown when the installation is complete Unmount the CD ROM using the unmount command umount cdrom Register JRE with the Web browser Firefox according to the following procedure a Exit Firefox b If any JREs have been registered with the plugins directory of
17. a default gateway has not been set Click the Yes button CAUTION A gateway setting is required when connecting to a machine that is not set for the same IP subnet as the service console ESX Server 3 only or VMKernel 2 Set the IP address of each gateway corresponding to the routing service consoles and VMkernel in the DNS and Routing Configuration screen After completing the settings click the OK button 3 Click the OK button Check the content of the Settings Completed screen If there are no problems click the Finish button Connect the service console to an iSCSI network only when with ESX Server 3 10400386 001 07 2012 2012 Overland Storage Inc lt 4 F 5 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server After creating a VMKernel port for iSCSI Software Initiator connect a service console with the same vSwitch as for the target VMKernel port IMPORTANT This operation is not required when using ESX Server 3i After logging in to the VI Client select a server from the Inventory panel This opens the Hardware Configuration Page for this server Click the Network button for the configuration On the right side of the screen click the Properties button for the vSwitch associated with the created VMKernel port Click the Add button for the port 5 After selecting Service console in the Connection Type screen of the Add Network Wizard click the Next button On the Service Conso
18. about the procedure see Checking Connection from Application Servers 2012 Overland Storage Inc 43 1 SnapSAN 3000 5000 Disk Array User Guide Collecting Host Information Collecting Host Information This section describes collection of host information from application servers Host information can be automatically collected if the OS used on the application servers is only Windows and servers used in the system are all new servers that have not begun operating When there is any Linux RHEL5 or later or SLES10 or later application server and the servers used in the system are all new servers that have not begun operating host information can be collected through the disk array To collect host information when the disk array is installed in a system that has already begun operating or there is any application server on a different operating system see Section B 2 1 Collecting Host Information by Using File Output for a Windows environment or Section D 2 1 Collecting Host Information by Using File Output for a Linux environment Collecting Host Information Automatically or through a Disk Array When the OS of new servers to be connected by SAS cables is Windows and a disk array is newly installed host information can be automatically collected by using the SnapSAN Manager Host Agent Service function and SAS connection paths between the disk array and Windows servers When the OS of new servers to be
19. address and port number list Add Click this button to add iSNS server information This information appears on the iSNS server IP address and port number list Edit Select an iSNS server from the iSNS server IP address and Port number list Then click Edit to modify the iSNS information Delete Select an iSNS server from the iSNS server IP address and Port number list Then click Delete to modify the iSNS information Perform any of the following steps e To set the iSNS servers to be monitored by the disk arrays supporting iSCSI click Add to enter the necessary information Then click Next to go on to Finish initialization wizard page 10400386 001 07 2012 2012 Overland Storage Inc 44 3 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard To not use the iSNS server click Next to move on to license unlock procedure 6 Confirm that the initialization is completed Parameter Description Operate iSCSI Easy Config Tool The initialization is suspended to perform initialization on the host machine by using iSCSI Setup Tool Bind pool When you click this hyperlink the Pool Bind page appears to start pool binding 7 Perform the following operations a Click Operate iSCSI Easy Config Tool on the host machine to continue the initialization by using the iSCSI Setup Tool b When the following window appears see Section iSCSI Setup Tool and perform initializ
20. addresses are used by Path Manager the same network segment cannot be specified Prepare IP addresses of other segments Example 1 Connectable configuration HP0 192 168 0 10 HP1 192 168 1 10 Example 2 Unconnectable configuration HP0 192 168 0 10 HP1 192 168 0 11 2 Attach NIC 1000BASE T or 10GBASE SR Attach the NIC to the application server as described in the manuals provided with the NIC and application server NOTE If the NIC has already been attached to the application server this step is not necessary 3 Install the NIC LOOOBASE T or LOGBASE SR driver Install and set up the driver according to the setup procedure in the manual provided with the NIC equipped in the server or by referencing information provided on the Web etc NOTE If the driver has already been installed and set up for the NIC equipped in the application server this step is not necessary 4 Specify the network settings Select Start gt Control Panel gt Network Connection and then open Local Area Connection Properties to specify the IP address subnet mask and default gateway 5 Connect to the disk array controller Use a 10 Gbps or 1 Gbps cable to connect the application server to the host port HP connector of the disk array controller e Unit equipped with 10Gbps iSCSI 2port controllers 10 Gbps cable Connector shape LC connector NOTE FC cable can be used e Unit equipped with 1Gbps iSCSI 2port controllers 1 Gbps cable
21. and then all the SAS ports change to the port mode for SAS model Binding a Pool Perform basic settings for binding a pool 10400386 001 07 2012 2012 Overland Storage Inc 45 4 SnapSAN 3000 5000 Disk Array User Guide Overview Pool Bind Parameter Description Show pool list Click Show pool list to see the list of existing pools Click Close pool list to hide the pool list Physical disk type Select the type of physical disks that configure a pool RAID type Select the RAID type of the pool Auto disk selection Specify the number of physical disks to be used from the Number of physical disks and the capacity per physical disk from Physical disk capacity The selectable numbers of physical disks are RAID6 4 PQ 6 disks or more RAID6 8 PQ 10 disks or more RAID5 2 P 3 disks or more RAID5 4 P 5 disks or more RAID5 8 P 9 disks or more RAID TM 3 disks or more RAID1 2 disks or more Manual disk selection Select this option and click Select physical disks to manually select physical disks to be used for a pool Calculate pool capacity Click this button to see an estimated capacity of a pool in Total capacity of the pool When Physical disk type RAID type Number of physical disks Physical disk capacity is changed there is possibility that calculating is displayed temporarily under Total capacity of the pool Perform the following steps to bind a pool 1 Select the type of physical d
22. be bound in the spinner Logical disk capacity Specify the capacity of logical disks to be bound in the spinner Logical disk capacity Indicates the space size consumed by logical disks Capacity logical disks consume Indicates total size of the space occupied by logical disks Unused capacity of the pool Indicates free space available in a pool Logical disk name Displays the automatically assigned logical disk name To change the logical disk name enter a new logical disk name If two or more logical disks are bound enter a prefix for them 5 Select a pool in which logical disks will be bound enter the number and capacity of logical disks and click Next 10400386 001 07 2012 2012 Overland Storage Inc 45 7 SnapSAN 3000 5000 Disk Array User Guide Overview Parameter Description Pool information Displays pool information Basic logical disk settings Displays the basic settings to be used for binding logical disks Logical Disk Advanced Settings Displays default advanced settings to be used for binding a logical disk Advanced Click Advanced to modify the default settings displayed under Logical disk advanced settings Logical disks to be bound Displays the details of the logical disks to be bound 6 Perform the following steps for binding a logical disk a The settings of the logical disk to be bound are listed Confirm the settings b To perform advanced settings click Advanced c After confi
23. connection between the application server and disk array controller restart the application server and run the following command to check the number of logical disks No of logical disks assigned to application server x No of access paths from application server to individual logical disks and the respective vendor and model names DISK ARRAY NOTE If nothing is shown the OS was unable to recognize logical disks in the disk array assigned to an application server Check the connection between the server and disk array controller the Access Control host bus adapter driver settings etc Display example When two logical disks are assigned to a server with two access paths per logical disk cat proc scsi scsi Attached devices Host scsil Channel 00 Id 00 Lun 00 Vendor xxxxxxx Model xxxxxxx Revi xxxx Type Direct Access ANSI SCSI revision 03 Host scsil Channel 00 Id 00 Lun 00 Vendor xxxxxxx Model xxxxxxx Revi xxxx Type Processor ANSI SCSI revision 02 Host scsi2 Channel 00 Id 00 Lun 00 Vendor NEC Model DISK ARRAY Revi xxxx Host bus Type Direct Access ANSI SCSI revision 04 adapter 1 Host scsi2 Channel 00 Id 00 Lun 01 Vendor NEC Model DISK ARRAY Revi xxxx Check the Type Direct Access ANSI SCSI revision 04 number of Host scsi3 Channel 00 Id 00 Lun 00 these lines Vendor NEC Model DISK ARRAY Revi xxxx Host bus Type Direct Access ANSI SCSI revision 04 Host scsi3 Channel 00 Id
24. directory to root of a CD DVD drive before launching iSpmStarter exe for this situation 10400386 001 07 2012 2012 Overland Storage Inc lt 4G 2 SnapSAN 3000 5000 Disk Array User Guide For Windows Application Server NOTE Ifyou setup by non built in administrator account the dialog box shown as below may appear e Ifyou meet this dialog box click Continue 6 The InstallShield Wizard for Path Manager will start Depending on the state of your server the wizard shows one of the two dialogs shown below 7 Ifyou are installing Path Manager on the server for the first time the Welcome to the InstallShield Wizard for Path Manager dialog box will be displayed Click Next and continue to procedure 7 10400386 001 07 2012 2012 Overland Storage Inc lt 4G 3 SnapSAN 3000 5000 Disk Array User Guide For Windows Application Server NOTE If this version of Path Manager is already installed the Path Manager Maintenance dialog box will be displayed Click Cancel To uninstall the installed Path Manager refer to 2 2 Uninstallation 8 The License Agreement dialog box is displayed Review the license agreement and select the option I accept the terms in the license agreement Click Next 9 Click Next On installing Path Manager setup program also installs the option MultiPath I O feature of the Windows You can confirm which features are installed in the server manager 104
25. disks to be used for a pool Calculate pool capacity Click this button to see the estimated capacity of the pool in Total capacity of the pool When Physical disk type RAID type Number of physical disks Physical disk capacity is changed there is possibility that calculating is displayed temporarily under Total capacity of the pool Perform the following steps to bind a pool 1 Select the type of physical disk from Physical disk type 2 Select the type of RAID from the RAID type from the drop down list menu 3 Select the number of physical disk that configure the pool and their capacity using either Auto disk selection option or Manual disk selection option CAUTION When 61 or more physical disks configure a pool pool expansion is automatically performed The value for Total capacity of the pool displayed for a pool configuration with 61 or more physical disks is a rough estimate 4 Click Next to move on to the page for confirming settings The page for confirming the settings of pool binding appears This screen lists the settings of the pool to be bound Parameter Description Basic Settings Displays basic settings to be used for binding a pool Advanced Settings Displays default advanced settings to be used for binding a pool Advanced Click Advanced to modify the default settings displayed under Advanced Settings Physical disks to configure Displays details of physical disks used to configure a pool the
26. drivers E 5 X X sps utils 5 x x x x rpm qi sps drivers E 5 x x Name sps driver E Relocations not relocatable Version 5 x x Vendor Corporation Release 2 6 X X X Build Date xxxx year xx month xx day xx hour xx min xx sec Install Date xxxx year xx month xx day xx hour xx min xx sec Build Host co jp Group System Environment Kernel Source RPM sps driver E 5 x x 2 6 X X X Src rpm Size XXXX License GPL Signature none Packager Corporation Summary Path Manager for Linux Description The driver dd_mod sps_mod sps_mod2 provides the redundant SCSI path for iStorage Disk Array System This Driver works on Red Hat Enterprise Linux 5 2 6 x x x NOTE Display may vary slightly among different operating systems 10400386 001 07 2012 2012 Overland Storage Inc lt 4D 5 SnapSAN 3000 5000 Disk Array User Guide Check the Path Manager Settings and Status Check the Path Manager status 3 Check proc scsi sps ddxX where X is a b c number of logical disks assigned to server The path info line exists only for multiplexed sections of each device and if NML appears in all of the status columns of device info paths are normally multiplexed NOTE If nothing is shown none of the access paths recognized the logical disks of the disk array controller assigned to the application server Check the connection between the application server and the disk array controller the Access Cont
27. electric power Electric power value and electric energy are included 4 Extracting configuration information a There are the following types for configuration information of a disk array Information regarding the disk array and configurations Information regarding e Disk array e Node e Host director e Disk director e Host port e Replication port e Data migration port e Disk port e Cache 10400386 001 07 2012 2012 Overland Storage Inc 47 14 SnapSAN 3000 5000 Disk Array User Guide Function Overview e Cache segment e Logical disk e Physical disk e ANK e Pool e Cabinet a Information regarding changes in logical disk names This is information regarding changes in logical disk names b Information regarding changes in disk array configuration This is information regarding changes in disk array configuration c Information regarding changes in RANK configuration This is information regarding Logical Disk moving between RANKs by the performance optimization function To extract i and ii you must specify extraction of configuration information in CSV Conversion Tool iii and iv is always extracted regardless of specification to CSV Conversion Tool When configuration of the disk array and RANK changes statistic information before and after the change are no longer related Therefore you must consider the following to analyze statistic information When information iii is output statistic informat
28. iSCSI to make settings and then do the procedure in this chapter The initialization consists of 1 10400386 001 07 2012 Collecting host information e Collect host information from the application server e For details about the procedure see Collecting Host Information From Application Servers Initializing the disk array by using the initialization wizard e Use the initialization wizard to make the basic settings of the disk array e For details about the procedure see Initialization Wizard Binding a pool e Bind a pool in the disk array e For details about the procedure see Binding a Pool Binding a hot spare e Bind a hot spare This step is not required unless a hot spare is bound e For details about the procedure see Binding a Hot Spare Binding logical disks e Bind logical disks e For details about the procedure see Binding Logical Disks Collection and registration of host information e Collect host information and register it with the disk array e For details about the procedure see Collecting Host Information Assigning the logical disks to the application servers e Assign the created logical disk to the application servers e For details about the procedure see Assigning Logical Disks Checking connection from the application servers e Check that the application server to which the logical disks have been assigned can access the disk array e For details
29. iSCSI 2 port controller Figure 1 14 Location and Port Number Disk port Status 11 Link LED LNK Lit linkup Green Not lit link down 12 Fault LED FLT Lit An error is detected Orange Not lit Normal Adapter ADP 3 ID display LED 2 10 configration da 8 Diskpot N 1 Mairtenarceport Figure 1 15 LED Display Disk Array Enclosure Adapter 4 LAN por 5 Status depay L 1 Ready LED 2 Fault LED 3 ID LED Green Orange Blue Status Not lit Not lit Not connected or not powered on Flashing Not lit Running successfully Flashing Flashing in a Initializing firmware cycle of 0 5 second Flashing Flashing in a Error between adapters has been detected cycle of 1 second 10400386 001 07 2012 2012 Overland Storage Inc 41 14 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 1 Ready LED 2 Fault LED 3 ID LED Green Orange Blue Status Flashing Lit Error in the adapter has been detected Operation continued Not lit Lit Error in the adapter has been detected Unable to continue operation Lit The device is selected Disk port Status 4 Link LED LNK Green Lit linkup Not lit link down 5 Fault LED FLT Orange Lit An error is detected Not lit Normal DP OUT DP IN Figure 1 16 Location and Port Number DP OUT DP IN NOTE DP1 IN is not used under normal operation Basic Ope
30. iSMcc_hostinfo Run the host information collection command iSMcc_hostinfo from the command line For the export option specify a file host information file to which host information will be reported 2012 Overland Storage Inc lt D 2 SnapSAN 3000 5000 Disk Array User Guide Registering Host Information by Using File Output 3 Run the host information collection command iSMcc_hostinfo asa root user iSMcc_hostinfo export tmp ServerName isMcc_hostinfo Info iSM11700 Please wait a minute isMcc_hostinfo Info iSM11770 Host Information was exported successfully code aaaa bbbb bbbb bbbb iSMcc_hostinfo Info iSM11100 Command has completed successfully Confirm the result of running the command After running the host information collection command iSMcc_hostinfo confirm that the message No iSM11770 is reported and the host information is successfully collected aaaa in the message example above is replaced with a process number and bbbb with an internal code for maintenance in the actual message Transfer the host information file 7 Transfer the host information file reported by using the host information collection command iSMcc_hostinfo toa client by using file transfer USB memory and other methods To register host information files transferred to clients see Section Registering Host Information by Using File Output Registering Host Information by Using File Output To register hos
31. is recorded and click Add b Confirm that all the host information is retrieved and click Next This displays the Host information collection completion window 7 The result of setting host information is displayed Click Finish to close the page Checking Connection from Application Server This section describes how to check connection under a Windows environment and check the Path Manager settings and status Check connection under a Windows environment After confirming that the application server and disk array controller are connected through an FC cable restart the server and perform the following checks 1 To start select Administrative Tools gt Computer Management gt Device Manager 2 Click Disk drives and check the number of logical disks Display example When four logical disks are assigned to a server CAUTION If nothing is displayed the OS was unable to recognize logical disks in the disk array assigned to a server Check the connection between the server and disk array controller the Access Control settings host bus adapter driver settings etc 3 Open Disk Management and check the number of logical disks assigned to a server Check the Path Manager Settings and Status When Path ManagerPath Manager is not used it is not necessary to perform this step After checking the FC cable connection between the application server and disk array controller restart the server and run the following command from the command
32. l 10400386 001 07 2012 Collecting host information e Collect host information from the application server e For details about the procedure see Collecting Host Information From Application Servers Initializing the disk array by using the initialization wizard e Use the initialization wizard to make the basic settings of the disk array e For details about the procedure see Initialization Wizard Binding a pool e Bind a pool in the disk array e For details about the procedure see Binding a Pool Binding a hot spare e Bind a hot spare This step is not required unless a hot spare is bound e For details about the procedure see Binding a Hot Spare Binding logical disks e Bind logical disks e For details about the procedure see Binding Logical Disks Assigning the logical disks to application servers e Assign the logical disk to the application servers e For details about the procedure Assigning Logical Disk Checking connection from the application servers 2012 Overland Storage Inc lt 4 4 1 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard e Check that the application servers to which the logical disk has been assigned can access the disk array e For details about the procedure see Checking Connection from Application Server Initialization by SnapSAN Manager Initialization Wizard Overview Use initializatio
33. lt 4 G 6 SnapSAN 3000 5000 Disk Array User Guide For Linux Application Server 2 Specify the i option to install the RPM file run the underscored command 1 Ifthe silent option is not specified the OS will not be restarted The OS must be restarted before you start using Path Manager 2 The iscsi option must be specified for the iSCSI connection Specify the iscsi option if the FC connection and the iSCSI connection are used together When the kernel version number is 2 6 18 238 el5 FC connection sh install sh i silent Precheck for SPS Installation Uninstallation Distribution RedHat Architecture 1686 Kernel Version Linux2 6 Kernel Details 2 6 18 238 e15 Sonnen The following packages will be installed driver 100 RPMS RHEL5 5 6 1A32 sps driver E 5 0 0 256 18 233 ELO LSS o jou utils 100 RPMS RHEL5 5 6 1A32 sps utils 5 0 0 0 1686 rpm Preparing HHFHFHTEFEFETETEEEPTTEEPREPEEREEEE EERE HEE 1003 1 sps driver E 4 IiE AE EEE EEE EE EE EE EE EE EE EEE EE EHH HH HHH EE EEE H 100 Preparing HHFHFHHEEEFETETEREPETETEEEEEEREEHEE EERE EEE HE 1003 LiSpS UtilS FHHFFTTEEEEEETEREEPET TEPER EEEEREE EERE E E L005 pacching Tile eC SWS ULiMLIC Starting up sps devices Couldn t open erte sps cont NO sucen iile OF Chiceccory L epy BUCO Gerte oso Wait parsing device dev dda OK parsing disk info DISK AR
34. pool 5 Check if the list has any problems If the list has no problems click Set to display the confirmation dialog box 6 Click Yes to perform pool binding When the binding is completed the completion page appears 10400386 001 07 2012 2012 Overland Storage Inc 44 5 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard CAUTION When a physical disk to be used has stopped with the power saving function on it takes time to bind the pool When the first pool is bound a system volume 8 GB is automatically created When the pool binding is successfully completed the result of pool binding appears Parameter Description Bind another pool Click this hyperlink to reopen the Pool Bind page to bind another pool Bind hot spare Click this hyperlink to open the Hot Spare Bind page Bind logical disk Click this hyperlink to open the Logical Disk Bind page Binding a Hot Spare The Hot Spare Bind page has the view display and the list display The displays can be switched by clicking the tabs Parameter Description List By default the List view is displayed The List view displays a list of physical disks available to bind a spare Select the specified check box of the physical disk for which hot spare will be bound View Click this tab for the visual display of physical disks available to bind a spare Select the specified check box of the physical disk for which hot
35. server is stopped at auto archive execution In this case the summarized file that was not created last time is created at auto archive execution after the iSM server restarting 10400386 001 07 2012 2012 Overland Storage Inc 47 11 SnapSAN 3000 5000 Disk Array User Guide Function Overview Keep Period of Statistic Information The disk capacity will overload by continuing to accumulate statistic information Therefore you need to delete statistic information as appropriate This function periodically deletes the unnecessary statistic information by setting the period keep period to save the statistic information file The statistic information files are targeted for deletion when the number of days months years elapsed since the day the statistic information was collected has exceeded the set keep period Different keep periods can be set to statistic information files the according to their file types The keep period of statistic information can be set in the environment definition of the iSM server For the environment setting of the iSM server refer to the installation guide The targets for deletion are statistic information files created under the statistic information storage folder of the iSM server or in the archive folder under the statistic information storage folder Therefore take extra care when storing files in each folder The target files for deletion are determined based on the system time of the machine where iSM se
36. shows the positions of the host ports i AAI et mm NANA N F aE ae Host port HP connector Figure E 1 Unit 10Gbps iSCSI 2port Controllers T Host port i HP connector Figure E 2 Unit with1Gbps iSCSI 2port Controllers The following shows an example of a 10 Gbps iSCSI connection redundant path configuration in combination with Path Manager To implement the following recommended example two NICs must be installed in the application server and two 10 Gbps cables are needed to connect the disk array controller and NICs Use a 10 Gbps cable to connect the NIC to the host port HP connector of the disk array controller The 10 Gbps cable has the same connector shape on both ends 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 3 SnapSAN 3000 5000 Disk Array User Guide Preparation Appliation server Interface cable Figure E 3 Configuration Example Installing iSCSI Software Initiator Installation of iscsi initiator utils package is necessary Install the package by following the procedures on the manual of the operating system or the information provided on the website NOTE This procedure is unnecessary if the installation of iscsi initiator utils package is already finished Open iscsi is installed as standard DBM database Discovery discovery db and Node node d tables are included The iSCSI database files are stored in etc iscsi Install iscsi initiator utils package
37. so on Display example When two logical disks are assigned to a server with two access paths per logical disk 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 14 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server cat proc scsi scsi Attached devices Host scsil Channel 00 Id 00 Lun 00 Vendor xxxxxxx Model xxxxxxx Revi KXXX Type Direct Access ANSI SCSI revision 03 Host scsil Channel 00 Id 00 Lun 00 Vendor xxxxxxx Model xxxxxxx Rev xxxx Type Processor ANSI SCSI revision 02 Host scsi2Z Channel 00 Id 00 Lun 00 Vendor NEC Model DISK ARRAY Revi xxxx Type Direct Becess ANSI SCSI revision 04 NIC 1 Host scsi2 Channel 00 Id 00 Lun 01 Vendor NEC Model DISK ARRAY Revi XXXX Type Direct Access ANSI SCSI revision 04 Host scsi3 Channel 00 Id 00 Lun 00 Vendor NEC Mbde1 DISK ARRAY Rev xxxx Type Direct Access ANSI SCSI revision 04 NIC 2 Host scsi3 Channel 00 Id 00 Lun 01 Vendor NEC Model DISK ARRAY Rev xxxx Type Direct Access ANSI SCSI revision 04 Host scsi4 Channel 00 Id 00 Lun 00 Vendor NEC Model DISK ARRAY Rev xxxx Type Direct Access ANSI SCSI revision 04 Host scsi4 Channel 00 Id 00 Lun 01 Vendor NEC Model DISK ARRAY Rev XXXX Type Direct Access ANSI SCSI revision 04 Check the number of these lines In the environment where Path Manager is installed in some cases depending on the Linux kernel ver
38. spare will be bound Pool list Select a physical disk to create a hot spare When you select the physical disk for hot spare binding Enabled is displayed under the Enable Hot Spare field of the Pool list Pools that are enabled by a newly bound hot spare are shown in bold letters Enable the copy back mode Select this option to enable copy back mode When a faulty disk is replaced by a new disk copy back mode automatically copies back the data to the new disk Perform the following steps to bind a hot spare 1 Select one or more physical disks for hot spare binding CAUTION For slots having no physical disks the slot names and check boxes are grayed out in the visual display and the slots are not listed in the list display For physical disks for which a pool has been bound the check boxes are grayed out in the visual display and the disks are not listed in the list display 10400386 001 07 2012 2012 Overland Storage Inc 44 6 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard 2 Click Set to display the confirmation dialog box 3 Click Yes to perform hot spare binding When the hot spare binding is completed the result dialog box appears Parameter Description Bind another hot spare Click this hyperlink to reopen the Hot Spare Bind page to bind another hot spare Bind pool Click this hyperlink to open the Pool Bind page to bind another pool Bind logi
39. supported 4 The iSCSI Setup Tool sharing function can be used on the SnapSAN 5000 disk arrays This tool supports Windows Server 2008 or later The 32 bit version of Java Runtime Environment JRE must be installed to use this function 5 The SnapSAN 5000 does not support Microsoft Windows Server 2003 Enterprise Edition for Itanium based Systems and Microsoft Windows Server 2008 for Itanium based Systems 10400386 001 07 2012 2012 Overland Storage Inc lt 4 B 3 SnapSAN 3000 5000 Disk Array User Guide Installing SnapSAN Manager Agent Utility Table B 1 Operating System and Environments Systems Supported Environments Memory Microsoft Windows Server 2003 Standard Edition OS required memory 10 MB or more Microsoft Windows Server 2003 R2 Standard Edition OS required memory 10 MB or more Microsoft Windows Server 2003 Standard x64 Edition OS required memory 12 MB or more Microsoft Windows Server 2003 R2 Standard x64 Edition OS required memory 12 MB or more Microsoft Windows Server 2003 Enterprise Edition OS required memory 10 MB or more Microsoft Windows Server 2003 R2 Enterprise Edition OS required memory 10 MB or more Microsoft Windows Server 2003 Enterprise x64 Edition OS required memory 12 MB or more Microsoft Windows Server 2003 R2 Enterprise x64 Edition OS required memory 12 MB or more Microsoft Windows Server 2003 Enterprise Edition for Itanium based Systems OS required memory 37 MB or m
40. the IP addresses that are set in the host connection port parameters It does not show failed results and delete the failed ones from the search result of the target 1 Serial number 0000000991000004 Controller 0 IP address 172 168 1 101 2 Serial number 0000000991000004 Controller 0 IP address m2r les le 102 3 Serial number 0000000991000004 Controller 1 IP address 172 168 2 101 4 Serial number 0000000991000004 Controller 1 IP address 172 168 2 102 Please select target IP address 10 After the following message appears to confirm whether to create an LD set enter y to proceed To create LD set pleas meee ya y m 11 When the process is successfully complete a list of the IP addresses appears as follows Succeed to log on to the target Serial number XXXXXXXXXXXXXXXX Controller X IP address XXX XXX X XXX 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 9 SnapSAN 3000 5000 Disk Array User Guide Preparation The above is an example You will actually see the serial number controller number and IP address of the target You can specify a parameter file as shown below iSMiSCSISetup sh f lt parameter name gt n e When you specify f lt parameter name gt a parameter is loaded from the file specified e When you specify n a dry run is performed to check for any parameter error and does not process The details of the paramet
41. x64 without any Service Pack and Service Pack 1 Microsoft Windows Server 2003 Standard Edition from without any Service Pack to Service Pack 2 Microsoft Windows Server 2003 R2 Standard Edition without any Service Pack and Service Pack 2 Microsoft Windows Server 2003 Standard x64 Edition without any Service Pack and Service Pack 2 Microsoft Windows Server 2003 R2 Standard x64 Edition without any Service Pack and Service Pack 2 Microsoft Windows Server 2003 Enterprise Edition from without any Service Pack to Service Pack 2 Microsoft Windows Server 2003 R2 Enterprise Edition without any Service Pack and Service Pack 2 Microsoft Windows Server 2003 Enterprise x64 Edition without any Service Pack and Service Pack 2 Microsoft Windows Server 2003 R2 Enterprise x64 Edition without any Service Pack and Service Pack 2 Microsoft Windows Server 2008 Standard without any Service Pack and Service Pack 2 Microsoft Windows Server 2008 R2 Standard without any Service Pack and Service Pack 1 Microsoft Windows Server 2008 Enterprise without any Service Pack and Service Pack 2 Microsoft Windows Server 2008 R2 Enterprise without any Service Pack and Service Pack 1 Red Hat Enterprise Linux 5 5 to 5 7 IA32 EM64T Red Hat Enterprise Linux 5 5 to 5 7 Advanced Platform IA32 EM64T Products without Hyper V are also supported The Server Core installation option is not supported Web Browse
42. 0 Disk Array User Guide Modify Configuration FC 6 2 iSCSI 6 3 MPIO function C 5 N napSAN_ 1 15 Network Interface Card NIC C 2 E 2 F 2 O Overland Technical Support PR iii P Path patrol daemon D 6 PathManager 1 15 C 5 Linux G 6 Windows G 1 PathManagerr E 4 Pool Bind FC 4 1 5 1 5 5 Power control systems 1 17 Power LED 1 20 1 22 Power supply 1 5 1 8 Powering On the Disk Array System 1 15 product description 1 1 product documentation PR iii R RAID 3 7 5 5 Ready LED 1 20 RemoteDataReplication 1 21 S Service LED 1 17 SetiSNS Server 4 3 SnapSAN_ 1 15 SnapSAN Manager 1 15 SnapSAN Manager Software Configuration Setting Tool User s Manual GUI for the SnapSAN 3000 5000 1 15 Snapshot function 1 17 software update PR iii Status Display LED 1 7 1 9 T Target ID H 1 technical support PR iii 10400386 001 07 2012 2012 Overland Storage Inc 43 SnapSAN 3000 5000 Disk Array User Guide Transfer host information file B 6 D 3 typographical conventions PR iv U UPS 1 18 V VMKernel Port F 5 Volume 1 21 4 6 W Windows B 1 C 1 E 1 G 1 H 1 10400386 001 07 2012 2012 Overland Storage Inc 44
43. 00386 001 07 2012 2012 Overland Storage Inc lt 4G 4 SnapSAN 3000 5000 Disk Array User Guide For Windows Application Server 10400386 001 07 2012 2012 Overland Storage Inc 46 5 SnapSAN 3000 5000 Disk Array User Guide For Linux Application Server The Registration window will be displayed click Next The InstallShield Wizard Completed dialog box will be displayed Click Finish 10 The dialog box shown below will be displayed indicating a reboot is necessary Click Yes to reboot the server NOTE Do not re setup Path Manager before reboot the server Be sure to reboot the server if you re setup Path Manager 11 After the server reboots connect Path Manager for Windows to the server Path Manager automatically recognizes disk subsystems and paths and starts operating If your environment is Windows Server 2008 or Windows Server 2008 R2 please apply the following MPIO hotfix The MPIO driver fails over all paths incorrectly when a transient single failure occurs in Windows Server 2008 or in Windows Server 2008 R2 http support microsoft com kb 2522766 The installation of Path Manager is now complete For Linux Application Server Perform the following steps to install Path Manager in a Linux application server 1 Navigate to the mount directory For auto mount the user is navigated to the auto mount directory cd media cdrom 10400386 001 07 2012 2012 Overland Storage Inc
44. 01 is reported and the time zone of the disk array is shown after running the time setting command 6 To change the time zone run the time setting command tmp TZCONFIG LINUX iSMtzconfig set serial 0000000991050240 zone Asia Tokyo reboot Serial Number Time Zone information 0000000991050240 Asia Tokyo GMT 9 iSsMtzconfig 001 Command has completed successfully 7 Check the result of running the command Confirm that the message number 001 is reported and the time zone of the disk array is shown after running the time setting command CAUTION When you complete setting a time zone the disk array is restarted Before you start setting a time zone check that it does adversely affect your operations When using Red Hat Enterprise Linux Version 6 in an EM64T server environment the following packages must be installed in advance e glibe XXXX 1686 rpm e nss softokn freebl XXXX i686 rpm Where XXXX indicates the version of the package These packages are included in the OS installation media Installing SnapSAN Manager Agent Utility on Application Server This section describes how to install the SnapSAN Manager Agent Utility on an application server For details about the installation procedure see either of the following depending on the platform of the application server e For Windows application servers see Installing SnapSAN Manager Agent Utility e For Linux application servers see Installing SnapSA
45. 03 Standard Edition Windows Server 2003 R2 Standard Edition Windows Server 2003 Standard x64 Edition Windows Server 2003 R2 Standard x64 Edition Windows Server 2003 Enterprise Edition Windows Server 2003 R2 Enterprise Edition Windows Server 2003 Enterprise x64 Edition Windows Server 2003 R2 Enterprise x64 Edition Windows Server 2008 Standard Windows Server 2008 R2 Standard Windows Server 2008 Enterprise Windows Server 2008 R2 Enterprise Red Hat Enterprise Linux 5 5 Red Hat Enterprise Linux 5 5 Advanced Platform IMPORTANT Do not use any unsupported OS and JRE combinations When any product that uses Java Runtime Environment JRE is already installed in the environment where SnapSAN Manager Embedded WebGUI is used the product and SnapSAN Manager Embedded can live together if the following condition is satisfied If not either SnapSAN Manager Embedded WebGUI or the product must be operated on another server or PC 10400386 001 07 2012 2012 Overland Storage Inc 42 5 SnapSAN 3000 5000 User Guide Before Starting SnapSAN Manager Embedded The latest version of JRE installed in the environment supports SnapSAN Manager Embedded WebGUI as well as the product Use the JRE contained in the SnapSAN 3000 5000 Documentation Software CD for first installation However it is recommended to use the latest version among the supported JRE versions after the installation because the supporte
46. 0400386 001 07 2012 2012 Overland Storage Inc 41 17 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Control system Host OS Feature ESMPRO AC Windows This control system uses a Server for power Automatic operation Linux control and allows for automatic operation For details see ESMPRO AC manual UPS Not specified This control system is for instantaneous power Does not work with UPS interruption Because there is no association when the retention period of UPS elapses temporary power off followed by reboot takes place Cached data however is protected Association is a mechanism to notify the disk array system of interruption of power supply to the UPS and to start shutdown If you use the UPS control system establish redundancy by providing a UPS for each power supply of a device Make sure that a failure of a single UPS does not cause simultaneous power failure of PSO and PS1 Notes on using a UPS and automatic operation Where ESMPRO AC association is used together with the disk array system power must be turned off in a certain order AC power off sequence 1 Application server 2 FC switch 3 disk array controller 4 Disk enclosure gt 5 Management server Only ESMPRO AC If multiple disk enclosures are used you do not need to specify the sequence of power off among the disk enclosures 10400386 001 07 2012 2012 Overland Storage Inc 41 18 SnapSAN 3000 5000 Disk Array Us
47. 1 11 Controller GONT coren ea E AA 1 12 AGOPISTI ADP iaioe AAEE AEAN RAS RE 1 14 BASIC OPSTAO mesacsreniivanrinan i aA AE NE a Ee TaT Sa 1 15 Powering On the Disk Array System u ccsscscssssesscsescseescssesceeseseescseescsecsssesesseseesesasseseesesaesesaeasseseeeenes 1 15 AC Operating MOJE sssosisaisan osian aaa AA aaa a aAa 1 15 Notes on Powering On the Disk Array System u cescsessssescssessssescssescecscseceeseceesesessesessesaesesaseceesaseeees 1 17 Power Control Systems without Using Power SWITCHES csseescssescssescsecscsecseecsesessesesesseseseeees 1 17 IS OMMIMOM S VST MINS hz cies Suceics de Sesn sivsucsasyes eevee seus a etheaeisenissiensciiese 1 17 Notes on USING d UPS ANd AUTOMATIC OPELATION sessen n aa 1 18 Powening Off The Disk Aray Sylen cc icc dsccassasesecvasivevssevseuatvesdevtaacntsdandiasseeavetsesuccseaue avdavadvevacuevaleeva casts 1 20 Notes on Turning Off the AC POWED ccccscssscsesscsecscsssscssescsecseseceesscscseccsecsesecesscacsecsesessesesscsesecees 1 20 BACKING user dala ia scaiie dati iene i oaths ane tine Renate es 1 20 Notes On using the data replication FUNCTION c ecescseessesceeessessesessescssescseeecsesessessescsseecseeessees 1 21 AUTO Cache Flush FUNCTION sisesscscsnseaccsiacescacen aeeacacaneasadedeaeeacaacicoucasedeasaacasaechese A 1 2 Chapter 2 Install SnapSAN Manager Suite How SNAPSAN Manager is Configured eeccsssecssssesscsesecsesecseseseeseseeseseesescescsaesssecseseescsesassesa
48. 12 Overland Storage Inc lt 4 B 5 SnapSAN 3000 5000 Disk Array User Guide Collecting Registering Host Information on Application Server CAUTION After the SnapSAN Manager Agent Utility is installed the system needs to be restarted to start the SnapSAN Manager host agent service Collecting Registering Host Information on Application Server The procedure described below is not supported by the disk arrays connected via SAS Collecting Host Information by Using File Output To collect host information by using file output follow the procedure below Run the host information collection command iSMcc_hostinfo from the command prompt For the export option specify a file host information file to which host information will be reported Run the host information collection command iSMcc_hostinfo asa user privileged as Administrator D gt iSMcc_hostinfo export ServerName iSMcc_hostinfo Info iSM11700 Please wait a minute iSMcc_hostinfo Info 1i8SM11770 Host Information was exported successfully code aaaa bbbb bbbb bbbb iSMcc_hostinfo Info iSM11100 Command has completed successfully Confirm the result of running the command After running the host information collection command iSMcc_hostinfo confirm that the message No iSM11770 is reported and the host information is successfully collected aaaa in the message example above is replaced with a process number and bbbb with an internal
49. 6 3 Modifying the Disk Array Configuratori siccscscssesessseeseecevivecsesdesassaleddavassseasdasaseantiedsasea stats sastvdacesasstutenss 6 3 Chapter 7 Performance Monitoring Operation of Performance Monitoring FUNCTION uo ccecssecscsseecseescseeceseceeseseeseseeecseeecseeecseeecseeesseeesseseeae 7 2 FUNCTION OVEIVIOW au csiacexs Setdaceati botnet Hecssiae iia a iaoi ine aued nae a eiid ii i 7 3 Displaying Load STATUS in Real Time oo cece cesessesessescssescseeecsecseseesesessesecesseseeseseeecsseecsesscsesseseeessesesesaees 7 3 MONITORMMG OV GU OGS sssini israe na KAE A E N AN E Ei 7 4 Notifying threshold excess by e mail sesesesesessssesesesenessssssesenestnesssstsestnetssessstsesenensssssestsentsseses 7 5 Threshold monitonng Conditions sic ssccsicaiasdscveasvecdenatssheesevesd cedeasadasspeciaaiandoeceatd as Maainaatanteran aaaaetes 7 5 Supporting Statistic INFOFMATION ANALYSIS cccceseescesscsesscsessssesessessssessescssescseeecsesesseeecsesssseeesseseeeenees 7 7 AS CUMUIATING STOTSTIS IMTOMMOMON aripii iiaia a inas 7 8 SUMIMENZING statiste IMMOMMOTIOMN seian ne ieran or eaaa aN a A an 7 10 keep Panod Of Statistic IMMONMIGTION seisine na r nra n a E E 7 12 Downloading Statistic IN Orn Oses eaaa iis 7 12 Exracting Statiste IMTONMEMIOMN eorpora aE E E 7 12 Eding Stanisic IMOMMONOM senenn NAAR 7 15 Appendix A Specifications Appendix B Windows FC SAS Application Server Installing SNaPSAN Manager Agent UtIITY wo ecsce
50. B 2 Cache memory capacity 8 GB 8GB initial per unit 16 GB when memory added Backup time for cache Unlimited Unlimited memory DEs per unit 3 5 inch DE Max 7 2 5 inch DE Max 3 3 5 inch DE Max 7 2 5 inch DE Max 5 Number of disk drives 3 to 96 3 5 inch disk drive 3 to 96 2 5 inch disk drive 3 to 144 Disk drive 3 5 inch SAS 15Krpm 300 GB 450 GB 600 GB standard 600 GB encryption 3 5 inch NLSAS 7 2Krpm 1TB 2TB 3 5 inch SSD 400 GB 2 5 inch SAS LOKrpm 300 GB 450 GB 600 GB standard 600 GB encryption 2 5 inch NL SAS 7 2Krpm 1TB 2 5 inch SSD 10 OGBB 3 5 inch SAS 15Krpm 300 GB 450 GB 600 GB standard 600 GB encryption 3 5 inch NLSAS 7 2Krpm 1 TB 2 TB 3 5 inch SSD 400 GB 2 5 inch SAS LOKrpm 300 GB 450 GB 600 GB standard 600 GB encryption 2 5 inch NL SAS 7 2Krpm 1TB 2 5 inch SSD 10 OGBS amp Disk interface SAS Maximum transfer rate 6 Gbps SAS Maximum transfer rate 6 Gbps RAID type 10400394 001 07 2012 RAID 10 50 60 TM 2012 Overland Storage Inc RAID 10 50 60 TM lt 4 A 1 SnapSAN 3000 5000 Disk Array User Guide Specifications of the RAID configurations are shown below Table A 1 Specifications RAID Configurations Number of disk Storage RAID type RAID components drives efficiency RAID 10 1D 1D x n 2 or more 50 RAID 50 2D P x n 3 or more 66 4D P x n 5
51. Controllers 10400386 001 07 2012 2012 Overland Storage Inc 41 6 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Label Description 1 DC Button The DC switch is used to start up or shut down the disk array system in non AC operating mode In AC operating mode the DC switch only allows for shutdown of the disk array system There are two types of shutdown normal shutdown and forced shutdown When this switch is pressed four or more seconds forced shutdown is performed For information on AC operating mode see the description about AC operating mode in Section Powering On the Disk Array System 2 USB Port These USB 2 0 ports are used for debugging They are not used under normal operation 3 Disk Port The disk port is used to connect to the next disk enclosure A controller has one disk port The port has a fault LED below the port and a link LED above the port 4 State Display LED For details see Section LED Display 5 Host Port Host ports are used to connect hosts The port connector form the number of ports and the position of LEDs to show the status vary according to the controller type 6 Management Port The management port is a 1OM 100M 1Gbps LAN port used for SnapSAN Manager and SNMP connection The port has a LINK ACT LED right and an SPEED LED left 7 Maintenance Port The maintenance port is a 10M 100M 1Gbps LAN port used for connecting a maintenance PC
52. Disk Array User Guide Function Overview e The input is a statistic information history file and the output is a primary summarized file In other words statistic information in each logging interval within each period of summarizing in the input file is summarized in units of hours and the result is recorded in the output file e History file gt Secondary summarized file direct secondary summarizing e The input is a statistic information history file and the output is a secondary summarized file In other words statistic information in each logging interval within each period of summarizing in the input file is summarized in units of days and the result is recorded in the output file e Primary summarized file gt Secondary summarized file secondary summarizing e The input is a primary summarized file and the output is a secondary summarized file In other words statistic information in each hour within each period of summarizing in the input file is summarized in units of days e For the enhanced statistic information the maximum and minimum values are selected from the enhanced statistic information of the same type recorded in the primary summarized file Auto Archive e Statistic information can be summarized automatically at fixed intervals e By summarizing statistic information automatically the following two summarized files are periodically created in the archive folder under the statistic information storage
53. Disk Array User Guide Preparation 2 Edit the file as shown below then save and close the file node session auth authmethod CHAP node session auth username lt ign username of server gt node session auth password lt password of CHAP Initiator gt node session auth username in lt iqn username of disk array gt node session auth password in lt password of CHAP target gt Example node session auth authmethod CHAP node session auth username iqn 1991 05 com microsoft exp120rj node session auth password jRO21 0085sserpxE node session auth username in iqn 2001 03 jp nec storage01 ist m000 sn 0000000938209213 wn O target0000 p OZ N68 LOM64 332160 node session auth password in i3DegarotsiC zal Z 3 Restart the iSCSI service etc init d iscsi stop y OQESC UMiite C i1SCSi Sica CAUTION The CHAP Initiator password that is set here is a password that a target uses to authenticate the Initiator This password is also required for settings on the disk array side see Section 13 2 21 iSMcfg setldsetchap in the SnapSAN Manager Command Reference so be sure to write it down so it is not forgotten Execute Discovery e Method when not using ISNS Internet Storage Name Service server 4 Use the iscsiadm command to search for the target iscsiadm m discovery t sendtargets p lt IP cddreb Oi Clisis aieweiy gt Example iscsiadm m discovery t s
54. E Quick Setting cannot be used for the disk arrays of the SnapSAN 5000 or later when Access Control is enabled and if unused physical disk are different in type capacity or rotation speed 1 Confirm the Normal Setting checkbox is selected and then click Next 2 Perform the following steps to change a disk array name a Enter a new name in the New Disk Array Subsystem Name box b Confirm the name and click Next 3 To configure a time using NTP select Synchronize the time with the NTP server and click Next NOTE Quick Setting cannot be used for the disk arrays of the SnapSAN 5000 or later when Access Control is enabled and if unused physical disk are different in type capacity or rotation speed Parameter Description Port number Unique port number Port name Specify the name to be assigned to the port Platform Specify the platform of the host to be connected Data rate Specify the value corresponding to the data transfer rate of the HBA or HUB a Clicking OK applies the change of settings to the list b When you click Next after changing the port settings as needed the port settings are made 4 Confirm that the initialization is finished Parameter Description Bind pool When you click this hyperlink the Pool Bind page appears for starting pool binding 5 To move on to pool binding click Bind pool NOTE When the initialization is complete the Access Control function starts automatically
55. For details on the Performance Report refer to Appendix D Report Format of Performance Report Editor 10400386 001 07 2012 2012 Overland Storage Inc 47 15 SnapSAN 3000 5000 Disk Array User Guide Function Overview a Performance Summary Report The Performance Summary Report is a component based summary of statistic information on e Whole disk array e Node e Host directors e Disk directors e Host ports e Replication ports e Disk ports e Caches e Cache segments e Logical disks e Physical disks e RANKs e Pools Analysis of the Performance Summary Report provides understanding of general load status in the entire disk array and each component of the statistic information collection period b Performance Detail Report The Performance Detail Report summarizes the following statistic information per statistic information logging Interval of the iSM and is assigned chronologically e Whole disk array e Node e Host directors e Disk directors e Host ports e Replication ports e Disk ports e Caches e Cache segments e Logical disks e Physical disks e RANKs e Pools Analysis of the Performance Detail Report provides understanding of chronological change in the load status of the entire disk array and each component as well as detection of a performance bottleneck There are the following 14 types of the performance detail reports e Disk array performance detail report e Node performance detai
56. Hat Enterprise Linux 5 ZIG lt a 2 Check the Path Manager status Check proc scsi sps ddX where Xisa b c number of logical disks assigned to server The path info line exists only for multiplexed sections of each device and if NML appears in all of the status columns of device info paths are normally multiplexed CAUTION If nothing is shown none of the access paths recognized the logical disks of the disk array controller assigned to the application server Check the connection between the application server and the disk array controller the Access Control settings NIC driver settings and so on Display example When two logical disks are assigned to a server with two access paths per logical disk 10400386 001 07 2012 2012 Overland Storage Inc lt E 16 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server cat proc scsi sps dda device dev dda disk info DISK ARRAY xxxxxxxXXXxXxXXXXXKX XXXXX COVLES IMESSHOSESCSCSLS2 Clagianesile i ls0 iwine Watch Enable Status NML LoadBalance D2 pacn inmr030 Hosrssecsi 0 Claaimmeils nels Twm Prioritysi Status ACT parcn inios Ll blosiessesigil Channel Lele Tum Prioritys2 Sterus HOr 3 Check the path patrol daemon Confirm that the path patrol daemon is operating When the path patrol daemon is started the following message is displayed etc rc d init d dd_daemon status dd_daemon pid XXX is
57. Lit Not lit Lit Running successfully Lit Lit Lit Problem in power supply fan Power supply temperature warning Lit Lit Not lit Power supply output problem Power supply temperature problem Lit Lit INPUT ON 12V and 5V no output 5Vstb output Not lit Input problem The service action LED is lit when directed by a device connected to a port or the system 10400386 001 07 2012 2012 Overland Storage Inc 41 11 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Controller CONT OO Host par active LED c Mana gen ent port SPEED 7 Managementpor LNKACT LED GiMalntenanee port SPEED LED 4 Maintenance port LNKJIACT LED l 1 2Disk port fault LED A FC 2 port controller NNN ARN l Spine se we i il B FC 4 port controller 10 Hest port active LED A fami a A C 1G iSCSI 2 port controller 10 Host port active LED 3 Host port link LED D 10G iSCSI 2 port controller Figure 1 13 LED Display Disk Array Controller CONT 10400386 001 07 2012 2012 Overland Storage Inc 41 12 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Management port Maintenance port Status 2 Management port LINK ACT LED green The LED is lit when it is connected 4 Maintenance port LINK ACT LED green The LED flashes when data is transferred 1 Management port SPEED LED When operating at 100 Mbps T
58. N Manager Agent Utility Starting SnapSAN Manager Embedded NOTE Before you use SnapSAN Manager Embedded Web GUI in a Windows environment configure the Web browser Internet Explorer and Java 10400386 001 07 2012 2012 Overland Storage Inc 42 13 SnapSAN 3000 5000 User Guide Configuring IP Addresses by Using Network Setting Tool 1 Start your Web browser In a Windows Vista or later or Windows Server 2008 or later environment right click the icon to start the Web browser to select Run as administrator 2 Start up the SnapSAN Manager Embedded by entering the host name or the IP address floating address or if no floating address is assigned the IP address of Controller 0 or Controller 1 of the disk array to be connected in the address bar of the Web browser For example http host name or http IP address CAUTION If you enter the IP address in the IPv6 format the IP address must be enclosed in square brackets in which case you cannot use Internet Explorer 6 If only the SnapSAN is configured for IPV6 then avoid IE6 If using IPV4 there are no changes requried Parameter Description User Name Allows to enter user name Save User Name Allows to save the entered user name Password Allows to enter a password Save Password Allows to save the entered password 3 Perform the following steps to logon to SnapSAN Manager Embedded a Enter sysadmin in the User Name box b Enter sys123 defaul
59. P Authentication 2 Ifmutual CHAP authentication will be used click the Secret button If mutual CHAP authentication will not be used skip step 3 and move to step 4 below Under CHAP Secret enter the password assigned to Initiator for use in mutual CHAP authentication and then click the OK button 10400386 001 07 2012 2012 Overland Storage Inc lt 4c 5 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server CAUTION The CHAP Secret can be specified as any string of 12 to 16 alphanumeric characters as well as amp _ Letters are case sensitive For security password text strings are indicated as e or other symbols Mutual CHAP authentication is also described in SnapSAN Manager Command Reference as Bidirectional CHAP authentication The CHAP Secret that is set here is a password that a target uses to authenticate the Initiator This password is also required for settings on the disk array side see Section 13 2 21 iSMcfg setidsetchap in the SnapSAN Manager Command Reference so be sure to write it down so it is not forgotten 3 Perform the iSCSI Initiator Properties Discovery tab settings using any of the following options e Settings when not using iSNS Internet Storage Name Service server e Settings when using the iSNS Internet Storage Name Service server Settings when not using iSNS Internet Storage Name Service server Perform the following settings a Under the Discovery ta
60. Port0 iStorage0 11h 0 so on Cont1 Switch Port1 iStorage1 13h 1 Cont1 Switch1 Port2 server A HBA1 Switch1 Port3 server B HBA1 10400386 001 07 2012 2012 Overland Storage Inc lt 4 H 3 SnapSAN 3000 5000 Disk Array User Guide Target ID IMPORTANT Ilf you connect wrong Path Manager to Ports of SwitchO and Switch1 you cannot perform cluster setup since Target IDs differ between controller 0 and controller 1 SwtichO PortO Path Manager 0 ContO Target ID 0 SwtichO Port1 Path Manager 1 ContO Target ID 1 Swtich1 PortO Path Manager 1 Cont1 Target ID 0 Swtich1 Port1 Path Manager 0 Cont1 Target ID 1 Logical Unit Number This section describes a method for setting matching values as the Logical Unit Number LUN of disk array controllers recognized from the server Each disk array controller includes an access control function that masks logical disks and maps LDNs starting from LUNO If this access control is not being used the logical disk number LDN of a logical disk configured in a disk array controller becomes the Logical Unit Number LUN that can be accessed from the server When access control is used it becomes possible to change LUN number that can be accessed from the server For example when LDNOO to 03 are in a disk array controller access control can set LDNOO LUNOO LDNO1 LUNO1 LDNO2 LUNO2 as recognized from Server A and LDNOO LUNO1 LDNO1 LUNO2 LDN0O3 LUNO0 a
61. RAY 0000000935000734 00001 OK parsing LoadBalance D2 OK PACSLMC 5 PREM TMtOs O Hosicssesi38 Chennels 0 Teso Iwims Priority 1 Watch Enable Status ACT OK parsing s o pPatha intoe7 Hosicesesi37 Clagiaagile Tolo bun Priority 2 Watch Enable Status HOT OK Wart Wine all clew clebk 19 maces coco 5656 o AND cel deemon Pie 3963 18 TUNMLAG o oo sps Install Completed Broadcast message from root Thu Feb 25 14 15 57 2010 The system is going DOWN for reboot in 1 minute 10400386 001 07 2012 2012 Overland Storage Inc 4G 7 SnapSAN 3000 5000 Disk Array User Guide For Linux Application Server 3 When the installation is completed successfully the message sps Install Completed shaded area is reported If this message is not shown it indicates the installation has failed in which case see Software Path Manager for Linux User s Manual for information and actions to be taken 4 When the installation is finished successfully the system restarts after 1 minute Check if the OS is operating successfully The installation of Path Manager is now complete 10400386 001 07 2012 2012 Overland Storage Inc lt 4G 8 overlang storage Appendix H MSCS with Windows Server 2003 When you are using Microsoft Cluster Service MSCS in the Windows Server 2003 environment the value set to each server by the MSCS specifications must match the SnapSAN Manager Target ID and LUN number values recognized by ea
62. S 3 2 Collecting Host Information Automatically or through a Disk Array n ss ssssssssssssessessesssreseressesessessss 3 2 Collecting Host Information by using the Host Information Collection COMMANGA eee 3 2 Initialization by SnapSAN Manager Initialization Wizard s ssssssesesesessssssesesesessssssesesesenessssesesenesssssseseseses 3 3 OVEIVIOW EE EA E E E E E E E E E E E 3 3 Saning The IMIMGIZATIOM Wiza wxscceesterencceves cheat enna N OEO dave eataedyi 3 3 Welcome to Initialization Wizard sos ccasecsensscatelikde ailisensdbin E R a a 3 3 Set Disk Array Subsystem NAME s lt as covssc vescsevecncsavccvessveuntantarsovvated casey e SEET riria tasa seie 3 3 SOT ME sdescsndcseaccueudutasats ai E EAE i E NANN EEE NEER NEEE 3 4 Host Connection Port PArAMetels ccccccsceccscscssescsscsccsescsscscsscsceccsceccsesccsseccseeecsesccaesccsesesseseseesceecaceess 3 5 Porn Mode SWIER sssccsseatatzccecscveanescaiieabavacsdunes E E aE aa a a AA 3 5 Finish Imitalizatiorr Wizard vee seeeeescscescsseccseescsecseseseeseccesesceseseeecseeseseecseecsesecseecsesessesessesessesesseseeecseeessesess 3 6 etiaro lale ke K aolo EE AEE E E E EA ATT 3 7 etiaro liae Ke ialok PONG A E E N E EE ES A A 3 9 Bindang Logical DISKS soreurns nee a E E T O E 3 10 Asionmen oi Logical DISKS cereicevesicsdecst beach daca leveiensesteei ANANN 3 1 Assignment oi Logical Disk Finish saron aoa n n a E E led R 3 12 Checking Connection from Application Servers ccccesecesss
63. SCSI Setup Tool will be sometimes an error Please re execute the iSCSI Setting Tool in that case Checking Connection from Application Server Perform the following steps to connect the application server and disk array in Windows environments Log on in Windows environments Log on to the target For details refer to Section Logon Steps in Windows Environments Confirm that the OS recognizes the logical disk Confirmation in Windows environments Check PathManager settings and status For details refer to Section C 3 2 Confirmation Steps in Windows Environments Check Path Manager settings and status For details refer to Section C 3 3 Check the Path Manager Settings and Status If Path Manager will not be used this step is not necessary Logon Steps in Windows Environments Perform the following steps to logon to the target in the windows environment 10400386 001 07 2012 2012 Overland Storage Inc lt 4C 8 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server 1 Click the Refresh under the Targets tab in iSCSI Initiator Properties Then the Initiator name iqn of the disk array controller will be shown under Targets Select an iqn and click the Log on button 2 Change the following settings When finished click the Advanced button e Select the Automatically restore this connection when the system boots option e Do not select the Enable muti p
64. See Table 1 1 Relation between the initialization wizard and configuration settings to find how the settings configured in the initialization wizard and configuration settings are related Setting in the Initialization Wizard How to Modify the Setting Set Disk Array Subsystem Name Select Disk Array gt Disk Array Management gt Change of Settings Time Settings Select Disk Array gt Time Settings License Unlock Select Disk Array gt License Unlock 10400386 001 07 2012 2012 Overland Storage Inc 46 2 SnapSAN 3000 5000 Disk Array User Guide Modifying the Configuration by SnapSAN Manager FC SAS Setting in the Initialization Wizard How to Modify the Setting Host Connection Port Parameters Select Disk Array gt Host Connection Port gt Host FC Connection Port Setting FC Host Connection Port Parameters SAS Select Disk Array gt Host Connection Port gt Host Connection Port Setting SAS Port Mode Switching Select Disk Array gt Host Connection Port gt Port Mode Switching Modifying the Configuration by SnapSAN Manager iSCSI This section provides information on modifying the configuration of an iSCSI connected disk array by SnapSAN Manager Binding Additional Logical Disks iSCSI This section describes how to bind additional logical disks on an iSCSI connected disk array To bind additional logical disks on an iSCSI connected disk array click Configuration and Logical Disk and Logic
65. SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server 3 Open Disk Management and check the number of logical disks number of logical disks assigned to server Confirmation in Linux Environment Run the following command to check the number of logical disks No of logical disks assigned to application server x No of access paths from application server to individual logical disks and the respective vendor and model names DISK ARRAY cat proc scsi scsi IMPORTANT If nothing is shown check the software iSCSI Initiator settings for the ESX Server environment the server Storage connections NIC driver settings and so on 10400386 001 07 2012 2012 Overland Storage Inc lt F 10 overland storage Appendix G Path Manager Installation This appendix provides the steps you should follow while installing Path Manager software in a Windows or Linux application server For Windows Application Server Use the setup CD ROM and follow the steps below to install Path Manager in a Windows application server Installation 1 Turn off the power supply of the server first and then disconnect all connections between the server and the disk array controller When SAN boot is enabled the server should be connected to the disk array controller via a single connection Power on the server and log in as a user having administrative authority built in administrator for Windows Server 2008 for the se
66. TSD arator Seb cess bese nett e traset wets caters she aseaveyst sevuvssteeect e a A reeset A T E 2 lnstallirig SCS SOfWare dTor sesscccsaicecsssscsassessadiceasuceconsacaasad cvascaassdaasucedoddesnusecsrsacsssaceiaacausscaaducecedeeest E 4 INSTALING PATA Mangar ssiesecsiieh nen Gi adiatan Gunn naisiietaiinniiniain iad ailinwnntned E 4 SEMAG UP BCS oware IMMOTON srar na E E AOOO ERNS E 4 Setup OPEM WO B71 ee a mE oT S E 4 SET up CHAP Authentication iscss cccssccsszeecesssesncsrcatosssdscodsoovevecedesesstduesbisecsdooesisonedacodbssesad sadatcusysdsoevdeoeoe E 5 EXECUTE DISCOVERY siniese a ESE AEA EA ARA eee E 7 SCSI SEIO TOOL a sshedsdesnsdiideacivshecseiat abstadsiosanashihsvandisladioredadhasuisseasbdi vee adie OAN aN E 8 Checking Connection from Application Server e ssssssesssessssssesesenessssesesenesnstsestnesnsesesenessnsssesenessnse E 12 LOGON STEPS in LINUX EMVIROMIMENTS sxaccscesrisetstiastidarsys esta TE ETAN ASE n E 13 Confirmation STEPS IN LINUX ENVIFONMENT cecseesesecseessescecsseceeeesecsecsccscescsscsscsecsecsecseesceacsaeeasenees E 14 Check the Path Manager Settings ANC STATUS vc eesesesseccssescssescssescseescseescseecsessseesseesseeessesseecaees E 15 Appendix F VMware iSCSI Application Server IAMMANIZIAGi ADPIIC GTOM SSIVEM eier E dear den E F PMS PO CGTION I ess sas ihe ciaescauecsconetecest E E A E E E E E F Creanno VMKEnMel POM Trierer aron a E E NOE F 5 Selingup Sotware ISCS IAM OTOR csi sieessisecvvva
67. This connector is not used under ordinary operation The port has a LINK ACT LED right and an SPEED LED left Disk Enclosure Optional Component This section describes names and functions of disk enclosure components Front View The front view of a disk enclosure is the same as the front view of the disk array controller DAC 10400386 001 07 2012 2012 Overland Storage Inc 41 7 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Rear View 1 Power supply PS1 2 Adeotr ADP 2 Adapter ADP Figure 1 9 Disk Enclosure Rear View with AC Power Supplies Label Description 1 Power supply PSO PS1 Two power supplies are installed on a disk enclosure 2 Adapter ADPO ADP1 Two adapters are installed on a disk enclosure Power Supply Power supplies of a disk enclosure are the same as the power supplies of the disk array controller Adapter 3 ID display LED abetted PA Duress 7 Disk port OUT Figure 1 10 Adapter Label Description 1 Maintenance port This port is for maintenance This port is not used under normal conditions 2 ID configuration dial The ID configuration dial is not used 3 ID display LED The ID display LED is not used 4 LAN port The LAN port is used for maintenance It is not used under normal operation 10400386 001 07 2012 2012 Overland Storage Inc 41 8 SnapSAN 3000 5000 Disk Arr
68. To perform quick setting see Configuration Setting Tool User s Manual GUI for the SnapSAN 3000 5000 2 Confirm whether Normal Setting is selected and then click Next NOTE Quick Setting cannot be used for the disk arrays of the SnapSAN 5000 or later when Access Control is enabled and if unused physical disk are different in type capacity or rotation speed Set Disk Array Subsystem Name You can change the disk array name Parameter Description Product ID Displays the product ID of the disk array Serial Number Displays the serial number of the disk array 10400386 001 07 2012 2012 Overland Storage Inc 43 3 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Parameter Description Disk Array Subsystem Displays a name to identify the disk array subsystem Name New Disk Array Subsystem By default displays the current disk array subsystem Name name To change this name enter a new disk array subsystem name Perform the following steps to change a disk array name 1 Enter a new name in the New Disk Array Subsystem Name box 2 Confirm the name and click Next Set Time Figure 3 1 Parameter Description State Displays the date and time currently set for the disk array and the status of synchronization with the NTP server appear Synchronize the time with the Select this option to move on to the NTP setting NTP server page Set the time manua
69. a aaa 5 3 BINAN ROO maroen A A AEAN 5 4 POI BUAG I saapas ana EE N A E EE EEE 5 5 Brang GION OTE ae a E E E O T NA 5 6 HOES OGRE BING EREE E A E E E 5 6 Binanga LOGICA DISKS ario nean aa E E apse turak evans sob aevusctet csc ds erases 5 7 togical DEK BING arrra n T A T AN 5 7 Assignment Of Logical DISKS n isisieaesrsistnatteadsiersesnrdeinbetn E beatae 5 9 Checking Connection from Application Servers ccccscsccsesccssscsssscsscscescsceccsceecscsecsceecsesecsesecaesces 5 10 Chapter 6 Configuration Changes Modifying the Settings by Using DIP SWItCNES oc eeeseessssesesesescseeeeseseseseneeeceeseseaeneeececaeseneeeeeceeaeeeeeeetaeaes 6 1 Modifying the Configuration by SnapSAN Manager FC SAS ccccccsscsscsssssescsscsssscessesssssssesssesesees 6 2 Binding Additional Logical Disks FC SAS scesssssssessseseseeessesesceesesesseececaeseaeseeceeseeeeeeseeceeaeseneneseees 6 2 Using the Initialization Wizard to Modify the Configuration oo ecesesetcestseseseseeseeeteceeseseseestetseeeneeees 6 2 Moditying th Disk Array Configuratio sessesssessessrsiosssracosisoiisi riesen virsa v inin Tan E 6 2 Modifying the Configuration by SnapSAN Manager iSCSI sssssssessssessssrssssrssesrsssrsresrssesrssess 6 3 Binding Additional Logical Disks iSCSI sssitseseve eis deaseiendivinniv ban natidanin ai aadiovendeasieiediesasbieiens 6 3 Using the Initialization Wizard to Modify the Configuration wo eecesetsteestseseseseteseeeeeceeseseneeeteeateeneeees
70. a load exceeding a specified threshold value Upon detecting overload a message event log syslog operation log notifying overload is displayed At the same time asterisks are displayed at the location where the overload occurred on the Performance Monitoring screen When the occurrence of overload is reported by a message an administrator must identify the location of overload occurrence on the Performance Monitoring screen In addition by specifying the threshold monitoring conditions and conditions to reset threshold excess state it is possible to perform operations such that overloads in a temporary disturbance are not detected and when threshold exceeding continues overloads are detected and notified continuously To detect overload of the entire disk array it is enough to set thresholds for the entire disk array IOPS of the port transfer rate and average response time and to monitor the performance You do not have to specify a threshold for each and every logical disk and physical disk If you need to restrict the I O load of a specific logical disk and physical disk for some reason such as data of the database application specify thresholds for the logical disk and physical disk Then you can detect an abnormal load on them 10400386 001 07 2012 2012 Overland Storage Inc 47 4 SnapSAN 3000 5000 Disk Array User Guide Function Overview Performance Monitoring Screen Performance Monitor pe
71. a logging interval is automatically adjusted a message notifies the adjustment NOTE Effect of statistic information collection on storage units When it is determined that there area many disk array components and the number of times for collecting statistic information is a lot message iSM08051 is displayed If this message is displayed make a logging interval longer The monitored disk arrays collect various types of statistic information by component load type in the unit of summarizing From the statistic information iSM reads the statistic information of the types shown in Tables A 3 to A 11 in A 3 1 and accumulates the time changes in the statistic information history file Such statistic information is called basic statistic information The information output on a specific resource basis is called additional statistic information and is described in the form of resource name additional information iSM also records information required for displaying the following information in the statistic information history file e Component information required interpreting accumulated statistic information e Name tags used for displaying the results of analysis 10400386 001 07 2012 2012 Overland Storage Inc 47 9 SnapSAN 3000 5000 Disk Array User Guide Function Overview Summarizing Statistic Information The statistic information accumulation function described above accumulates statistic information collected in every l
72. a replication function 1 21 DIP Switch 6 1 Modify Settings 6 1 Disk Array Controller 1 9 Power 1 11 Disk Array Enclosure Adapter 1 14 Disk Array Unit Controller CONT 1 6 Front View 1 2 Power supply 1 5 Rear View 1 4 Disk Drive 1 9 2 5 inch 1 2 3 5 inch 1 3 Front View 1 3 Disk Enclosure 1 7 1 9 Adapter 1 8 Front view 1 7 Power Supply 1 8 Rear view 1 8 Dummy carrier 1 3 lt 4 IX 1 SnapSAN 3000 5000 Disk Array User Guide E ESMPRO AC 1 17 F flow indicator PR iv Front Bezel 1 3 H Host bus adapter HBA H 1 H 3 Host Information 5 2 5 3 B 6 D 2 Hot Spare Bind FC 3 9 5 6 Initializing Application Server iSCSI F 1 Initializing FC Disk Array Assigning Logical Disks 3 11 5 9 Binding a Hot Spare 5 6 Binding a Pool 5 5 Binding Logical Disks 5 7 Checking Connection from Application Server 5 10 Collecting Host Information 5 2 Initializing Wizard 5 3 Initializing iSCSI Disk Array Assigning Logical Disks 4 8 Binding a Hot Spare 4 6 Binding Logical Disks 4 7 Checking Connection from Application Server 4 9 iSCSI Setup Tool 4 4 Installation iSCSI Software Initiator C 4 SnapSAN Manager Agent Utility B 1 iSCSI Setup Tool C 7 L LED Display 1 9 List display Hot Spare Bind FC 3 9 5 6 Logical Disk Bind FC 5 7 iSCSI 4 7 Logical Unit Number H 4 M Maintenance Port 1 7 1 8 Management Port 1 7 Maximum Transmission Unit MTU 4 3 10400386 001 07 2012 2012 Overland Storage Inc 42 SnapSAN 3000 500
73. ager Embedded Disable the auto update function of Java according to the following procedure 1 Open the Java Control Panel NOTE In a Windows Vista or later environment or a Windows Server 2008 or later environment right click the icon to start the Web browser to select Run as administrator 2 Use Explorer and execute the following file located in the JRE installation folder e C Program Files Java jre6 bin javacpl exe default installation in the 32 bit version OS e C Program Files x86 Java jre6 bin javacpl exe default installation in the 64 bit version IMPORTANT Alternatively when you are using a 32 bit version of OS and if Java is in Control Panel you can use it 10400386 001 07 2012 2012 Overland Storage Inc 42 6 SnapSAN 3000 5000 User Guide Setup 3 Click the Update tab and clear the Check for Updates Automatically check box 4 Click OK to close the window Disable the next generation Java plug in according to the following procedure This example is based on Windows 7 1 Open the Java Control Panel NOTE In a Windows Vista or later environment or a Windows Server 2008 or later environment right click the icon to start the Web browser to select Run as administrator 2 Use Explorer and execute the following file located in the JRE installation folder e C Program Files Java jre6 bin javacpl exe default installation in the 32 bit version OS e C Program Files x86 Java jre6 bin javacpl exe
74. al Disk Bind on the left pane of the window For the details of the procedure after the startup see Section 6 2 5 Binding Logical Disk Using the Initialization Wizard to Modify the Configuration The configuration can be modified by re running the initialization wizard The procedure is the same as the procedure for the first settings For details of the procedure see Section 6 2 1 Initialization Wizard When you re run the initialization wizard SnapSAN Manager issues a message asking whether to stop monitoring of the target disk array by SnapSAN Manager and to proceed with the initialization Click Yes and stop monitoring of the disk array to modify the configuration Modifying the Disk Array Configuration Each setting configured by the initialization wizard can be modified individually See Table 1 2 Relation between the initialization wizard and configuration settings to find how the settings configured in the initialization wizard and configuration settings are related Initialization Wizard Settings Settings Modification Set Disk Array Subsystem Name Select Disk Array gt Disk Array Management gt Change of Settings Time Settings Select Disk Array gt Time Settings Setting host connection port parameters Select Disk Array gt Host Connection Port gt Host iSCSI Connection Port Settings iSCSI Setting iSNS server Select Disk Array gt iSNS Server Settings License Unlock Select Disk Array gt
75. amiliar with computer hardware data storage and network administration terminology and tasks It also assumes you have basic knowledge of Internet SCSI iSCSD Serial attached SCSI SAS Serial ATA SATA Storage Area Network SAN and Redundant Array of Independent Disks RAID technology Product Documentation and Firmware Updates Overland Storage SnapSAN product documentation and additional literature are available online along with the latest release of the SnapSAN 3000 5000 software Point your browser to http docs overlandstorage com snapsan Follow the appropriate link to download the latest software file or document For additional assistance search at http support overlandstorage com Overland Technical Support For help configuring and using your SnapSAN 3000 5000 search for help at http support overlandstorage com kb You can email our technical support staff at techsupport overlandstorage com or get additional technical support information on the Contact Us web page http www overlandstorage com company contact us For a complete list of support times depending on the type of coverage visit our web site at http support overlandstorage com support overland_care html 10400386 001 07 2012 2012 Overland Storage Inc lt PR iii SnapSAN 3000 5000 Disk Array User Guide Conventions This user guide exercises several typographical conventions Convention Boldface Description
76. amp Usage Words in a boldface font Example indicate items to select such as menu items or command buttons Ctrl Alt r This type of format details the keys you press simultaneously In this example hold down the Ctrl and Alt keys and press the r key NOTE A Note indicates neutral or positive information that emphasizes or supplements important points of the main text A note supplies information that may apply only in special cases for example memory limitations or details that apply to specific program versions IMPORTANT CAUTION A An Important note is a type of note that provides information essential to the completion of a task or that can impact the product and its function A Caution contains information that the user needs to know to avoid damaging or permanently deleting data or causing physical damage to the hardware or system WARNING A Menu Flow Indicator gt A Warning contains information concerning personal safety Failure to follow directions in the warning could result in bodily harm or death Words in bold font with a greater than sign between them indicate the flow of actions to accomplish a task For example Setup gt Passwords gt User indicates that you should press the Setup button then the Passwords button and finally the User button to accomplish a task Information contained in this guide has been reviewed for accuracy but not for product warranty because of t
77. any session that has already been established When CHAP has been disabled the current session continues until a restart or a forced log out of the disk array controller is executed After a restart or a forced log out of the disk array controller it is no longer possible to connect to any disk array that requires CHAP authentication IMPORTANT The CHAP Secret that is set here is a password that a target uses to authenticate the Initiator This password is also required for settings on the disk array side see Section 13 2 21 iSMcfg setldsetchap in the SnapSAN Manager Command Reference so be sure to write it down so it is not forgotten 10400386 001 07 2012 2012 Overland Storage Inc lt 4 F 7 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server Checking Connection from Application Server Perform the following steps to connect the application server and disk array controller in a VMware environment After executing a rescan make sure that a list of available adapters is shown by the software iSCSI Initiator used to access software activated iSCSI storage disk array controllers For details refer to Section Executing Rescan Set up a data store Set up a data store for the software activated iSCSI storage device For details refer to Section Setting up a Data Store Make sure that the logical disks are recognized by the Guest OS Check with a guest OS F j For details refer to Sect
78. application servers by following the procedure described in one of the following e For a Windows environment see Section B 3 Checking Connection from Application Server Windows e For a Linux environment Section D 3 Checking Connection from Application Server Linux 10400386 001 07 2012 2012 Overland Storage Inc lt 4 5 10 overland storage Chapter 6 Configuration Changes This chapter describes how to change the settings of a disk array controller after use of the disk array controller is started Modifying the Settings by Using DIP Switches The SnapSAN 3000 5000 does not require modification of the settings by using DIP switches Do not change the configuration of the DIP switches located on the surface of the controller Figure 6 1 DIP Switch 10400386 001 07 2012 2012 Overland Storage Inc 46 1 SnapSAN 3000 5000 Disk Array User Guide Modifying the Configuration by SnapSAN Manager FC SAS Modifying the Configuration by SnapSAN Manager FC SAS This section provides information on modifying the configuration of an FC or SAS connected disk array by SnapSAN Manager Binding Additional Logical Disks FC SAS This section describes how to bind additional logical disks on an FC or SAS connected disk array To bind additional logical disks on an FC or SAS connected disk array click Configuration Logical Disk and Logical Disk Bind on the left pane of the window See Section
79. ased on the following naming conversion yyyymmdd lt Disk Array Name gt nnn psl Filename Description yyyymmdd The year month and day when accumulation to the statistic information history file started If date changes while statistic information is being accumulated accumulation is done to a new statistic information history file yyyy represents the year four digits mm represents the month a two digit number and dd represents the day a two digit number 10400386 001 07 2012 2012 Overland Storage Inc 47 8 SnapSAN 3000 5000 Disk Array User Guide Function Overview Filename Description Disk Array Name This is the name of the disk array Statistic information history files are created for each disk array nnn This is a file serial number between 2 and 999 If a file with the same name exists when accumulation of statistic information starts up a serial number is assigned For example if the iSM server is shut down and started up in operation of one day the serial number is assigned to accumulated statistic information from the second startup of the iSM server and the value increments by one The serial number has the upper limit If the number exceeds this limit accumulation of statistic information fails If an operation that results in the serial number exceeding the maximum is performed move the statistic information history files to the different directory at each shutdown of the iSM server or summa
80. ateway addresses by asking the network administrator CAUTION If two or more IP addresses are used by Path Manager the same network segment cannot be specified Prepare IP addresses of other segments Example 1 Connectable configuration HPO 192 168 0 10 HP1 192 168 1 10 Example 2 Unconnectable configuration HPO 192 168 0 10 HP1 192 168 0 114 2 Install the NIC 1000BASE T or 1OGBASE SR driver Install and set up the driver according to the setup procedure in the manual provided with the NIC installed in the server or by referencing information provided on the Web etc NOTE If the NIC has already been attached to the application server this step is not necessary 3 Install NIC LOOOBASE T or 1OGBASE SR Install the NIC to the application server as described in the manuals provided with the NIC and application server NOTE If NIC has already been installed to the application server this step is not necessary 4 Install the NIC LOOOBASE T or LOGBASE SR driver 5 Install and set up the driver according to the setup procedure in the manual provided with the NIC installed in the server or by referencing information provided on the Web etc NOTE If the driver has already been installed and set up for the NIC installed in the application server this step is not necessary 6 Specify the network settings Select Start gt Control Panel gt Network Connection and then open Local Area Connection Properties to specify
81. ath option 3 Change the following settings When finished click the OK button Connection settings e Select the Microsoft iSCSI Initiator option from the Local Adapter drop down menu e Select the IP address of the local server from the Source IP drop down menu e Select the IP address of the disk array host port SCSI port from the Target Portal drop down menu CHAP Authentication Settings e Select the CHAP logon information option e Enter password to be assigned to target in the Target Secret box e Select Execute mutual CHAP option when using mutual CHAP authentication CAUTION The CHAP Secret can be specified as any string of 12 to 16 alphanumeric characters as well as amp _ Letters are case sensitive For security password text strings are indicated as dots or other symbols Mutual CHAP authentication is also described in SnapSAN Manager Command Reference as Bidirectional CHAP authentication For description of CHAP authentication refer to Appendix O CHAP Authentication The Target Secret that is set here is a password that a target uses to authenticate an Initiator This password is also required for settings on the disk array side see Section 13 2 21 iSMcfg setidsetchap in the SnapSAN Manager Command Reference so be sure to write it down so it is not forgotten 4 Click the OK button Perform the following steps Select iqn of target 6 Delete the selected iqn 7 Check that the iqn st
82. ation by using iSCSI Setup Tool And then click Bind pool to bind pools iSCSI Setup Tool Use iSCSI Setup tool on application servers to configure the settings required on the application servers For details of the procedure see either of the following sections according to the platform of the application servers e For Windows application servers see iSCSI Setup Tool e For Linux application servers see iSCSI Setup Tool Binding a Pool Perform basic settings for binding a pool Parameter Description Show pool list Click Show pool list to see the list of existing pools Click Close pool list to hide the pool list Physical disk type Select the type of physical disks to configure a pool RAID type Select the RAID type of the pool 10400386 001 07 2012 2012 Overland Storage Inc 44 4 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Parameter Description Auto disk selection Select the number of physical disks to be used from the Number of physical disks and the capacity per physical disk from Physical disk capacity The selectable numbers of physical disks are RAID6 4 PQ 6 disks or more RAID6 8 PQ 10 disks or more RAID5 2 P 3 disks or more RAID5 4 P 5 disks or more RAID5 8 P 9 disks or more RAID TM 3 disks or more RAID1 2 disks or more Manual disk selection Select this option and click Select physical disks to manually select physical
83. ation screen appears Parameter Description Show collected information Click this button to retrieve the host information collected by the disk array controller 7 Confirm whether the information on all the hosts is retrieved and then click Yes On Windows it may take a few minutes to retrieve information Wait for a few minutes before clicking Show collected information On Linux This chapter describes how to initialize a disk array configured for Fibre Channel FC connections This chapter describes how to initialize a disk array configured for Fibre Channel FC connections CAUTION run the command to register the host information on hosts before clicking Show collected information Depending on connected switches or HBA settings of hosts link up may fail or take time which result in failure of host information retrieval For more details see Section 10 1 Troubleshooting According to Device Conditions The result of the logical disk binding appears Parameter Description Assign logical disks to the host Click this hyperlink to assign the bound logical disks to hosts whose information has been retrieved Assignment of Logical Disks Assign logical disks to hosts 10400386 001 07 2012 2012 Overland Storage Inc 43 11 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Parameter Description Host List Displays hosts registered with the disk array C
84. atus of the target disk array controller is shown as Connected transition from inactive e When adding registration of host port iSCSI port for the disk array redundant configuration Click the Log On button 10400386 001 07 2012 2012 Overland Storage Inc lt 4c 9 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server e When not adding registration of host port iSCSI port for the disk array non redundant configuration 8 Click the OK button This completes the operations When adding host port registration 1 Change the following setting When finished click the Advanced button e Select the Automatically restore this connection when the system boots option e Select the Enable multi path option NOTE Under the settings for the newly registered disk array host port select the Enable multi path option When registering additional host port 1 Change the following settings When finished click the OK button Connection settings e Select the Microsoft iSCSI Initiator option from the Local Adapter drop down menu e Select the IP address of the local server from the Source IP drop down menu e Select the IP address of the disk array host port SCSI port from the Target Portal drop down menu CHAP authentication settings e Select the CHAP logon information option e Enter password to be assigned to target in the Target Secret box e Select Execute mutual CHAP option when using m
85. ay User Guide SnapSAN 3000 5000 Label Description 5 Status display LED For details about the status display LED see LED Display 6 Disk port IN A disk port IN is used to connect the disk array controller or disk enclosure located before the given enclosure Each adapter has two disk ports for IN Typically only the right IN port is used Each port has a fault LED right and a link LED left 7 Disk port OUT The disk port OUT is used to connect the disk enclosure behind the given enclosure Each adapter has one disk port OUT Each port has a fault LED right and a link LED left 8 Ejector The ejector is used to attach and remove the adapter LED Display Disk Array Controller Disk Enclosure and Disk Drives The front view of a disk array controller a disk enclosure and disk drives without the front bezel 6 FavltLED 5 Active LED 3 5 inch disk array unit Figure 1 11 LED Display Disk Array Controller Disk Enclosure and Disk Drives 1 ID LED Status Not lit Not selected Lit Selected 10400386 001 07 2012 2012 Overland Storage Inc 41 9 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 2 Service LED 3 Power LED Meaning Not lit Lit Running successfully Lit Lit Maintenance being required or being performed such as in the course of recovery Lit 0 2 seconds Lit In the course of power on Not lit 0 2 seconds L
86. b in iSCSI Initiator Properties click the Add Portal button under Target PortalEnter the IP address of the disk array host port iSCSI port under IP address or DNS name Make sure the entry is correct and then click the OK button NOTE Do not change the Port setting 3260 a The following pop up window may appear but it does not affect operations b Click the OK button c To make the host port iSCSI port on the disk array of a redundant configuration perform steps a to c above for each additional host port 4 When settings are completed a screen such as the following is displayed Click the OK button Example When two Target Portal IP addresses have been registered Settings when using iSNS Internet Storage Name Service server CAUTION Microsoft iSNS Server must be installed in a Windows server on the same network as the application server For detailed description of iSNS server refer to manuals and other documents provided separately from Microsoft Corporation Perform the following settings d Under the Discovery tab in iSCSI Initiator Properties click the Add button Enter the IP address of the iSNS server under IP address or DNS name of server 10400386 001 07 2012 2012 Overland Storage Inc lt 4C 6 SnapSAN 3000 5000 Disk Array User Guide iISCSI Setup Tool e Make sure the entry is correct and then click the OK button f Repeat steps a and b above for each iSNS server IP address to be register
87. box to display all logical disks that can be assigned Select drop down list Select the logical disk list display type from the drop down list LD List Displays host information registered with the disk array Click a logical disk you want to assign Select logical disks to assign to host 10400386 001 07 2012 2012 Overland Storage Inc 44 8 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server CAUTION The display items can be sorted however the order cannot be changed Multiple logical disks can be selected at a time 4 Perform the following steps a Select hosts from the Host List to which logical disks will be assigned b Select logical disks from the LD List to which hosts will be assigned c Click Next Parameter Description Host List Displays the host to which logical disks will be assigned LDs Assignable to Host Displays logical disks to be assigned to the host Change LUN Click this button to open the LUN Settings page which allows configuring LUN Logical Unit Number settings 5 Check the setting and click Set to perform the logical disk assignation When the assignation is completed the completion page appears Parameter Description Assign other logical disks to Click this hyperlink to assign another logical the host disk to the host 6 The initialization is now complete Click Finish Checking Connection from Application Server Check connectio
88. button to restart the server 8 After the server is restarted the Microsoft iSCSI Initiator icon appears on the desktop Installing Path Manager See Section For Windows Application Server for installation procedure This operation is not necessary if you do not install Path Manager CAUTION When using Path Manager MPIO function of the iSCSI Software Initiator cannot be used If the iSCSI Software Initiator has already been installed and MPIO function is set to enabled you must uninstall the iSCSI Software Initiator Then reinstall the iSCSI Software Initiator with the setting not using MPIO function Setting up iSCSI Software Initiator Settings for the Windows Server 2008 environment are described below 1 Select the General tab in the iSCSI Initiator Properties screen to check the iqn iSCSI Qualified Name shown as the Initiator name e Click the Change button to change the iqn e Click the Secret button when using the mutual CHAP authentication e Click the Setup button when using the IPSec tunnel mode function This is not supported CAUTION The Secret setting for mutual CHAP authentication must also be set for the disk array controller The setting method is described in Section 13 2 21 iSMcfgsetidsetchap of SnapSAN ManagerCommand Reference Mutual CHAP authentication is also described in SnapSAN Manager Command Reference as Bidirectional CHAP authentication CHAP authentication is also described in Appendix O CHA
89. c 45 8 SnapSAN 3000 5000 Disk Array User Guide Overview 9 Select Create host information manually and click Next Parameter Description Host Name Specify a host name Platform Specify the platform Path List view This list view lets you check the specified port information Add Port button Set the port s for the host you are adding Change button By selecting the added port from the path list view and then clicking the Change button the port change screen appears You can change the selected port information on this screen Delete button By selecting the added port from the path list view and then clicking the Delete button you can delete the selected port from the host 10 Specify a host name platform and path and then click the Set button to register a new host The result of the logical disk binding appears Parameter Description Assign logical disks to the host Click this hyperlink to assign the bound logical disks to hosts whose information has been retrieved Assignment of Logical Disks Parameter Description Host List Displays hosts registered with the disk array Click a host to which you want to assign logical disks Register information of a host Click this hyperlink if you cannot find the target host listed in the Host list and want to jump to the Host Information Collection page Show all assignable logical disks Select this check box to display all logical dis
90. cal disk Click this hyperlink to open the Logical Disk Bind page Binding Logical Disk This section explains how to bind a logical disk Parameter Description Pool list Displays details of already bound pools Select a pool in which logical disks will be bound Show all pools By clearing this check box you can view only the pool that is bound this time Show logical disks of the selected Click this button to confirm a list of logical disks that pool are bound in the currently selected pool Number of logical disks Specify the number of logical disks to be bound in the spinner Logical disk capacity Specify the capacity of logical disks to be bound in the spinner Logical disk capacity Indicates the capacity of a single logical disk Capacity logical disks consume Indicates total size of the space occupied by logical disks Unused capacity of the pool Indicates free space available in a pool Logical disk name Enter a logical disk name If two or more logical disks are bound enter the prefix for them 1 Select a pool in which logical disks will be bound enter the number and capacity of logical disks and click Next The settings of the logical disk to be bound are listed Confirm the logical disk binding settings 10400386 001 07 2012 2012 Overland Storage Inc 44 7 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Parameter Descri
91. cds cas ienien i E E A F 6 Checking Connection from Application Server eesesessssesesessssssesesesessssesesenessssesesenessssesesenessveseseress F 8 EXECUTING RESCOM asap a a E a O E OR EEE ARR F 8 Seiling up a DOTA STOPS cicceiccssiicsascasadacsasscscialeanacdbuessavasccnasseaadsdaatuenciseacsssdatedsauassadesseadssadesnanauenavediductadd F 9 Conirmaton UING GUEST OS sssiioiirinmenosaiaaiairaaieianiaiaian anniek inia iaa a aa iai AREN F 9 Appendix G Path Manager Installation FOr Windows Application Server pe siersraarrari pasaria neadan Leas sadaddbdvectsl chadaceash UiadanessddeerenesMibenes G 1 IASTOMGTIOM ccs ctecsescetatstearsestrencardeatieniisaetiaiseiec deduce lanturniuesalsasin A G 1 FORLINGKAPPIICCTONSEIV EM aaaea a A a aN NANEN I RA NaN G 6 Appendix H MSCS with Windows Server 2003 TONG SUID earne eaer a E EEE E RE E EA TEN E a E EET E E RE H 1 LOGICAL Unit NUMB SR eenrerensen ie an E T A A H 4 Index 10400386 001 07 2012 2012 Overland Storage Inc 41 4 overland storage Overview Chapter 1 SnapSAN 3000 5000 This manual describes how to use the Overland Storage SnapSAN 3000 5000 system The appliance together with the SnapSAN 3000 5000 software provides a flexible intelligent iSCSI based storage area network SAN solution for virtualized server environments and the growing demand for data storage With a SnapSAN 3000 5000 appliance you can store share protect and manage data through a single easy to use Window
92. cessscecssceesssecsssccessecersscersscersscesseceesssees 3 13 Chapter 4 Initializing an iSCSI Disk Array OVEIVIOW aE Ses cv uote ct ese di ewt a caepavstcen awit E eA eae ees eda ts 4 1 Initialization by SNAPSAN Manager Initialization Wizard s sesessesesesessssssesesesessssssesesesenessssesesenesssseseseseses 4 2 OVEIVIEW erapr eE a a aA A thal a Ea EETA EA Na aT A 4 2 STOUT nitialization WZA asniensis a E E 4 2 ISCSI SEIU LOO serena aa aE E aA S N dase aiiessMateeds 4 4 Bindig aP oo assomir AE AAE AONNE 4 4 BINGING Ke ale lelie A E E A E A E E EE A 4 6 BINGING LOGICAL DEK israe a E E T E ET 4 7 Checking Connection from Application Server ccccssecessscessscscssceesssscsssecessscecsececsesecseseceesecersececsees 4 9 Chapter 5 Initializing a SAS Disk Array QVEIVIOW cadexizscviasesiiacwinscvisacevsdtiniuceusdaacnuchenddacnacuteasactundeaasicaunaditeaesinidicnaceeeis acpi E REA 5 1 Collecting Host Information From Application Servers e esesessssssesesessssesesesessssesesenessssesesessssvesesess 5 2 Collecting Host Information From Application Server sesesesessssesesesessssssesesesenessssesesenessssssesesesessessse 5 3 Initialization by Path Manager for Windows Manager Initialization Wizard s s sesessssesseseseeseseses 5 3 OVENS Wessen a N a a A aN aS ua lanier ah aana ENa CaTa E 5 3 10400386 001 07 2012 2012 Overland Storage Inc 41 2 SnapSAN 3000 5000 Disk Array User Guide STO INMGIZENON WIZOIE iaaiaee a eia aa
93. ch server Cluster setup does not work when different values are set For details refer to the following URL KB331801 Cluster setup may not work when you add nodes http support microsoft com kb 331801 Target ID The following describes a connection method related to setup of matching values as the Target IDs of disk array controller controllers recognized by the server When directly connecting server HBA and disk array controller Set matching values to the Loop Switch ID of the disk array controller controller The Switch ID that is set becomes the Target ID recognized by the server Similarly when there are multiple connection paths between servers and disk array controllers set the same values to the Loop Switch IDs of all controller ports to be connected Basic port Cortrolier 0 Controller 1 Controller 0 Controller1 Storage disk array Storage disk array Single path configuration Dual path configuration Figure H 1 Direct Connection 10400386 001 07 2012 2012 Overland Storage Inc lt 4 H 1 SnapSAN 3000 5000 Disk Array User Guide Target ID e When connecting to FC switches such as N8190 119 in Loop Topology Set identical Loop Switch ID values to controllers of the same disk array controller The Switch ID that was set becomes the Target ID recognized by the server When multiple disk array controllers are connected to FC switches different Loop Switch ID values must be set to each disk array co
94. code for maintenance in the actual message Transferring the host information file Transfer the host information file reported by using the host information collection command iSMcc_hostinfo to a client by using file transfer USB memory or other methods To register host information files transferred to clients see Section Registering Host Information by Using File Output Registering Host Information by Using File Output To register host information by using file output follow the procedure below 1 10400386 001 07 2012 Report a host information file See Section Collecting Host Information by Using File Output to report a host information file Transfer the host information file to a client Use file transfer USB memory or other methods to transfer the host information file to a client Register the host information by using SnapSAN Manager On the left pane on the SnapSAN Manager window click Configuration Host and Host Information Collection to open the Host Information Registration window 2012 Overland Storage Inc lt 4 B 6 SnapSAN 3000 5000 Disk Array User Guide Collecting Registering Host Information on Application Server 4 Select host information setting method Select the Update with host information file Windows Linux or Hyper V option and click Next 6 Specify the host information file a Click Show collected information to specify the file in which host information
95. configure the network address BMC address and floating address for each of disk array controllers When the settings are configured for a controller not connected by a LAN cable monitoring is disabled 7 Check that the disk array is connected to the SnapSAN Manager Embedded over the LAN and then specify an IP address a subnet mask a gateway address a BMC address a BMC subnet mask and a BMC gateway address for each of the controllers IP addresses from 10 1 0 0 through 10 1 0 255 subnet mask 255 255 255 0 and from 10 2 0 0 through 10 2 0 255 subnet mask 255 255 255 0 and 0 0 0 0 are reserved These IP addresses and subnet mask can not be specified Specify IP addresses for the controller other than these IP addresses and that allow communication with the SnapSAN Manager Embedded If no gateway address is specified enter 0 0 0 0 8 Enter the floating address Floating address is an IP address that can be set to a disk array in addition to the network addresses configured for each controller Setting a floating address allows you to access a disk array while controllers remain transparent It is recommended to configure a floating address for ease of management When a floating address is specified the following conditions must be satisfied for network addresses of controllers and the floating address e IP addresses of Controller 0 and Controller 1 belong to the same segment and an unused IP address of the same segment as the co
96. connected by FC cables is Linux RHEL5 or later or SLES10 or later and a disk array is newly installed host information can be collected through the disk array For details about the setting see Section 5 3 5 Collecting Host Information To collect host information without connecting FC cables in one of the configurations above see Section B 2 1 Collecting Host Information by Using File Output for a Windows environment or Section D 2 1 Collecting Host Information by Using File Output for a Linux environment Collecting Host Information by using the Host Information Collection Command When a disk array is installed in a system that has already begun operating or any of the application servers to be connected by FC cables is on an OS other than Windows or Linux RHEL5 or later or SLES10 or later use the host information collection command to report files Registering the reported files allows assigning the application server to created logical disks For details about how to register reported files see Section B 2 2 Registering Host Information by Using File Output for a Windows environment or Section D 2 2 Registering Host Information by Using File Output for a Linux environment To make settings for collecting host information automatically or through a disk array see Section 5 3 5 Collecting Host Information e For details about how to collect host information see one of the following depen
97. d password entries Enter sysadmin for the user name and the password of the sysadmin user ftp lt IP addresses of management ports for SnapSAN Manager gt After you subsequently run the following commands run the quit command to end the FTP cd ssh get authorized_keys 3 Run the following command cat ssh id_rsa pub gt gt authorized_keys 4 When you run the following command it prompts for a user name and password entries Enter sysadminj for the user name and the password of the sysadmin user ftp lt IP addresses of management ports for SnapSAN Manager gt gt 5 After you subsequently run the following commands run the quit command to end the FTP cd sshput authorized_keys 6 Run the following command ssh sysadmin lt IP addresses of management ports for SnapSAN Manager gt gt 7 When the following message appears enter yes Are you sure you want to continue connecting yes no 8 Check it does not prompt for a password entry and then run the exit command to end SSH e Because the port number 2730 is used you need to set the exception for the firewall e iSCSI Initiator needs to be installed and the service must be started in advance If you use the CHAP authentication with two or more disk arrays please follow the procedures shown as below Procedures 10400386 001 07 2012 1 Configure the iSCSI setting using iSCSI Setup Tool 2 Execute the following command in the order as below If
98. d versions may include a version for which security vulnerability issue is reported For details about security vulnerability see the following web pages e US CERT http www us cert gov e My Oracle Support https support oracle com CSP ui flash html Before Starting SnapSAN Manager Embedded When you use SnapSAN Manager Embedded Web GUT in a Windows environment configure the Web browser Internet Explorer as described below Once the configuration is complete you do no need to configure the Web browser in subsequent startups of SnapSAN Manager Embedded Follow the steps below to configure the disk array to be connected as Trusted Sites 3 From Control Panel select Internet Options and click the Security tab 4 Select the Trusted sites icon and click Sites 5 Enter the URL of the disk array to be connected for example http lt the IP address host name of the disk array to be connected gt in the Add this website to the zone box and click Add The Require server verification https for all sites in this zone check box should be cleared 6 Click OK to close the window NOTE When you are using Internet Explorer Version 7 or later do not enable Protected Mode of the Trusted sites When your environment is Windows configure Java as well before you start using SnapSAN Manager Embedded Web GUI Once the configuration is complete you do not need to configure Java again in subsequent startups of SnapSAN Man
99. ding on the platform of the application server e For a Windows application server see Section B 2 Collecting Registering Host Information on Application Server Windows e For a Linux application server see Section D 2 Collecting Registering Host Information on Application Server Linux 10400386 001 07 2012 2012 Overland Storage Inc 43 2 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Initialization by SnapSAN Manager Initialization Wizard Overview Use the initialization wizard to make the basic settings of a disk array Operations to be performed on the initialization wizard are e Set the disk array subsystem name e Change and or confirm a disk array name e Set time e Set time by configuring the NTP server or manually e Host connection port parameters FC e Set the host connection port e Port mode switching e Change the port mode Starting the Initialization Wizard 1 Click Configuration and Initialization on the left pane to open the menu 2 Then click Start to start the initialization wizard Before the initialization starts the following confirmation message appears 3 Click Yes to start the initialization wizard Welcome to Initialization Wizard When the initialization wizard starts perform the settings as prompted 1 Select the setting type for initialization The sections below explain how to make normal setting IMPORTANT
100. disk to the host Register information of a host Click this hyperlink to open the Host Information Collection page 5 Click Finish Multiple logical disks can be selected at the same time 10400386 001 07 2012 2012 Overland Storage Inc 43 12 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Servers Checking Connection from Application Servers Check connection from the application servers by following the procedure described in one of the following e For a Windows environment see Section B 3 Checking Connection from Application Server Windows e For a Linux environment Section D 3 Checking Connection from Application Server Linux 10400386 001 07 2012 2012 Overland Storage Inc 43 13 overland storage Chapter 4 Initializing an iSCSI Disk Array This chapter describes how to initialize a disk array configured for iSCSI connection Overview To set FC connection first in a disk array configured for both FC and iSCSI connections see Initializing a Disk Array FC to make the setting and then perform the procedure in this chapter To set iSCSI connection first perform the procedure in this chapter and then see Initializing a Disk Array FC to make the setting and then perform the procedure in this chapter IMPORTANT To initialize a disk array configured for FC connection see Initializing a Disk Array FC The initialization consists of
101. ds 10400386 001 07 2012 2012 Overland Storage Inc 41 22 overland storage ohia Install SnapSAN Manager Suite This chapter describes how to install the Network Setting Tool install the SnapSAN Manager Agent Utility on the application servers how SnapSAN Manager is provided and how to start SnapSAN Manager Embedded How SnapSAN Manager is Configured SnapSAN Manager a disk array management software program is provided in two types e SnapSAN Manager Embedded e SnapSAN Manager Embedded allows for configuring and managing only a single target disk array e You can quickly start using SnapSAN Manager Embedded through a Web browser on a SnapSAN Manager Embedded machine with no management server needed e SnapSAN Manager e SnapSAN Manager allows for centralized configuration and management of multiple disk arrays by a single management server e SnapSAN Manager also allows for integrated management of the entire system by working together with middleware products such as WebSAM ESMPRO or SSC This document describes initialization and settings of a disk array using SnapSAN Manager Embedded For information on initialization and settings of disk arrays using SnapSAN Manager refer to the SnapSAN Manager User s Manual 10400386 001 07 2012 2012 Overland Storage Inc 42 1 SnapSAN 3000 5000 User Guide SnapSAN Manager Embedded Operating Environment The descriptions in the rest of this chapter are based on the r
102. e of this function allows displaying values of accumulated statistic information Furthermore a spreadsheet program can display the data of CSV format file in graphs allowing review of long term load fluctuation and performance analysis By specifying addition of header upon extracting a CSV file the header record for the values is added to top of the file Editing the statistic information with a header record using a spreadsheet program allows easy identification of the statistic data values CSV Conversion Tool creates CSV files according to the following naming convention For information on the structure of a CSV file refer to Appendix C CSV File Structure Naming Convention for CSV Files 10400386 001 07 2012 2012 Overland Storage Inc 47 12 SnapSAN 3000 5000 Disk Array User Guide Function Overview Name of Statistic Information History summarization File _ Extension of Statistic Information History summarization File csv Example Name of the CSV file for the statistic information file 20070417StorageD8 psl 20070417StorageD8 psl csv In statistic information history summarized files various types of statistic information regarding components of the disk array are accumulated You can extract the specified statistic information from the statistic information by giving extraction conditions to CSV Conversion Tool depending on your purpose The following extraction conditions can be specified for CSV Conve
103. ecommended configuration example shown in Figure 2 1 Client Fibre Channel Elhernel a sApplication server server Figure 2 1 Example of Recommended Configuration SnapSAN Manager Embedded Operating Environment A Web browser and Java Runtime Environment JRE must be installed in the system before you start using SnapSAN Manager Embedded Table 2 1 Configuration Options 10400386 001 07 2012 2012 Overland Storage Inc lt 4 2 2 SnapSAN 3000 5000 User Guide SnapSAN Manager Embedded Operating Environment Configuration Description Operating System Microsoft Windows XP Professional Edition from without any Service Pack to Service Pack 3 Microsoft Windows XP Professional x64 Edition without any Service Pack and Service Pack 2 Microsoft Windows Vista Business from without any Service Pack to Service Pack 2 Microsoft Windows 7 Ultimate without any Service Pack and Service Pack 1 Microsoft Windows 7 Ultimate x64 without any Service Pack and Service Pack 1 Microsoft Windows 7 Enterprise without any Service Pack and Service Pack 1 Microsoft Windows 7 Enterprise x64 without any Service Pack and Service Pack 1 Microsoft Windows 7 Professional without any Service Pack and Service Pack 1 10400386 001 07 2012 2012 Overland Storage Inc 42 3 SnapSAN 3000 5000 User Guide SnapSAN Manager Embedded Operating Environment Configuration Description Microsoft Windows 7 Professional
104. ed When settings are completed a screen such as the following is displayed Click the OK button Example When two iSNS server IP addresses are registered g This gets Initiator information from the application server registered to the iSNS server Refer to Appendix N Retrieve Initiator Information on Application Servers Registered with ISNS Server NOTE When using the iSNS server the Initiator name of the application server must be directly entered under the Initiator settings in the iSCSI Setup Tool h Click the OK button iSCSI Setup Tool Run the iSCSI Setup Tool on application servers to configure the iSCSI settings required for the application server Before starting this section you need to install SnapSAN Manager Agent Utility For details on how to install see Installing Manager Agent Utility 1 Starting iSCSI Setup Tool Click Start gt SnapSAN Manager Agent Utility gt iSCSI Setup Tool to start iSCSI Setup Tool 2 Select the serial number of the target disk array controller from the Serial number box 3 After selecting or entering the serial number click OK When collecting the disk array controller information is successfully completed the serial number controllers IP addresses of the disk array controller and their connection statuses are displayed 4 Select a target IP addresses from the list and configure required settings You can select multiple target IP addresses When you want to select mu
105. endtargets o 192 168 1 1s3260 e Method when using iSNS server 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 7 SnapSAN 3000 5000 Disk Array User Guide Preparation 5 Use vi or another editor to open the etc iscsi iscsid conf file on the server 6 Set the IP address and port number of the corresponding iSNS server 7 Restart iSCSI service etc init d iscsi stop 7 OCS Umit C CS Scare 8 Get Initiator information from an application server registered to iSNS server See Appendix N Retrieve Initiator Information on Application Servers Registered with iSNS Server NOTE When using iSNS server the Initiator name of the application server must be directly entered under the Initiator settings in the iSCSI Setup Tool iSCSI Setup Tool Run the iSCSI Setup Tool on an application server to configure the iSCSI settings required for the application server Before starting the following section you need to install the SnapSAN Manager Agent Utility SeeSnapSAN Manager Agent Utility Section for details on how to install the SnapSAN Manager Agent Utility 1 Run the following script on the application server iSMiSCSTISetup sh 2 When a list of serial numbers is shown as follows enter a list number corresponding to the serial number of the disk array controller you want to configure 0000000991000001 0000000991000002 0000000991000003 4 0000000991000004 Please select serial number
106. ents Windows Server 2008 Windows Server 2008 have the iSCSI Software Initiator already installed so there are no installation steps Select Start gt Administrative Tools and then start iSCSI Initiator The following dialog boxes are displayed only during initial startup After the service is started if there are no problems with the firewall settings click the Yes button in each screen Windows Server 2003 Windows Server 2003 R2 Perform the following steps to install the initiator in Windows Server 2003 or Windows Server 2003 R2 environment 1 Download the Microsoft iSCSI Software Initiator from the Microsoft website http www microsoft com downloads 2 The following screen is displayed when installation of the Microsoft iSCSI Software Initiator begins Click the Next button 4 After changing the settings as follows click the Next button e Select the Initiator Service option e Select the Software Initiator option e Deselect the Microsoft MPIO Multipathing Support for iSCSI option NOTE When Path Manager is being used the MPIO function cannot be used 10400386 001 07 2012 2012 Overland Storage Inc lt 4c 4 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server 5 Ifyou agree to the terms of the license agreement select I Agree and then click the Next button 6 The following dialog box appears next No more user input is needed until installation is completed Click the Finish
107. er Guide SnapSAN 3000 5000 UPS w HINN cmd ESMPROACE UPS with SMM cord UPS fwth SMB coed Figure 1 17 AC Power Off Sequence FC Port Connection 10400386 001 07 2012 2012 Overland Storage Inc 41 19 SnapSAN 3000 5000 Disk Array User Guide Powering Off the Disk Array System Powering Off the Disk Array System Follow the steps below to power off the disk array system Step Operation 1 Stop or power off application servers hosts Make sure to check application servers hosts are stopped or powered off 2 Press the DC button of a controller CONT located at the rear of the disk array controller Then confirm that the Ready LED starts to flash rapidly Press the DC button of either of the controllers CONT You do not need to press buttons of both controllers If your press the DC buttons for 4 seconds or more power is forcefully turned off which may give negative impact on the disk array system 3 Wait for the Power LED green located at the front of the disk array controller to go off e With this process the disk array controller writes data that is on caches and has not been written to disks to disks e When writing the data is complete the disk array system is automatically powered off If the Power LED green located at the front of the disk array controller does not go off after 10 minutes the disk array system may be failing e See Troubleshooting 4 If necessary turn
108. er file are described as follows Details m lt Serial number gt I lt Password of CHAP initiator gt t lt Password of CHAP target gt p lt IP address of host connection port gt Descriptions e Incase CHAP authentication is not used you do not need to supply a password of the CHAP initiator and a password of the CHAP target When you use CHAP authentication use the initiator name for the user name of CHAP initiator e Incase mutual CHAP authentication is not used you do not need to supply a password of CHAP target When you use mutual CHAP authentication use the target name for the user name of CHAP target e Lines where any other letters than ones mentioned above is specified followed by a hyphen are ignored and the operation continues For example When CHAP authentication is not used m 0000000991000004 p 172 168 1 101 For example When Mutual CHAP authentication is used m 0000000991000004 i jR0210085sserpxE t i3DegrarotsiCEN p 172 168 1 101 A CAUTION See below It is necessary to configure a public key with SnapSAN Manager for SSH connection How to register 1 When you run the following command it prompts for your parameter entry Do not enter anything but press the Enter key ssh keygen t rsa 10400386 001 07 2012 2012 Overland Storage Inc lt E 10 SnapSAN 3000 5000 Disk Array User Guide Preparation 2 After you run the following command it prompts for a user name an
109. er is maintained e Data on caches is automatically saved in the internal flash memory by using the battery power when a power outage occurs e The disk array supports RAID 1 5 6 10 50 60 and TM by default Even if a disk drive fails operation can be continued without causing data loss e Multiple hot spare disks can be configured Operation Management SnapSAN Manager allows for basic configuration settings status display and status monitoring easily The SnapSAN Manger Suite program not included allows for centralized management of multiple disk array controllers and use of function extension programs Components Disk Array Controller This section describes names and functions of disk array components Front View Figure 1 2 2 5 Inch Disk Drive Model 10400386 001 07 2012 2012 Overland Storage Inc 41 2 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Figure 1 3 3 5 Inch Disk Drive Model Figure 1 4 Front Bezel Optional For information on removing the front bezel see Front Bezel Figure 1 5 Disk Drive Front View Label Description ID LED blue This LED is used to identify the unit Service LED orange These LEDs indicate the status of the disk array controller Power LED green Standby LED white This LED indicates the DC off and on operation is available Disk drive Dummy Up to 24 disk drives dummy carriers can be installed on the 2 5 inch disk ca
110. etup e Ifyou accept the agreement select I accept terms of the license agreement and then click Next e Ifyou do not accept the agreement you cannot use the software 7 To install the software in the shown destination click Next If you want to install the software in a folder other than the shown destination click Browse to select the folder you want to use 8 Install the software as you are prompted by the instructions If you install JRE in this step perform the JRE preparation NOTE The installer will search for JRE If not found you have an option to install JRE 6u18 if found you have an option to install this version or use the version currently installed on the server 9 Click Next to start Network Setting Tool 10 Proceed to configuration of IP addresses of the disk array NOTE See Section Configuring IP Addresses by Using Network Setting Tool Configure the IP addresses of the disk array during the installation The IP addresses consist of the IP addresses of controllers BMC addresses of controllers and a floating address If SnapSAN Manager Embedded is used an IP address should be set to each of controllers NOTE NOTE When the installation is started from by selecting Setup for SnapSAN 3000 5000 in SnapSAN Manager Setup JRE and NET Framework which are necessary for Network Setting Tool and SnapSAN Manager Embedded Web GUI must be installed Linux Follow the steps below to install Network Setting
111. folder of the iSM server The archive folder is automatically created by the iSM server e Statistic information primary summarized file e The statistic information history file of the previous day is summarized daily at a time set in the environment definition of the iSM server e Statistic information secondary summarized file e The statistic information primary summarized file of the previous month is summarized at the start of every month at a time set in the environment definition of the iSM server Auto archive is executed under the following cases e When auto archive execution is enabled in the environment definition of the iSM server For the environment setting of the iSM server refer to the installation guide e When the license of the data allocation optimization function is applied To execute auto archive disk capacity for the statistic information primary secondary summarized files must be reserved in addition to the statistic information history file Therefore the disk capacity may be overloaded unless statistic information is deleted periodically To prevent the disk capacity from being overloaded it is effective to set the keep period of statistic information Files under the statistic information storage folder of the iSM server are targeted for auto archive Therefore take extra care when storing files in the folder under the statistic information storage folder Auto archive is not executed when the iSM
112. formation collection function included in SnapSAN Manager Agent Utility SP1 or SP2 must be applied on this OS 2 The product without Hyper V function is also supported 3 The Server Core install option is not supported 4 The iSCSI Setup Tool Sharing function can be used on the SnapSAN 5000 disk arrays This tool supports Windows Server 2008 or later The 32 bit version of Java Runtime Environment JRE must be installed to use this function 5 The SnapSAN 5000 does not support Microsoft Windows Server 2003 Enterprise Edition for Itanium based Systems and Microsoft Windows Server 2008 for Itanium based Systems Above are the supported environments for this version at the point of the initial shipment of this product Installation Use SnapSAN Manager Setup to install the SnapSAN Manager Agent Utility SnapSAN Manager Setup starts automatically when the SnapSAN 8000 5000 Documentation Software CD is set and then you can perform installation as prompted The procedure for starting the SnapSAN Manager Setup is 1 Logon as administrator 2 Set the CD ROM of SnapSAN Manager in an application server 3 The SnapSAN Manager Setup starts automatically Perform the installation as prompted The SnapSAN Manager Setup may not start automatically depending on your system configuration in which case start the following program contained in the CD ROM INSTALL WINDOWS ISMSETUP EXE 10400386 001 07 2012 20
113. he disk enclosure and the disk array controller When AC operating mode is enabled factory default settings the disk array system with AC power supplies is automatically powered on at the time the disk array controller is powered on while the disk array system with DC power supplies is automatically powered on at the time the power supply input cable is connected to the disk array controller or the disk array controller is powered on Disk enclosures are sequentially powered on in association with the disk array controller Proceed to step 3 If AC operating mode is disabled proceed to step 2 otherwise proceed to step 3 2 Step 2 should be performed only when AC operating mode is disabled Press the DC button of a controller CONT which is located at the rear of the disk array controller for approximately one second until fans start to rotate The disk array controller will be powered on The disk enclosures will be powered on sequentially as the disk array controller is powered on Proceed to step 3 Press the DC button of either of the controllers CONT You do not need to press switches of both controllers 3 Do not operate the disk array system until the Power LED green located at the front of the disk array controller is lit and the Service LED orange goes off after cyclic flashing e It takes approximately six for minimum configuration to eight maximum configuration minutes for initialization and the self tes
114. he LED lits in green orange green 3 Maintenance port SPEED LED When operating at 1 Gbps The LED lits in green orange orange 5 Ready 6 Fault 7 ID 8 BBU LED LED LED LED Green Orange Blue Orange Status Lit 1 Not lit Running successfully second Not lit 1 second Flashing Not lit Shutting down or backing up data in the fast memory Lit Not lit Starting up or rebooting Lit Lit 1 Waiting for the disk enclosure behind the given second enclosure to be powered on Not lit 1 second Lit Lit Failure has occurred Flashing Lit Failure has occurred log collectable fast Lit 1 Lit Retrying as disk enclosure shortage has been second detected Not lit 1 Disk Port blocked second Lit 1 Flashing Updating firmware online second fast Not lit 1 second Lit The device is selected Lit Detected BBU failure Flashing Warning for the end of the BBU life cycle Host port Status 9 Link LED L green Lit linkup Not lit link down 10 Active LED A green Lit or flashing I O access Link Active flashing together Flashing in a cycle of 2 seconds Off line Flashing in a cycle of 1 second Powering off Other than above Invalid port settings 10400386 001 07 2012 2012 Overland Storage Inc 41 13 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 13 HED FC 2 port controller FC 4 port controller 1G iSCSI 2 port controller 10G
115. he various environments operating systems or settings involved Information and specifications may change without notice 10400386 001 07 2012 2012 Overland Storage Inc lt PR iv overland storage Contents Preface Chapter 1 Overview SFIGIOSAN 3000 5000 aei cures zu cea k wahasautue dete eae ekaeaueak ees cv is ANA 1 1 FeEGTUTES inasin a oteuvanbucsveuss 0s n aa a aaa coe oise 1 1 High Performance and Large Capacity ou ccssccssecsssscecsssscsssecstsccstsecsssncssensscsnsacssescsnsecsssncasens 1 1 Ghar Fea Ue nunan E 1 2 ODENATION MONGQSMEN parao n nna T ARER 1 2 COMPONEN arees tied ea avec A E E A e E T 1 2 Disk Aray COntMolET meserii eranan ae e e E E E EE E E A A 1 2 ROOT VICW capiani anin ae AE EOE ONEONE OE AOR 1 4 POWER SUDDIV naton a a ara Eaa 1 5 Controller GOrnn Cnons sissdseesess devs cna eded acarasecradattacradaatslnaaid ardaed aliada qatddatnaradens 1 6 Disk Enclosure Optional COMPONENT sssaaa nan anana eaNL ALNA 1 7 PON VION garnia aaa N AEEA E A N OAE OEEO AENEA 1 7 REGI I W reena a a A a Hdd ect Mason dain A edesenaar ate Udeelealias 1 8 POWER SU ODI irere e EAE EAE E AAEE E TEE 1 8 AGOPIST uui a a A a e a a a a aa 1 8 CEDIDISDIOY srame nae E EE ER TE A E EE 1 9 Disk Array Controller Disk Enclosure and Disk Drives ccccsecsecssescsscsseseescesecsecsesecsecsecseeeceecaees 1 9 Disk Array Controller Power and Disk Enclosure POWER s sssssssssssesesssesssssessssssessenesesesessersessesene
116. hee cast ses assess cstutaiapeadesadtunadevnsdicascassiuestneestevants fesureotes ton terdetaeesesieles C 7 Checking Connection from Application Server ou ccssssssscsecsecscccsssscsscsssscsseesesseescceescsecscsseecsscecseceesees C 8 LOGON Stepsin Windows ENVIFOMIMENIS ssc ceseveseevecsevcseeveavedsestv cd tuvsceviastaacersiencaedecvivesnececvucdyeveahukedss C 8 Appendix D Linux FC SAS Application Server Installing SnapSAN Manager Agent Utility cc scccsescssescsessssssssscssescesescssescsesscseesssesssaescsscscsseecescseseeeees D 1 BETOFS ASTGIIATION sinia enna ea N Ee AE ae TS aE RS D 1 ISTOMGTON E E E E E E E EAE OE sedena a deeas D 1 Collecting Registering Host Information on Application Server s ssesesesessssesesenessssesesessssesesesessssesese D 2 Collecting Host Information by Using File OUtpUt e esesesessssesesesessssestsesensssesenesessssestsesensssesenenessssesese D 2 Registering Host Information by Using File QUTOUT s s ssssssssssessssessssesresesresesresesreneesenresennssentestesesennessnsresens D 3 Checking CONNECTION from Application Server sessessssssrsesesessssssssesesenessnsesesenesssssesenesenesesesesese D 4 Confirmation Steps in LINUX environment cccccseccsescssescessesscsecsecesescescseeseeecesseacseesecescaecseeaseeseecnses D 4 Check the Path Manager Settings and STATUS ese sessssssesesessssssesenesessssestsessnsesesenetnsssestsesensesnstsenenssnssns D 5 Appendix E Linux iSCSI Application Server P
117. in Linux Confirm the that OS recognizes the logical Environment disk Check Path Manager settings and status Check PathManager settings If Path Manager will not be used this step and status is not necessary Logon Steps in Linux Environments 1 Search for target iscsiadm m discovery t sendtargets p lt IP address of disk array gt Example iscsiadm m discovery t sendtargets p 192 168 10 6433260 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 13 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server 2 Log on to target iscsiadm m node T lt igqn of disk array gt p lt IP address of disk array gt l Example iscsiadm m node T gia 2001 03 Jo mes StoracqeOil sisie m000 sn0000000938209213 Wa O casgecOO0O H 192 168 10 6435 260 I Confirmation steps in Linux Environment Run the following command to check the number of logical disks No of logical disks assigned to application server x No of access paths from application server to individual logical disks and the respective vendor and model names DISK ARRAY cat proc scsi scsi CAUTION If nothing is shown none of the access paths recognized the logical disks of the disk array controller assigned to the application server Check the connection between the application server and the disk array controller the Access Control settings NIC driver settings and
118. ing Logical Disks Assigning the logical disks to the application servers e Assign the created logical disk to the application servers e For details about the procedure see Section Assigning Logical Disks Checking connection from the application servers e Check that the application server to which the logical disks have been assigned can access the disk array e For details about the procedure see Section Checking Connection from Application Servers 2012 Overland Storage Inc lt 4 5 1 SnapSAN 3000 5000 Disk Array User Guide Overview Collecting Host Information From Application Servers If the OS used on the application servers is Windows it is unnecessary to perform the procedure described in this section In this case create a host manually and then assign the port connected to the disk array to the host by referring to Section 7 3 5 Collecting Host Information The host information is collected from the application server When there is any Linux RHEL5 or later or SLES10 or later application server and the servers used in the system are all new servers that have not begun operating host information can be collected through the disk array To collect host information when the disk array is installed in a system that has already begun operating or there is any application server on a different operating system see Section D 2 1 Collecting Host Information by Using File Output for a Linux envir
119. inued values under threshold Specify the number of threshold monitoring intervals during which a value is kept under threshold For each monitoring item satisfying the conditions threshold excess state is reset If the number of I Os does not reach a minimum number of I Os specified as a threshold monitoring condition the load of the interval is recognized as under threshold e Time of day At a specified time each day the threshold excess state is reset for all monitoring items 10400386 001 07 2012 2012 Overland Storage Inc 47 6 SnapSAN 3000 5000 Disk Array User Guide Function Overview Detect Threshold Exceeding Threshold Monitoring Interval Threshold Monitoring Notify Threshold Intervals 3 Times Notify Threshold Excess Excess ISM Client Figure 7 4 Threshold Detection Supporting Statistic Information Analysis This function is capable of to accumulating summarizing extracting and editing statistic information about the performances of disk array in a file Using this function allows long term accumulation of statistic information which lets you grasp long term load variations and analysis of performance for efficient use of the disk array A file where statistic information is accumulated is called a statistic information history file The statistic information history file is stored on the SnapSAN 3000 5000 management server allowing summarizing extracting and editing data on the server In additio
120. ion Confirmation Using Guest OS Executing Rescan Perform the following steps 1 Use VI Client to select a server then select Storage Adapter as the configuration hardware setting 2 Click Rescan under Storage Adapter IMPORTANT Select an available software Initiator from displayed list of available iSCSI software adapters This brings up a display of Initiator details such as the model name IP address iSCSI name detection method iSCSI alias and various detected targets 3 Click Properties in Details 4 Properties that can be added are shown under the General tab of the iSCSI Initiator Properties screen 10400386 001 07 2012 2012 Overland Storage Inc lt 4 F 8 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server IMPORTANT The software Initiator configuration and default properties can be changed Setting up a Data Store Create a data store for a software activated iSCSI storage device After creating it execute a rescan Disk LUN from the ESX Server system can be used 1 Use the VI Client to select a server and then select Hardware gt Storage under Configuration Click Add storage Select Disk LUN and then click the Next button Select the iSCSI device to be used for the data store and then click the Next button OV Oe Current disk layout is displayed Check the current disk array layout If there are no problems with the settings click the Next button 6 The Dis
121. ion makes it possible to improve performance as shown in the examples provided below If there is a problem with the file arrangement and the access load concentrates in a specific logical disk the I O density of the logical disk should be higher than that of other logical disks and its response time should be longer If this is the case it is necessary to review the file arrangement and distribute the load If a write operation onto the disk is slow the cache memory is insufficient A write operation onto physical disks may be simultaneously performed This status is confirmed by checking to see if the Write Hit ratio is less than 100 If this is the case it is recommended that the memory of the disk array be added If response is not quick although the access density from the application server to the logical disk is low the access density to another logical disk on the same RANK pool may be high This state is confirmed by the fact that the Busy Ratio of the RANK pool is high In this case use the performance optimization function to move the logical disk which has the high access density to another RANK pool and level out the Busy Ratio of each RANK pool On the other hand reviewing the processes of an application to reduce access operations to a disk or improving access efficiency by batch accessing can be good solutions to some cases Function Overview The performance monitoring function includes Real Time Display of Load Status Moni
122. ion regarding all configuration s collected before and after the output is no longer related When information iv is output only statistic information on the RANK and pool collected before and after the output is no longer related Editing Statistic Information As described in 1 5 3 5 Extracting Statistic Information a user can create CSV format files using the CSV conversion tool and can edit the data using spreadsheet software as required This process makes analysis of the statistic information easier Furthermore use of the functions provided by iSM allows easy analysis without a spreadsheet program iSM provides the following edit functions for statistic information e A program called Performance Report Editor for the user to edit modify in a format easy for performance analysis and output to a file the statistic information accumulated in statistic information history files and statistic information summarized files e Function of displaying graphs Storage Performance Report Viewer for files created with the edit tool performance report 1 Performance Report Editor The Performance Report Editor uses statistic information in statistic information history summarized files as inputs and edits modifies the statistic information into a text format Performance Report The user can reference the Performance Report to readily analyze the performance of a disk array Types and overview of Performance Report are given below
123. isk from Physical disk type 2 Select the type of RAID from the RAID type drop down list menu 3 Select the number of physical disk that configure the pool and their capacity using either Auto disk selection option or Manual disk selection option NOTE When 61 or more physical disks configure a pool pool expansion is automatically performed The value for Total capacity of the pool displayed for a pool configuration with 61 or more physical disks is rough estimate Click Next to move on to the step for checking settings Parameter Description Basic Settings Displays basic settings to be used for binding a pool Advanced Settings Displays default advanced settings to be used for binding a pool Advanced Click Advanced to modify the default settings displayed under Advanced Settings Physical disks to configure the Displays details of physical disks used to configure a pool pool 10400386 001 07 2012 2012 Overland Storage Inc 45 5 SnapSAN 3000 5000 Disk Array User Guide Overview 4 Check if the list has any problems If the list has no problems click Set to display the confirmation message 5 Click Yes to perform pool binding When the binding is completed the completion window appears NOTE When a physical disk to be used is stopped with the power saving function on it takes time to bind the pool When the first pool is bound a system value 8 GB is automatically created When the pool binding is succe
124. it 4 seconds Lit Maintenance being required Backup has failed Not lit 8 seconds Written data may have vanished Lit 1 second Lit Firmware being updated online Not lit 1 second Not lit Lit 0 2 seconds Auto flashing has finished and power can be Not lit 0 2 turned off seconds Not lit Not lit Powered off When access to a host connection port is disconnected for five minutes transition to this mode takes place automatically in preparation for power off When access from the host connection port is restored ordinary status is restored 4 Standby LED Status Not lit DC on and off operation is not available Lit DC on and off operation is available 5 Active LED 6 Fault LED Status Not lit Not lit Powered off Lit Not lit Ordinary READY Flashing Not lit Ordinary in the course of ACCESS Flashing Flashing Recovered Lit Flashing Hard disk drive save energy mode Lit Lit Failure 10400386 001 07 2012 2012 Overland Storage Inc 41 10 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Disk Array Controller Power and Disk Enclosure Power 3 Service action LED 1 Input good LED 5 Standby good LED 2 FaultLED 4 DC goodLED AC Power Supply Figure 1 12 LED Display Disk Array Controller Power and Disk Enclosure Power 3 1 Input Service 5 good 2 Fault action 4 DC Standby LED LED LED good LED good LED Green Orange Blue Green Green Status
125. k LUN Properties are now shown Enter the data store name After completing the settings click the Next button IMPORTANT The data store name is shown in the VI Client The label must be unique within the current instance of the virtual Infrastructure 7 Adjust the file system values and area to be used for data store The default settings is to set the storage device for all empty areas After completing the settings click Next 8 When the Completed Settings screen appears check the data store configuration If there are no problems with the settings click the Finish button NOTE Until now a data store has been created in an iSCSI storage device that can be accessed by Software Initiator 9 Click the Change button Confirmation Using Guest OS Perform the following steps to confirm that the logical disks are recognized by the guest operating system Confirmation in Windows Environment 1 Select Administrative Tools gt Computer Management gt Disk Manager to start 2 Click Disk drives and check the number of logical disks No of logical disks assigned to server X No of access paths from server to individual logical disks and the respective disk drive names DISK ARRAY SCSI Disk Device NOTE If nothing is shown check the software iSCSI Initiator settings for the ESX Server environment the server Storage connections NIC driver settings and so on 10400386 001 07 2012 2012 Overland Storage Inc lt 4 F 9
126. ks that can be assigned Select drop down list Select the logical disk list display type from the drop down list LD List Displays the list of logical disks bound in the disk array Click a logical disk you want to assign 10400386 001 07 2012 2012 Overland Storage Inc 45 9 SnapSAN 3000 5000 Disk Array User Guide Overview CAUTION The display items can be sorted however the order cannot be changed Multiple logical disks can be selected at the same time Perform the following steps 1 Select hosts from the Host List to which logical disks will be assigned 2 Select logical disks from the LD List to which hosts will be assigned 3 Click Next Parameter Description Host List Displays the hosts to which logical disks will be assigned LDs Assignable to Host Displays logical disks to be assigned to the host Change LUN Click this button to open the LUN Settings page which allows configuring LUN Logical Unit Number setting 4 Check the setting and click Set to perform the logical disk assignation When the assignation is completed the completion page appears Parameter Description Assign logical disks to another host Click this hyperlink to assign another logical disk to the host Register information of a host Click this hyperlink to open the Host Information Collection page 5 The initialization is now complete Click Finish Checking Connection from Application Servers Check connection from the
127. l CHAP authentication execute the following commands iscsiadm m node targetname lt target name specified in step 1 gt p lt target IP address succeeded to log on in step 1 gt op update n node session auth username in v lt target name specified in step 1 gt iscsiadm m node targetname lt target name specified in step 1 gt p lt target IP address succeeded to log on in step 1 gt op update n node session auth password in v lt CHAP password for the target gt 7 Execute the following command If there are two or more IP addresses succeeded to log on repeat the steps 5 7 iscsiadm m node targetname lt target name specified in step 1 gt p lt target IP address succeeded to log on in the step 1 gt 1 If you use three or more disk arrays repeat the procedures in steps 1 2 repeatedly and then perform the procedure in step 3 for the last disk array controller And then perform the procedure the steps 4 7 repeatedly for each disk arrays you have done the procedures in step 1 2 Checking Connection from Application Server Perform the following steps to connect the application server and disk array in Linux environments 10400386 001 07 2012 2012 Overland Storage Inc lt E 12 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server Table E 3 Process Flow Process Flow Description Log on in Linux Environment Log on to the target Confirmation
128. l report 10400386 001 07 2012 2012 Overland Storage Inc 47 16 SnapSAN 3000 5000 Disk Array User Guide Function Overview e Host director performance detail report e Disk director performance detail report e Host port performance detail report e Replication port performance detail report initiator e Replication port performance detail report target e Disk port performance detail report e Cache performance detail report e Cache segment performance detail report e Logical disk performance detail report e Physical disk performance detail report e RANK performance detail report Pool performance detail report The Performance Report Editor creates a performance report in accordance with the following naming rule e When input is a statistic information history file xxxxxx psl xxxxxx_psl_edit type txt e When input is a statistic information summarized file xXxxxx psa XXxxxx_psa_edit type txt One of the following is set in the edit type depending on the performance report type Edit Type Report Type sum Performance summary report array Disk array performance detail report node Node performance detail report hd Host director performance detail report dd Disk director performance detail report hp Host port performance detail report rp t Replication port performance detail report target dp Disk port performance detail report cache Cache performance detail report cheseg Cache
129. le Connection Settings screen of the Add Network Wizard enter a Network label to identify the port group that was created under Port Group Properties Select either Automatically retrieve IP settings or Use the following IP setting a Ifyou selected Use the following IP setting enter the IP address and subnet mask then click the Edit button b Enter the IP address of the default gateway for service control When settings are completed click the Next button c In the Settings Completed screen of the Add Network Wizard use the Preview function to check that vSwitch has been correctly configured and then click the Finish button Setting up Software iSCSI Initiator To configure Software iSCSI Initiator activate Initiator and then set the target address for Initiator This section describes the parameter settings related to CHAP authentication Activate software iSCSI Initiator so that ESX Server can be used 1 After logging in to VI Client select a server from the Inventory panel 2 Click the Storage Adapter button under the hardware to be configured A list of 10400386 001 07 2012 available storage adapters is displayed After selecting an available software Initiator from the iSCSI software adapter click Properties Click the Configure button under the General tab in the iSCSI Initiator Properties screen Select the Enabled check box under Status in the General Properties screen After completing the setti
130. led by using SnapSAN Manager Setup To configure manually click Start gt All Programs gt SnapSAN Manager Network Initialization Tool gt Network Setting Tool to run Network Setting Tool In a Linux environment 1 Run the iSMinitool command 2 Click Refresh when Network Setting Tool is started Disk arrays detected through search are displayed and not set is shown for Status for disk arrays for which network settings will be performed for the first time Select the target disk array from the list and click Set If the SnapSAN 3000 5000 has been installed and IP addresses have been configured finished is shown in the Status column For details about information shown for the Status column see Table 2 1 10400386 001 07 2012 2012 Overland Storage Inc lt 4 2 10 SnapSAN 3000 5000 User Guide Configuring IP Addresses by Using Network Setting Tool Table 2 2 Initialization Status of Disk Array Status Description Displayed information Disk array status not set Disk array has just been installed The disk array is not monitored by SnapSAN Manager because the network settings have not been done IP addresses must be configured by using Network Setting Tool finished IP addresses have been configured The disk array can be monitored by SnapSAN Manager 5 Configure the network addresses to allow monitoring the disk array by SnapSAN Manager 6 Configure a floating address for the disk array and
131. lick a host to which you want to assign logical disks Register information of a host Click this hyperlink if you cannot find the target host listed in the Host list and want to jump to the Host Information Collection page Show all assignable logical disks Select this check box to display all logical disks that can be assigned Select drop down list Select the logical disk list display type from the drop down list LD List Displays the list of logical disks bound in the disk array Click a logical disk you want to assign AN CAUTION The display items can be sorted however the order cannot be changed Multiple logical disks can be selected at the same time Perform the following steps 1 Select hosts from the Host List to which logical disks will be assigned 2 Select logical disks from the LD List to which hosts will be assigned 3 Click Next Parameter Description Host List Displays the hosts to which logical disks will be assigned LDs Assignable to Host Displays logical disks to be assigned to the host Change LUN Click this button to open the LUN Settings page which allows configuring LUN Logical Unit Number setting 4 Check the setting and click Set to perform the logical disk assignation When the assignation is completed the completion page appears Assignment of Logical Disk Finish Parameter Description Assign logical disks to another host Click this hyperlink to assign another logical
132. ll the target application servers before performing this operation Finish Initialization Wizard 5 Confirm the initialization is finished Bind Pool When you click this hyperlink the Pool Bind page appears for starting pool binding Initialization Wizard 6 To move on to pool binding click Bind pool 10400386 001 07 2012 2012 Overland Storage Inc 43 6 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard CAUTION When the initialization is complete the Access Control function starts automatically Binding a Pool Perform basic settings for binding a pool Parameter Description Show pool list Click Show pool list to see the list of existing pools Click Close pool list to hide the pool list Physical disk type Select the type of physical disks that configure a pool RAID type Select the RAID type of the pool Auto disk selection Specify the number of physical disks to be used from the Number of physical disks and the capacity per physical disk from Physical disk capacity The selectable numbers of physical disks are RAID6 4 PQ 6 disks or more RAID6 8 PQ 10 disks or more RAID5 2 P 3 disks or more RAID5 4 P 5 disks or more RAID5 8 P 9 disks or more RAID TM 3 disks or more RAID1 2 disks or more Manual disk selection Select this option and click Select physical disks to manually select physical disks to be used for a pool Calculate
133. lly Select this option to move on to the manual time setting page Don t set the time now Select this option to move on to the step to unlock license without setting time To configure a time using NTP select Synchronize the time with the NTP server and click Next 3 Configure the NTP settings Parameter Description IP Address Specify an IP address of the NTP server 4 To set NTP server enter the required information and click Next 10400386 001 07 2012 2012 Overland Storage Inc 43 4 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Host Connection Port Parameters Set the host connection port for the disk array supporting FC This screen is displayed only for disk arrays of the SnapSAN 5000 or later Parameter Description Port list Select the port you want to set Edit button A dialog box is displayed that lets you edit the settings of the selected port 5 Edit dialo Parameter Description Port number Unique port number Port name Specify the name to be assigned to the port Platform Specify the platform of the host to be connected Data rate Specify the value corresponding to the data transfer rate of the HBA or HUB Server connection Specify the connection topology between the disk array and the type host Automatic negotiation The connection type is automatically negotiated FC AL Select this when connecting the host c
134. ltiple target IP addresses select the Multi Path check box 5 After the required information is entered click Logon 6 When logging on to the target disk array is successfully complete the message Logon Succeeded appears Clicking OK brings you back to the logon page of the target so click Close to end iSCSI Setup Tool CAUTION iSCSI Setup Tool uses Java It is necessary to install Java Runtime Environment 32 bit version to the operation server The host name should be 15 bytes or less An error may occur and an invalid LD set may be recorded when you complete logon and retry to logon to a disk array system with the same serial number In this case delete the invalid LD set using SnapSAN Manager An application server has to be connected to both of the network connected with a 10400386 001 07 2012 2012 Overland Storage Inc lt 4C 7 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server management port of a target disk array and the network connected with a host connection port When using SnapSAN Manager SnapSAN Manager Embedded SnapSAN Manager please use the iSCSI Setup Tool in the state which doesn t hold a configuration setting screen of SnapSAN Manager Please use the iSCSI Setup Tool in the state in which a LD set with the iqn of the same application server does not exist in the target disk array After setting an IP address in a host connection port or changing it the i
135. mand Collecting Host Information From Application Server To make settings for collecting host information automatically or through a disk array see Section 7 3 5 Collecting Host Information e For details about how to collect host information see one of the following depending on the platform of the application server e For a Linux application server see Section D 2 Collecting Registering Host Information on Application Server Initialization by Path Manager for Windows Manager Initialization Wizard Overview Use the initialization wizard to make the basic settings of a disk array Operations to be performed on the initialization wizard are e Set the disk array subsystem name e Change and or confirm a disk array name e Set time e Set time by configuring the NTP server or manually e Host connection port parameters SAS e Set the host connection port Start Initialization wizard Click Configuration and Initialization on the left pane to open the menu Then click Start to start the initialization wizard 3 Click Yes to start the initialization wizard 4 When the initialization wizard starts perform the settings as prompted 5 Select the setting type for initialization 10400386 001 07 2012 2012 Overland Storage Inc 45 3 SnapSAN 3000 5000 Disk Array User Guide Overview IMPORTANT To perform quick setting see Configuration Setting Tool User s Manual GUI for the SnapSAN 3000 5000 NOT
136. map etc in a replication reserved volume If the disk array system is powered off while no replication reserved volume has been created the state of the disk array system becomes backup If no replication reserved volume is used it is recommended to power on the unit 24 hours The storage system information saving function is a function to back up the storage system information such as differential map for business volumes MV and replication volumes RV to disk drives Auto Cache Flush Function This is a function to automatically save user data difference map configuration information and the like on caches to disk drives when host IO is not issued for five minutes 10400386 001 07 2012 2012 Overland Storage Inc lt 4 1 21 SnapSAN 3000 5000 Disk Array User Guide Powering Off the Disk Array System If power off takes place without going through the ordinary procedure while data that has not been written is left on caches the backup function works to protect the data on caches However because this backup function saves cached data in the flash memory by using batteries in the disk array system the data may get lost if battery power is not sufficient and saving data fails Auto Cache Flush Function assures data on caches to be written to disk drives and prevents data loss even if a situation mentioned above arises Completion of Auto Cache Flush can be checked from high speed flashing of POWER LED that flashes every 0 2 secon
137. n downloading the statistic information history file allows summarizing extracting and editing data on an SnapSAN 3000 5000 client 1 Accumulating statistic information 2 Summarizing extracting and editing statistic information F Statistic Disk Array Information History File Downloading accumulated statistic information Summarizing extracting and editing statistic information iSM a Figure 7 5 History File 10400386 001 07 2012 2012 Overland Storage Inc 47 7 SnapSAN 3000 5000 Disk Array User Guide Function Overview NOTE When statistic information has been accumulated for a long term disk usage of the statistic information history file increases Therefore it is necessary to systematically organize statistic information Increase of disk usage can be prevented by summarizing statistic information and keep period of statistic information Accumulating Statistic Information The statistic information collected from disk array is accumulated in a statistic information history file One statistic information history file stores the statistic information for up to one day collected from one disk array A statistic information history file is automatically created in a directory specified by environment definition Application Servers m Statistic Information LAN History File Disk Array Figure 7 6 Naming Conversion Statistic information history files are created b
138. n bold letters 10400386 001 07 2012 2012 Overland Storage Inc 45 6 SnapSAN 3000 5000 Disk Array User Guide Overview NOTE For slots having no physical disks the slot names and check boxes are grayed out in the view display and the slots are not listed in the list display For physical disks for which a pool has been bound the check boxes are grayed out in the view display and the disks are not listed in the list display 3 Click Set to display the following confirmation message 4 Click Yes to perform hot spare binding When the hot spare binding is completed the result dialog box appears Parameter Description Bind another hot spare Click this hyperlink to reopen the Hot Spare Bind page to bind another hot spare Bind pool Click this hyperlink to open the Pool Bind page to bind another pool Bind logical disk Click this hyperlink to open the Logical Disk Bind page Binding Logical Disks This section explains how to bind logical disks Logical Disk Bind Parameter Description Pool list Displays details of already bound pools Select a pool in which logical disks will be bound Show all pools By clearing this check box you can view only the pool that is bound this time Show logical disks of the selected Click this button to confirm a list of logical disks that are pool bound in the currently selected pool Number of logical disks Specify the number of logical disks to
139. n from the application servers by following the procedure described in one of the following e For a Windows environment see Section C 3 Checking Connection from Application Server e For a Linux environment see Section E 8 Checking Connection from Application Server e For a VMware environment seeSection F 2 Checking Connection from Application Server 10400386 001 07 2012 2012 Overland Storage Inc 44 9 overland storage Chapter 5 Initializing a SAS Disk Array This chapter describes how to initialize a disk array configured for SAS connection Overview The initialization consists of 10400386 001 07 2012 1 Collecting host information e Collect host information from the application server e For details about the procedure see Section Collecting Host Information From Application Servers Initializing the disk array by using the initialization wizard e Use the initialization wizard to make the basic settings of the disk array e For details about the procedure see Section Initialization Wizard Binding a pool e Bind a pool in the disk array e For details about the procedure see Section Binding a Pool Binding a hot spare e Bind a hot spare This step is not required unless a hot spare is bound e For details about the procedure see Section Binding a Hot Spare Binding logical disks e Bind logical disks e For details about the procedure see Section Bind
140. n units of hours is called a primary summarized file and file which contains statistic information summarized in units of days is called a secondary summarized file In other words iSM has three types of files which store statistic information as shown in Table 1 2 Average Time Interval of Amount Recorded in One Type of File Period of Summarizing File Statistic Information History Logging Interval For max of one day File Statistic Information Primary One hour For max of one day Summarized File Statistic Information Secondary One day For max of one month Summarized File NOTE If the disk array configuration is changed while the statistic information is being accumulated the period of summarizing is divided at the time when the disk array configuration is changed For the statistic information on primary Summarized file the period of summarizing might be less than one hour by being divided at the time when the disk array configuration is changed For the statistic information on secondary summarized file the period of summarizing might be less than one day by being divided at the time when the disk array configuration is changed Types of summarizing operations e iSM provides the following three types of summarizing functions to deal with the two types of summarized files e History file gt Primary summarized file primary summarizing 10400386 001 07 2012 2012 Overland Storage Inc lt 4 7 10 SnapSAN 3000 5000
141. n wizard to make the basic settings of a disk array Operations to be performed on the initialization wizard are 1 Set the disk array subsystem name e Change and or confirm a disk array subsystem name 2 Set time e Set time by configuring the NTP server or manually Set host connection ports Set iSNS server e Register the iSNS server information for setting the iSNS server Start Initialization Wizard Click Configuration and Initialization on the left pane to open the menu Then click Start to start the initialization wizard Before the initialization starts the following confirmation message appears 5 Click Yes to start the Initialization Wizard When the Initialization Wizard starts perform the settings as prompted 1 Confirm the Normal Setting check box is selected and then click Next 2 Perform the following steps to change a disk array name a Enter a new name in the New Disk Array Subsystem Name box b Confirm the name and click Next IMPORTANT For the procedure when the Set the time manually option is selected see Configuration Setting Tool User s Manual GUI for the SnapSAN 3000 5000 3 To set NTP server enter the required information and click Next 4 Select a port from the host connection port list and click Edit The dialog box for editing the settings of the selected port appears 10400386 001 07 2012 2012 Overland Storage Inc 44 2 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN
142. napSAN Manager Agent Utility 10400386 001 07 2012 2012 Overland Storage Inc lt B 2 SnapSAN 3000 5000 Disk Array User Guide Installing SnapSAN Manager Agent Utility Table B 1 Operating System and Environments Systems Supported Environments Operating Microsoft Windows Server 2003 Standard Edition SPO to SP2 1 Systems Microsoft Windows Server 2003 R2 Standard Edition SPO SP2 Microsoft Windows Server 2003 Standard x64 Edition SPO SP2 Microsoft Windows Server 2003 R2 Standard x64 Edition SPO SP2 Microsoft Windows Server 2003 Enterprise Edition SPO to SP2 1 Microsoft Windows Server 2003 R2 Enterprise Edition SPO SP2 Microsoft Windows Server 2003 Enterprise x64 Edition SPO SP2 Microsoft Windows Server 2003 R2 Enterprise x64 Edition SPO SP2 Microsoft Windows Server 2003 Enterprise Edition for Itanium based Systems SPO to SP2 1 5 Microsoft Windows Server 2008 Standard SPO SP2 2 3 4 Microsoft Windows Server 2008 R2 Standard SPO SP1 2 4 Microsoft Windows Server 2008 Enterprise SPO SP2 2 3 4 Microsoft Windows Server 2008 R2 Standard SPO SP1 2 4 Microsoft Windows Server 2008 for Itanium based Systems SPO SP2 5 1 To use the host information collection function included in SnapSAN Manager Agent Utility SP1 or SP2 must be applied on this OS 2 The product without Hyper V function is also supported 3 The Server Core install option is not
143. ngs Physical disks to configure the Displays details of physical disks used to configure a pool pool 5 Check ifthe list has any problems If the list has no problems click Set to display the confirmation message 6 Click Yes to perform pool binding When the binding is completed the completion window appears CAUTION When a physical disk to be used is stopped with the power saving function on it takes time to bind the pool When the first pool is bound a system value 8GB is automatically created When the pool binding is successfully completed the result of pool binding appears n Parameter Description Bind another pool Click this hyperlink to reopen the Pool Bind page to bind another pool Bind hot spare Click this hyperlink to open the Hot Spare Bind page Bind logical disk Click this hyperlink to open the Logical Disk Bind page Perform one of the following steps e Click Bind hot spare to bind hot spare e Ifyou do not want to bind hot spare click Bind logical disk to move on to logical disk binding 10400386 001 07 2012 2012 Overland Storage Inc lt 4 3 8 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Binding a Hot Spare This section explains how to bind a hot spare The Hot Spare Bind page has the view display and the list display The displays can be switched by clicking the tabs Parameter Description List By default the Lis
144. ngs click the OK button Set the target detection address so that the software Initiator is able to designate access enabled storage resources on the network 2012 Overland Storage Inc lt 4 F 6 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server Click the Add button under the Dynamic Discovery tab in the iSCSI Initiator Properties screen Enter the IP address of the server to be used as the target sending iSCSI server After completing the settings click the OK button CHAP Parameter Settings If CHAP authentication will not be used this step is not necessary 1 Click the CHAP Authentication tab in the iSCSI Initiator Properties screen e The default CHAP parameters are shown under the CHAP Authentication tab e To change these CHAP parameters click the Configure button 2 Click the CHAP Authentication tab in the iSCSI Initiator Properties screen and change the following settings After completing the settings click the OK button Certificate Select the Use the following CHAP credentials option to activate CHAP authentication function Select the Use Initiator Name option to use the Initiator name as the CHAP name Enter any CHAP name to be used instead Enter the CHAP Secret in the CHAP Secret box Select Disable CHAP authentication to disable the CHAP authentication function IMPORTANT For sessions after CHAP setup the CHAP Secret is used to authenticate the Initiator This has no effect on
145. nk to reopen the Logical Disk Bind page for another logical disk binding Set the host to which logical disks Click this hyperlink to open the Host Information will be assigned Collection page Assign logical disks to the host Click this hyperlink to open the Assignment of Logical Disk page 4 Click Set the host to which logical disks will be assigned to retrieve the information of the host to which logical disks that have been bound are assigned Select how to collect host information 10400386 001 07 2012 2012 Overland Storage Inc lt 3 10 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Parameter Description Collect host information Select this option to retrieve host information automatically Windows Linuxor automatically by showing the volume for information Hyper V retrieval to all hosts Update with host information Select this option to configure host information by file Windows Linux or Hyper V using the files for host information retrieved on application servers Create host information manually Select this option by manually entering interfaces with Windows Linux VMware or Hyper hosts host names platforms WWPNs and port V numbers to configure host information 5 Select Collect host information automatically Windows or Linux and click Next The confirmation dialog box appears 6 Click Yes The Host Information Collection Registr
146. nstall Path Manager For details refer to Section C 1 3 Installing Path Manager When Path Manager will not be used this step is not necessary This describes how to set up the Open iSCSI driver and CHAP authentication For details refer to Section E 1 4 Setting up iSCSI Software Initiator SnapSAN 3000 5000 Disk Array User Guide Preparation Preparation Perform the following steps to prepare for installation of application server in Linux environment 1 Provide IP addresses for an application server Prepare IP addresses to be assigned to the application server as many as the NIC 1000BASE T or 10GBASE SR ports In addition prepare the subnet mask and gateway addresses by asking the network administrator CAUTION If two or more IP addresses are used by Path Manager the same network segment cannot be specified Prepare IP addresses of other segments Example 1 Connectable configuration HPO 192 168 0 10 HP1 192 168 1 10 Example 2 Unconnectable configuration HPO 192 168 0 10 HP1 192 168 0 11 2 Install the NIC LOOOBASE T or 10OGBASE SR driver Install and set up the driver according to the setup procedure in the manual provided with the NIC installed in the server or by referencing information provided on the Web etc NOTE If the NIC has already been attached to the application server this step is not necessary 3 Install NIC LOOOBASE T or 1OGBASE SR Install the NIC to the application server as de
147. ntroller Normal operation will not occur if matching values are set NOTE Because FC switches in a Loop Topology require different Loop Switch IDs within FC switches a configuration cannot be built using just one FC switch Set different values Setthe samevalue Storage disk array 0 Figure H 2 Connecting to Loop Topology FC Switch e When connecting to a Fabric Switch such as N8406 040 042 As shown in the figure below for each Fabric Switch or each Zoning group connections from servers and disk array controllers must be linked to the same port number on each switch Target IDs starting from 0 are assigned to targets that are recognized by the server starting from the lowest N_Port ID value lowest port number of switch 10400386 001 07 2012 2012 Overland Storage Inc lt H 2 SnapSAN 3000 5000 Disk Array User Guide Target ID Controller 0 Controller 1 Storage disk array 0 Figure H 3 Connecting to Fabric Switch Table H 1 Connection of Switch Switch No Port Connected Switch No Device ID Target ID SwitchO Port0 iStorage0 10h 0 Recognizes targets ContO connected to fabric SwitchO Port iStorage1 12h Soen mastenie cet Cont0 and assigns Target ID from lower switch port SwitchO Port2 server A number Target ID for HBAO the first detected target SwitchO Port3 server B will be 0 Secondly HBAO detected target will have Target ID 1 and Switch1
148. ntrollers is assigned to the floating address e IP addresses of Controller 0 and Controller 1 belong to different segments and an IP address that does not belong to those segments and does not have any conflict with other existing segments is assigned to the floating address 9 When all the required information is entered click Set The dialog box for confirmation is displayed 10 Click Set again to set the specified values to the disk array Click Cancel to change the settings 10400386 001 07 2012 2012 Overland Storage Inc lt 4 2 11 SnapSAN 3000 5000 User Guide Configuring IP Addresses by Using Network Setting Tool CAUTION If any IP address subnet mask or gateway address is not configured correctly configuring the network settings fails As a result monitoring by using SnapSAN Manager is not enabled NOTE If the error message The setting of IP address failed is shown refer to the help of Network Setting Tool Setting a Time Zone of the Disk Array Windows Use SnapSAN Manager Setup to configure the time zone settings SnapSAN Manager Setup is automatically started when you insert the SnapSAN 3000 5000 Documentation Software CD and it allows you to perform the settings as prompted NOTE Depending on your environment the program may not start automatically in which case you need to launch INSTALL WINDOWS ISMSETUP EXE2 and follow the steps below After you configure IP addresses as described in Section
149. nu while the iSM server is operating if the performance monitoring screen is not started For details on environment setting refer to the installation guide For changing Display Refresh Rate refer to the User s Manual or User s Manual UNIX in accordance with your OS in use Set the Display Refresh Rate as the number of screen updates per minute Table 1 1 shows relation between Display Refresh Rate and Display Refresh Interval Display refresh rate times minute 1 2 3 4 5 6 Display refresh interval second 60 30 20 15 12 10 You cannot change the Display Refresh Rate while the Performance Monitoring screen is started Change to the Display Refresh Rate applies to all the disk arrays monitored by the server Increasing the Display Refresh Rate detects change in the performance information in a shorter interval but the number of components simultaneously display is decreased This is because the number of collection of performance information by a single disk array controller in certain period is restricted not to obstruct file I O from the application host in the overhead at collection of performance information This tendency is eminent especially when statistic information is being stored simultaneously with real time displaying Monitoring Overloads Specifying a threshold as an index value of overload allows iSM to automatically detect the occurrence of overload in a disk array or a disk array component occurrence of
150. o D kell ee Oveiand napSAN 3000 5000 Disk Array Storage User Guide July 2012 10400386 001 overiand storage SnapSAN 3000 5000 Disk Array User Guide 2012 Overland Storage Inc All rights reserved Overland Overland Data Overland Storage ARCvault DynamicRAID LibraryPro LoaderXpress Multi SitePAC NEO NEO Series PowerLoader Protection OS REO REO 4000 REO Series Snap Appliance Snap Care EU only SnapServer StorAssure Ultamus VR2 and XchangeNOW are registered trademarks of Overland Storage Inc GuardianOS RAINcloud SnapDisk SnapEDR Snap Enterprise Data Replicator SnapExpansion SnapSAN SnapScale SnapServer DX Series SnapServer Manager SnapWrite and SnapServer Manager are trademarks of Overland Storage Inc All other brand names or trademarks are the property of their respective owners The names of companies and individuals used in examples are fictitious and intended to illustrate the use of the software Any resemblance to actual companies or individuals whether past or present is coincidental PROPRIETARY NOTICE All information contained in or disclosed by this document is considered proprietary by Overland Storage By accepting this material the recipient agrees that this material and the information contained therein are held in confidence and in trust and will not be used reproduced in whole or in par
151. o prevent this conflict and set thresholds without limit set the threshold monitoring interval included in the environment definition of the iSM server to the same as the logging interval This setting enables to decrease the load on the disk array to be increased by threshold monitoring in conjunction with accumulation of statistic information which is described in the following section This measure however requires accumulated statistic information NOTE If the threshold monitoring interval is set to the same as the logging interval only the disk array whose statistic information is accumulated is monitored for thresholds Note that if accumulation of statistic information is stopped the excess of threshold is not monitored even when thresholds are set for monitoring items Resetting threshold excess state Once a threshold value is exceeded the value is excluded from threshold monitoring target until the threshold excess state is reset This feature prevents repeated reporting of the same event of threshold excess state under largely fluctuating loads The threshold excess state can be reset by the Performance Monitoring screen of the iSM client or the threshold operation command of the iSM server Setting the condition to reset threshold excess state allows automatic reset of threshold excess state when the condition is satisfied The following conditions can be set for resetting the threshold excess state e Time of cont
152. off the AC switches of the power on the disk array controller and disk enclosures only for those with AC power supplies The power supply of the disk array system can now be stopped Unlike power on there is no rules for sequence of stopping Notes on Turning Off the AC Power Backing up user data If the power of this disk array system is turned off without going through the power off procedure described in Section Powering Off the Disk Array System or the power control systems without using DC buttons section described in Section Powering On the Disk Array System the user data on caches will be backed up on the flash memory of the unit Data will not be lost even if the power is turned off without going through the procedures 10400386 001 07 2012 2012 Overland Storage Inc lt 1 20 SnapSAN 3000 5000 Disk Array User Guide Powering Off the Disk Array System Notes on using the data replication function The update information storage system information managed by the data replication function Volume Cloning or Remote Replication is created on a replication reserved volume or the cache memory If no replication reserved volume has been created the update information mentioned above is created only on the cache memory In these circumstances even if the disk array system is powered off according to the procedure described in Section Powering Off the Disk Array System the status of the disk array sy
153. ogging Interval in statistic information history file If statistic information collected in relatively short intervals is accumulated in the long term the amount of data in the statistic information history file will become enormous and eventually exhaust the free disk space For saving disk space the accumulated statistic data is summarized into the information of a period longer than the logging interval reducing amount of information included in a file downsizing the data This function is called summarizing statistic information The information after summarizing is output to statistic information summarized file For details about summation refer to A 3 1 Summarizing Statistic Information When you want to accumulate statistic information in the long term summarize statistic information by using this function as required and delete the statistic information originally accumulated This can save the disk space For information on how to estimate the size of a statistic information summarized file refer to Appendix E Estimating Size of Files for Performance Monitoring Function Types of summarized files In order to select an appropriate balance between the time resolution and amount of accumulated information You can create summarized files whose average time interval in the period of summarizing is one hour and summarized files whose average time interval is one day A file which contains statistic information summarized i
154. ompleted the result dialog box appears Parameter Bind another hot spare 10400386 001 07 2012 Description Click this hyperlink to reopen the Hot Spare Bind page to bind another hot spare 2012 Overland Storage Inc 43 9 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard Parameter Description Bind pool Click this hyperlink to open the Pool Bind page to bind another pool Bind logical disk Click this hyperlink to open the Logical Disk Bind page Binding Logical Disks This section explains how to bind logical disks Perform the following steps for binding a logical disk Parameter Description Pool information Displays pool information Basic logical disk settings Displays the basic settings to be used for binding logical disks Logical Disk Advanced Settings Displays default advanced settings to be used for binding a logical disk Advanced Click Advanced to modify the default settings displayed under Logical disk advanced settings Logical disks to be bound Displays the details of the logical disks to be bound 1 Verify the settings of the logical disk to be bound that are listed 2 To perform advanced settings click Advanced 3 After confirming the settings click Set to display the following confirmation message The result of the logical disk binding appears Parameter Description Bind another logical disk Click this hyperli
155. onment 1 Configurations where host information can be collected automatically or through a disk array When the OS of new servers to be connected by SAS cables is Linux RHEL5 or later or SLES10 or later and a disk array is newly installed host information can be collected through the disk array For details about the setting see Section 7 3 5 Collecting Host Information To collect host information without connecting SAS cables in one of the configurations above see Section D 2 1 Collecting Host Information by Using File Output for a Linux environment New disk array New Linux server Figure 5 1 Configuration Auto Collection of Host Information 2 Collecting host information by using files reported by the host information collection command 10400386 001 07 2012 2012 Overland Storage Inc 45 2 SnapSAN 3000 5000 Disk Array User Guide Overview When a disk array is installed in a system that has already begun operating use the host information collection command to report files Registering the reported files allows assigning the application server to created logical disks For details about how to register reported files see Section D 2 2 Registering Host Information by Using File Output New disk array New Linux server New disk array Existing Linux server Existing Linux server Existing disk array Figure 5 2 Configuration Collect Host Information Using Host Information Collection Com
156. onnection port and the application server directly over an FC cable or when using a loop topology FC switch FC switch connection Fabric Select this when using an FC switch other than a loop topology FC switch Switch ID Specify the value of the switch for the port The specifiable value range is OOh to 7dh When connecting multiple disk arrays in a loop topology FC switch configuration make sure that the value of each switch is unique Port type Select the port type Select the host port or data migration port This setting is displayed only when the data migration function is usable 6 Clicking OK applies the change of settings to the list 7 When you click Next after changing the port settings as needed the port settings are made Port Mode Switching You can change the FC port mode of the disk array This screen is displayed only for disk arrays of the SnapSAN 5000 or later 10400386 001 07 2012 2012 Overland Storage Inc 43 5 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard 1 Port List view e The Port List view lets you check the information about the disk array ports e A port number is expressed in the format of director number port number e The following items are displayed e Port Number e Port Name e Mode e WWN Port in the WWN mode e Port Port in the Port mode e Configuration lock e Lock Locked port e Empty Port not locked e Unselectable
157. or more 80 8D P x n 9 or more 88 RAID 60 4D PQ x n 6 or more 66 8D PQ x n 10 or more 80 RAID TM 1D 1D 1D 3 33 IMPORTANT It is recommended that you use disk drives of the same capacity and rotational frequency for RAID systems D refers to data disk P and Q refer to parity disks where n is an integer greater than 1 10400394 001 07 2012 2012 Overland Storage Inc lt 4 A 2 overland J storage en Windows FC SAS Application Server This appendix provides the steps you should follow while setting or checking application server in the Windows environment when the disk array is configured for a FC or SAS connection Installing SnapSAN Manager Agent Utility This section describes how to install SnapSAN Manager Agent Utility Before Installation Note the followings before installing the SnapSAN Manager Agent Utility The following functions become available by installing the SnapSAN Manager Agent Utility e iSM volume list command e Host agent Host information collection command and host agent service 1 e iSCSI Setup Tool 2 e SnapSAN Host Register Agent 3 1 Available in Windows Server 2003 SP 1 or later environments 2 Available in Windows Server 2008 or later environments 3 Available in Windows Server 2008 or later environments Table B 1 shows the supported operating environment 10400386 001 07 2012 2012 Overland Storage Inc lt 4 B 1 SnapSAN 3000 5000 Disk Array User Guide Installing S
158. ore Microsoft Windows Server 2008 Standard OS required memory 10 MB or more Microsoft Windows Server 2008 Enterprise OS required memory 10 MB or more Microsoft Windows Server 2008 for Itanium based Systems OS required memory 37 MB or more 10400386 001 07 2012 2012 Overland Storage Inc lt 4 B 4 SnapSAN 3000 5000 Disk Array User Guide Installing SnapSAN Manager Agent Utility Table B 1 Operating System and Environments Systems Supported Environments Operating Microsoft Windows Server 2003 Standard Edition SPO to SP2 1 systems Microsoft Windows Server 2003 R2 Standard Edition SPO SP2 Microsoft Windows Server 2003 Standard x64 Edition SPO SP2 Microsoft Windows Server 2003 R2 Standard x64 Edition SPO SP2 Microsoft Windows Server 2003 Enterprise Edition SPO to SP2 1 Microsoft Windows Server 2003 R2 Enterprise Edition SPO SP2 Microsoft Windows Server 2003 Enterprise x64 Edition SPO SP2 Microsoft Windows Server 2003 R2 Enterprise x64 Edition SPO SP2 Microsoft Windows Server 2003 Enterprise Edition for Itanium based Systems SPO to SP2 1 5 Microsoft Windows Server 2008 Standard SPO SP2 2 3 4 Microsoft Windows Server 2008 R2 Standard SPO SP1 2 4 Microsoft Windows Server 2008 Enterprise SPO SP2 2 3 4 Microsoft Windows Server 2008 R2 Standard SPO SP1 2 4 Microsoft Windows Server 2008 for Itanium based Systems SPO SP2 5 1 To use the host in
159. pool capacity Click this button to see an estimated capacity of a pool in Total capacity of the pool When Physical disk type RAID type Number of physical disks Physical disk capacity is changed there is possibility that calculating is displayed temporarily under Total capacity of the pool Perform the following steps to bind a pool 1 Select the type of physical disk from Physical disk type 2 Select the type of RAID from the RAID type drop down list menu 3 Select the number of physical disk that configure the pool and their capacity using either Auto disk selection option or Manual disk selection option CAUTION When 61 or more physical disks configure a pool pool expansion is automatically performed The value for Total capacity of the pool displayed for a pool configuration with 61 or more physical disks is rough estimate 10400386 001 07 2012 2012 Overland Storage Inc 43 7 SnapSAN 3000 5000 Disk Array User Guide Initialization by SnapSAN Manager Initialization Wizard 4 Click Next to move on to the step for checking settings The page for confirming the settings of pool binding appears This page lists the settings of the pool to be bound Parameter Description Basic Settings Displays basic settings to be used for binding a pool Advanced Settings Displays default advanced settings to be used for binding a pool Advanced Click Advanced to modify the default settings displayed under Advanced Setti
160. pplication Server Appliation server NIC Interface cable Figure F 3 Configuration Example The following shows an example of a 10 Gbps iSCSI connection redundant path configuration in combination with Path Manager To implement the following recommended example two NICs must be installed in the application server and two 10 Gbps cables are needed to connect the disk array controller and NICs Use a 10 Gbps cable to connect the NIC to the host port HP connector of the disk array controller The 10 Gbps cable has the same connector shape on both ends Application serer NIC 10 Gbps cable Figure F 4 Configuration Example 1 For the basic requirements when using iSCSI storage for ESX Server systems other than the above refer to the OS Manual or to information provided on the Web and so on 2 Prepare VMware Infrastructure Client VI Client operating environment 10400386 001 07 2012 2012 Overland Storage Inc lt 4 F 4 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server VI Client is a key component that generates manages and supervises virtual machines virtual machine resources and virtual machine hosts VI Client must be installed on a Windows machine that supports network connection of ESX Server or VirtualCenter server environment Creating VMKernel Port The following operations must be performed before configuring iSCSI storage e Create a VMKernel port for iSCSI Sof
161. prompt IMPORTANT For details refer to the Path Manager User s Guide Windows Version Check Path Manager status Run the following command from the command prompt spsadmin lun Check the message shown after the command is executed and then check the number of logical disks assigned to the server the number of access paths per logical disk and each path status 10400386 001 07 2012 2012 Overland Storage Inc lt B 7 SnapSAN 3000 5000 Disk Array User Guide Collecting Registering Host Information on Application Server Display example When two logical disks are assigned to a server with two access paths per logical disk c gt spsadmin lun LogicalUnit 0 SerialNumber 0000000995000001 LDNumber 0x00000 LoadBalance Least Size 0 ScsiAddress 2 0 0 0 Priority 1 Status Active 1 ScsiAddress 3 0 0 0 Priority 2 Status Standby LogicalUnit 1 SerialNumber 0000000995000001 LDNumber 0x00001 LoadBalance Least Size 0 ScsiAddress 2 0 0 1 Priority 1 Status Active 1 ScsiAddress 3 0 0 1 Priority 2 Status Standby CAUTION If nothing is displayed none of the access paths recognized the logical disks of the disk array controller assigned to the application server Check the connection between the application server and the disk array controller the Access Control settings host bus adapter driver settings and other settings 10400386 001 07 2012 2012 Overland Storage Inc lt 4 B 8 overland
162. ption Basic logical disk settings Displays the basic settings to be used for binding logical disks Pool information Displays pool information Logical Disk Advanced Settings Displays default advanced settings to be used for binding a logical disk Advanced Click Advanced to modify the default settings displayed under Logical Disk Advanced Settings Logical disks to be bound Displays the details of the logical disks to be bound 2 Perform the following steps for binding a logical disk a The settings of the logical disk to be bound are listed Confirm the settings b To perform advanced settings click Advanced After confirming the settings click Set to display the confirmation message e 9 Click Yes to perform the logical disk binding The result of the logical disk binding appears Parameter Description Bind another logical disk Click this hyperlink to reopen the Logical Disk Bind page for another logical disk binding Assign logical disks to the host Click this hyperlink to open the Assignment of Logical Disk page 3 To assign the bound logical disk to a host click Assign logical disks to the host Parameter Description Host List Displays hosts registered with the disk array Click a host to which you want to assign logical disks Add unlisted host Click this button to display a host addition page on which another host can be added Show all assignable logical disks Select this check
163. r Windows Microsoft Internet Explorer Version 7 to 9 32 bit versions NOTE For Windows Vista or Windows Server 2008 only Version 7 or later are supported For Windows 7 and Windows Server 2008 R2 only Version 8 or later are Supported Linux Firefox 3 0 3 5 and 3 6 Java Runtime One of the following JREs 32 bit version is necessary From JRE 6 update Environment JRE 17 to JPE 29 See Table 4 2 for information on combinations of supported JREs and OSes When using Internet Explorer Version 9 be sure to use JRE 6 update 25 or later Memory Windows 67 MB or more Linux 70 MB or more Disk Capacity No program needs to be installed NOTE A maximum of 30 MB is used for reporting log files 10400386 001 07 2012 2012 Overland Storage Inc 42 4 SnapSAN 3000 5000 User Guide SnapSAN Manager Embedded Operating Environment Configuration Description Display XGA resolution 1024 x 768 or greater The information above is the supported operating environment for the default settings of SnapSAN Manager V7 4 The following operating systems are supported under JRE6 82 bit version from JRE 6 update 17 to 29 Operating Systems Windows XP Professional Edition Windows XP Professional x64 Edition Windows Vista Business Windows 7 Ultimate Windows 7 Enterprise Windows 7 Professional Windows 7 Ultimate x64 Windows 7 Enterprise x64 Windows 7 Professional x64 Windows Server 20
164. rage Inc 47 13 SnapSAN 3000 5000 Disk Array User Guide Function Overview e Semi synchronous copy order guarantee buffer information e Logical disk capacity information e Pool capacity information e Concentrator e Cabinet DAC DE 3 Extracting statistic information of the specified type Statistic information can be generally categorized into the following types e Information regarding the number of inputs outputs This information contains the number of inputs outputs the maximum values of input output density OPS and minimum values of input output density e Information regarding the response time of the I O process This information contains the average response time and the maximum response time e Information regarding the Transfer Rate of the I O process This information contains Transfer Rate and the maximum and minimum values of Transfer Rate e Information regarding the operating status of the devices Busy time and maximum and minimum values of the busy time are included A Busy Ratio and maximum and minimum values of the Busy Ratio are included e Information regarding the I O request queues Average queue length and max queue length are included e Information regarding the cache pages Average dirty pages and max dirty pages are included e Information regarding the wait time of the semi synchronous copy order guarantee buffer Average wait time and max wait time are included e Information regarding the
165. ration Powering On the Disk Array System AC Operating Mode The disk array controller has a mechanism that powers the unit itself on automatically not through operation of the power switch according to power supply to AC AC operating mode is enabled in the factory default settings AC operating mode can be disabled by issuing a certain command to the disk array controller When AC operating mode is disabled you need to use the power switch to control the power of the disk array controller When AC operating mode is disabled the power control function through ESMPRO AC is not available because the control circuits on the controllers are not powered on Make sure to enable AC operating mode when you use the power control function through the ESMPRO AC For information on how to change the factory default settings to disable AC operating mode see SnapSAN Manager Software Configuration Setting Tool User s Manual GUI for the SnapSAN 3000 5000 10400386 001 07 2012 2012 Overland Storage Inc 41 15 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Follow the steps below to power on the disk array system Step Operation 0 Check the disk array controller and the disk enclosures are connected correctly When AC power supplies are installed check AC switches of the disk array controller and disk enclosures are set to off 1 When AC power supplies are installed set the AC switches to on in the order of t
166. rformance Monitoring Client ey Operation LAN Administrator ARRAY 1 Disk Array Figure 7 2 Overload Monitor Threshold values can be specified for each item in A 2 Performance Data Threshold to Be Monitored The unit of specifying a threshold is called a threshold monitoring element Thresholds can be set using the Performance Monitoring screen of the iSM client or the threshold operation command of the iSM server Notifying threshold excess by e mail The event link function of the iSM server e mails a message message ID iSM08050 to a specified address in order to notify the occurrence of a threshold excess For details on the event link function of the iSM server refer to Event Link in the User s Manual of your OS in use For details of messages refer to the Messages Handbook Threshold monitoring conditions During a background process of disk array such as batch processing and fault recovery of physical disks a threshold value may be temporarily exceeded Upon such a case which can occur in usual operation the excess of threshold should not be reported to an administrator Specifying the monitoring conditions shown below can prevent such unnecessary reporting of the excess of threshold 1 Threshold monitoring interval Time interval of detecting a threshold Default value is the same as Display Refresh Interval 2 Minimum I O count If the number of I Os in a threshold monitoring inte
167. rize extract statistic information as required delete the statistic information history files Then restart the iSM server For information on how to estimate the size of a statistic information history file refer to Appendix E Estimating Size of Files for Performance Monitoring Function The accumulating period of statistic information is called the logging interval The user can specify the logging Interval from 1 minute to 60 minutes at environment definition of the iSM server The logging Interval cannot be changed while the iSM server is operating To change the logging Interval you must terminate the iSM server The accumulating processes of statistic information limits the number of times for collecting statistic information within a specified time in order not to affect I O process from the application server In other words the statistic information is not collected all at once from the disk array but it is collected with dividing the accumulating process into several intervals Therefore too many disk array components may prevent collecting statistic information within a specified logging interval and may disable starting of the data accumulation process In such a case specifying the automatic adjustment of logging interval in the environment definition of the iSM server can adjust the appropriate intervals within a range of 60 minutes from the interval set in the environment definition and start accumulating processes When
168. rming the settings click Set to display the following confirmation message d Click Yes to perform the logical disk binding The result of the logical disk binding appears Parameter Description Bind another logical disk Click this hyperlink to reopen the Logical Disk Bind page for another logical disk binding Set the host to which logical disks Click this hyperlink to open the Host Information will be assigned Collection page Assign logical disks to the host Click this hyperlink to open the Assignment of Logical Disk page 7 Click Set the host to which logical disks will be assigned to retrieve the information of the host to which logical disks that have been bound are assigned 8 Select how to collect host information Parameter Description Collect host information Select this option to retrieve host information automatically Linux only automatically by showing the volume for information retrieval to all hosts Update with host information file Select this option to configure host information by using Linux only the files for host information retrieved on application servers Create host information manually Select this option by manually entering interfaces with Windows Linux VMware or Hyper hosts host names platforms and port numbers to V configure host information When using a Windows VMware or Hyper V host select this option 10400386 001 07 2012 2012 Overland Storage In
169. rol settings host bus adapter driver settings etc Display example When two logical disks are assigned to a server with two access paths per logical disk cat proc scsi sps dda device dev dda disk info DISK ARRAY xXxXxXxXxXxXXXXXXXXXXX XXXXX device info Host scsi 2 Channel 0 Id 0 Lun 0 Watch Enable Status NML LoadBalance D2 path info 0 Host scsi 0 Channel 0 Id 0 Lun 0 Priority 1 Status ACT path info 1 Host scsi 1 Channel 0 Id 0 Lun 0 Priority 2 Status HOT Check the path patrol daemon 4 Confirm that the path patrol daemon is running 5 When the path patrol daemon is started the following message is displayed etc rc d init d dd_daemon status dd_daemon pid XXX is running 10400386 001 07 2012 2012 Overland Storage Inc lt 4 D 6 overland storage Appendix E Linux iSCSI Application Server Perform the following steps to initialize the application server in Linux environments Table E 1 Process Flow Preparation Install Linux iSCI Software Initiator Install PathManager Setup Linux iSCSI Software Initiator 10400386 001 07 2012 2012 Overland Storage Inc Description Prepare for installation For details refer to Section Preparation Install the iSCSl initiator utils package For details refer to Section E 1 2 Installing iSCSI Software Initiator If the iSCSI initiator utils package has already been installed this step is not necessary I
170. rom SnapSAN Manager After connecting the disk array device to physically the same network where the machine on which Network Setting Tool has been installed i e the network not beyond a router configure IP addresses having the same segment as the machine on which Network Setting Tool has been installed by referring to the example shown below For example 10400386 001 07 2012 2012 Overland Storage Inc 42 9 SnapSAN 3000 5000 User Guide Configuring IP Addresses by Using Network Setting Tool The address of the machine on which Network Setting Tool is installed is 192 168 0 20 24 IP Address 192 168 020 Subnet Mask 255 255 2550 UDP 2730 UDP 2730 ag IP Address blank gt 192 168 0 12 IP Address blank gt 192 168 0 11 Subnet Mask blank gt 255 255 255 0 Subnet Mask blank gt 255 255 255 0 Controller 1 CONT 1 Controller 0 CONT 0 DiskArray Disk Array Figure 2 2 Connect Disk Array Example NOTE IP addresses have the same segment as the machine on which Network Setting Tool has been installed When the disk array and the SnapSAN Manager Client are operated on different segments configure IP addresses by referring to the example shown above and then move the disk array When you move the disk array make sure to remember the gateway address settings Configuration In a Windows environment the Network Setting Tool is automatically started after Network Setting Tool is instal
171. rovides the steps you should follow while setting or checking application server in the Linux environment when the disk array is configured for the FC connection Installing SnapSAN Manager Agent Utility This section describes how to install the SnapSAN Manager Agent Utility Before Installation Note the followings before installing the SnapSAN Manager Agent Utility The following functions become available by installing the SnapSAN Manager Agent Utility e iSM volume list command e Host agent Host agent service e iSCSI Setup Tool e Storage Host Register Agent Table D 1 Operating Environment Linux Item Supported Environment Operating systems Red Hat Enterprise Linux Version 5 1 e Red Hat Enterprise Linux 5 5 to 5 7 IA32 EM64T e Red Hat Enterprise Linux 5 5 to 5 7 Advanced Platform IA32 EM64T Red Hat Enterprise Linux Version 6 e Red Hat Enterprise Linux 6 1 IA32 EMT64 SUSE Linux Enterprise Server10 e SUSE Linux Enterprise 10 SP3 IA32 EM64T 2 1 The iSCSI Setup Tool sharing function supports Red Had Enterprise Linux 5 5 IA32 EM641 2 Only for disk arrays conted via FC Memory OS required memory 5 MB or more IA32 server and EM64T server Disk capacity 12 MB or more Above are the supported environments for this version at the point of the initial shipment of this product Installation Install the SnapSAN Manager Agent Utility by following the procedure below 1 Log in as a root user
172. rrier drive model Upto 12 disk drives dummy carriers can be installed on the 3 5 inch disk drive model e Disk drive Hard disk drive with a dedicated carrier HDD or SSD Dummy carrier Dummy to prevent wind blow 10400386 001 07 2012 2012 Overland Storage Inc 41 3 SnapSAN 3000 5000 SnapSAN 3000 5000 Disk Array User Guide Label Description Key cylinder The key cylinder is used to lock the front bezel when it is attached to the unit Active LED green Each disk drive has one each of these LEDs The LEDs indicate the disk drive status Fault LED orange The ejector is used to remove and attach the disk drive from or to a disk Ejector array controller or a disk enclosure Rear View The following graphic shows the rear view of a SnapSAN disk array with the power supplies on top and controllers on the bottom SAS 4 port controllers used in this example Power Supply PS 1 Power Supply PS 0 Controller CONT 0 Controller CONT 1 Figure 1 6 Rear View of Disk Array Controller Label Description 1 Power supply PSO PS1 Two power supplies are installed on a disk array 2 Controller CONTO CONT1 Two controllers are installed on a disk array 10400386 001 07 2012 2012 Overland Storage Inc 41 4 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Power Supply 4 AC switch 1 Power plug 7 Service Action LED 8 DC GoodLED 6
173. rsion Tool e Period of extraction e Component of disk array e Type of statistic information In statistic information history summarized files the component information of the disk array is accumulated in addition to statistic information CSV Conversion Tool can also extract component information 1 Extracting statistic information in the specified period To extract statistic information in the specified period specify the period in CSV Conversion Tool To specify a period you can specify the extraction starting time and end time or either one of them a Specifying the extraction starting time and end time b Statistic information from the extraction starting time to the extraction end time is extracted ii Specifying the extraction starting time only Statistic information after the extraction starting time is extracted c Specifying the extraction end time only Statistic information before the extraction end time is extracted 2 Extracting statistic information regarding the specified component To extract statistic information of the specified component of the disk array specify the component of the disk array in CSV Conversion Tool The following components can be specified e Host director e Disk director e Host port e Host port node e Replication port e Data migration port e Disk port e Cache e Cache segment e Logical disk e Physical disk e RANK e Pool 10400386 001 07 2012 2012 Overland Sto
174. running 10400386 001 07 2012 2012 Overland Storage Inc lt E 17 overland storage Appendix F VMware iSCSI Application Server This appendix provides the steps you should follow while setting or checking an application server in the VMware environment when the disk array is configured for the iSCSI connection Initializing Application Server Perform the following steps to initialize the application server in the VMware environment Prepare for installation Preparation For details refer to Section Preparation Create a VMKernel port and connect iSCSI to the Create a VMKernel Port network For ESX Server 3 connect the service console to the iSCSI network For details refer to Section Creating VMKernel Port Set the iSCSI Software Initiator as active and then set the target address of the Initiator If necessary enter settings for CHAP authentication For details refer to Section Setting up Software iSCSI Initiator Preparation Perform the following steps to prepare for installation of application server in VM environment 1 Provide IP addresses for an application server 10400386 001 07 2012 2012 Overland Storage Inc lt 4 F 1 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server 10400386 001 07 2012 Prepare IP addresses to be assigned to the application server as many as the NIC 1000BASE T or 10GBASE SR ports In addition prepare the subnet mask and g
175. rval does not exceed an I O count specified here the threshold is not monitored in this interval A minimum I O count is specified with the number of I Os per minute Default value is 60 per minute Threshold monitoring is performed when the number of I Os in a threshold monitoring interval exceeds the specified minimum I O count If the threshold is exceeded the excess of threshold is reported By system operation analyzing performances and specifying the threshold monitoring conditions on the basis of the analysis monitoring of overload appropriate for the applications can be performed Figure1 6 shows an outline of the threshold monitoring interval 10400386 001 07 2012 2012 Overland Storage Inc 47 5 SnapSAN 3000 5000 Disk Array User Guide Function Overview UAN T TIN NAT PUTTY NTT Figure 7 3 Threshold Monitoring Interval For monitoring overload of a disk array performance information must be constantly collected from the disk array If thresholds are set for many monitoring items collection of performance information burdens the disk array The number of monitored items for which a threshold can be set is limited in order to prevent load on the disk array increased by collection of performance information from affecting I O to and from the application server Specification of thresholds for many logical disks and physical disks in a medium or large scale disk array may conflict with the above limit of monitoring items T
176. rver is operating Therefore take extra care when changing the system time When you want to change the system time substantially you must save the statistic information files as required NOTE If the iSM server is stopped when file deletion is executed the statistic information files that have exceeded the keep period are not deleted The files will be deleted at deletion after the iSM server restarting Downloading Statistic Information The statistic information accumulated on the iSM management server can be summarized extracted and edited by downloading the statistic information file on the iSM client If you do not have the iSM performance analysis supporting tool and iSM Storage Performance Report Viewer in the iSM client environment you have to install them For details on the installation procedure refer to the installation guide The statistic information file can be downloaded from the Performance Monitoring screen on the iSM client by using the iSM file transfer function Downloading is allowed for clients of user level L2 or L3 Downloading is also allowed with a commercially available FTP tool without using the iSM file transfer function Extracting Statistic Information Statistic information about disk array collected by iSM is accumulated in statistic information history files and statistic information summarized files This function can extract and output the information to a CSV format file delimited by commas Us
177. rver where Path Manager will be installed Insert the setup CD ROM of Path Manager in the CD DVD drive of the server When the message shown below or a similar message appears click Yes If no message is shown run iSpmStarter exe located in the root directory of the setup CD ROM of Path Manager Use the Setup CD and the following procedures to install Path Manager 10400386 001 07 2012 1 Turn the server off Completely disconnect the server and Path Manager for Windows If you install on the SAN boot environment connect the server and Path Manager for Windows with one access path 2 Turn the server on Log in as an administrator of the server if Windows Server 2008 must be built in administrator 3 Ifyou are going to setoup Path Manager to 320Fb models stop HAS Volume Monitoring Service before installation and restart after completion see Chapter 6 HAS Volume Monitoring Service Setup 4 Insert the Setup CD into the CD DVD drive unit 5 Ifthe dialog box shown below is appeared click Yes If the dialog box is not appeared run iSpmStarter exe in the root directory of Setup CD When you install on the Server Core environment or NS series the dialog box will not be displayed 2012 Overland Storage Inc lt 4G 1 SnapSAN 3000 5000 Disk Array User Guide For Windows Application Server NOTE You need to launch iSpmStarter exe directly if your environment is Server Core Move current
178. s or web interface Figure 1 1 SnapSAN 3000 5000 24 Slot and 12 Slot Models Features High Performance and Large Capacity e The disk array supports the following host interfaces e Fibre channel FC AL Fabric 8Gbps e iSCSI 1Gbps 10Gbps e The disk array supports the following disk drives e 300 GB 15Krpm 450 GB 15Krpm 600 GB 15Krpm and encryption 600 GB 15Krpm 3 5 inch SAS disk drives e 300 GB 10Krpm 450 GB 10Krpm 600 GB 10Krpm and encryption 600 GB 10Krpm 2 5 inch SAS disk drives e 1TB 7 2Krpm and 2 TB 7 2Krpm 3 5 inch NL SAS disk drives e 1TB 7 2Krpm 2 5 inch NL SAS disk drive e 400 GB 3 5 inch SSD e 100 GB 2 5 inch SSD 10400386 001 07 2012 2012 Overland Storage Inc 41 1 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 e On the SnapSAN 3000 series up to 96 disk drives can be installed On the SnapSAN 5000 series up to 144 disk drives can be installed when using a 2 5 inch disk drive When using a 3 5 inch disk drive up to 96 disk drives can be installed e SAS disk drives NL SAS disk drives and SSDs can be installed together on a disk enclosure e The disk array can be connected as a storage system AIX servers Other Features e Key components such as controllers cache memories power supplies and fans are redundantly configured e Cache data is dually written to controllers Even if a controller fails integrity of the data on the caches of the other controll
179. s recognized from Server B In this case there are different LDNs for the LUN that is recognized from Server A and the LDN that is recognized from Server B e When access control is not used No settings are necessary e When access control is used When you are setting access control LDNs within a disk array controller must be set so that the same LUN number is recognized from each server 10400386 001 07 2012 2012 Overland Storage Inc 4H 4 overland storage index 10400386 001 07 2012 Symbols gt flow indicator PR iv A AC Operating Mode _ 1 15 1 16 AC Power Off Sequence 1 19 Adapter 1 8 Adapter ADP 1 14 Assigning a logical disk to application server FC 3 11 5 1 iSCSI 4 1 4 8 Auto Cache Flush Function 1 21 Bind Hot Spare FC 4 1 5 1 Bind Logical Disk FC 3 10 4 1 5 1 5 7 iSCSI 4 7 Bind Pool FC 3 7 4 1 5 1 5 4 iSCSI 4 4 Binding Additional Logical Disks FC 6 2 iSCSI 6 3 C Changes to the Configuration 6 1 CHAP Authentication C 9 E 5 E 6 F 1 F 7 CHAP Parameter Settings F 7 Check connection from application server FC 3 13 5 1 5 10 Linux D 4 Windows B 7 2012 Overland Storage Inc iSCSI 4 1 4 9 VMware F 8 Windows C 7 Check PathManager Settings and Status D 5 Collect Host Information Automatically 5 2 Using host information collection command 5 2 Controller 1 6 Controller CONT 1 12 conventions typographical PR iv customer support PR iii D Dat
180. scribed in the manuals provided with the NIC and application server NOTE If NIC has already been installed to the application server this step is not necessary 4 Install the NIC LOOOBASE T or 1OGBASE SR driver 5 Install and set up the driver according to the setup procedure in the manual provided with the NIC installed in the server or by referencing information provided on the Web etc NOTE If the driver has already been installed and set up for the NIC installed in the application server this step is not necessary 6 Specify the network settings Select Start gt Control Panel gt Network Connection and then open Local Area Connection Properties to specify the IP address subnet mask and default gateway 7 Connect to the disk array controller Use a 10 Gbps or 1 Gbps cable to connect the application server to the host port HP connector of the disk array controller e Unit equipped with 10Gbps iSCSI 2port controllers 10 Gbps cable Connector shape LC connector 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 2 SnapSAN 3000 5000 Disk Array User Guide Preparation NOTE FC cable can be used e Unit equipped with 1Gbps iSCSI 2port controllers 1 Gbps cable Connector shape RJ 45 connector NOTE CATG LAN cable is recommended Either straight cable or crossover cable can be used For a sample connection configuration see Appendix L iSCSI Connection Configuration Examples The following
181. scseescsesseseesesessescssescsesecsesecsesessessesesesesesseseecseesenees B BETO INSTGIOTON save ccessessdscvssseedeveaseccusa cana te diludashas eis deat hebined alented a a i B 1 IFISTCAIGTION AE E T E E T tats eongianr events B 5 Collecting Registering Host Information on Application Server s sssssssessssessssssssssssrsresresrereseesesseseese B 6 Collecting Host Information by Using File Output s sssessssssssssessssessesesresesresssnesresessenessensnsessesenessenens B 6 Registering Host Information by Using File Output s sssesssssssssessssessssesssssssesssssssssessisessrsensrssssrssesreseste B 6 Checking Connection from Application Server s esesssessssesesesessssesesesessssssesestssssestsestssasssesentsssssese B 7 Check Connection under a Windows environment s essesssessesesseseesessesesstsessnstsstsresesessesesseneeseees B 7 Check the Path Manager Settings ANC STATUS cecescsseccssescssescseeseseeecseeseseceeseseeseseeseseeseseeecseeesseeess B 7 Appendix C Windows iSCSI Application Server IFAMMAIIZINGi ADOC GION SCIEN onanera i E can bee en NAA C ALENE IA EEE E A T EE T A E E E T E AE C 2 10400386 001 07 2012 2012 Overland Storage Inc 41 3 SnapSAN 3000 5000 Disk Array User Guide INSTAllINGASCSISOMWERE INITIATOR isrado aan aea aaea iaaa e Sivan C 4 nsaling Pati MIndJET seision E RR A A C 5 Sening UPISCS _SOMWONE NANON atessiasvevast seasaseeuhevess vantavax aestads seth Videe raven N TEAT C 5 ISCSISSTUON MOO secenario c
182. segment performance detail report Id Logical disk performance detail report pd Physical disk performance detail report rank RANK performance detail report pool Pool performance detail report 2 Storage Performance Report Viewer 10400386 001 07 2012 2012 Overland Storage Inc 47 17 SnapSAN 3000 5000 Disk Array User Guide Function Overview The Storage Performance Report Viewer is a tool that uses a disk array performance detail report created by the Storage Performance Report Editor as inputs to provide graphic representation of statistic information The user references a graph to understand the load state of disk array and chronological change in the load The Storage Performance Report Viewer can be used in an environment where Excel Microsoft Excel2000 2002 2003 2007 2010 is installed 10400386 001 07 2012 2012 Overland Storage Inc 47 18 J storage Appendix A Specifications The specifications of the disk array are shown below Table A 1 Specifications Disk Array Host interface SnapSAN 3000 A Fibre channel FC AL Fabric e Maximum transfer rate 8 Gbps B iSCSI e Maximum transfer rate 1 Gbps e Maximum transfer rate 10 Gbps Fibre SnapSAN 5000 A Fibre channel FC AL Fabric e Maximum transfer rate 8 Gbps B iSCSI e Maximum transfer rate 1 Gbps Maximum transfer rate 10 Gbps Fibre CONTnumber per unit 2 2 Number of host ports per A 4 A 4 CONT 2
183. sion the logical disks that can be controlled by Path Manager are displayed after the logical disks recognized by the OS via the NIC comprised in the above example of NIC 1 and NIC 2 Check the Path Manager Settings and Status NOTE When Path Manager will not be used this step is not necessary 1 Check the kernel version 10400386 001 07 2012 2012 Overland Storage Inc lt 4 E 15 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server Check that the installed Path Manager supports the currently used kernel Check that kernel version A number shown under uname r matches the value shown for kernel version B under rpm qi uname r 2 o 6 5 KOK rpm qa grep sps sps drivers E 5 x x SOS WNC AILS 5 xo oe rom qi sps drivers E 5 x x Name sps driver E Relocations not relocatable Version 3 Soe M Vendor Overland Storage Release 2 6 xX x x Build Date xxxx year xx month xx day xx hour xx min xx sec Install Date xxxx year xx month xx day xx aour 2x mim zx sec Buile Hosts NSC eC Oro Group System Environment Kernel SOCCER EME spero rivorns hE ee O Ho Ko SES 9 Kou Size 7 SKK License GPL Signature none Packager Overland Storage Summary Path Manager for Linux Description E The driver dd_mod sps_mod sps_mod2 provides the redundant SCSI path for iStorage Disk Array System This Driver works on Red
184. sity transfer rate etc For example to monitor responses to accesses from an application average response time and I O density must be monitored 3 Analyzing performances Accumulate the statistic information of performance monitoring target devices with accesses from application programs Then analyze the statistic information by summarizing extracting and editing On the basis of the analyzed information a maximum load level load fluctuation and expected period of heavy load and future load regulation are estimated This analysis is performed regularly If a problem about performances is expected an appropriate measure must be taken in advance 4 Specifying threshold value and monitoring overloads On the basis of performance analysis results specify threshold values as indexes for detecting overloads Loads exceeding a specified threshold value are detected by iSM automatically and are reported on the iSM Client screen 5 Detection Upon detection of overload 10400386 001 07 2012 2012 Overland Storage Inc 47 2 SnapSAN 3000 5000 Disk Array User Guide Function Overview 6 Reviewing cause of overload Display the Performance Monitoring screen on the iSM client or use the threshold operation command on the iSM server to check the location of overload Then analyze the accumulated statistic information to determine the cause of the overload 7 Improving performance Analysis of statistic informat
185. ssesassesesasees 2 1 SNapSAN Manager Embedded Operating Environment uu ccsssesessescsseecseeeesessesessescsseecsesecsesesseseesesees 2 2 10400386 001 07 2012 2012 Overland Storage Inc lt 41 SnapSAN 3000 5000 Disk Array User Guide Before Starting SNAPSAN Manager Embedded eeesessssseeessesescseeeeeseseeeseseneeeecaeseneseeceeaeeeseeeseeeeaeees 2 6 SOT E E te amas sath E A EEE ada Rania aes 2 7 Installing Network Setting TOO c ccccccsescessssccasscssscansessieesiieesacaecadanssuedeneddasdanaessceecadasteederssaanecntenediaesndantey 2 7 WUIRGOWS 2 5 cuts ccasscncessgetsdogenigenvacessaeseunensaed covuesncesecfesduannayevsddicuaeueti tala cednasberae EE SEa EEE EE Saai 2 7 LUX eiir nnen n a a a A aed ainaunaonn daunting 2 8 Configuring IP Addresses by Using Network Setting Tool sesessssesesesessssesesessssssesesenessssesesessssssesesessssssese 2 9 COMMQWIOMOMN eaae ees Ses ada denice Si Bites 2 10 Setting d Time Zone Of the DISK AMOY serar inon an e ected alata deanna S 2 12 WINGOWS sisimas a E a A an aS 2 12 ETE EA EAE A AAA E A EAA AA A E E EA E 2 12 Installing SnapSAN Manager Agent Utility on Application Server s ssssssessssssssesesesisseresesesisseseses 2 13 Starin SMAPSAN Mandager EMBEAIE eisini a a aa 2 13 Chapter 3 Initializing an FC Disk Array OVENVIOW desetiedeadeneacasesdedeacaicd cated cades laccuedd ataccucndcxeacaiadcaded ARAL AAEN AA 3 1 C lecting HOST IMTOMMOTOMN isise trasen ankaa aTe rS S arai Op NE PEE DAE
186. ssfully completed the result of pool binding appears Parameter Description Bind another pool Click this hyperlink to reopen the Pool Bind page to bind another pool Bind hot spare Click this hyperlink to open the Hot Spare Bind page Bind logical disk Click this hyperlink to open the Logical Disk Bind page Binding a Hot Spare This section explains how to bind a hot spare Hot Spare Bind Parameter Description List By default the List view is displayed The List view displays a list of physical disks available to bind a spare Select the specified check box of the physical disk for which hot spare will be bound View Click this tab for the visual display of physical disks available to bind a spare Select the specified check box of the physical disk for which hot spare will be bound Pool list Select a physical disk to create a hot spare When you select the physical disk for hot spare binding Enabled is displayed under the Enable Hot Spare field of the Pool list Pools that are enabled by a newly bound hot spare are shown in bold Enable the copy back mode Select this option to enable copy back mode When a faulty disk is replaced by a new disk copy back mode automatically copies back the data to the new disk Perform the following steps to bind a hot spare 1 Select one or more physical disks for hot spare binding 2 When you select the physical disks pools with Enable Hot Spare are displayed i
187. stem becomes backup status when the disk array system is stopped If the backup fails the storage system information is lost and the status of the disk array system becomes one of the following six statuses Activity Synchronization Pair Status Separate Separated All spaces are different There is no change in the status Separating The status becomes fault where copying is stopped Replicate Replicating All spaces are different Replication is Synchronized automatically restarted from the beginning There is no change in the status Restore Restoring The status becomes fault where copying is stopped Synchronized All spaces are different Replication is automatically restarted from the beginning There is no change in the status For recovery of a pair whose status is fault perform the following steps for replication a Perform Forced Separate for the RV target b Perform the steps to restore the previous status Replicate Separate or Restore again Copy is started again All the spaces of logical disks are targeted which means full copy is performed e When the replication function is used it is strongly recommended that a user use the storage system information saving function and create a replication reserved volume by SnapSAN Manager The capacity of the replication reserved volume will be 8 9 GB e Powering off by performing the ordinary steps backs up storage system information differential
188. t after the power on During this period the Service LED orange flashes cyclically e If the Service LED orange does not go off and the Power LED green is not lit after 10 minutes both LEDs are located at the front of the disk array controller the disk array system may be failing e See Chapter 10 Troubleshooting e If the snapshot function or the data replication function is used initialization and the self test described above take longer 4 Power on the application servers hosts Make sure to power on the application servers after the disk array system is successfully started 10400386 001 07 2012 2012 Overland Storage Inc 41 16 SnapSAN 3000 5000 Disk Array User Guide SnapSAN 3000 5000 Notes on Powering On the Disk Array System 1 When powered on from the battery backup status If the disk array system stopped due to an unexpected power outage backed up cache data to the internal flash memory and then restarted high speed writing by using cache Cache Fast Write will not be performed until charging the batteries used for the backup is complete which makes performance of the disk array system degrade This is because next backup is not guaranteed while batteries are not fully charged and data is written to nonvolatile disk drives but not to caches that may get volatilized It takes a maximum of eight hours to complete charging discharged batteries 2 Restarting the disk array system after user da
189. t nor its contents revealed to others except to meet the purpose for which it was delivered It is understood that no right is conveyed to reproduce or have reproduced any item herein disclosed without express permission from Overland Storage Overland Storage provides this manual as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose Overland Storage may make improvements or changes in the product s or programs described in this manual at any time These changes will be incorporated in new editions of this publication Overland Storage assumes no responsibility for the accuracy completeness sufficiency or usefulness of this manual nor for any problem that might arise from the use of the information in this manual 7 4 Overland Storage Inc 9112 Spectrum Center Blvd San Diego CA 92123 U S A Tel 1 877 654 3429 toll free U S Tel 1 858 57 1 5555 Option 5 International Fax 1 858 571 0982 general Fax 1 858 571 3664 sales www overlandstorage com 10400386 001 07 2012 2012 Overland Storage Inc ii Preface This user guide explains how to install setup and use your new Overland SnapSAN Manager Embedded software and its SnapSAN 3000 5000 disk array to perform tasks such as create arrays and logical volumes modify configuration settings and take snapshots This guide assumes that you are f
190. t information by using file output follow the procedure below 1 Report a host information file See Section Collecting Host Information by Using File Output to report a host information file 2 Transfer the host information file 3 Use file transfer USB memory or other methods to transfer the host information file to a client 4 Register the host information by using SnapSAN Manager On the left pane on the SnapSAN Manager window click Configuration gt Host gt Host Information Collection to open the host information registration window 6 Select host information setting method Select the Update with host information file and click Next Specify the host information file a Click Browse to specify a file in which host information is recorded and click Add b Confirm that all the host information is retrieved and click Next This displays the Host information setting completion page 9 Check the Host information Collection Completion page 10 The result of setting host information is displayed Click Finish to close the page 10400386 001 07 2012 2012 Overland Storage Inc lt 4D 3 SnapSAN 3000 5000 Disk Array User Guide Registering Host Information by Using File Output Checking connection from Application Server This section describes how to check connection in Linux environment and check the Path Manager settings and status Confirmation Steps in Linux environment After checking the FC cable
191. t value in the Password box IMPORTANT Saving the user name and or the password can lead to allowing access to anyone 4 Click Options The login window is expanded as shown which allows you to configure the behavior after login NOTE For details see SnapSAN Manager User s Manual Parameter Description Save Messages toaLog Allows to saves messages to a log file File Display Maintenance If this option is selected an error warning in Status underlying component will be escalated to higher layer even if there is no affect to the operation Logical Disk View Order Select Number to view the logical disks sorted in logical disk number order Select Name OS Logical Disk Name to view the logical disks sorted in OS Type and logical disk name order 10400386 001 07 2012 2012 Overland Storage Inc 42 14 SnapSAN 3000 5000 User Guide Configuring IP Addresses by Using Network Setting Tool 5 Click Login to open the main screen 10400386 001 07 2012 2012 Overland Storage Inc 42 15 overland storage Chapter 3 Initializing an FC Disk Array Overview This chapter describes how to initialize a disk array configured for Fibre Channel FC connections To set FC connection first in a disk array configured for both FC and iSCSI connections do the procedure in this chapter and then see Initializing a Disk Array iSCSI to make the settings To set iSCSI connection first see Initializing a Disk Array
192. t view is displayed The List view displays a list of physical disks available to bind a spare Select the specified check box of the physical disk for which hot spare will be bound View Click this tab for the visual display of physical disks available to bind a spare Select the specified check box of the physical disk for which hot spare will be bound Pool list Select a physical disk to create a hot spare When you select the physical disk for hot spare binding Enabled is displayed under the Enable Hot Spare field of the Pool list Pools that are enabled by a newly bound hot spare are shown in bold Enable the copy back mode Select this option to enable copy back mode When a faulty disk is replaced by a new disk copy back mode automatically copies back the data to the new disk Perform the following steps to bind a hot spare 1 Select one or more physical disks for hot spare binding When you select the physical disks pools with Enable Hot Spare are displayed in bold letters CAUTION For slots having no physical disks the slot names and check boxes are grayed out in the view display and the slots are not listed in the list display For physical disks for which a pool has been bound the check boxes are grayed out in the view display and the disks are not listed in the list display 2 Click Set to display the following confirmation message 3 Click Yes to perform hot spare binding When the hot spare binding is c
193. ta loss If a loss of data in caches has been experienced and then the disk array controller is powered on the Service LED on the disk array controller repeats flashing for four seconds and then not lit for eight seconds Follow the steps below to start the disk array system Step Operation 1 Perform power off according to the steps in Section Powering Off the Disk Array System 2 Perform power on according to the steps in Section Powering On the Disk Array System e If the disk array system does not start up successfully it may be failing e Performance of the disk array system degrades until battery charging is complete which takes a maximum of eight hours 3 When the snapshot function is used If the snapshot function is used updated information is copied from disk drives to the cache memory when the disk array controller is started Because of this the disk array controller s start up time is delayed by 10 seconds per 1 TB of the updated information Power Control Systems without using Power Switches Control systems described here are supported only in the SnapSAN 5000 Conirol Systems Table 1 12 About Control Systems describes power control systems that do not use power switches Control system Host OS Feature ESMPRO AC Windows This control system uses a server for power Works together with UPS Linux control which can be associated with hosts For details see ESMPRO AC manual 1
194. the IP address subnet mask and default gateway 7 Connect to the disk array controller Use a 10 Gbps or 1 Gbps cable to connect the application server to the host port HP connector of the disk array controller e Unit equipped with 10Gbps iSCSI 2port controllers 10 Gbps cable Connector shape LC connector NOTE FC cable can be used e Unit equipped with 1Gbps iSCSI 2port controllers 1 Gbps cable 2012 Overland Storage Inc lt 4 F 2 SnapSAN 3000 5000 Disk Array User Guide Initializing Application Server Connector shape RJ 45 connector NOTE CATG LAN cable is recommended Either straight cable or crossover cable can be used For a sample connection configuration see Appendix L iSCSI Connection Configuration Examples The following shows the positions of the host ports Figure F 2 Unit with 1Gbps iSCSI 2port Controllers The following shows an example of a 10 Gbps iSCSI connection redundant path configuration in combination with Path Manager To implement the following recommended example two NICs must be installed in the application server and two 10 Gbps cables are needed to connect the disk array controller and NICs Use a 10 Gbps cable to connect the NIC to the host port HP connector of the disk array controller The 10 Gbps cable has the same connector shape on both ends 10400386 001 07 2012 2012 Overland Storage Inc lt 4 F 3 SnapSAN 3000 5000 Disk Array User Guide Initializing A
195. there are two or more IP addresses succeeded to log on execute the iscsiadm command repeatedly to each IP address service iscsi stop iscsiadm m node o delete p lt target IP addresss succeeded to log on in step 1 gt service iscsi start 3 Select the IP address of another disk array by iSCSI Setup Tool and configure the iSCSI setting 4 Execute the following command If there are two ore more IP addresses succeeded to log on use the first IP address specified in step 2 iscsiadm m discovery t sendtargets p lt target IP addresss succeeded to log on in step 1 gt 2012 Overland Storage Inc lt E 11 SnapSAN 3000 5000 Disk Array User Guide Checking Connection from Application Server 5 Execute the following commands iscsiadm m node targetname lt target name specified in step 1 gt p lt target IP addresss succeeded to log on in step 1 gt op update n node session auth authmethod v CHAP iscsiadm m node targetname lt target name specified in step 1 gt p lt target IP addresss succeeded to log on in step 1 gt op update n node session auth username v lt initiator name gt iscsiadm m node targetname lt target name specified in step 1 gt p lt target IP addresss succeeded to log on in step 1 gt op update n node session auth password v lt CHAP password for the initiator gt 6 f you use mutua
196. tic information history file These accumulated statistic information history files can be analyzed by the Performance Analysis Supporting Tool CLI and GUT Application Server Performance ARRAYI Monitoring Screen ARRAY2 PerformanceMonitor Performance Monitoring Client Operation LAN Administrator Figure 7 1 Performance Analysis Supporting Tool The following program product enables to utilize the performance information accumulated by Performance Monitor and also analyze the storage performance from different angles e AutoTune 10400386 001 07 2012 2012 Overland Storage Inc 47 1 SnapSAN 3000 5000 Disk Array User Guide Operation of Performance Monitoring Function Operation of Performance Monitoring Function This section describes operations of the performance monitoring function The performance monitoring function is operated in the flows shown below OPERATION FLOW 1 Installation Installing performance monitoring function Installation of the performance monitoring function is accompanied by installing iSM at the same time 2 Specifying targets of monitoring performance in real time For defining the targets of monitoring performances specify disk array ports logical disks and physical disks composing logical disks used in operations requiring responsibility such as online processing Also specify monitoring items among those allowed for real time monitoring I O Den
197. toring Overloads and Statistic Information Analysis Supporting Displaying Load Status in Real Time This function is capable of displaying the latest load state and usage of the disk array and disk array components The information is displayed upon the iSM client screen on the real time basis The function which can monitor performances of multiple disk arrays allows centralized monitoring on the same view of one iSM client When storage performance decreases or symptom of a trouble is seen use this function to display the performance information of disk array and disk array components and identify the cause of decreased performances or a fault For details on components composing disk array refer to the Configuration Setting Tool User s Manual GUI and Cache Partitioning User s Manual The Performance Monitoring screen on the iSM client is capable of displaying the index values for each component type shown in A 1 Performance Data Displaying in Real Time Displays the latest load status in numerical values 10400386 001 07 2012 2012 Overland Storage Inc 47 3 SnapSAN 3000 5000 Disk Array User Guide Function Overview Displays the latest load state in bar graphs Displays the latest load state in time series graphs You can set the update frequency Display Refresh Rate of display on the Numeric Table and the Time series Graph at environment setting You can also change the setting from the iSM server me
198. tware Initiator e Connect the service console to an iSCSI network only when with ESX Server 3 Create a VMKernel port for iSCSI Software Initiator 1 Login to VI Client 2 After selecting a server from the Inventory panel click the Network button for the configuration This opens the Hardware Configuration page Click Add network Select VMKernel in the Connection Type screen of the Add Network Wizard and then click the Next button NOTE With ESX Server 3i the Service Console option is not shown in the wizard screen 5 In the VMKernel Network Access screen of the Add Network Wizard select the vSwitch to be used or select Create Virtual Switch Next select the check box for the network type used by vSwitch and then click the Next button 6 Under Port Group Properties in the VMKernel connection setup screen of the Add Network Wizard select or type a network label and VLAN ID For the IP setting enter the IP address and subnet mask After completing the settings click the Next button e Network Label This name identifies the port group being created When using this name to configure a VMKernel service such as Vmotion or IP storage this label specifies the virtual adapter to connect to the port group e VLAN ID This identifies the VLAN used for the port group s network traffic A VLAN ID is not required Check with the network administrator to determine whether or not this must be set 1 A warning alarm is output if
199. utual CHAP authentication For description of CHAP authentication refer to Appendix O CHAP Authentication CAUTION The CHAP Secret can be specified as any string of 12 to 16 alphanumeric characters as well as amp _ Letters are case sensitive For security password text strings are indicated as dots or other symbols Mutual CHAP authentication is also described in SnapSAN Manager Embedded as Bidirectional CHAP authentication NOTE For description of CHAP authentication refer to Appendix O CHAP Authentication CAUTION The Target Secret that is set here is a password that a target uses to authenticate an Initiator This password is also required for settings on the disk array side see Section 13 2 21 iSMcfg setidsetchap in the SnapSAN Manager Command Reference so be sure to write it down so it is not forgotten 10400386 001 07 2012 2012 Overland Storage Inc lt 4 cC 10 Checking Connection from Application Server SnapSAN 3000 5000 Disk Array User Guide Additional host port registration 1 Click the OK button 2 Log On to Target Screen 3 To register additional disk array host ports click the Log On button and then perform steps 6 to 8 for each port to be registered 4 After the host port settings have been registered click the OK button 10400386 001 07 2012 2012 Overland Storage Inc lt 4C 11 overland storage Append o Linux FC SAS Application Server This appendix p

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