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Diamond Storage Array VT-Class

1. The simplest way to set up Virtual Tape configurations is to use the ExpressNAV interface See ATTO ExpressNAV Browser based Interface on page 23 for more information If you use the CLI the command QuickTape sets up Virtual Tapes using the following format set QuickTape RAID5 RAID10 tape volumes tape drives enabled Barcode Prefix gt Hot Spares are not available for all Virtual Tape configurations You must designate enabled to allow Hot Spare sleds or disabled to forgo Hot Spare sleds Refer to and Optional Hot Spare Sled on page 50 for more information and examples You may specify the first four to six alpha numeric characters of a tape bar code used by 49 tape backup software The remaining four characters will be entered by the system automatically to identify the tape number eX Note The maximum number of tape volumes and tape drives for RAID Level 5 is 30 The maximum number of tape volumes and tape drives for RAID Level 10 is 15 Configuration examples RAID Level 10 with Hot Spare sleds set QuickTape RAID10 15 1 enabled SaveConfiguration Restart The Diamond VT will be configured into RAID Level 10 with one tape drive 15 tape volumes and two Hot Spare sleds RAID Level 5 and no Hot Spare sled set QuickTape RAID5 30 2 SaveConfiguration Restart The Diamond VT will be configured into RAID Level 5 with two tape drives and 30 tape volumes ATTO Technology Inc Diamond Storage Array In
2. tape volumes tape drives enabled barcode prefix Requires a SaveConfiguration command Get syntax get QuickTape RAID5ClearData To Zero all drives and parity to make newly created RAIDS groups coherent The parameter ALL clears data on all RAIDS groups present in the system Must be used at initial configuration to ensure parity is valid for all drives in the RAID Level 5 group by setting all data and parity to zero Takes all LUNs offline automatically then brings them online The operation takes 3 6 hours depending on drive capacity Do not interrupt this process This is a destructive operation all information on these drives is lost Applies to RAIDS only Set syntax RAID5ClearData ALL LUN Get syntax DriveCopyStatus or RAID5ClearDataStatus RAID5ClearDataStatus Displays the status of RAID5 Clear Data processing S represents the sled number D represents the drive number Applies to RAIDS only Set syntax RAID5ClearDataStatus RAlDInterleave Specifies the Interleave size in 512 byte blocks between members of a RAID group SPAN indicates that the interleave size between drives in the group is the minimum drive size of all members in the group RAIDInterleave options are 16 32 64 128 256 blocks and span Span is not available for RAID Level 5 For 43 RAID Level 10 choices are 16 32 64 128 256 or SPAN For RAID Level 5 choices are 16 32 64 128 256 Default 128 Set syntax se
3. 0 Device 123 Zonelnfo 1234 Zone 1234 disabled Host 20 00 00 10 86 00 21 12 IID none Port 0 1 Device 3456 ZonelInfo 1 Zone zonel enabled Host 20 00 00 10 00 00 00 IID none Port 1 Device 12345 A ii ATTO Technology Inc Diamond Storage Array Installation and Operation Manual A viii Appendix D Sample Zoning Command Sequences First time configuration after download QuickRAID under Zoning first time configuration ZoneCommit affect only the planned configuration an all all all configuration in the selected QuickRAID ZoneCommit sets the Planned Configuration into the configuration All zone commands except Active Configuration ZoneClearAll Clears any previously defined zones ZoneCommit Sets the new zoning configuration Simple configuration 2 hosts Hosts can use different operating systems All planned configuration ZoneCommit sets the Planned zone commands except ZoneCommit affect only the Configuration into the Active Configuration ZoneClearAll Clears any previously defined zones from the planned configuration ZoneCreate zone 1 Creates a zone named zone 1 ZoneAddHost zone 1 20 00 00 10 86 00 01 34 Adds host WWPN to zone 1 ZoneAddDevice zone 1 1 4 Adds LUN 1 and 4 to zone 1 ZoneAddPort zone 1 0 LUN 1 and LUN 4 will be available through HIC 0 for only the host in zone 1 ZoneCreate zone 2 Creates a zone named zone 2 ZoneAddHost zone 2 20 00
4. 3 The array resumes I O operations To remove zones 1 Remove the named zone Type ZoneRemove zone name 2 Type ZoneCommit to commit this Planned Zone Configuration to become the Active Zone Configuration To change current zones CAUTION Be careful when changing Diamond VT zoning configurations Internal validation logic cannot detect misconfigurations 3 Type Zonelnfo Planned to determine the status of a Planned Zone Configuration 4 Type Zonelnfo to determine the status of an Active Zone Configuration 5 If necessary type ZoneRetrieve to overwrite the Planned configuration with the current Active configuration 6 Create or delete named zones as outlined above 7 Addor delete devices hosts and ports as outlined above 8 ZoneCommit to make this Planned Zone Configuration the Active Zone Configuration Other operations To disable a zone type ZoneState zone name disabled Toclear the Planned Zone Configuration of all entries type ZoneClear All Torestore the Diamond VT to factory default type ZoneClearAll ZoneCommit Errors Zone definition tables The Zone commands manage entries in the Zone definition tables which manage the overall zoning process Definition tables are indexed by unique keys zone name definition tables are repositories for their respective data and participate in establishing the configuration by executing the ZoneCommit command The integrity of these
5. 4 Technical overview 3 0 Installation Instructions If you are familiar with the Diamond VT Fibre Channel SCSI and RAID configurations you may set up and configure the Diamond VT using these instructions Find details illustrations and other guidance for more involved operations and special cases in the rest of this manual A CAUTION Before configuring the Diamond VT ensure that any computer data to be stored on the array is properly backed up and verified The operation and storage of computer data on any disk storage array should be accompanied by a regular program of computer data backups and verification for the data stored on such an array The Manufacturer is not responsible for the loss of any data stored on the Diamond VT under any circumstances and any special incidental or consequential damages that may result thereof Three major steps are required to set up the Diamond VT 1 Physically set up Diamond VT 2 Connect to Ethernet 3 Configure Virtual Tape Step 1 physical setup 1 sure the Diamond VT is mounted properly and has adequate air flow around it 2 Insert the appropriate connector into the interface card in the back of the Diamond VT 3 Connectthe Fibre Channel or SCSI cable from your host computer system to the connector To use ExpressNAV browser based management interface and configure your Diamond VT you must connect to the Ethernet port 4 Tosetup the Ethernet connection conne
6. DriveCopyResume Destination Sled Destination Drive Get syntax DriveCopyStatus DriveCopyStatus Displays the status of a DriveCopy DriveWipe or RAIDSClIearData operation Immediate command DriveCopyStatus Drivelnfo Displays information about all disk drives or detailed information about a specific disk drive Detailed information about an individual drive is obtained by supplying a drive identifier For examples see Diagnostic Commands on page 39 Get syntax Drivelnfo sled ID drive ID DriveSledPower Gets sets power to the specified drive sled Sled must be offline Default on Set syntax set DriveSledPower sled number onloff Get syntax get DriveSledPower sled number ATTO Technology Inc Diamond Storage Array Installation and Operation Manual DriveWipe Initializes a drive wipes it of all data Drive must be offline Set syntax DriveWipe Destination Sled Dest Drive Requires a SaveConfiguration Restart command Get syntax DriveCopyStatus ECC Specifies or displays whether ECC is enabled or not If ECC is not available an ECC invalid message will be returned Default enabled Set syntax set ECC enabled disabled If enabled SaveConfiguration Restart command required If disabled SaveConfiguration command required Get syntax get ECC IdeTransferRate Sets the DMA mode transfer rate for all devices Choices 0 1 2 3 4 Default 4 Set syntax set IdeTransferRate 0 1 2 3
7. FcPortInfo ATTO Technology Inc Diamond Storage Array Installation and Operation Manual FcPortList Lists the status of all available Fibre Channel ports Immediate command FcPortList FcPortName Returns the Fibre Channel port name stored in NVRAM for this Fibre Channel port Get syntax get FcPortName port number FcScsiBusyStatus Specifies the SCSI status value returned when the Diamond is unable to accept a SCSI command because of a temporary lack of resources Default busy Actions set FcScsiBusyStatus busy qfull Requires a SaveConfiguration Restart command Get syntax get FcScsiBusyStatus FcWWName Sets or view the Word Wide Name WWPN of the referenced Fibre Channel port The WWPN is a unique 8 byte number that identifies the port on a Fibre Channel network Only the three least significant bytes of the WWPN can be modified Fabric and loop operations are unpredictable 1f duplicate WWNS are assigned Default 20 00 Ox where x is for 0 for port 0 1 for port 1 Set syntax set FcWWName PortNumber 0 1 Requires a SaveConfiguration Restart command Get syntax get FCWWName PortNumber 0 1 36 CLI Fibre Channel 6 5 Serial Port Configuration Commands The serial port configuration may be customized by using the following commands SerialPortBaudRate Sets the baud rate the Diamond Storage Array uses for its terminal interface Choices are 2400 9600 19200 38400 57600 115200 Default 115200
8. GBIC DB9 copper AMP 788615 1 1Gb FC GBIC DB90 000 GBIC SW SC cnctr Class 1 laser rated 1Gb FC GBIC SWFO 000 Connector SFP optical Class 1 laser rated 2 Gb FC SFP2 0000 000 Terminator 68 pin VHDCI TERM V68E 002 All parts UL recognized A xiv Appendix H Warranty Manufacturer limited warranty Manufacturer warrants to the original purchaser of this product that it will be free from defects in material and workmanship as described in the ATTO Technology website www attotech com Manufacturer liability shall be limited to replacing or repairing at its option any defective product There will be no charge for parts or labor should Manufacturer determine that this product is defective Products which have been subject to abuse misuse alteration neglected or have been serviced repaired or installed by unauthorized personnel shall not be covered under this warranty provision Damage resulting from incorrect connection or an inappropriate application of this product shall not be the responsibility of Manufacturer Manufacturer s liability is limited to Manufacturer s product s damage to other equipment connected to Contact ATTO Technology Inc Manufacturer s product s will be the customer s responsibility This warranty is made in lieu of any other warranty express or implied Manufacturer disclaims any implied warranties of merchantability or fitness for a particular purp
9. Routing Fabric DRF and ATA Interface Engines AIE smoothly and efficiently organizes Fibre Channel data streams for storage or retrieval on ATA disk drives ADXT provides end users with the power and sophisticated data control needed to take moderately priced ATA disk drives combine them in a disk storage array and power them to the performance levels of SCSI or Fibre Channel disk arrays Unlike other storage arrays which use expensive SCSI or Fibre Channel disk drives to achieve performance the Diamond Series uses lower cost ATA disk drives combined with an intelligent midplane to create a storage array with exceptional price and performance characteristics Disk features and standards ATA disk drives are used in the enormous PC marketplace and an estimated 8596 of all disk drives sold today contain an ATA interface Shipments of ATA drives are expected to grow rapidly over the next five years with increasing consumer and business demand In general ATA disk drives are the driver of all disk storage technology as the costs volumes and demands of the PC marketplace are the primary focus of the world s largest disk drive manufacturers ATA disk drives today offer capacities comparable to SCSI and FC disk drives although at a tremendously lower cost Advances in platter and head technology will push drive capacity along a very steep curve in the next five years The chart below summarizes ATA and other disk interface standard
10. See Exhibit 9 2 2 for a list of configurations which will be changed 3 FirmwareRestart or cycle power of the Diamond VT 63 4 Rebootthe host PC after the Diamond VT completes its power on cycle Factory Default Resetting the Diamond VT to factory defaults is a last ditch effort to recover from corrupt configurations or complete failure data will be lost Note Using RestoreConfiguration default or RestoreConfiguration factory default will not affect the zoning configuration To restore the Diamond VT to factory default type ZoneClearAll ZoneCommit To reset to Factory Defaults firmware version 2 5 3 or higher 1 Connect to Diamond VT services via the RS 232 port or the optional Ethernet management services card see Accessing the Diamond VT on page 15 You should now be in Command Line Interface 2 Continue with the CLI or access the ExpressNAV interface see ATTO ExpressNAV Browser based Interface on page 23 Note Because the ExpressNAV pages take you through this process easily the following instructions are based on the CLI commands Use these instructions as a guide in ExpressNAV 3 TypeRestoreConfiguration factorydefault to reset the system configuration See Exhibit 9 2 2 for a list of configurations which will be changed 4 Type FirmwareRestart or cycle the Diamond VT power 5 Reboot the host PC after the Diamond VT completes its power on cycle ATTO Technology Inc Di
11. The Diamond VT will be configured into RAID Level 5 with two tape drives 30 tape volumes and two hot spare sleds 50 Hot swap spare sled 7 3 Zones Zoning is a collection of related Diamond VT capabilities supporting flexible Diamond configuration management configurable via CLI commands in the Command Line Interface mode or in the Advanced CLI Configuration page in the ExpressNAV interface Zoning supports security by granting or denying access between initiators and devices as defined by an administrator A zone is a collection of devices which can access each other The devices in a zone usually include one or more initiators one or more devices and one or more paths between the initiators and the devices To set up zones use the Command Line Interface see Accessing the Diamond VT on page 15 or the Advanced CLI page in the ExpressNAV interface Zone CLI commands only take effect after you enter the ZoneCommit command The individual elements are referred to as device lun host name port number and zone name as defined in Exhibit 7 3 1 Exhibit 7 3 1 Definitions of zone configuration entries device lun The LUN of the RAID drive host name In a Fibre Channel environment the WWPN in a SCSI environment SCSI Initiator ID port number The Diamond port number 0 1 for the data path zone name Alphanumeric or _ character string less than or equal to 16 characters long Principl
12. firmware in the array via FTP LEDs farthest to the left indicate fault unit ready Host Interface cards A and B installation status and the power status for each power supply To the right of the system management card are individual disk drive sleds which also have LED indicators for each drive s status Each sled contains two hard drives Up to 24 hard drives may be installed on the 12 sleds Empty bays should be covered by blank faceplates or filled with empty sleds to promote effective cooling Access is provided by loosening two screws and pulling on the sled handle In the rear of the unit are the blower assemblies which support hard drive cabinet and power supply cooling Correct operation is displayed by a LED at the top of each panel The blowers are held in place by removable screws Power supplies The power supplies for the Diamond VT are accessible by loosening two screws and pulling on the power supply module handle The power standby on off switch is at the top of each module A yellow LED indicates caution and a green LED System Management Card Intelligent midplane internal Disk drive sleds 12 Host interface cards Blower assemblies gt 10090905 Cate etetetcce 95009690 2 2 2 indicates on The power cord socket is at the bottom of each power supply Between the power supplies and blower assemblies are two slots that hold the Host Interfac
13. not control I O access until it is transformed into the Active Zone Configuration via successful completion of the ZoneCommit command Other than as a site for zone configuration editing the Planned configuration has no impact on the Active configuration or the Diamond VT Changes to the Planned configuration may be made without considering synchronization with other configuration commands Use the ZoneClearAll command to clear the Planned configuration If while working in the Planned configuration you decide you want to negate that configuration and edit the Active configuration use the ZoneRetrieve command The information from ATTO Technology Inc Diamond Storage Array Installation and Operation Manual the Active configuration will be copied into the Planned configuration To determine what is in the Planned configuration type Zonelnfo Planned Active configuration is persistent and establishes the Diamond zoning configuration after power up The Planned configuration becomes the Active configuration after successful execution of the ZoneCommit command The Active Factors to consider Several factors must be considered when configuring a Diamond VT with zones Becareful when changing Diamond VT zoning configurations Internal validation logic cannot detect misconfigurations The Diamond VT zoning may be driven by external applications which handle considerations such as aliasing of parameters Stopping
14. 00 60 00 00 12 34 Adds host WWPN to zone 2 ZoneAddDevice zone 27 Adds LUN 7 to zone 2 ZoneAddPort zone 2 1 LUN 7 will be available through HIC 1 for only the host in zone 2 ZoneState zone 1 enabled Enables zone 1 ZoneState zone 2 enabled Enables zone 2 ZoneCommit Sets the Planned Zoning Configuration into the Active configuration No other LUNs will be available to any host Symmetric Model 1 host 1 switch All host ports travel through a switch commands except ZoneCommit affect only the to both Diamond ports Zoning is not required since planned configuration ZoneCommit sets the Planned there is no reason to restrict host HBA Port access All Configuration into the Active Configuration ZoneClear all Clears any previously defined zones from the planned configuration ZoneCommit Copies what is in the Planned Zoning Configuration to the Active Configuration in this case clears any previously defined zones A ix ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Asymmetric Model 3 hosts 1 metadata controller also a host RAID 5 with 3 LUNs All zone commands except ZoneCommit sets the Planned Configuration into the Active Configuration affect only the planned configuration ZoneCommit ZoneClearAll ZoneCreate zone_1 ZoneAddHost zone_1 20 00 00 10 86 00 01 34 ZoneAddHost zone_1 20 00 00 10 10 10 86 01 ZoneAddDevice zone_1 1 2 ZoneAddPort zone_1 0 Z
15. ATA to New Levels The original notion of RAID was to build high capacity reliable storage subsystems using large numbers of inexpensive disk drives Thus its original definition Redundant Array of Inexpensive Drives Over time that definition became Redundant Array of Independent Drives and the inherent cost advantage in a RAID system was lost The Diamond Series provides a high capacity high performance and highly reliable disk array that uses the merged power of many inexpensive ATA disk drives Intelligent Midplane The heart of the Diamond Series storage array is the intelligent midplane with ADXT to sum or aggregate the data rates of individual ATA disk drives to create high data transfer rates This technology enables features such as serverless backup advanced error protection metadata storage techniques virtualization software thermal management and advanced enclosure services The midplane contains a combination of custom Application Specific Integrated Circuits ASICs processors and proprietary embedded software It is divided into three main processing sections which handle the data being read or written to the ATA disk drives from the Fibre Channel or SCSI host interfaces The Virtual Device Manager VDM Data Routing Fabric and ATA Interface Engines AIE organize data streams for storage or retrieval Virtual Drive Manager Data is accessed through Virtual Drives using an implementation of the standard S
16. Channel or SCSI Host Interface Card may be replaced by shutting power down removing any cable attached to the port removing the GBIC or SFP according to manufacturer s instructions loosening the screws at the top and bottom of the card then carefully pulling out the unit Exhibit 10 2 Above disk drive sled partially pulled out of the Diamond Storage Array Bottom left top of disk drive sled Bottom right underside of disk drive sled showing individual drives Exhibit 10 4 A power supply pulled out from a rackmount Diamond Storage Array do not leave an empty opening while the Diamond Storage Array is operating Access the blower assembly and the power supply by loosening the screws on either side of the component then pulling out the part If a blower or power supply stops working keep it in place until another component is installed Note host interface configuration pictured is not supported 68 Hardware maintenance 10 1 Hot Swap Operating Instructions To maintain array up time individual disk drive sled assemblies power supplies and blower assemblies can be replaced with the unit fully operational Special instructions need to be followed to perform these operations Disk Drives CAUTION Individual disk drive sled assemblies may be replaced while the array is operating with no other intervention only if there is absolutely no activity on that drive Failure to ensure no activity may destroy any data on
17. Ethernet network If DHCP 15 enabled the assigned subnet mask for the unit will be displayed Setting this value always modifies the internal NVRAM value of the IP Subnet Mask If IPDHCP 1s enabled see above get command reports current subnet mask assigned by DHCP server Default 255 255 255 0 Set syntax set IPSubnetMask Get syntax get IPSubnetMask Requires a SaveConfiguration command SNMPTrapAddress Sets up IP trap address and trap level Default 10 0 0 1 Set syntax set SNMPTrapAddress Index 1 6 Address XXX XXX XXX XXX Level Critical Warning All None Requires a SaveConfiguration Restart command Get syntax get SNMPTrapAddress SNMPTraps Enables or disables SNMP traps Default disabled Set syntax set SNMPTraps enabled disabled Requires a SaveConfiguration Restart command Get syntax get SNMPTraps SNMPUpdates Enables or disables the SNMP Management Information Base MIB database Default disabled Set syntax set SNMPTraps enabled disabled Requires a SaveConfiguration Restart command Get syntax get SNMPUpdates TelnetPassword Specifies password for telnet session Only one username password combination is available per Diamond Storage Array RestoreConfiguration default sets the telnet username and password to the default values Password is case insensitive 1 to 8 characters Default diamond Set syntax set TelnetPassword password Get syntax none
18. Fibre Channel 17 I O details 4 2 Serial Port Access 19 4 3 Ethernet Access Telnet and SNMP Protocols ATTO Technology Inc 5 0 ATTO ExpressNAV Browser based Interface 23 Browser compatibility Opening an ExpressNAV session Navigating ExpressNAV 5 1 ExpressNAV Pages 25 Status Ethernet SNMP Serial Port Fibre Channel Storage Management RAID Clear Data Logical Units Partitions Zoning Tape Volumes Tape Drives Move Medium Rebuild Configuration Advanced Restart Help 6 0 CLI Interface via ASCII based Commands 27 6 1 Summary of CLI Commands 29 6 2 General Use Commands 32 FirmwareRestart Help RestoreConfiguration SaveConfiguration SystemSN VerboseMode ZoneCommit 6 3 Ethernet Commands 33 EthernetSpeed Exit FTPPassword IPAddress IPDHCP IPGateway IPSubnetMask SNMPTrapAddress SNMPTraps SNMPUpdates TelnetPassword TelnetTimeout TelnetUsername TelnetUsername Diamond Storage Array Installation and Operation Manual 6 4 Fibre Channel Configuration Commands 6 5 Serial Port Configuration Commands 6 6 Maintenance Services Commands FcConnMode FcDataRate FcFairArb FcFrameLength
19. If the Diamond VT is attached to a DHCP server 1 Atthe Ready prompt after POST see Step 6 above type set IPDHCP enabled 2 SaveConfiguration Restart 3 At the Ready prompt after POST see above type get IPAddress 4 Enterthis address into your browser The ATTO ExpressNAV screen appears Log in using the Telnet defaults Username Telnet Password Diamond ATTO Technology Inc Diamond Storage Array Installation and Operation Manual 6 Follow the screens to find information about the array or to configure the array from the factory default settings The Diamond VT may be set up in a RAID Level 5 or RAID Level 10 configuration with or without Hot Spare sleds and or set up in a zoned configuration If the Diamond VT is not attached to a DHCP server and you wish to change the defaults 1 Atthe Ready prompt after POST see above type set IPAddress desired IP address 2 set IPSubnetMask desired IP Subnet Mask 3 Type set IPGateway desired IP Gateway 4 Type SaveConfiguration Restart to save the configuration and restart the Diamond VT 5 After the powerup and POST complete type the IP address from step 1 above into your browser 6 The ATTO ExpressNAV screen appears After logging in refer to Step 2b connect to Ethernet Step 5 on page 5 follow the screens to find information about the array or to configure the array from the factory default settings The Diamond VT may be set up in a
20. RAID level you choose See Virtual Tape on page 49 Hot Spare sleds In most configurations if a member of a virtual device becomes degraded you must swap out the faulted sled as defined in Hot Swap Operating Instructions on page 69 If you have not enabled AutoRebuild you must also start a manual rebuild However you may designate Hot Spare sleds as replacements for faulted sleds without intervention by you or a host These sleds once designated as Hot Spares are not available for other use See Optional Hot Spare Sled on page 50 for more information Zones Zoning is a collection of related Diamond capabilities supporting flexible Diamond VT configuration management configurable via CLI commands in the Command Line Interface or the ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Advanced CLI configuration page of the ExpressNAV interface Zoning supports security by granting or denying access between initiators and devices as defined by an administrator A zone 15 a collection of devices which can access each other The devices in a zone usually include one or more initiators one or more devices and one or more paths between the initiators and the devices Interleave The interleave size sets the amount of data to be written to each drive in a RAID group This is a tunable parameter which takes a single stream of data and breaks it up to use multiple disks per I O interval The
21. Receive ZoneRetrieve Retrieves the Active Zone Configuration into the Planned Zone Configuration to allow modifications of the current configuration Zone syntax ZoneRetrieve 38 CLI maintenance 6 7 Diagnostic Commands Diagnostic commands provide information or diagnostic tools for Fibre Channel SCSI and Serial port configurations Diamond Storage Array settings and the status of various commands which affect the ATA drives AudibleAlarm Enables or disables the audible alarm in the Diamond Storage Array When enabled an alarm sounds when the Fault LED on the front panel blinks Default disabled Set syntax set AudibleAlarm enabled disabled Get syntax get AudibleAlarm DiamondModel Returns specific Diamond Storage Array model information including firmware release and date Get syntax get DiamondModel DiamondName Used to identify this Diamond over its Fibre Channel and Ethernet networks You may customize the name of each Diamond Storage Array enclosure to distinguish it from other units Maximum eight characters Set syntax set DiamondName name Requires a SaveConfiguration command Get syntax get DiamondName DriveCopyStatus Displays the status of a DriveCopy DriveWipe or RAIDSClearData operation Immediate command DriveCopyStatus Drivelnfo Displays information about all disk drives or detailed information about a specific disk drive Detailed information about an individual drive is obtai
22. Set syntax set SerialPortBaudRate 2400 9600 19200 38400 57600 115200 Get syntax get SerialPortBaudRate SerialPortEcho Controls whether the Diamond Storage Array echoes characters on its RS 232 port Local ASCII terminal or terminal emulator echo settings should be set to disabled while in serialportecho enabled Default disabled Set syntax set SerialPortEcho enabled disabled Requires a SaveConfiguration Restart command Get syntax get SerialPortEcho 37 ATTO Technology Inc SerialPortHandshake Describes which handshaking method the Diamond Storage Array uses for its terminal interface hardware Xon Xoff or none Choices are hardware Xon or none Default none Set syntax set SerialPortHandshake hard Xon none Requires a SaveConfiguration Restart command Get syntax get SerialPortHandshake SerialPortStopBits Configures reports the number of stop bits per character for the Diamond Storage Array RS 232 serial port The number of data bits per character is fixed at 8 with no parity Choices are 1 or 2 stop bits Default 1 Set syntax set SerialPortStopBits 1 2 Requires a SaveConfiguration Restart command Get syntax get SerialPortStopBits 6 6 Maintenance Services Commands Maintenance commands allow updating and maintenance of the Diamond VT FcScsiBusyStatus You may set the Diamond to report busy or queue full when it is unable to accept a command Default Busy Set syntax set FcScs
23. VT under any circumstances Empty openings affect airflow and may cause the unit to overheat and shut down WARNING The only way to completely de energize the unit is to turn off both power supplies and unplug both power cords from the back of the unit Turning the power switch to the Stand by position on one power supply does not completely turn off power to the Diamond VT it is not an AC on off switch Power may still be in the unit through the other power supply Power Switch Positions c2 Stand by CAUTION All modular components must be replaced by qualified personnel only Use a static wriststrap when handling any of the cards inside the Diamond VT Components are electrostatic sensitive Use proper grounding methods when working with or around the Diamond VT Always store spare components in proper ESD containers when not in use The power supply and blower assembly may be replaced while the unit is running See Hot Swap Operating Instructions on page 69 Hostinterface cards and management cards may only be replaced when the Diamond VT is off Backup the unit fully before replacing these components You may remove a disk drive sled while the Diamond VT is powered on See the instructions in Hot Swap Operating Instructions on page 69 for details Management card To remove a management card power down both power supplies loosen the screws holding the card in place pull out the 67 E
24. about any aspect of operating the Diamond VT contact technical support Windows 2000 special instructions When using Windows 2000 and booting up the Diamond VT for the first time the New Hardware screen may ask for a driver While a driver is not necessary install a dummy driver to eliminate the screen s appearance Download AttoDM2k zip from www attotech com unzip it and install the driver according to the instructions in AttoDM2k pdf Error Messages System Fault LED If a serious hardware or software error occurs in the Diamond VT the System Fault LED will display a series of flashes or blink codes an initial series of blinks indicate a system problem Number of blinks Problem area 1 20r3 processor or memory 4 Fibre Channel interface 5 SCSI interface 7 Fibre Channel connection 8 general internal processing 9 SCSI Enclosure Services atwo second pause another series of blinks providing more detailed information for technical personnel afour second pause sequence repetition from step 1 until the error is cleared In general any fault will require notification of Diamond Array technical personnel for resolution or for further debug instructions When you report an error code please provide both the first and second blink code values During a fault condition more detailed information about the fault may be available via the CLI or the ExpressNAV interface over the RS 232 interface port or the
25. always the number 1 disk drive sled 69 4 The Drive Sled Number identified in step 2 is the SledNum variable to be entered into the CLI commands Take the disk drive sled offline by entering the following CLI commands at the control computer Ready prompt Set AtaDiskState SledNum 1 OFFLINE Set AtaDiskState SledNum 2 OFFLINE Set DriveSledPower SledNum OFF A CAUTION a Hot Spare configuration a drive sled should only be taken offline if there is absolutely no activity on that drive If there is any activity the rebuild of the Hot Spare sled may be flawed 5 Wait 30 seconds for the disk drive sled to spin down and complete any remaining I O activity 6 Unscrew the two screws on the disk drive sled with the appropriate tool 7 Carefully pull the disk drive sled out of chassis using its handle 8 Mark or tag the disk drive sled with the Diamond Array serial number the date removed and its slot number 9 Place the disk drive sled an appropriate ESD container or bag 10 Install the replacement disk drive sled into the array chassis using proper ESD control steps and with the proper orientation The disk drive sled assembly is keyed and can only be inserted one way 11 Tighten the two screws on the disk drive sled with the appropriate tool 12 If you do not have AutoRebuild enabled using the disk drive sled number identified in step 2 on the control computer Ready prompt type ClearDiskReservedArea
26. default sector interleave in RAID Level 10 is 128 blocks 64k The default sector interleave in RAID Level 5 is 256 blocks 128k The CLI command RAlDInterleave allows you to change the size of the sector interleave between RAID groups The value will depend upon the normal expected file transfer size If the normal file transfer size is large the interleave value should be large and vice versa The value entered for the RAlDInterleave command refers to blocks of data one block is equivalent to 512 bytes of data Valid entries are 16 32 64 128 256 and SPAN SPAN not available in RAID Level 5 indicates that interleave size between the drives in the group will be the minimum drive size of all members in the group Enhancing performance SpeedWrite enabled by the CLI command SpeedWrite improves the performance of WRITE commands 48 Configure drives T 1 Virtual Tape When the Diamond VT is configured as a Virtual Tape it is divided into several tape volumes based on your choice and the RAID level you choose Virtual Tape provides increased performance by reducing the time needed to backup and restore data Virtual Tape volumes reside on Virtual Drives The Diamond VT appears to hosts as a tape library allowing ISV packages to issue a set of tape library commands to perform backup and restore operations to the Diamond VT The underlying storage used for Virtual Tape is specified using the QuickTape command
27. drive sleds and host interface cards PEZ n 5 nana 1 The Diamond VT is operating system independent and supports all popular computer hardware platforms and network environments Two interface options are available a 2 gigabit Fibre Channel interface and an Ultral60 SCSI interface The Diamond VT is a fully populated turnkey solution with drives pre installed It is fully supported by a highly trained customer service and engineering staff The Diamond VT uses Aggregated Data Transfer Technology ADXT to merge the performance of multiple ATA drives to achieve sustained full bandwidth data transfer rates ADXT provides end users with the power and sophisticated data control needed to take moderately priced ATA disk drives combine them in a disk storage array and power them to the performance levels of SCSI or Fibre Channel disk arrays Diamond VT features Upto 7 2 Terabytes initial configuration expandable with future drive technology Supports most major operating systems and ISV software applications Configurable up to 30 Virtual Tape Drives ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Aggregated Data Transfer Technology ADXT for high performance scalability Ultra ATA 100 megahertz Mhz RAID Level 10 and RAID Level 5 configurable Zoning capability compatible with third party servers switches and with deliv
28. drives Floor Mount Dimensions Height 524mm 20 62 3U Width 137mm 5 39 Depth 595mm 23 42 Approximately 42 kg 92 pounds fully loaded with 24 drives A xii Appendix Appendix F Product Safety Safe handling of the Diamond VT will help protect its components as well as the people working with them Radio and television interference The Diamond VT is heavy 92 pounds for the floor model 86 pounds for the rack mount system Two people will be needed to move it safely Mechanical shock and energy hazards are present through the system if one or more of the modules is removed There are no operator serviceable components inside the unit except those indicated in Hardware Maintenance on page 67 and Hot Swap Operating Instructions on page 69of this manual CAUTION All modular components must be replaced by qualified personnel only This equipment must be connected to a protective earth ground in accordance with the instructions provided in this guide Improper grounding may result in an electrical shock When the power supply green LED is on the power source is fully operational delivering power to the system The only way to completely disconnect from the system is to remove the AC power cord from the back of the unit from both power supply inputs The switch on the power supply is only a standby switch and does not disconnect the AC from the system A WARNING This equipment has be
29. front of the Diamond VT provides access to the management card and disk drive sleds The Floor model The management system card is at the top front of the case At its center is a DB 9 serial RS 232 port a connection for setup monitoring and upgrade of the unit from any computer system with an RS 232 interface The optional 10 100 BaseT Ethernet management services card enables Telnet based monitoring and management It also provides the ability to update the firmware in the array via FTP LEDs to the port s right indicate fault unit ready host interface cards A and B installation status and the power status for each power supply Below the management system card are individual disk drive sleds which also have LEDs for each drive s status Each sled contains two hard drives Up to 24 hard drives may be installed on the 12 sleds Empty bays should be covered by blank faceplates 7 ATTO Technology Inc Diamond Storage Array Installation and Operation Manual rear of the unit holds the host interface cards power supplies and blower assemblies A CAUTION All modular components must be replaced by qualified personnel only Refer to Hot Swap Operating Instructions on page 69 or empty sleds Access is provided by loosening two screws and gently pulling on the sled handle On the rear of the unit are blowers which support hard drive cabinet and power supply cooling The blowers are held in by removable scr
30. into a telnet or serial port CLI session A text field beneath the box lists the most recent commands issued to the Diamond VT 3 Type SaveConfiguration norestart 4 Click the Submit button Your changes are implemented 5 keep the changes through the next power cycle type FirmwareRestart or go to the Restart page and click Restart Restart Allows you to implement a firmware restart of the Diamond VT Access is via the Restart link on the left side of the page TX Note Restarting the firmware may take a few minutes 1 Click the Restart button A box asks you to wait until the counter gets to 0 and then the browser refreshes 2 Ifthe browser does not refresh after the counter gets to 0 click the link to refresh it manually Help Gives help information about the command line interface commands and troubleshooting tips This page provides links to pages with help text for each category of options and one link to the Troubleshooting Tips and FAQs page on the ATTO website Contact information for getting in touch with ATTO technical support is on the right When you click a red text box on any page ExpressNAV asks for your login information then open a dialog box with help text 26 ExpressNAV 6 0 CLI Interface via ASCII based Commands The command line interface CLI provides access to Diamond VT services through a set of ASCII based commands CLI commands may be entered while in CLI mode or by accessing the A
31. not limited to the implied warranties for merchantability or fitness for a particular purpose Information in this publication is subject to change without notice and does not represent a commitment on the part of Manufacturer Changes may be made periodically to the information herein these changes will be incorporated in new editions of the publication Manufacturer reserves the right to make improvements and or changes at any time in product s and or program s described in this publication 1 0 Diamond Storage Array VT Product Overview The Diamond Storage Array VT Class offers up to 30 Virtual Tape drives and up to 60 virtual tapes in a rack mount or floor model configuration The Diamond VT appears and functions to ISV Independent Software Vender applications as if it were a traditional tape device although it is actually an array of ATA disk drives Virtual tape provides increased performance for restore and backup operations RAID protection of data and compatibility with existing software and backup procedures Virtual Tape can be used anywhere traditional tape is used to augment and enhance existing tape drive library investments With the cost effective approach of using ATA disk drives you can add more storage capacity as your needs grow without the costs of other disk storage technologies You can also improve the performance and capacity of the Diamond VT cabinet as technology progresses by simply replacing disk
32. page in the ATTO ExpressNAV interface provides information and or configuration parameters based on specific topics Each page can be reached through the menu on the left hand side of each page Status General information Unit Information including Vendor ID Product ID Firmware Revision and Serial Number Environmental information World Wide Identifiers including Node Names and Port Names Host Interface Card Status FanStatus Power Supply Status Storage Status including ATA Disk Errors and Logical Unit Conflicts Ethernet Configures the Ethernet port Configurable parameters are P Address P Gateway P Subnet Mask Ethernet Speed Use DHCP See Ethernet Access Telnet and SNMP Protocols on page 21 for details SNMP Remote system monitoring is available using Simple Network Management Protocol SNMP See Ethernet Commands on page 33 for details on each parameter Serial Port Allows you to configure the serial port Configurable options are Baud Rate and Echo See Ethernet Access Telnet and SNMP Protocols on page 21 for more information Fibre Channel Manages the Fibre Channel port e Data rate Full duplex mode Connection mode See Connecting a Fibre Channel Array on page 11 for more information 25 Storage Management Displays information about the drives and their status including Sled Number Capacity of each sled Number of errors Type of configuration RA
33. percentage complete values are not displayed e Status Degraded the RAID1 Mirror is out of sync and is waiting to be rebuilt Status In Progress the RAID1 Mirror is out of sync and a rebuild is occurring on the respective drive e Status Faulted the RAID1 Mirror is out of sync and an error occurred in an attempt to synchronize the drives in the RAID 1 group SerialNumber View the board serial number a 10 character field The first four alphanumeric characters are an abbreviation representing the product name The remaining six digits are the individual unit s number Get syntax get SerialNumber SledFaultLED Changes the state of the selected sled LED to the indicated state Choose the sled number 1 12 or all turn on or off Default off Set syntax set SledFaultLED all 1 2 3 4 5 6 7 8 9 10 11 12 on off SMARTData Displays the current SMART Self Monitoring Analysis and Reporting Technology data for the specified drive Immediate command SMARTData sled drive TapeDrivelnfo Displays information about the named Tape Drive including LUN Tape Volume ID and state of the tape drive Get syntax TapeDrivelnfo tape drive TapeVolumelnfo Displays information about the named Tape Volume including Volume ID LUN Virtual Disk ID Partition ID Total capacity and percentage of capacity used Get syntax TapeVolumelnfo tape volume Temperature Returns the current internal temperatur
34. rebuilding reduces performance You may want to leave AutoRebuild at the default disabled and manually rebuild during off peak hours or use the RebuildPriority command described below 1 Connect to Diamond Storage Array services via the RS 232 port or the optional Ethernet management services card see Accessing the Diamond VT on page 15 You should now be in the CLI 2 Continue with the CLI or access the RAID page of the ExpressNAV interface see ATTO ExpressNAV Browser based Interface on page 23 3 Type AutoRebuild enabled 4 Information displays on the screen while the array updates NVRAM ending with a Ready 5 SaveConfiguration 6 TypeFirmwareRestart to reboot the array 7 Reboot the host computer connected via Fibre Channel or SCSI to the array 8 verify the configuration type RAIDRebuildStatus 9 Ifa rebuild is necessary the array will automatically rebuild drives Rebuild priority Drive rebuilding reduces performance Use the RebuildPriority command through the CLI or on the RAID page of the ExpressNAV interface to customize when your rebuilds will occur Choices are High Low and Same If you select High priority rebuild I O requests are implemented before system I O requests Ifyou select Low priority rebuild I O requests execute only when there are no pending I O requests If you select Same priority rebuild I O and system I O receive equal consideration You must use a SaveConfigurat
35. sled number drive number AutoRebuild If enabled initiates an automatic rebuild of a degraded RAID group when a sled is replaced by a new sled If disabled you must manually rebuild the RAID configuration for the new sled by using RAIDManualRebuild Default disabled Set syntax set AutoRebuild enabled disabled Requires a SaveConfiguration Restart command Get syntax get AutoRebuild ClearDiskReservedAreaData Clears the data in the disk s reserved area Restarting the Diamond Storage Array is required for these settings to take effect Omitting ReservedAreaIndex clears the entire reserved area Enter the sled number 1 12 and drive number 1 2 Immediate command ClearDiskReservedAreaData sled number drive number 41 DriveCopy Copies a drive from the source disk to the destination disk Parameters are the sled and drive numbers of the source and destination drives The destination drive must be offline use the ATADiskState command to determine if the disks are offline If you choose the same source and destination drive this command performs a DriveWipe Set syntax DriveCopy Source Sled Source Drive Destination Sled Destination Drive Get syntax DriveCopyStatus DriveCopyHalt Stops a DriveCopy operation in progress Set syntax DriveCopyHalt Destination Sled Destination Drive Get syntax DriveCopyStatus DriveCopyResume Resumes a DriveCopy operation that had been stopped Set syntax
36. that drive and possibly stop the entire Diamond VT operation Please follow the instructions below using CLI commands to replace drives Do not leave empty openings on the front or rear of the Diamond VT under any circumstances Empty openings affect airflow and may cause the unit to overheat and shut down All modular components must be replaced by qualified personnel only Components are electrostatic sensitive Use a static wriststrap when handling any of the cards inside the Diamond VT Use proper grounding methods Always store spare components in proper ESD containers when not in use Follow your backup procedures before removing a sled You may copy drives using the appropriate CLI commands See Drive Management Commands on page 41 The following method is the safest way to perform a hot swap of a drive The general approach identify the disk drive sled to be replaced take it offline using the appropriate CLI commands turn off its power using CLI commands remove and replace with a new disk drive sled power up the new sled and place back on line 1 Connect to Diamond VT services see Accessing the Diamond VT on page 15 and enter the Command Line Interface mode 2 The fault LED should be blinking on the disk drive sled to be replaced If it is not type set SledFaultLED n on The LED ofthe drive you want n will light 3 Determine the Drive Sled Number The disk drive sled closest to the management card is
37. through an Ethernet connection Platform independent ExpressNAV contains all the current capabilities of the CLI in a user friendly GUI console A menu on each page provides access to information and configuration operations Refer to ATTO ExpressNAV Browser based Interface on page 23 for more information on the program 15 In band SCSI over Fibre Channel In band SCSI commands Write Buffer and Read Buffer may be issued to the Diamond VT Fibre Channel port to manage configuration via two mechanisms n band CLI over SCSI where ASCII CLI commands may be issued via Write Buffer All CLI commands except Zmodem are supported D value where the application program uses SCSI CDB command descriptor block to select the buffer ID of the configuration parameters to be affected and the new value ofthe parameter Most configuration options are available RS 232 port The Diamond VT provides remote service operations over the RS 232 serial port using standard terminal emulation software available with most systems Set the following serial parameters in your terminal program Bits per second 115200 Data Bits 8 Parity None Stop Bits 1 Flow Control None Terminal type ASCII Echo on Ethernet port The 10 100 BaseT Ethernet port provides Telnet or SNMP based monitoring and management The default IP address is 10 0 0 1 the default subnet mask is 255 255 0 0 Change these parameters usi
38. to allow it to communicate with the Diamond VT Please see your system administrator for more information 2 Turn on the Diamond VT ATTO Technology Inc Diamond Storage Array Installation and Operation Manual 3 Copy the latest Diamond VT image file ima onto the host computer and note its directory c diamond flash ima 4 Change directories to the place where you copied the ima file cd c diamond flash 5 Open an FTP session using a user defined IP address or the default 10 0 0 1 if it has not changed The IP address must be a valid address for your network At the FTP login prompt type sysadmin as the userlD Press Enter at the password prompt Type put ima The Diamond should acknowledge receiving the file and display a message not to interrupt power for 90 seconds A CAUTION Do not interrupt the flash process If the process is interrupted the Diamond VT will become inoperable and will have to be returned to the factory for repair Do not turn off the Diamond VT until the display returns the Ready prompt 9 If upgrading the firmware from versions older than 2 5 3 follow the procedures outlined in Resetting Defaults on page 63 10 When the flash procedure is complete cycle power on the Diamond VT 56 Update firmware 9 0 Diagnostics Upgrade and Maintenance The Diamond VT provides a number of visual audible and computer system generated indicators to iden
39. to the zoning configuration The Active configuration continues to match the persistent configuration Errors detected while reading the Active Zone Configuration result in an error message and the zoning configuration remains unchanged 54 Zones 8 0 Updating Firmware Engineers technicians and or system administrators integrators may update the firmware of the Diamond VT using the Command Line Interface CLI See Accessing the Diamond VT on page 15 via the RS 232 serial port or the optional Ethernet management services card Updating firmware via the RS 232 serial port To update the firmware via a connection to the RS 232 serial port you will need ahost computer with a terminal emulation program such as HyperTerminal in Windows binary information file ima available from technical support or on our website see Warranty on page A xv anull modem serial cable with a DB 9 connector 1 Connect to Diamond VT services via the RS 232 port see Accessing the Diamond VT on page 15 You should now be in the Command Line Interface mode 2 the latest Diamond VT image file ima onto the host computer 3 ZModem Receive at the Ready prompt The terminal program on the host should be in Zmodem only mode with no other parameters The Diamond VT will display information that it is preparing to receive a file from your terminal program 4 terminal program choose Transfer Send
40. up to 32 hosts Commands sent to a device may be rejected with sense key code qualifier as follows LOGICAL UNIT NOT CONFIGURED 68 00 00 LOGICAL UNIT NOT SUPPORTED 25 00 00 LOGICAL UNIT NOT READY 04 03 00 No such LUN exists the initiator does not have access to this LUN The Logical unit is not in an accessible zone The Logical unit is in an accessible zone but is not ready it may be offline or busy If the logical unit inventory changes for any reason including completion of initialization removal of a logical unit or creation of a logical unit the device server generates a Unit Attention command for all initiators telling them a ZoneCommit procedure has been successful The device server sets the additional sense code to REPORTED LUNS DATA HAS CHANGED OE 00 LUN has been added to or removed from the zone 52 Zones Configuring Zoning A CAUTION Be careful when changing Diamond VT zoning configurations Internal validation logic cannot detect misconfigurations An unrestricted zone configuration exactly mimicking the LUN configuration is created internally after the first power up or restart after installation of the Diamond VT No special operating modes are required and Zoning can be easily installed with no impact on previous configurations The unrestricted zone can be considered an all all all zone all hosts all ports and all devices Examples of initial configurations are available in Sam
41. using standard terminal emulation software available with most systems 1 19 Connect a DB 9 null modem serial cable between the port marked RS 232 on the front of the Diamond VT and one of the computer s serial ports A gender changer or DB 9 to DB 25 converter may be needed depending on the cables you are using The cable must be no longer than three meters Boot the computer used to manage the Diamond VT Start a terminal emulator program such as Windows HyperTerminal Set the emulator to use the COM port with cable attached then the following settings 115200 baud 8 bit ASCII no parity ASCII terminal type 1 stop bit flow control none echo typed characters locally Turn on the Diamond VT Upon successful power on and diagnostics the unit should display the POST power on self test information found in Exhibit 4 0 1 on page 16 You should now be in the Command Line Interface mode To see a list of available commands type help at the Ready prompt or refer to this manual s Index Use the Command Line Interface to configure the unit as a RAID Level 10 or RAID Level 5 array with zones and or Hot Spare sleds as described later in this manual ATTO Technology Inc Diamond Storage Array Installation and Operation Manual 20 Serial port access 4 3 Ethernet Access Telnet and SNMP Protocols The optional 10 100 BaseT Ethernet port provides Telnet or SNMP based monitoring and management The 10 100 Base T Eth
42. with local electrical codes Improper grounding may result in an electrical shock or damage to the Power Switch Positions gt Stand by unit Press the stand by power switch for each power supply to the ON position When the green power LED on the back of the unit is lit the power supply is fully operational and delivering power to the system The power LED on the front of the array lights once the firmware begins to execute When the power is turned on the LEDs on the front of the Diamond VT flashes twice Drives spin up in groups of three about every one to two seconds The individual LEDs blink After all available drives have spun up the individual drive LEDs stays lit When all available drives are operational the ready LED on the top front panel of the management card remains lit Reboot your computer Determine the best configuration for your needs and refer to the rest of this manual for more detailed explanations and configuration information Exhibit 3 2 1 Back side of a rack mount Fibre Channel Diamond VT with blower assemblies on top power supplies at the bottom separated by the Host Interface Card 2 Gb FC host interface card blower assemblies power supplies 10 Physical setup 3 2 1 Connecting a Fibre Channel Array The Diamond VT supports up to two Fibre Channel Host Interface Cards HIC Physical connections and CLI commands contribute to the Fibre Channel topology The Diamond VT
43. 4 Requires a SaveConfiguration Restart command Get syntax get IdeTransferRate IdeWriteCache Sets write caching for all drives Default enabled Set syntax set IdeWriteCache enabled disabled Requires a SaveConfiguration Restart command Get syntax get IdeWriteCache InquiryData Sets displays the SCSI media changer MC amp tape drive TD inquiry data returned by the Diamond Virtual Tape device MC Vendor ID 1 8 chars MC Product ID 1 16 chars MC Revision 1 4 chars TD Vendor ID 1 8 chars TD Product ID 1 16 chars TD Revision 1 4 chars Set syntax set InquiryData MC Vendor ID MC Product ID MC Revision TD Vendor ID TD Product ID TD Revision Requires a SaveConfiguration Restart command Get syntax get InquiryData LUNInfo Displays information about all LUNs logical unit numbers or detailed information about a specific LUN Do not specify a LUN to get information about all LUNs Specify a LUN to get detailed information about that individual LUN For examples see LUNInfo on page 39 Get syntax get LUNInfo LUN LUNState Sets the LUN to the specified state May be used to facilitate removal and insertion of sleds and RAID groups during power up power down of sleds Default online Set syntax set LUNState LUN number online offline Get syntax get LUNState LUN number MediumType Sets or displays the medium type returned by the mode pages Use the command InquiryData to
44. AT TO ATTO Technology Inc Diamond Storage Array VT Class Installation and Operation Manual O 2005 ATTO Technology Inc All rights reserved All brand or product names are trademarks of their respective holders No part of this manual may be reproduced in any form or by any means without the express written permission of ATTO Technology Inc 2 05 6 4 PRMA 0341 000 Contents Preface 1 0 Diamond Storage Array VT Product Overview 1 Diamond VT features Fibre Channel model SCSI model 2 0 Diamond VT Technical Overview 3 ADXT Powers ATA to New Levels 3 0 Installation Instructions Step 1 physical setup Step 2a set up the Ethernet connection Step 2b connect to Ethernet Step 3 set up Virtual Tape configuration Configuration examples 3 1 Diamond VT Components essere 7 Floor model Rack mount model 3 2 Diamond VT Physical Setup 9 Floor Model Rack Mount General Instructions 3 2 1 Connecting a Fibre Channel Array 11 Autoconfiguration Manual configuration 3 2 2 Connecting a SCSI Array 13 4 0 Accessing the Diamond VT 15 Command Line Interface ATTO ExpressNAV In band SCSI over Fibre Channel RS 232 port Ethernet port SNMP 4 1 In band CLI Over
45. CSI protocol controlled by the Virtual Device Manager The VDM adds capabilities such as RAID data management services enclosure management services serverless backup data replication using SCSI Extended Copy and LUN mapping Data Routing Fabric Incoming or outgoing data is routed between the ATA Interface Engines AIE and the Fibre Channel or SCSI interface by the custom Data Routing Fabric ASIC a high speed low latency transfer fabric with more than 2 GB sec of bandwidth supported by up to 512 Megabytes of memory ATA Interface Engine AIE The interface to each pair of drives is through a custom ATA Interface Engine ASIC The AIE implements the typically software intensive ATA interface completely in silicon Each AIE contains a dedicated ATA protocol processor to completely automate command and protocol processing Automated command overlapping and queuing maximizes the performance of multi threaded I O The AIE transfers data using double clocking technology at 66 megabytes per second The Diamond VT contains 12 AIEs for a parallel transfer rate of 792 megabytes per second In addition to guaranteeing DATA ROUTING FABRIC data transfer integrity with automatic CRC checking the command and status transfers are validated using a patent pending technology unique to the AIE VIRTUAL DEVICE MANAGER FIBRECHANNEL INTERFACE 2 FIBRECHANNEL INTERFACE 1 1 I
46. D 11 76292MB 0 JBOD 23 12 73307MB 0 JBOD 12 73307MB 0 JBOD 24 Drivelnfo 7 2 JBOD VDID 19 Sled 7 Drive 2 Drive Model Maxtor 98196H8 S N V80D15GC F W Rev ZAH814Y0 ATA Rev 007e Capacity 76292 MB 09502790 blocks PIO 03 MDMA 07 UDMA 07 QD 00 CMDSet 7 69 4309 Operations Blocks Read 00000000 00000000 Write 00000000 00000000 Errors 00000000 Drivelnfo RAID10 3 m Drive 1 Drive 2 Sled Capacity Errors TYPE VDID Capacity Errors TYPE VDID 76292MB 0 RAIDIO 56 76292MB 0 RAIDIO 56 2 76292MB 0 RAIDIO 56 76292MB 0 RAIDIO 56 3 76292MB 0 RAIDIO 56 76292MB 0 RAIDIO 56 4 76292MB 0 RAIDIO 56 76292MB 0 RAIDIO 56 5 76292MB 0 RAIDIO 57 76292MB 0 RAIDIO 57 6 76292MB 0 RAIDIO 57 76292MB 0 RAIDIO 57 7 76292MB 0 RAIDIO 57 76292MB 0 RAIDIO 57 8 76292MB 0 RAIDIO 57 76292MB 0 RAIDIO 57 9 76292MB 0 RAIDIO 58 76292MB 0 RAIDIO 58 10 76292MB 0 RAIDIO 58 76292MB 0 RAIDIO 58 11 76292MB 0 RAIDIO 58 76292MB 0 RAIDIO 58 12 73307MB 0 RAIDIO 58 73307MB 0 RAIDIO 58 Drivelnfo 7 2 RAIDIO VDID 57 State ONLINE RAIDIO Member Index 5 of total members 8 disks RAIDIO Interleave Size 128 Blocks Sled 7 Drive 2 Drive Model Maxtor 98196H8 S N V80D15GC F W Rev ZAH814Y0 ATA Rev 007e Capacity 76292 MB 09502790 blocks PIO 03 MDMA 07 UDMA 07 QD 00 CMDSet 7 69 4309 Operations Blocks A iv Read 00000000 00000000 Write 00000000 00000000 Errors 00000000 Luninfo for a JBOD setup LUN TYPE State Capa
47. Diamond Storage Array Options are loop only loop point to point only ptp loop preferred loop ptp or point to point preferred ptp loop See Connecting a Fibre Channel Array on page 11 for more information on Fibre Channel topology Applies to both Host Interface Cards Default loop Set syntax set FcConnMode loop ptp loop ptp ptp loop Requires a SaveConfiguration Restart command Get syntax get FcConnMode FcDataRate Specifies the Fibre Channel data rate at which the Diamond operates Applies to both Host Interface Cards Default auto Set syntax set FcDataRate 1gb 2gb auto Requires a SaveConfiguration Restart command Get syntax get FcDataRate FcFairArb Enabling this feature causes the Diamond Storage Array to follow the arbitration fairness rules on the FC AL Applies to both Fibre Channel ports Default enabled enabling arbitration fairness Set syntax set FcFairArb enabled disabled Requires a SaveConfiguration Restart command Get syntax get FcFairArb FcFrameLength Sets the frame length of a command If not specified in the set command current frame length is displayed Applies to both Fibre Channel ports Default 2048 Set syntax set FcFrameLength 512 1024 2048 Requires a SaveConfiguration Restart command Get syntax get FcFrameLength FcFullDuplex Enable to allow full duplex Fibre Channel communication between the Diamond Storage Array and 35 host devices Disable FcFul
48. FcFullDuplex FcHard FcHardAddress FcNodeName FcPortlnfo FcPortList FcPortName FcScsiBusyStatus FcWWName SerialPortBaudRate SerialPortEcho SerialPortHandshake SerialPortStopBits FcScsiBusyStatus FirmwareRestart MaxEnclTempAlrm MinEnclTempAlrm ResolveLUNConflicts RestoreConfiguration SaveConfiguration SpeedWrite Temperature Zmodem ZoneRetrieve 6 7 Diagnostic Commands ATTO Technology Inc AudibleAlarm DiamondModel DiamondName DriveCopyStatus Drivelnfo FcNodeName FcPortlnfo FcPortList FcPortName Help IdentifyDiamond Info LUNInfo PartitionInfo PowerAudibleAlarm RAID5ClearDataStatus RAlIDRebuildStatus SerialNumber SledFaultLED SMARTData TapeDrivelnfo TapeVolumelnfo Temperature VirtualDrivelnfo Zonelnfo ZoneState 6 8 Drive Management Commands 41 ATADiskState AutoRebuild ClearDiskReservedAreaData DriveCopy DriveCopyHalt DriveCopyResume DriveCopyStatus Drivelnfo DriveSledPower DriveWipe ECC IdeTransferRate IdeWriteCache InquiryData LUNInfo LUNState MediumType PartitionInfo QuickTape RAID5ClearData RAID5ClearDataStatus RAlDInterleave RAIDHaltRebuild RAIDManualRebuild RAIDRebuildState RAlIDRebuildStatus RAIDResumeRebuild RebuildPriority ResolveLUNConflicts RestoreModePages SledFaultLED TapeDrivelnfo TapeVolumeBlockSize TapeVolumelnfo TapeWriteProtect VirtualDrivelnfo ZoneAddDevice ZoneAddHost ZoneAddPort ZoneClearAll ZoneCommit ZoneCr
49. File 5 Inthe Send File box enter the current Diamond flash ima filename or click the browse button to find it Click Send File The Diamond should acknowledge receiving the file and display a message not to interrupt power for 90 seconds A CAUTION Do not interrupt the flash process If the process is interrupted the Diamond VT will become inoperable and will have to be returned to the factory for repair Do not turn off the Diamond VT until the display returns the Ready prompt 8 If upgrading the firmware from versions older than 2 5 3 follow the procedures outlined in Resetting Defaults on page 63 9 When the flash procedure is complete cycle power on the Diamond VT Updating firmware via the optional Ethernet card To update the firmware via the optional Ethernet management services card you will need the optional Ethernet management services card installed in your Diamond VT ahost computer with a network card or a network connected device such as a hub binary information file ima available from technical support or on our website see Warranty on page A xv acrossover network cable for a direct connect or standard network cable if attached to a network device 55 avalid IP address 1 Toconnectto the Ethernet and set up your host computer refer to Ethernet Access Telnet and SNMP Protocols on page 21 TY A The host computer must have appropriate network settings
50. ID level Virtual Disk ID You may place sleds on or off line by selecting or de selecting a check box See Drive Management Commands on page 41 for more information Once you open this page other configuration pages are available on the menu on the left hand side ofthe page RAID Configures RAID groups Information provided includes Type of configuration RAID level Virtual Disk ID Number of partitions State of sleds Capacity of sleds Interleave values Configurable options are RAID Level Number of tape volumes Number of tape drives Hot Spare sleds From the RAID page go to RAID Rebuild Configuration to change Interleave Rebuild state Enable disable auto rebuild See Configuring the Diamond VT on page 47 for more information Clear Data view the status of any Clear Data command view the rebuild state of each sled initiate a RAID Level 5 Clear Data command See Drive Management Commands on page 41 for more information ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Logical Units Displays information on the logical units which have been configured and allows you to change the status from online or offline or degraded Partitions Displays the current configuration ofthe Diamond VT including Partition ID Virtual Drive ID LUN Capacity of each partition See Drive Management Commands on page 41 for more information Z
51. LUN Do not specify a LUN to get information about all LUNs Specify a LUN to get detailed information about that individual LUN Get syntax get LUNInfo LUN PartitionInfo Displays Partition information for the selected partitions or all partitions Get syntax PartitionInfo active planned Virtual Drive ID Partition ID ATTO Technology Inc Diamond Storage Array Installation and Operation Manual PowerAudibleAlarm Silences the audible alarm for a current power supply failure The alarm will be activated on the next power failure Immediate command PowerAudibleAlarm disabled RAID5ClearDataStatus Displays the status of RAID5 Clear Data processing S represents the sled number D represents the drive number Applies to RAIDS only Set syntax RAID5ClearDataStatus RAlDRebuildStatus Displays the RAID1 RAID 5 or RAID 10 Rebuild Status Summary If no RAID groups are defined the header information is displayed with no data The status summary contains the RAIDI RAID 5 or RAID 10 The RAIDRebuildStatus command has no effect on the state of any rebuild in progress Member index and the following fields in tabular form Status OK DEGRADED IN PROGRESS or FAULTED Sled Number Location of the sled Current LBA Logical block currently being rebuilt Maximum LBA Last logical block to be rebuilt Status OK the RAID1 Mirror is in sync and no rebuild activity is occurring The Current LBA Maximum LBA and
52. MARTData 2 1 get snmptrapaddress get snmptraps get snmpupdates get speedwrite Page 42 39 42 33 33 33 33 39 42 38 42 38 39 40 42 43 40 43 43 43 40 40 43 44 44 32 44 32 40 37 37 37 37 40 40 33 34 34 38 CLI index Command Defaults SystemSN TapeDrivelnfo TapeVolumeBlockSize 1 TapeVolumelnfo Disabled diamond Disabled TelnetUsername telnet TapeWriteProtect TelnetPassword TelnetTimeout Temperature VerboseMode Enabled VirtualDrivelnfo Zmodem ZoneAddDevice ZoneAddHost ZoneAddPort ZoneClearAlll ZoneCommit ZoneCreate ZoneDelete Zonelnfo ZoneRemoveDevice ZoneRemoveHost ZoneRemovePort ZoneRetrieve ZoneState Disabled 31 Example get systemsn TapeDrivelnfo set TapeVolumeBlockSize 2 TapeVolumelnfo set TapeWriteProtect enabled set TelnetPassword 123ABC set TelnetTimeout 360 set TelnetUsername diamond1 get Temperature get VerboseMode virtualdriveinfo active zmodem receive zoneadddevice zone1 2 zoneaddhost zone1 20 00 00 18 86 00 98 00 zoneaddport zone1 0 zoneclearall zonecommit zonecreate zone1 zonedelete zone1 zoneinfo zoneremovedevice zone1 1 zoneremovehost zone1 20 00 00 18 86 00 98 00 zoneremoveport zone1 0 zoneretrieve ZoneState zone1 enabled ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Page 32 40 44 40 44 33 34 34 40 32 40 38 44 44 44 45 45 45 45 40 45 45 45 38 45 6 2 General Use Commands
53. PAddress IPDHCP IPGateway IPSubnetMask LUNInfo LUNState MaxEnclTempAlrm MediumType MinEnclTempAlrm PartitionInfo PowerAudibleAlarm QuickTape RAID5ClearData RAID5ClearDataStatus RAIDHaltRebuild RAlDInterleave RAIDManualRebuild RAIDRebuildState RAIDRebuildStatus RAIDResumeRebuild RebuildPriority ResolveLUNConflicts RestoreConfiguration RestoreModePages SaveConfiguration SerialNumber SerialPortBaudRate SerialPortEcho SerialPortHandshake SerialPortStopBits SledFaultLED SMARTData SNMPTrapAddress SNMPTraps SNMPUpdates SpeedWrite Defaults enabled 10 0 0 1 Disabled 0 0 0 0 255 255 255 0 Online 47 0x85 5 128 same 115200 Disabled None 1 10 0 0 1 Disabled Disabled Example set idewritecache disabled Info InquiryData 11456 124345 1 0 11242 14564 2 set ipaddress 19 172 2 2 set ipdhcp enabled get ipgateway get IPSubnetMask LUNInfo 1 get LunState 1 get MaxEnclTempAlrm get MediumType set MinEnclTempAlrm 10 partitionInfo poweraudiblealarm disabled set QuickTape RAID5 15 1 enabled RAID5ClearData RAID5ClearDataStatus RAIDHaltRebuild 3 get RAlDInterleave RAIDManualRebuild 2 3 set RAIDRebuildState 2 OK get RAIDRebuildStatus RAIDResumeRebuild 5 set RebuildPriority high resolvelunconflicts RestoreConfiguration default RestoreModePages SaveConfiguration restart get SerialNumber set SerialPortBaudRate 9600 get SerialPortEcho get SerialPortHandshake set SerialPortStopBits 1 set SledFaultLED 9 on S
54. RAID 10 striping of mirrored groups RAID 5 striping across multiple disks offering redundancy by including a parity block in every stripe the parity block is used to reconstruct the data if a single drive in the subsystem fails Small Formfactor Pluggable a removable transceiver which provides the connection between an external FC interface and a host interface a convenient term used to describe the allocation nature of a partition a partition may be split into a number of subpartitions each a partition in its own right and a collection of contiguous subpartitions may be merged into a partition logical layout of the parts of a computer system or network and their interconnections the presentation of a collection of disk drives as a single logical disk also known as a RAID group a unique identifier associated with each Virtual Drive and displayed via CLI A ii Appendix Appendix ATA Disk Technology ATA is the dominant disk drive technology today and will be for the foreseeable future It offers all the cost advantages of a mass produced consumer driven technology which is rapidly being driven forward Today ATA also offers all the performance and reliability features needed to create high performance ATA based disk storage arrays We view ATA as the perfect disk drive technology for in the box disk storage array solutions Aggregated Data Interface Technology ADXT with its built in Virtual Device Manager VDM Data
55. RAID Level 5 or RAID Level 10 configuration with or without Hot Spare sleds and or set up in a zoned configuration Step 3 set up Virtual Tape configuration The simplest way to set up Virtual Tape configurations is to use the ExpressNAV interface Refer to ATTO ExpressNAV Browser based Interface on page 23 for more information on the interface After logging in refer to Step 2b connect to Ethernet Step 5 on page 5 follow the screens to find information about the array or to configure the array from the factory default settings If you use the CLI the command QuickTape sets up Virtual Tapes using the following format set QuickTape RAID5 RAID10 volumes tape drives lt Barcode Prefix gt tape enabled Hot Spares are not available for all Virtual Tape configurations You must designate enabled to allow Hot Spare sleds or disabled to forgo Hot Spare sleds Refer to and Optional Hot Spare Sled on page 50 for more information and examples Each Hot Spare sled configuration requires a certain number of Hot Spare sleds These sleds once designated as Hot Spares are not available for other use e RAID Level 10 10 drive sleds and two Hot Spare sleds sleds 11 and 12 RAID Level 5 10 drive sleds and two Hot Spare sleds sleds 11 and 12 e RAID Level 5 five drive sleds sled positions 1 through 5 and one Hot Spare sled sled 12 You may specify the first four to six alpha numeric characters of a tape ba
56. Requires a SaveConfiguration command TelnetTimeout Specifies the number of minutes of inactivity which will elapse before a telnet session automatically times out Limits 1 1440 minutes Default disabled Set syntax set TelnetTimeout 1 1440 disabled Get syntax get TelnetTimout Requires a SaveConfiguration command TelnetUsername Specifies username for telnet session Only one username password combination is available per Diamond Storage Array RestoreConfiguration default sets the telnet username and password to the default values Username is case insensitive 1 to 8 characters Default telnet Set syntax set TelnetUsername username Requires a SaveConfiguration Restart command The Telnet and SNMP protocols also use CLI commands TelnetUsername Specifies username for telnet session Only one username password combination is available per Diamond Storage Array RestoreConfiguration default sets the telnet username and password to the default values Username is case insensitive 1 to 8 characters Default telnet Set syntax set TelnetUsername username Get syntax none Requires a SaveConfiguration command 34 Diamond Storage Array Installation and Operation Manual 6 4 Fibre Channel Configuration Commands The Fibre Channel ports are configured with default settings but may be customized to your specifications using the CLI commands in this section FcConnMode Specifies the Fibre Channel topology for the
57. SerialNumber 0 Processor ONLINE OMB 0 1 RAIDIO ONLINE 305171 0 V80EE4YCAAL0000 2 RAIDIO ONLINE 305171 0 V80EE4TCAALOOO00 3 RAIDIO ONLINE 293231 0 V80DTELCAAL0000 Luninfo 2 RAIDIO SerialNumber V80EE4TCAAL0000 Virtual Drive ID 57 Capacity 305171 0 00025409 00 blocks Operations Blocks Read 00000000 00000000 ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Write 00000000 00000000 Errors 00000000 Luninfo for a RAID5 1 configuration LUN TYPE State Capacity Errors SerialNumber 0 Processor ONLINE OMB 0 1 RAID5 ONLINE 1612749MB 0 V80EE4YC5AM0000 Luninfo 1 RAIDS SerialNumber V80EE4YC5AM0000 Virtual Drive ID 59 Capacity 1612749 MB 0x000c4de6f00 blocks Operations Blocks Read 00000000 00000000 Write 00000000 00000000 Errors 00000000 Luninfo for a RAID5 4 configuration LUN TYPE State Capacity Errors SerialNumber 0 Processor ONLINE OMB 0 1 RAIDS ONLINE 305167 0 V80EE4YCSANOO000 2 RAID5 ONLINE 305167 0 V80ODTCWCSANO0000 3 RAID5 ONLINE 305167MB 0 V80D44LC5AN0000 4 RAIDS ONLINE 293227MB 0 V80ED9IGCS5ANO0000 Luninfo 4 RAIDS5 SerialNumber V80ED9GCS5AN0000 Virtual Drive ID 62 Capacity 293227 MB 0x00023cb5a00 blocks Operations Blocks Read 00000000 00000000 Write 00000000 00000000 Errors 00000000 Part ID Name VDID LUN Capacity StartVDLBA 0 0000 59 1 7629 IMB 0x0000000000 10001 59 5 7629 IMB 0x0009501f00 2 0002 59 6 7629 IMB 0
58. SledNum 1 ClearDiskReservedArea SledNum 2 Set AtaDiskState SledNum 1 ONLINE Set AtaDiskState SledNum 2 ONLINE ResolveLUNConflicts The new disk drive sled will be available for system use 10 to 15 seconds after the disk drives spin up and communication is reestablished ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Power Supplies CAUTION Do notleave empty openings on the front or rear of the Diamond VT under any circumstances Empty openings affect airflow and may cause the unit to overheat and shut down WARNING Hazardous voltage and stored energy hazard when removing power supplies In a system with at least one operational power supply the other power supply can be successfully removed and replaced without powering the system down and with no loss of array functionality The green activity LED on the front of the system management card identifies the operational status of each power supply Green means the power supply is operating correctly Note lt System command overlap is discontinued across some drives when only one power supply is operational Labels on the rear of the Diamond VT point to the appropriately related A and B power supplies 1 Identify the power supply to be swapped on the rear of the unit 2 Turn off the power supply on off switch 3 Disconnect AC line cord 4 Unscrew the two screws on the power supply with the appropriate too
59. The following commands listed alphabetically describe or perform general functions FirmwareRestart Causes a warm restart of the Diamond Storage Array Immediate FirmwareRestart Help Displays a list of available commands Type help followed by a command name to display detailed command specific information Immediate Help Command Name RestoreConfiguration Restores configuration to either the default configuration or the configuration last saved into non volatile memory The saved option will undo any changes made since the last save Immediate RestoreConfiguration Default Saved SaveConfiguration Ifthe restart option is selected the Diamond will cycle its power The norestart option will save changes without restarting Please note certain modifications require a SaveConfiguration command and a system restart If required the return Ready will be displayed after the return for the modification You may make several changes through commands and SaveConfiguration before implementing a restart but once you have restarted the Diamond all the command changes created before the restart and saved will be implemented Restart or no Restart parameter is optional Immediate SaveConfiguration Restart NoRestart gt SystemSN Stores the Diamond Storage Array serial number The serial number may be 1 16 characters Set syntax set SystemSN n Requires a SaveConfiguration command Get syntax get SystemSN V
60. ZoneAddPort zone name 0 1 ZoneRetrieve Retrieves the Active Zone Configuration into the Planned Zone Configuration to allow modifications of the current configuration Get syntax ZoneRetrieve ZoneState Changes the specific state of a zone The ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Default disabled Set syntax ZoneState zone name enabled disabled Get syntax Zonelnfo Information DriveCopyStatus ATTO Technology Inc Diamond Storage Array Installation and Operation Manual 46 CLI configure drives 7 0 Configuring the Diamond VT The Diamond VT can be configured as RAID Level 10 or RAID Level 5 with zones and or Hot Spare sleds Partitions are created automatically during configuration of Virtual Tape emulation The default is a single zone which includes all LUNs devices all ports and all hosts RAID is a storage configuration which uses multiple disk drives to increase capacity performance and or reliability You may configure your Diamond VT in several different ways depending on your needs although the Diamond VT makes some choices for you The following elements must be considered when you are configuring your Diamond VT RAID level Interleave Number of tape volumes Number of tape drives HotSpare sled option Zoning Using the ExpressNAV browser based inter
61. a connections to the RS 232 port or the optional Ethernet management services card via A FC switch or two or more FC switches interconnected to physically transmit data between CLI the local area network using Telnet fabric any two N Ports on a switch or switches A i ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Term F port FC AL FL port firmware GBIC host hot swapping initiator device JBOD L port LED LUN N port NL port originator partition port receiver RAID SFP subpartition topology Virtual Drive Virtual Drive ID Definition A port in the FC fabric where a N port may attach Fibre Channel Arbitrated Loop an FC network in which up to 126 systems and devices are connected in a loop topology with each transmitter connecting to the receiver of the device to its logical right multiple FC AL loops can be connected via a fabric switch A port in the FC fabric where a NL port may attach in an arbitrated loop Software stored in read only memory ROM or programmable ROM easier to change than hardware but more difficult to change than software stored on disk firmware is responsible for the behavior of the system when it is first switched on A removable serial transceiver module which provides a connection between an external FC interface and a host interface board a processor which communicates with devices over an interface Components are removed and replace
62. amond Storage Array to be erased Make sure all of your information is backed up before setting up RAID groups When you initially set up RAID groups using the QuickRAID command groups are synchronized automatically because there is no pre existing data on the drives However drives may display as degraded and you need to set all LUNs to OK status The simplest method to check RAID group status is to access the RAID page of the ExpressNAV interface See ATTO ExpressNAV Browser based Interface on page 23 Note L Because the ExpressNAV pages take you through this process easily the following instructions are based on the CLI commands Use these instructions as a guide in ExpressNAV To reset LUN status 1 Display the status of the array by typing RAIDRebuildStatus 2 Set the sleds which are listed as degraded to a rebuild state of OK by entering set RAIDRebuildState sled number OK Virtual Tape synchronization The most efficient method to synchronize Virtual Tape configurations is to enable Hot Spares or the Auto Rebuild feature To synchronize mirrored drives automatically If mirrored drives are removed for more than 15 to 30 seconds and then re inserted or replaced the replaced drives are labeled degraded when you check the Array s status by typing RAIDRebuildStatus If you enable AutoRebuild the array rebuilds the degraded drives automatically when a new drive is inserted 65 Note Drive
63. amond Storage Array Installation and Operation Manual Exhibit 9 2 2 Configurations which will be changed during a RestoreConfiguration command Reset if default chosen Reset during factorydefault Command Default AudibleAlarm Disabled v v AutoRebuild Disabled v DiamondName v EthernetSpeed Auto v FcConnMode Loop v FcDataRate Auto v v FcFairArb Enabled v v FcFrameLength 2048 v v FcFullDuplex Enabled v v FcHard Disabled v v FcHardAddress 0x03 v v IdentifyDiamond Disabled v v IdeTransferRate 4 v v IPAddress 10 0 0 1 v IPDHCP Disabled v IPGateway 0 0 0 0 v IPSubnetMask 255 255 255 0 v MaxEnclTempAlrm 47 v v MinEnclTempAlrm 5 v v RAlDInterleave 128 v SerialPortBaudRate 115200 v v SerialPortEcho Disabled v v SerialPortHandshake None v v SerialPortStopBits 1 v v SNMPSendTrap Disabled v v SNMPTrapAddress 10 0 0 1 v v SNMPTraps 4 v v SNMPUpdates Disabled v v TelnetPassword diamond v TelnetTimeout Disabled v TelnetUsername telnet v VerboseMode Enabled v v 64 Reset defaults 9 3 Rebuilding RAID Level 5 and 10 Configurations Ifa sled must be removed and a new sled inserted into the Diamond Storage Array while it is configured in a RAID Level 5 or 10 you must rebuild the RAID Level using CLI commands or the ExpressNAV interface A WARNING Selecting RAID parameters causes all previous drive data on the Di
64. an FTP session Default diamond Set syntax set FTPPassword Requires a SaveConfiguration Restart command IPAddress Specifies the IP Address of the Diamond Storage Array on the Ethernet network If DHCP is enabled the assigned address of the Diamond will be displayed Setting this value always modifies the internal NVRAM value of the IP address If IPDHCP is enabled see below get command reports current IP address assigned by DHCP server Default IP Address 10 0 0 1 Set syntax set IPAddress Get syntax get IPAddress Requires a SaveConfiguration command 33 ATTO Technology Inc IPDHCP Selecting DHCP allow the Diamond Storage Array to request an IP address from the network It requires that the Diamond be attached to a network with at least one DHCP server The network must have at least one DHCP server Default disabled Set syntax set IPDHCP enabled disabled Get syntax get IPDHCP Requires a SaveConfiguration command IPGateway Specifies the IP Gateway for the Diamond Storage Array on the Ethernet network If IPDHCP is enabled see above get command reports current IP gateway assigned by DHCP server Must conform to XXx XXX XXX XXX standard network IP addressing Default 0 0 0 0 Set syntax set IPGateway Get syntax get IPGateway Requires a SaveConfiguration command IPSubnetMask Specifies the IP Subnet Mask for the Diamond Storage Array on the
65. ate command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Set syntax ZoneDelete zone_name Zonelnfo Displays the named zones definitions Information about the Active Zone Configuration is the default if you want information about the Planned Zone Configuration type ZonelInfo Planned zone name Get syntax Zonelnfo ZoneRemoveDevice Removes one or more LUNSs devices from an existing zone To complete this procedure the ZoneState 45 command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Set syntax ZoneRemoveDevice zone name device LUN ZoneRemoveHost Removes one or more hosts from an existing zone To complete this procedure the ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Set syntax ZoneAddHost zone name host_name ZoneRemovePort Removes one or more ports port name from an existing zone The port refers to the specific HIC either 0 or 1 To complete this procedure the ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Set syntax
66. ation IP configuration or Telnet information However resetting the Diamond VT to factory defaults is a last ditch effort to recover from corrupt configurations or complete failure All data will be lost but the zoning configuration will remain A CAUTION Data will be lost if you follow these procedures Make sure you have no other choice before resetting the Diamond VT to factory defaults Default If you need to return to the default settings of the Diamond VT but do not want to lose data or Ethernet settings use the CLI command RestoreConfiguration default in CLI mode or in the Advanced CLI configuration page of the ExpressNAV interface e Note E Using RestoreConfiguration default or RestoreConfiguration factory default will not affect the zoning configuration To restore the Diamond VT to factory default type ZoneClearAll ZoneCommit Return to Default settings 1 Connect to Diamond VT services via the RS 232 port or the optional Ethernet management services card see Accessing the Diamond VT on page 15 You should now be in Command Line Interface Continue with the CLI or access the ExpressNAV interface see ATTO ExpressNAV Browser based Interface on page 23 iA Note Because the ExpressNAV pages take you through this process easily the following instructions are based on the CLI commands Use these instructions as a guide in ExpressNAV 2 RestoreConfiguration default to reset the system configuration
67. change the inquiry data displayed Choices are DLT Diamond 0x85 SDLT 0x86 0x00 AIT 0x34 Default 0x85 Set syntax set MediumType medium type Requires a SaveConfiguration Restart command Get syntax get MediumType PartitionInfo Displays Partition information for the selected partitions See PartitionInfo on page 39 for examples Immediate command PartitionInfo active planned Virtual Drive ID Partition ID QuickTape Configures the Diamond VT as a Virtual Tape device Specify the RAID level either RAIDS or RAID10 the number of tape volumes enable ZoneState and specify whether Hot Spare sleds are enabled The system will determine the optimal number of Virtual Devices based on the number oftape volumes Hot Spares are not available for all Virtual Tape configurations You must designate enabled to allow Hot Spare sleds or disabled to forgo Hot Spare sleds You may specify the first four to six alpha numeric characters of a tape bar code used by tape backup 42 CLI configure drives software The remaining four characters will be entered by the system automatically to identify the tape number See Virtual Tape on page 49 and Optional Hot Spare Sled on page 50 for more information and examples Note The maximum number of tape volumes and tape drives for RAID Level 5 is 30 The maximum number of tape volumes and tape drives for RAID Level 10 is 15 Set syntax set QuickTape RAID5 RAID10
68. city Errors SerialNumber 0 Processor ONLINE OMB 0 1 JBOD ONLINE 76292MB_ 0 V80EE4YCXAI0000 2 JBOD ONLINE 76292MB_ 0 V80EE4HCXAI0000 3 JBOD ONLINE 76292MB_ 0 V80DTESCXAI0000 4 JBOD ONLINE 762902MB 0 V80DTCWCXAIO0000 5 JBOD ONLINE 762902MB 0 V80EE4TCXAI0000 6 JBOD ONLINE 762902MB 0 V80CG4RCXAI0000 7 JBOD ONLINE 76292MB_ 0 V80D44LCXAI0000 8 JBOD ONLINE 76292 0 V80DTCXCXAI0000 9 JBOD ONLINE 76292MB_ 0 V80DTELCXAI0000 10 JBOD ONLINE 76292MB_ 0 V80ED9GCXAI0000 11 JBOD ONLINE 76292MB_ 0 V80CFVHCXAIO0000 12 JBOD ONLINE 73307MB 0 YSDYSG9HXAIO0000 13 JBOD ONLINE 76292MB_ 0 V80EE4GCXAI0000 14 JBOD ONLINE 762902MB 0 V80EESLCXAI0000 15 JBOD ONLINE 7629022MB 0 V80DTDTCXAI0000 16 JBOD ONLINE 7629022MB 0 V80DTDLCXAI0000 17 JBOD ONLINE 76292 0 V80EE4PCXAI0000 18 JBOD ONLINE 76292MB_ 0 V80CLN4CXAI0000 19 JBOD ONLINE 76292MB_ 0 V80D15GCXAI0000 20 JBOD ONLINE 762902MB 0 V80DTDRCXAI0000 21 JBOD ONLINE 76292MB_ 0 V80DTDYCXAI0000 22 JBOD ONLINE 762902MB 0 V80EESECXAIO0000 23 ONLINE 76292 0 V80CG2GCXAIO0000 24 JBOD ONLINE 73307MB 0 YSDYSGIMXAI0000 Luninfo 13 ATADisk SerialNumber V80EE4GC XAI0000 Sled 1 Drive 2 Drive Model Maxtor 98196H8 S N V80EE4GCXAI0000 F W Rev ZAH814Y0 ATA Rev 007e Capacity 76292 MB 09502790 blocks PIO 03 MDMA 07 UDMA 07 QD 00 CMDSet 7c69 4309 Operations Blocks Read 00000000 00000000 Write 00000000 00000000 Errors 00000000 Luninfo for a RAID10 3 LUN TYPE State Capacity Errors
69. ct a cross over cable for a direct connection to a PC or regular network cable from a network device to the RJ45 Ethernet port on the Ethernet management card on the front of the Diamond VT Step 2a set up the Ethernet connection The Diamond VT supports service operations over the RS 232 serial port using standard 5 terminal emulation software available with most systems 1 Connect a DB 9 null modem serial cable between the port marked RS 232 on the front of the Diamond VT and the computer s serial port The cable must be no longer than three meters 2 sure the power switches on the power supplies on the rear of the unit are in the Stand by position 3 Plug in the power cords to the back of the unit then into an appropriate power source 100 240 VAC 4 Reboot your host computer system 5 Press the Stand by power switch for each power supply on the Diamond VT to the ON position 6 Upon successful power up and diagnostics the unit displays the POST power up self test information The Diamond is now in Command Line Interface mode You may modify the setup of the Diamond VT using the CLI see Interface via ASCII based Commands on page 27 but the easiest method to configure the array is by using ATTO ExpressNAV software a graphical user management interface accessed through a standard Internet browser See ATTO ExpressNAV Browser based Interface on page 23 Step 2b connect to Ethernet
70. d while the unit is running with power to either the component or a device connected to the unit A component which originates a command Just a Bunch of Disks a storage subsystem of multiple independent disk drives a port in an arbitrated loop either a NL port or a FL port Light emitting diode a type of diode that emits light when current passes through it visible LEDs are used as indicator lights on the Diamond VT Logical Unit Number a SCSI or FC identifier of a device A LUN is associated with a RAID group or Virtual Drive a port attached to a node used with point to point or fabric configurations a port attached to a node in FC arbitrated loop or fabric loop an initiating device a component which originates a command a continuous range of addresses in a storage subsystem that appear as a logical unit used to subdivide and manage a storage subsystem an access point in a device see port NL port etc the ultimate destination of data transmission a terminal device originally Redundant Array of Inexpensive Disks now Redundant Array of Independent Drives a storage system spanning multiple disk drives The following standard RAID specifications will be used here RAID 0 non redundant striped array drives are accessed alternately as if stacked one on top of the other no data protection RAID 1 mirrored arrays information written to one disk is also written to another simultaneously provides complete data protection
71. down turning off the corresponding LED on the system management card The CLI will issue a message about the power supply being turned off To replace a blower assembly 1 Unscrew the two screws on the blower assembly with the appropriate tool 2 the blower assembly out of chassis 3 Install new blower assembly in chassis with proper orientation Blower assembly is keyed and can only be inserted one way 4 Tightenthe two screws on the blower assembly with the appropriate tool 5 Verify correct operation by observing that the green light is lit on the rear of the power supply and that the appropriate power supply green light on the system management card on the front of the unit is also on Note ttakes up to 30 seconds for the system to recognize the insertion or removal of a power supply and change the LED on the system Drive Sleds Management Card 70 Hot swap hardware Appendix A Glossary The following terms are only a few examples of the language used for Fibre Channel SCSI and storage systems For more information visit the websites of these professional organizations the Fibre Channel Industry Association www fibrechannel org the Fibre Channel Consortium www iol unh edu consortiums index html click on Fibre Channel the Storage Area Networking Industry Association www snia org or SCSI Trade Association www scsita org Fibre Channel technology Fibre Channel FC is a serial communication interfac
72. dvanced CLI Configuration page in the ExpressNAV interface CLI commands are context sensitive and generally follow a standard format Get Set Command Parameter1 Parameter2 followed by the return or enter key CLI commands are not case sensitive you may type all upper or all lower case or a mixture no matter what the definition either in help or these pages states Upper and lower case in this manual and the help screen are for clarification only Commands generally have three types of operation get set and immediate as summarized in Exhibit 6 0 1 The get form returns the value of a parameter or setting and is an informational command Responses to get commands are specified in the Results field for each command followed by Ready The set form is an action that changes the value of a parameter or configuration setting It may require a SaveConfiguration command and a system restart before changes are implemented The restart can be accomplished as part of the SaveConfiguration command or by using a separate FirmwareRestart command A number of set commands may be issued before the SaveConfiguration command Responses to set commands are either an error message or Ready which indicates a SaveConfiguration command is required Set commands which do not require a SaveConfiguration command defined as immediate commands are immediately implemented Responses to immediate commands are either an er
73. e Configuration ZoneClearAll ZoneCreate zone_1 ZoneAddHost zone_1 20 00 00 10 86 00 01 34 ZoneAddHost zone_1 20 00 00 10 10 10 86 01 ZoneAddDevice zone_1 1 2 ZoneAddPort zone_1 0 ZoneCreate zone_2 ZoneAddHost remaining ZoneAddDevice zone 23456 ZoneAddPort zone 2 1 ZoneState zone 1 enabled ZoneState zone 2 enabled ZoneCommit Clears any previously defined zones Creates a zone named zone 1 Adds host 1 WWPN to zone 1 Adds host 2 WWPN to zone 1 Adds LUN 1 and LUN 2 to zone 1 LUN 1 and LUN 2 will be available through HIC 0 for only the hosts in zone 1 Creates a zone named zone 2 Allows all other hosts not host 1 or host 2 access to zone 2 Adds LUNs 3 4 5 and 6 to zone 2 LUNSs 3 4 5 and 6 will be available through HIC 1 for all hosts in zone 2 excludes host 1 and host 2 Enables Zone 1 Enables Zone 2 Sets the Planned Zoning Configuration into the Active configuration No other LUNs will be available to any host A i ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Appendix E Specifications Environmental and physical Humidity 10 8596 non condensing Normal operating temperature at sea level 5 40 C Storage temperature 25 60 C AC input voltage 100 240V rated 50 60 Hz Rack Mount Dimensions Height 131mm 5 16 3U Width 447mm 17 60 Depth 585mm 23 03 Approximately 39 kg 86 pounds fully loaded with 24
74. e cards The HIC is the connection point into the Diamond VT and is available in a 2 Gigabit Fibre Channel or Ultra 160 SCSI Host Interface cards have fault and on line or fault and activity LED indicators depending on the model SCSI The SCSI card faceplate has a rotary binary coded hex switch which allows you to set the SCSI ID of the Diamond VT The SCSI card also has an in channel to connect by a cable to the unit s communication source and an out channel available for daisy chaining arrays together or to complete termination using an external LVD terminator 8 Components 3 2 Diamond VT Physical Setup The Diamond VT is shipped completely assembled with two 120 VAC power cords for use in the United States and Canada Immediately upon receipt check the shipping carton for damage from mishandling Contact us at once by the means easiest for you see Warranty on page A xv if the carton has been mishandled or displays any signs of damage Floor Model The Diamond VT is heavy about 92 pounds fully loaded and requires two people to lift and carry it safely Place the Diamond VT on a level surface and make sure there is adequate space in the front and back of the unit for proper cooling and airflow Continue with the general instructions Rack Mount The Diamond VT fully loaded is heavy about 86 pounds The unit should be handled with care and requires two people to lift carry and or install it safely The Diamond A
75. e designed to transfer large amounts of data among a variety of hardware systems over long distances It is becoming a key technology for applications that require shared high bandwidth access to storage Fibre Channel provides a logical point to point serial channel for the transfer of data between a buffer at a source device and a buffer at a destination device It moves buffer contents from one port to another without regard to the format or meaning of the data allowing different upper level protocols to run over the Fibre Channel connection The Fibre Channel architecture is a hierarchical set of protocol layers Defined within these layers are rules for signal interfaces serial encoding and decoding error control frame format and communications protocols Fibre Channel provides a range of implementation possibilities and purposely isolates the transmission medium from the control protocol so that each implementation may use the technology best suited to the application Fibre Channel arbitrated loop FC AL technology allows 127 systems and devices to be distributed over Term arbitrate loop at the same time arbitrated loop communicate at one time arange of up to 10 kilometers running at speeds of 1 gigabit sec Multiple FC AL loops can be connected via a fabric switch topology to extend the range SAN technology A Storage Area Network SAN is a shared storage architecture SANs connect computers and storage devic
76. e of this Diamond Storage Array in degrees Celsius The value is read only Get syntax get Temperature VirtualDrivelnfo Displays the named Virtual Drive definitions Get syntax VirtualDrivelnfo active planned Virtual Drive ID Zonelnfo Displays the named zones definitions Information about the Active Zone Configuration is the default if you want information about the Planned Zone Configuration type ZonelInfo Planned zone name Zone syntax Zonelnfo Planned zone name all ZoneState Changes the specific state of a zone The ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Default disabled Set syntax ZoneState zone name enabled disabled Get syntax Zonelnfo 40 CLI diagnostics 6 8 Drive Management Commands The Diamond Storage Array ATA drives may be monitored or configured through the CLI using the commands listed below ATADiskState Sets the ATA disk to the specified state Enter the sled number 1 12 drive number 1 2 and online or offline CAUTION In a Hot Spare configuration a drive sled should only be taken offline if there is absolutely no activity on that drive If there is any activity the rebuild of the Hot Spare sled may be flawed Default online Set syntax set AtaDiskState sled number drive number online offline Get syntax get AtaDiskState
77. e the alarm for other errors Thermal Monitoring The Diamond VT provides advance warning of temperature problems through visual audible and software warning mechanisms and through an automatic system which protects the disk drives under abnormal operating or ambient conditions The Diamond VT will function under normal external operating temperatures of 5 C and 40 Temperature sensors provide data to the software to trip a temperature warning alarm and will at excessively high or low temperatures flush cache memory to prevent data loss and disable disk drive activity to protect the drives The Diamond reports the temperature via SES SNMP CLI and the Status page of the ExpressNAV interface as wellas the state ofthe temperature warning alarm Not Present OK Warning Critical The ATTO Technology Inc Diamond Storage Array Installation and Operation Manual temperature warning alarm will report OK during normal operating conditions In an abnormal operating condition such as blower failure under high ambient temperatures when the Diamond internal midplane temperature reaches a critical point the temperature alarm will report Warning and activate the audible alarm and fault LED on the front of the unit If the internal midplane temperature were to reach a higher point the temperature warming alarm will report Critical the Array will be taken off line and all disk drive activity will be disabled When the ambient tempera
78. eate ZoneDelete Zonelnfo ZoneRemoveDevice ZoneRemoveHost ZoneRemovePort ZoneRetrieve ZoneState Diamond Storage Array Installation and Operation Manual 7 0 Configuring the Diamond VT 47 RAID Level 10 RAID Level 5 Virtual Tape Volumes Hot Spare sleds Zones Interleave Enhancing performance 7 1 Virtual Tape irc cedere ener neo deve uade 49 Configuration examples 7 2 Optional Hot Spare Sled 50 LO ZONES act 51 Principles of Zoning Factors to consider Status and Sense Data Configuring Zoning Errors 8 0 Updating Firmware 55 Updating firmware via the RS 232 serial port Updating firmware via the optional Ethernet card 9 0 Diagnostics Upgrade and Maintenance 57 9 1 Troubleshooting 61 Windows 2000 special instructions Error Messages Command Line Interface messages Specific situations and suggestions 9 2 Resetting Defaults cccceeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeees 63 Default Return to Default settings Factory Default 9 3 Rebuilding RAID Level 5 and 10 Configurations 65 10 0 Hardware Maintenance 67 10 1 Hot Swap Operating Instructions 69 Disk Drives Power Suppl
79. en tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense A xiii ATTO Technology Inc Diamond Storage Array Installation and Operation Manual This unit is designed to only have inside communication lines connected to it no lines outside the building proper The Diamond VT must be provided with adequate air flow To reduce the risk of damage the ambient temperature of the inlet air should not exceed 40 C Service personnel must follow proper grounding methods when working with or around the system because of the Diamond VT s electrostatic sensitive components Use a static wriststrap when handling any components from the Diamond VT Safety compliances UL 1950 3rd Edition CSA 22 2 No 950 95 LEDs and fibre GBIC are Class 1 Laser Rated EMC specifications EN 55022 class A EN 50204 RF Immunity 900 MHz Pulse EN 61000 4 8 Magnetic Immunity EN 61000 4 2 ESD EN 61000 4 3 Radiated Imm
80. erables from industry standards organizations Hot spare sleds replace degraded sleds with spares on the fly using software Staggered drive spin up to reduce peak power demand Tagged command queuing to process up to 255 simultaneous data requests RS 232 management for local management control Ethernet option available for setup connection only ExpressNAV browser based user interface Two power supplies capable of 85 264 V rated 100 240V AC operation 340 watts each UL TUV and CE marked and compliant Internal thermal and power management Redundant hot swappable power supplies with integrated thermal and power management Floor model cabinet or 19 3U rack mount Fibre Channel model S 2 gigabit Fibre Channel Port single or dual channel SFP based Fibre Channel interface supports long wave and short wave optical cables Built in hub for daisy chaining Up to 9 500 I Os per second per port Up to 240 MB sec sustained Fibre Channel transfer rates per interface CSI model Ultra 160 SCSI bus Dual stacked VHDCI connectors for daisy chaining and termination SCSI Target ID selection switch Support for single ended and LVD SCSI No onboard termination Exhibit 1 0 1Back of rack mount model Diamond VT Left 2 gigabit Fibre Channel Right SCSI 2 Diamond overview 2 0 Diamond VT Technical Overview The Diamond VT uses Aggregated Data Transfer Technology ADXT to achieve the high data transfer pe
81. erboseMode Specifies the detail of verbal feedback for the Command Line Interface Disabling this option removes parameter names from get commands and removes descriptions from help commands Default enabled returns have parameter information Set syntax set VerboseMode enabled disabled Get syntax get VerboseMode ZoneCommit Commits the current Planned Zone Configuration making it the persistent Active configuration To complete this procedure the ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command Set syntax ZoneCommit 32 Diamond Storage Array Installation and Operation Manual 6 3 Ethernet Commands Ethernet configuration commands configure the Ethernet and TCP IP parameters for the Diamond Storage Array with an optional Ethernet management services card EthernetSpeed Specifies the speed of the Ethernet Network to which the Diamond Storage Array is connected Choices are 101100 Auto where 10 10 baseT 100 100 baseT Default auto Set syntax set EthernetSpeed 10 100 Auto Get syntax get EthernetSpeed Requires a SaveConfiguration command Returns 10 100 UNKNOWN If auto enabled value in parentheses indicates current speed Exit Exits the current Ethernet telnet CLI session it has no effect 1f used during a serial or in band CLI session Immediate command Exit FTPPassword Specifies a password of up to 32 characters for
82. erial Number MIDP100463 ATTO 0 00 00 10 86 10 45 64 0 00 00 10 86 10 45 64 84 47 16 Accessing the array 4 1 In band CLI Over Fibre Channel In band Command Line Interface CLI configures and manages the Diamond VT using SCSI based CLI commands over a Fibre Channel port connection In band CLI allows a programmer to configure the Diamond VT while it is moving data Using a programmer s interface CLI commands as described previously in this manual may be implemented In band CLI is implemented as part of LUN 0 It uses a different LUN than the Diamond VT and reports as a Storage Enclosure Services SES device device type 0 0 LUN 0 is visible on all Fibre ports but is actually asingle unit The default value for LUN 0 is 0x00 LUN 0 must be reserved for each Write Buffer Read Buffer pair using the SCSI Reserve command to insure integrity of the in band CLI session 1 Aninitiator host sends a SCSI Reserve command to LUN 0 IfLUN 0 is not reserved by another initiator LUN 0 is now reserved and ready to begin a new CLI session Ifthe Diamond VT configuration is reserved by a different CLI session i e serial or Telnet the in band session is not allowed to modify the Diamond VT configuration If you try the results buffer of LUN 0 returns Process X has the configuration reserved ID of this session Y Ready 2 Theinitiator issues a SCSI Write Buffer command to LUN 0 A Wri
83. erlap only Diamond VTs with two operational power supplies and blower assemblies will support Command Overlap the Diamond VT will automatically disable the Command Overlap feature if a power supply fails and notify the System administrator through the audible alarm and CLI If you cannot read or write to the Diamond VT You may have lost connection to the host via the Host Interface Card The HIC LED on the back of the Diamond VT should be lit green The amber LED should go out and the green LED should light when the connection is complete Also check the host bus adapter HBA in the host machine for proper functioning and drivers Verify that the connector and both ends of the cable are completely seated Try connecting directly to the host bypassing any hubs or switches To determine if the problem exists with the Host Interface Card or the connection Swap the cable from one HIC to the other HIC If the LED is now green swap the GBIC and cable back to the original HIC If the LED is green then the GBIC is defective if it is amber the HIC is defective Swap the defective HIC or GBIC see Hot Swap Operating Instructions on page 69 If you can t access the Diamond VT CLI via Ethernet Verify there are three or fewer concurrent sessions using Telnet or FTP You may be the fourth session or someone in another session has entered a command which requires a Save Configuration command Verify you are usin
84. ernet management services card provides Telnet based monitoring and management including firmware update using FTP Remote system monitoring is also available using Simple Network Management Protocol SNMP An agent resides in the Diamond VT which takes information from the Array and translates it into a form compatible with SNMP If certain conditions arise the agent sends asynchronous notifications traps to a client To connect to the Ethernet port 1 Connect a cross over cable for a direct connection to a PC or regular network cable from a network device to the optional RJ45 Ethernet port on the Ethernet management card on the front of the Diamond VT 2 Ifusing a direct connection power on and boot up the host computer 3 Attach a DB 9 null modem serial cable the cable must be no longer than three meters from the RS 232 port of the Diamond Array to a host computer and open a terminal emulator program on the host to set the Ethernet parameters Turn on the Diamond VT 4 First time use Upon successful power up and diagnostics set the host computer with the appropriate settings The host computer must have appropriate network settings to allow it to communicate with the Diamond VT Please see your system administrator for more information To use Telnet 1 If you have not already done so change the IP address from the default by first accessing the serial connection and using the CLI You may change the IP addre
85. es for online data access Each connected system can directly access any attached storage device A SAN maintains greater fault tolerance and load balancing by supporting server clustering and fail over the ability for one server to take over for another in the event of a failure SCSI protocol SCSI pronounced scuzzy stands for Small Computer System Interface a processor independent standard for system level interface between a computer and SCSI devices such as hard disks CD ROM and printers and to other computers and local area networks The protocol has many standards specifying data transfer rates data width and speeds which allow SCSI devices to exchange data and control signals with a computer s CPU Each device connected to a SCSI bus must have a different SCSI ID Definition process of selecting one L Port from a collection of ports which ask for use of the arbitrated a loop topology in which two or more ports are interconnected but only two ports can ATA Advanced Technology Attachment A disk drive interface standard formerly called IDE the ATA specification deals with the power and data signal interface of an integrated disk controller and drive auto negotiation hardware senses and automatically responds depending on configuration Command Line Interface used by applications and advanced users to perform diagnostic or configuration tasks access is available through a computer terminal or terminal emulator vi
86. es of Zoning Zoning provides a validation filter for each SCSI command Each zone entry includes a named zone a host portion a port portion and a device portion The components of a valid path from a host to a device satisfy the following conjunction host name AND port list AND device list Thezone is named to identify it from other zones It appears as zone name in this manual The host portion defines the valid access path from a host through a port to a device LUN representing the Initiator ID in a SCSI 51 environment or the World Wide Port Name in a Fibre Channel environment It appears as host name in this manual The device portion defines the LUN s participating in the zone It appears as device lun in this manual The port portion defines the Fibre Channel or SCSI port in the Diamond VT It appears as port n in this manual The process Each command received by the Diamond VT is parsed to determine its host HBA identifier its port number and the target LUN forming the zone nexus This zone nexus is looked up in the defined zones table If the zone nexus is present the operation continues if it is not found the command is rejected with the appropriate status and sense data Two zone configurations accessed through the Command Line Interface regulate zoning The Planned configuration is a work in process configuration used to build or edit the desired configuration The Planned configuration does
87. ews Correct operation is displayed by a LED at the top of each panel The power supplies for the Diamond VT also in the rear of the unit are accessible by loosening two screws and pulling on the power supply module handle The power standby on off switch is at the top of each module A yellow LED indicates caution and a green LED indicates on The power cord socket is at the bottom of each power supply Between the power supplies and blower assemblies are two slots that hold the Host Interface cards The HIC is the connection point into the Diamond VT and is available in a 2 Gigabit Fibre Channel or Ultra 160 SCSI Host Interface cards have fault and on line or fault and activity LED indicators depending on the model SCSI The SCSI card faceplate has a rotary binary coded hex switch to set the SCSI ID ofthe Diamond VT The SCSI card also has an in channel to connect via cable to the unit s communication source and an out channel available for daisy chaining arrays together or to complete termination using an external LVD terminator Rack mount model The system management card is at the left front of the case At its center is a DB 9 serial RS 232 port which allows a connection for setup monitoring and upgrade of the unit from any computer system with an RS 232 interface The optional 10 100 BaseT Ethernet management services card enables Telnet based monitoring and management It also provides the ability to update the
88. f blocks to a non zero value will limit both the upper and lower block size limits to that number fixed block size Choices are 0 127 Default 0 Set syntax set TapeVolumeBlockSize 0 127 Requires a SaveConfiguration command Get syntax get TapeVolumeBlockSize TapeVolumelnfo Displays information about the named Tape Volume including Volume ID LUN Virtual Disk ID Partition ID Total capacity and percentage of capacity used Get syntax TapeVolumelnfo tape volume TapeWriteProtect Specifies or displays the Hardware Write Protection state of the named Tape Volume Default disabled Set syntax TapeWriteProtect tape volume ID all enabled disabled Get syntax TapeWriteProtect tape volume ID all VirtualDrivelnfo Displays the named Virtual Drive definitions For examples see Information Command Returns on page A iv Immediate command VirtualDrivelnfo active planned Virtual Drive ID ZoneAddDevice Adds one or more LUNs devices to an existing zone LUNs not added to zones are not available To complete this procedure the ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Zone syntax ZoneAddDevice zone name device LUN ZoneAddHost Adds one or more hosts to an existing zone The host is the WWPN of the HBA attached to the system To complete this procedure the Z
89. face is the easiest way to set up your Diamond VT You may also use the Command Line Interface commands A CAUTION Changing these parameters causes all previous drive data on the Diamond VT to be erased Make sure you back up all information before setting up a different configuration RAID Level 10 RAID Level 10 mirroring with striping increases data transfer rates while ensuring security by writing the exact same data simultaneously to two or more different drives RAID Level 10 is used in applications requiring high performance and redundancy RAID Level 5 RAID Level 5 increases reliability while using fewer disks than mirroring by using parity redundancy Distributed parity on multiple drives provides the redundancy to rebuild a failed drive from the remaining good drives Parity data is added to the transmitted data at one end of the transaction then the parity data is checked at the 47 other end to make sure the transmission has not had any errors In the Diamond VT transmitted data with the added parity data is striped across disk drives A hardware XOR engine computes parity thus alleviating software processing during reads and writes The Diamond VT will operate in degraded mode if a drive fails unless you have Hot Spare sleds enabled see below Virtual Tape Volumes When the Diamond VT is configured as a Virtual Tape it is divided into several tape volumes and tape drives based on your choice and the
90. g a crossover cable for direct connection or a network cable for a network connection Verify the Diamond VT is set to IPDHCP enabled if you expect an IP address will be assigned by the network and DHCP is an option available on the network Verify the IP address is compatible with the host Verify the system is functioning and accessible via in band inquires such as Disk Management Try setting your terminal emulator with a different baud rate starting at 2400 then 9600 19200 38400 57600 and 115200 f you perform a hardware restart the Ethernet connection is dropped You must re establish the Ethernet connection f you enter a command that requires a Save Configuration or RestoreConfiguration command in either the serial interface window or the Ethernet connection window you will not be able to access the inactive window until the command is complete in the active window e Ifyou still fail to communicate with the Diamond VT swap out the management card and try to connect using default settings If you do not see the appropriate number of LUNs on the host machine Ensure any configuration changes are appropriate Type FirmwareRestart in CLI Re start the host computer Verify all drives associated with the missing LUN s are inserted properly and powered up 62 Troubleshooting 9 2 Resetting Defaults Resetting the Diamond VT to defaults will not alter the RAID configuration zoning configur
91. g a fault condition more detailed information about the fault may be available via the CLI or the ExpressNAV interface over the RS 232 interface port or the optional Ethernet port These error messages should be reported to technical personnel to assist in debugging the problem The blink codes are also saved internally by the array to NVRAM Non Volatile Random Access Memory and will be displayed at power up if the power to the array 15 recycled Disk Drive Activity and Disk Fault LEDs Each dual disk drive sled assembly contains two green activity LEDs and an amber disk fault LED Once the system has successfully powered up and passed POST the green activity LEDs are full on and the disk fault LED off The Drive 1 and Drive 2 activity LEDs will stay full on when the system is operational and no disk drive activity is present As the disk drives are accessed the green LEDs will flash If the disk drives are heavily accessed the green activity LEDs will appear to flash at a high rate or may even appear to be completely turned off The amber disk fault LED will be off under normal operation If either of the disk drives on a dual disk drive assembly reports a disk error of 59 Diamond Storage Array any kind the amber disk fault LED will come on The disk fault LED can be activated by minor issues such as a disk drive writing to a bad sector which is usually corrected by the disk drive the next time it writes or major issues suc
92. h as a head crash or complete drive failure When the disk fault LED is turned on the system will issue a detailed message via the CLI These messages are not written permanently to the error log file but should be recorded to help assess the disk problem If the disk drive error is a non fatal error and the drive is still functional the array will continue to read and write data to the disk drive but the disk fault LED will remain on If you repeat a drive command or action and it completes successfully the disk fault LED may have been set by an anomaly in the disk drive You can clear the Disk Fault LED by either power cycling the array or issuing the SledFaultLED command in CLI as per Maintenance Services Commands on page 38 If you repeat a disk command or action and the disk fault LED remains on the disk error may be serious You should write down the error message issued by the CLI and contact technical support via the means easiest for you for assistance see Warranty on page A xv If you choose to replace the suspected faulty dual disk drive sled assembly follow the appropriate procedures 60 Monitoring reporting 9 1 Troubleshooting The Diamond VT provides a number of indicators to identify the operational status of the array System status and error information is readily available If your situation is not defined here or elsewhere in the manual if these solutions do not help or if you have any questions or concerns
93. hat column of the table Command Defaults Example Page ATADiskState Online set AtaDiskState 6 1 offline 41 AudibleAlarm Disabled set AudibleAlarm disabled 39 AutoRebuild Disabled set AutoRebuild enabled 41 ClearDiskReservedArea ClearDiskReservedArea 8 2 41 DiamondModel Diamond get DiamondModel 39 DiamondName get DiamondName 39 DriveCopy DriveCopy 1 122 41 DriveCopyHalt DriveCopyHalt 2 2 41 DriveCopyResume DriveCopyResume 2 2 41 DriveCopyStatus DriveCopyStatus 39 Drivelnfo Drivelnfo 3 2 39 DriveSledPower On set DriveSledPower 9 1 off 41 DriveWipe DriveWipe 2 2 42 ECC Enabled set ECC disabled 42 EthernetSpeed Auto set EthernetSpeed 100 33 Exit exit 33 FcConnMode Loop get FcConnMode 35 FcDataRate Auto set FcDataRate 2 gigabit 35 FcFairArb Enabled get FcFairArb 35 FcFrameLength 2048 get FcFrameLength 35 FcFullDuplex Enabled set FcFullDuplex enabled 35 FcHard Disabled get FcHard 35 FcHardAddress 0x03 0x04 get FcHardAddress 0 35 FcNodeName get FcNodeName 39 FcPortlnfo get FcPortinfo 35 FcPortList FcPortList 36 FcPortName get FcPortName 1 39 FcSCSIBusyStatus Busy set FcSCSIStatus qfull 36 FcWWName get FceWWName 0 36 FirmwareRestart FirmwareRestart 32 FTPPassword diamond set FTPPassword barbw52 33 Help Help Drivelnfo 32 IdentifyDiamond Disabled get IdentifyDiamond 39 IdeTransferRate 4 set IdeTransferRate 4 42 29 ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Command IdeWriteCache Info InquiryData I
94. iBusyStatus busy dfull FirmwareRestart Causes a warm restart of the Diamond Storage Array Immediate command FirmwareRestart MaxEnclTempAlrm Sets displays the maximum enclosure temperature alarm of the Diamond Storage Array in degrees Celsius Valid entries are between 5 and 52 degrees and above the current minimum enclosure temperature alarm Default 47 Set syntax set MaxEnclTempAlrm 5 52 Requires a SaveConfiguration command Get syntax get MaxEnclTempAlrm MinEnclTempAlrm Sets displays the minimum enclosure temperature alarm of the Diamond Storage Array in degrees Celsius Valid entries are between 5 and 47 degrees and below the current maximum enclosure temperature alarm Default 5 Set syntax set MinEnclTempAlrm 5 47 Requires a SaveConfiguration command Get syntax get MinEnclTempAlrm ResolveLUNConflicts Re numbers any conflicting Logical Unit numbers that exist in the Diamond Conflicts may occur when a unit is taken from one Array and inserted into another Array Immediate command ResolveLUNConflicts RestoreConfiguration Restores configuration to either the default configuration or the configuration last saved into non volatile memory The saved option will undo any changes made since the last save Immediate RestoreConfiguration Default Saved SaveConfiguration Ifthe restart option is selected the Diamond will cycle its power The norestart option will save changes without restarting Please no
95. ies Blower Assemblies ATTO Technology Inc Appendix Glossary iuis niet on ckont ini exxixei duni i Fibre Channel technology SAN technology SCSI protocol Appendix B ATA Disk Technology iii Appendix C Information Command Returns iv Driveinfo VirtualDrivelnfo Appendix D Sample Zoning Command Sequences ix Pipot Tile YOVOLYLPATLOV Eunice YOVOLYLPALTLOV Lypwetpry Moder Moder XouPived Lyppetpry Aowypetpry Moder Appendix E Specifications nnmnnn nnana xii Environmental and physical Rack Mount Dimensions Floor Mount Dimensions Appendix F Product Safety o reri ier nao cernn eran te xiii Safety compliances EMC specifications Radio and television interference Appendix Part numbers nenne eeeeee nennen nnn xiv Appendix H Warranty EE XV Manufacturer limited warranty Contact ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Preface This guide will take the technology savvy user through the installation and maintenance of the Diamond Storage Array VT The Diamond VT was designed to meet y
96. individual drives the Hot Spare sled replaces the Faulted sled in the Virtual Device arebuild will automatically start after the Hot Spare is switched into the Virtual Device even if AutoRebuild is disabled the Drivelnfo command will list the number of Hot Spare sleds currently in the system you can replace the faulted drive or sled later However faulted is a non persistent state After a power cycle the faulted sled will display on the Drivelnfo screen as having no type i e the type field will be blank The sled cannot be accessed but must be removed and replaced If it is replaced it will become part of any open Virtual Disk in this order 1 if a Virtual Device is missing a sled or you are hot swapping a sled the new sled becomes part of the existing Virtual Device 2 if a Hot Spare sled is missing the new sled will become a Hot Spare sled The simplest way to set up Hot Spare sleds is to use the ExpressNAV interface However you may use the CLI as follows To set up RAID Level 10 with Hot Spare sleds 1 Connect to Diamond VT services see Accessing the Diamond VT on page 15 and use the CLI 2 set QuickTape RAID10 15 1 enabled 3 Type SaveConfiguration Restart The Diamond VT will be configured into RAID Level 10 with one tape drive 15 tape volumes and two Hot Spare sleds To set up RAID Level 5 and Hot Spare sleds 1 Type set QuickTape RAID5 30 2 enabled 2 SaveConfiguration Restart
97. ion Restart command to implement the rebuild priority command ATTO Technology Inc Diamond Storage Array Installation and Operation Manual To synchronize mirrored drives manually The most efficient method to synchronize Virtual Tape configurations is to enable Hot Spares or the auto rebuild feature 1 Connect to Diamond Storage Array services via the RS 232 port or the optional Ethernet management services card see Accessing the Diamond VT on page 15 You should now be in CLI Access the RAID page of the ExpressNAV interface see ATTO ExpressNAV Browser based Interface on page 23 Use the VirtualDrivelnfo and TapeVolumelnfo commands to identify a Tape Volume associated with the RAID group you wish to rebuild Go to the Move Medium page Drag the selected Tape Volume into an unoccupied Tape Drive LUN From the CLI window initiate a Rebuild operation from the Tape Drive LUN to the desired Drive Sled Lm A Note When this rebuild operation has completed the entire RAID group will have been rebuilt effectively rebuilding all Tape Volumes associated with the underlying RAID Group you do not need to rebuild each Tape Volume separately 66 rebuilding RAID 10 0 Hardware Maintenance The disk drive sleds blower assemblies power supplies host interface cards and system management card may be replaced with identical or upgraded parts A CAUTION Do not leave empty openings on the front or rear of the Diamond
98. l 5 Pull power supply out of chassis using the power supply module handle 6 Install new power supply in chassis with proper orientation Power supply is keyed and can only be inserted one way 7 Tighten the two screws on the power supply with the appropriate tool Connect AC line cord Turn on power supply switch 0 Verify correct operation by observing that the green light on the rear of the power supply is lit and that the appropriate power supply light on the system management card on the front of the unit is lit A Note It takes up to 30 seconds for the system to recognize the insertion or removal of a power supply and change the LED on the system management board The CLI will issue messages about the change see Diagnostics Upgrade and Maintenance on page 57 Blower Assemblies CAUTION Do notleave empty openings on the front or rear of the Diamond VT under any circumstances Empty openings affect airflow and may cause the unit to overheat and shut down The Diamond VT contains two blower assemblies The blowers are critical to proper array cooling operation However the array can operate with only one functional blower within certain ambient temperatures The blowers are electronically connected to the power supplies and a power supply will not run without its corresponding blower assembly operating This means ifthe blower adjacent to power supply A is removed the A power supply will shut
99. lDuplex causes half duplex mode Applies to both Fibre Channel ports Default enabled Set syntax set FcFullDuplex enabled disabled Requires a SaveConfiguration Restart command Get syntax get FcFullDuplex FcHard If hard addresses are enabled the Diamond Storage Array tries to use its internal hard address as its address on the loop Under soft addressing the Diamond Storage Array loop address is assigned during loop initialization Use FcHardAddress described below if you enable hard addressing Applies to both Fibre Channel ports Default disabled Set syntax set FcHard enabled disabled Requires a SaveConfiguration Restart command Get syntax get FcHard FcHardAddress This hexadecimal value represents the address the Diamond Storage Array tries to use if hard addressing is enabled When an optional address is not present the current value is displayed Each port has individual hard address value Default 0x03 for port 0 0x04 for port 1 Set syntax set FcHardAddress fp address Requires a SaveConfiguration Restart command Get syntax get FcHardAddress fp FcNodeName Returns the Fibre Channel node name stored in NVRAM for this Fibre Channel port the same as the World Wide Name for port 0 Get syntax get FcNodeName FcPortinfo Retrieves information about the current state of each Fibre Channel port The status field indicates disabled when a port has been internally disabled Immediate command
100. lected Click on the Miscellaneous tab Click on Metarefresh The default username is Diamond The default password is Password 5 product faceplate display appears Click the component you want to manage on the left hand side menu or go to the Advanced screen to use the CLI Clicking on any of the red option names will bring up a help window After making changes on a page click the Submit button at the bottom Clicking this button is equivalent to typing in all the CLI commands and then the command saveconfiguration norestart ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Exhibit 5 0 3 Navigating ATTO ExpressNAV screens Information required to perform changes ATTO Diamond ATTO Technology Inc RAID Configuration Info for Virtual Device 59 State Capacity Interleave Type VDID Parts DEGRADED 305161MB 128 RAIDS 59 8 Set Rebuild State Sidebar Rebuild State ok degraded faulted halted ees We Ook 9 degraded faulted halted item you Ook degra faulted halted wish to Submit Reset options view Options Interleave 128 to Rebuild enabled 9 disabled Parameter name Submit button R set button Red print provides same as typing all return to previous link to help text commands and setting without saveconfiguration making any changes norestart 24 ExpressNAV 5 1 ExpressNAV Pages Each
101. ltra160 SCSI 160 16 12 16 Exhibit 3 2 2SCSI interface cards left without terminators attached right with a terminator attached 13 ATTO Technology Inc Diamond Storage Array Installation and Operation Manual 14 SCSI connections 4 0 Accessing the Diamond VT Communicate with the Diamond VT through the Fibre Channel link the RS 232 port or the Ethernet port using Command Line Interface commands or ATTO ExpressNAV an integrated user management console You may configure and tune the Diamond VT for different environments and applications update the firmware monitor internal power and temperature status report on hardware diagnostics and log failures Three avenues are available n band SCSI over Fibre Channel and over SCSI RS 232 port Telnet and SNMP over Ethernet The following chapters describe how to access the Diamond VT and use the Command Line Interface or ATTO ExpressNAV an integrated user management console Command Line Interface The Command Line Interface provides access to the Diamond VT through ASCII command lines An initial display after powering up the unit or restarting the firmware contains the information in Exhibit 4 0 1 Once the initial display is complete with the word Ready you are in the Command Line Interface mode Type Help to display a list of all commands available ATTO ExpressNAV ATTO ExpressNAV isan integrated configuration tool accessible
102. ly the Status and Storage Management or use the appropriate CLI commands If a drive fails to respond Determine which drive has failed by observing the amber fault LED on the drive sled or connect to the CLI and type driveinfo for a list of all drives and their status For specific information on a particular drive in CLI type driveinfo sled number drive number Record all errors ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Follow the instructions in the appropriate chapters of this manual to remove replace and reconfigure the drive such as Hot Swap Operating Instructions on page 69 You may copy drives by using Command Line interface commands Refer to Drive Management Commands on page 41 If a power supply fails Verify the power cord is correctly plugged and there is power at the power receptacle fthere is power the cord is secure and the blower and power supply LEDs are off replace the blower unit Refer to Hot Swap Operating Instructions on page 69 If there is power the cord is secure and the power supply LED is off but the blower LED is on replace the power supply Refer to Hot Swap Operating Instructions on page 69 Command Overlap The Diamond VT contains special software to take advantage of the Command Overlap feature offered in some high performance disk drives Because all 24 disk drives in a Diamond Array may be seeking at the same time under Command Ov
103. may have two Fibre Channel Host Interface Cards HIC Each HIC is connected by a Fibre Channel cable via an SFP small form factor pluggable module into a point to point or loop Fibre Channel topology 2 Gb HIC uses 2 SFPs to connect up to 2 FC cables 1 Install the SFP according to the manufacturer s instructions 2 Insert the SFP into the Fibre Channel Host Interface Card in the back of the Diamond VT 3 Insert the correct cable The cable you use depends upon your application the environment and the distance required for your storage area network To comply with FCC and CE EMI for the 2 gigabit Host Interface Card use fiber optic cables Exhibit 3 2 1 1 Fibre Channel cable options Cable length Cable type Cable size 10 meters Unequalized copper 210 30 meters Equalized copper Up to 175 multi mode fiber 62 5 meters optic micron Up to 500 multi mode fiber 50 micron meters optic Up to 10 single mode fiber 9 micron kilometers optic Each HIC has two ports and an on board hub Each port has an SFP module to connect to Fibre Channel Each HIC is independent ofthe other so that one may be connected into a point to point topology and the other into a loop However if 11 one port in a HIC is connected into a point to point topology the other port cannot be used One of the advantages of using loop topology for Fibre Channel connections is that it all
104. nce and if the RS 232 system management port is connected a list of tests and test results will scroll across the screen When the POST is nearly complete all the LEDs on the array will flash simultaneously twice in a row If the system is fully operational the ready LED will be lit and the unit is ready to be accessed If the POST fails the System Fault LED will be lit and an error code will be flashed Ready LED The Ready LED RDY indicates the operational status of the Diamond VT 57 At power up the green Diamond Array Ready RDY LED is disabled until successful completion of the POST Power On Self Test indicating the array is ready for normal operation If a host computer is hooked to either Fibre Channel or SCSI port the Ready LED will momentarily blink and then stay lit if the connection is good If that host is rebooted the Ready LED will blink again and stay on once the connection is reestablished Audible Alarm The Diamond VT audible alarm warns of potential problems or faults It beeps twice at power up to indicate it is operational and will beep repeatedly when the System Fault FLT light on the system management card is activated The alarm will turn off when the fault condition is cleared or the alarm can be disabled by issuing an AudibleAlarm disabled or PowerAudibleAlarm disabled command via CLI as described in Maintenance Services Commands on page 38 Disabling the alarm for a specific error will not silenc
105. ned by supplying a drive identifier VD ID is Virtual Disk ID Get syntax Drivelnfo sled ID drive ID FcNodeName Returns the Fibre Channel node name stored in NVRAM for this Fibre Channel port the same as the World Wide Name for port 0 Get syntax get FcNodeName FcPortlnfo Retrieves information about the current state of each Fibre Channel port The status field indicates disabled when a port has been internally disabled Immediate command FcPortInfo 39 FcPortList Lists the status of all available Fibre Channel ports Immediate command FcPortList FcPortName Returns the Fibre Channel port name stored in NVRAM for this Fibre Channel port Get syntax get FcPortName port number Help Displays a list of available commands Type help followed by a command name to display detailed command specific information Get syntax Help Command Name IdentifyDiamond Enable this option to identify the current Diamond Storage Array The fault LED on its front panel blinks Disable to cancel the blink code Set syntax set IdentifyDiamond enabled disabled Get syntax get IdentifyDiamond Info Displays version numbers and other key information about the Diamond Storage Array including data rate connection mode WorldWideName Diamond Storage Array name Immediate command Info all LUNInfo Displays information about all LUNs logical unit numbers or detailed information about a specific
106. ng the RS 232 port or Telnet The Diamond VT should first be configured for the network using the RS 232 port to establish the correct IP address ATTO Technology Inc Diamond Storage Array Installation and Operation Manual SNMP SNMP or Simple Network Management Protocol is an application layer protocol that allows network devices to exchange management information Through a combination of standard and custom MIBs Management Information Base the Diamond VT provides status and error indications to an SNMP server allowing the Exhibit 4 0 1 The POST information displayed after b Array to be managed with other devices in a complex system through a common interface You use CLI commands to configure up to six unique Trap addresses A trap is a way for the Diamond VT to tell the SNMP server that something has happened oot of the Diamond VT Initialization Complete Diamond Storage Array 128 Megabytes of RAM Installed 2 2 Interface 0 World Wide Name Interface 1 World Wide Name Diamond Array Name x System Serial Number Active Configuration DiamondClass T Internal Temperature 25 C 5 ErrorLog Contents NO ERRORS For help type HELP ll ll Ready c 2004 ATTO Technology Incorporated Firmware version A21R release date Apr 30 2004 11 14 42 Build A21R Power On Self Test Completion Status GOOD Interface Port 0 is not installed Interface Port 1 is not installed Diamond Array S
107. nge 6 9 6 7 8 9 Boldface words must be typed as they appear Italicized words Arguments which must be replaced by whatever they represent Fp Fibre Channel port number 0 lt fp lt 1 FI Fibre Channel LUN 0 lt fl lt 24 where 0 represents the Diamond VT unit and 1 24 represent the disk drives device_lun The LUN of the RAID drive used in zoning host_name In a Fibre Channel environment the WWPN World Wide Port Name in a SCSI environment SCSI Initiator ID used in zoning port_number The Diamond port number 0 1 for the data path used in zoning zone_name Alphanumeric or _ character string less than or equal to16 characters long used in zoning Exhibit 6 0 3 CLI commands returns may be terse short or verbose with parameter names and details of results Zoning command returns follow these patterns return type mode return format content errors context sensitive error message n ERROR message n command completion Ready n single line output multiple line output shows the line shows the line count followed by the output lines 28 Command Line Interface 6 1 Summary of CLI Commands A summary of the Command Line Interface commands their defaults an example of how they might be used and where you can find the specifics of the command Commands which have no default values associated with them have a blank entry in t
108. ngth terminated with a NULL character 0x00 Characters following the NULL character are meaningless A CHECK CONDITION INVALID PARAMETER IN CDB is returned ATTO Technology Inc Diamond Storage Array Installation and Operation Manual to an initiator that specifies an incorrect Buffer always Data 0x2 the Buffer ID is always 0 and ID Mode Length or Buffer Offset The Mode is the Buffer Offset is always 0 Exhibit 4 1 2 The SCSI command process reserve the Diamond VT send the command release the Diamond VT Initiator Host Diamond VT Goal reserve the Diamond VT for an in band CLI command SCSI cdb Reserve LUN 0 gt lt SCSI success Goal retrieve the Diamond VT temperature via in band CLI 1 Issue the command SCSI cdb WriteBuffer LUN 0 bid AA get Temperature n gt places Temperature 28C n r into the read data buffer lt SCSI success 2 Retrieve the results SCSI ReadBuffer LUN 0 bid AA gt lt Returns Temperature 28C n r from the read data buffer lt SCSI success Goal release the Diamond VT for other in band users SCSI cdb Release LUN 0 gt lt SCSI success 18 In band 4 2 Serial Port Access The Diamond VT provides remote service operations over the RS 232 serial port using standard terminal emulation software available with most systems The Diamond VT supports service operations over the RS 232 serial port
109. oneCreate zone_2 ZoneAddHost zone_2 20 00 00 60 32 01 02 12 ZoneAddHost zone_2 20 00 00 10 10 10 86 01 ZoneAddDevice zone_2 1 2 ZoneAddPort zone_2 0 ZoneCreate zone_3 ZoneAddHost zone 3 20 00 00 08 11 01 22 22 ZoneAddHost zone 3 20 00 00 10 10 10 86 01 ZoneAddDevice zone 33 ZoneAddPort zone 3 1 ZoneState zone 1 enabled ZoneState zone 2 enabled ZoneState zone 3 enabled ZoneCommit Clears any previously defined zones Creates a zone named zone 1 Adds host 1 WWPN to zone 1 Adds metadata controller host WWPN to zone 1 Adds LUN 1 and LUN 2 to zone 1 LUN 1 and LUN 2 will be available through HIC 0 for only the hosts in zone 1 Creates a zone named zone 2 Adds host 2 WWPN to zone 2 Adds metadata controller host WWPN to zone 2 Adds LUN 1 and LUN 2 to zone 2 LUN 1 and LUN 2 will be available through HIC 0 for only the hosts in zone 2 Creates a zone named zone 3 Adds host WWPN to zone 3 Adds metadata controller host WWPN to zone 3 Adds LUN 3 to zone 3 LUN 3 will be available through HIC 1 for only the hosts in zone 3 Enables Zone 1 Enables Zone 2 Enables Zone 3 Sets the Planned Zoning Configuration into the Active configuration No other LUNs will be available to any host Appendix Combined Symmetric Asymmetric Model Many hosts All zone commands except ZoneCommit affect only the planned configuration ZoneCommit sets the Planned Configuration into the Activ
110. oneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration ZoneAddPort Adds or more ports name to an existing zone The port refers to the specific Host Interface Card on the Diamond Storage Array either 0 or 1 To complete this procedure the ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Set syntax ZoneAddPort zone name 0 1 44 CLI configure drives ZoneClearAll Removes all entries from the Planned Zone Configuration Removes any active zones if followed immediately by a ZoneCommit command Set syntax ZoneClearAll ZoneCommit Commits the current Planned Zone Configuration making it the persistent Active configuration To complete this procedure the ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command Set syntax ZoneCommit ZoneCreate Creates a new named zone Names may be up to 16 characters To complete this procedure the ZoneState command must be entered as enabled to activate the zone before using the ZoneCommit command which makes the Planned Zone Configuration the Active configuration Set syntax ZoneCreate zone_name ZoneDelete Deletes one or more named zones To complete this procedure the ZoneSt
111. oning Displays the current configuration of the Diamond VT Changes may be made See Zones on page 51 for more information Tape Volumes Displays the Volume ID and capacity capacity used and capacity remaining of tape volumes You may also Write Protect a Virtual Tape Volume See Configuring the Diamond VT on page 47 for more information Tape Drives Sets up Virtual Tape configurations and displays the LUN state partition ID Virtual Disk ID Tape Volume ID and the capacity and usage percentage of all the tape drives See Configuring the Diamond VT on page 47 for more information Move Medium Manually move the available tape volumes in or out of a tape drive by dragging and dropping a tape volume icon onto one of the tape drive icons Rebuild Displays the current status of rebuilds and allows you to halt resume or initiate rebuilds See Drive Management Commands on page 41 for more information Configuration Manages with configurable options User name Password Minimum operating temperature Maximum operating temperature dentify Diamond Restore defaults Refer to Maintenance Services Commands on page 38 for details Advanced Input any CLI command available through the Diamond VT while in ExpressNAV To use the advanced page CLI commands 1 After the page opens and the Ready prompt appears type in the CLI command 2 Click the Submit button the equivalent of typing the CLI command
112. optional Ethernet port The blink codes are saved internally by the array to NVRAM and are displayed at power up 61 Command Line Interface messages ERROR Wrong Missing Parameters Check Help for the correct input and retype command ERROR Invalid Command Type help for command list Check Help to find a list of all commands which are available Contact Diamond VT technical support via the means easiest for you Refer to Warranty on page A xv for additional information ERROR Command Not Processed The Diamond VT did not accept the command you requested Check Help for a list of commands or check this manual for the function you wish to access If you cannot accomplish what you want to do with the commands listed contact Diamond VT technical support via the means easiest for you Audible Alarm The Diamond VT audible alarm will warn of potential problems or faults It will beep repeatedly when the System Fault FLT light on the system management card is activated The alarm will turn off when the fault condition is cleared or the alarm can be disabled by issuing AudibleAlarm disabled or PowerAudibleAlarm disabled command via CLI as described in Maintenance Services Commands on page 38 Disabling the alarm for a specific error will not silence the alarm for other error conditions Specific situations and suggestions For all problems first check the pages of the ExpressNAV interface appropriate for the problem especial
113. or 10 rebuild If you select High priority rebuild I O requests are implemented before system I O requests I f you select Low priority rebuild I O requests executes only when there are no pending I O requests If you select Same priority rebuild I O and system I O receive equal consideration Set syntax set RebuildPriority high low same Requires a SaveConfiguration Restart command Get syntax get RebuildPriority ResolveLUNConflicts Re numbers any conflicting Logical Unit numbers that exist in the Diamond Conflicts may occur when a unit is taken from one Array and inserted into another Array Immediate command ResolveLUNConflicts RestoreModePages Restores all mode pages to the factory set default Restarting the Diamond Storage Array is required for settings to take effect Set syntax RestoreModePages SledFaultLED Changes the state of the selected sled LED to the indicated state Enter the sled number 1 12 or all on or off Default off Set syntax set SledFaultLED all sled number on off TapeDrivelnfo Displays information about the named Tape Drive including LUN Tape Volume ID and state of the tape drive Immediate information TapeDrivelnfo tape drive 77 TapeVolumeBlockSize Determines the volume s block size in increments of 512 byte blocks Setting the number of blocks to 0 will allow devices to have different upper and lower block size limits variable block size while setting the number o
114. or pausing I O operations during zoning changes is the responsibility of the host computer external to the Diamond VT You must refer to a device by a consistent LUN across zones in accordance with Fibre Channel specifications Status and Sense Data configuration is replicated as the Planned configuration after the successful ZoneCommit after power up and after ZoneRetrieve This replication eases incremental modifications to the current zone configuration you only need to enter changes Modifications to the Planned Configuration made before ZoneCommit are not persistent and are lost in the case of power up To determine what is in the Active Configuration type Zonelnfo RAID configuration changes require planning and preparation independent of whether any zones are enabled Such changes affect data integrity and any write to an incorrect LUN may result in data corruption Degraded operation and RAID rebuilding occur at a lower level than the Zoning features SCSI command operation continues to operate and you can modify the Zoning configuration via the ZoneCommit command at any time Zone validation of switch fabric routing is not supported The Diamond VT operates within a SAN environment including host systems host bus adapters switches and other devices The Operating System you use may limit zoning flexibility in your SAN Youmay create up to 32 zones Each zone may have up to two ports up to 24 devices and
115. ose Manufacturer s responsibility to repair or replace a defective product is the sole and exclusive remedy provided to the customer for breech of this warranty Manufacturer will not be liable for any indirect special incidental or consequential damages irrespective of whether Manufacturer has advance notice of the possibility of such damages No Manufacturer dealer agent or employee is authorized to make any modification extension or addition to this warranty Customer service sales information and technical support are available by phone Monday through Friday Eastern Standard Time 8 00 a m to 8 00 p m or by fax and web site 24 hours a day ATTO Technology Inc 155 CrossPoint Parkway Amherst New York 14068 716 691 1999 voice 716 691 9353 fax http www attotech com diamond ATTO Technology can also be reached via e mail at the following addresses Sales Support Technical Support sls attotech com A xv techsupp attotech com ATTO Technology Inc Diamond Storage Array Installation and Operation Manual
116. our need for large amounts of easily accessible storage using proprietary Aggregated Data Transfer Technology ADXT to merge the power of multiple high performance ATA disk drives with the sustained data transfer rates required by sophisticated computer users Your comments help us improve and update our products Contact us Disclaimer Although reasonable efforts have been made to assure the accuracy of the information contained herein this publication could include technical inaccuracies or typographical errors Manufacturer expressly disclaims liability for any error in this information and for damages whether direct indirect special exemplary consequential or otherwise that may result from such error including but not limited to loss of profits resulting from the use or misuse of the manual or information contained therein even if Manufacturer has been advised of the possibility of such damages Any questions or comments regarding this document or its contents should be addressed to Manufacturer ATTO Technology Inc 155 CrossPoint Parkway Amherst New York 14068 716 691 1999 voice 716 691 9353 fax http www attotech com diamond ATTO Technology can also be reached via e mail at the following addresses Sales Support Technical Support sls attotech com techsupp attotech com Manufacturer provides this publication as is without warranty of any kind either express or implied including but
117. ows Diamond VT units to be daisy chained together See Exhibit 3 2 1 2 Autoconfiguration The Diamond VT automatically determines if the Array HICs are in loop or point to point topologies If you wish to see how the unit has been set up go to the CLI commands and type Info or go to the Status page of the ExpressNAV interface The return displays the data rate and connection mode for each HIC FC 0 and FC 1 Manual configuration You may manually configure the Diamond VT using CLI commands see CLI Interface via ASCII based Commands on page 27 or access the Fibre Channel page of the ExpressNAV interface The FCConnMode CLI command specifies the Fibre Channel topology for both HICs on a Diamond VT Options are loop only loop point to point only ptp loop preferred loop ptp or point to point preferred ptp loop Loop connects to either an FC AL arbitrated loop or a fabric loop port FL_Port on a switch Point to point ptp connects to a direct fabric connection such as an F port on a switch Loop ptp allows the Diamond VT to determine what kind of connection to use but tries to connect in loop mode first then point to point mode Ptp loop allows the card to determine what kind of connection to use but tries to connect in point to point mode first then loop mode ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Exhibit 3 2 1 2 Possible 2 gigabit Fibre Channel physical connec
118. ple Zoning Command Sequences in the Appendix on page ix To create a zone 1 The Diamond VT must be configured to the appropriate QuickRAID configuration before applying the Zoning configuration X Note Interpretation of the Zoning command is a single forward pass so any entities referenced in any command must have been previously defined or you will receive an error message 2 Type Zonelnfo Planned to determine the status of a Planned Zone Configuration 3 Type Zonelnfo to determine the status of an Active Zone Configuration 4 Ifyou want to start fresh and create zones without reference to the definitions in the current Active Zone Configuration type ZoneClearAll to remove all entries from the Planned zone definition table 5 Create a new named zone Type ZoneCreate zone name 6 Add the devices hosts and ports you want to include in the zone ZoneAddDevice zone name device lun ZoneAddHost zone name host name ZoneAddPorts zone name port number 7 Enable the zone type ZoneState zone name enabled 8 ZoneCommit to make this Planned Zone Configuration the Active Zone Configuration 53 Diamond Storage Array See Sample Zoning Command Sequences in the Appendix on page ix If the Diamond pauses operation by using a queue while a ZoneCommit command is executing 1 The Diamond VT completes any in process I O requests received before the ZoneCommit command was issued 2 array performs the zoning changes
119. r code used by tape backup software The remaining four characters will be entered by the system automatically to identify the tape number Refer to Virtual Tape on page 49 for more information and examples The maximum number of tape volumes and tape drives for RAID Level 5 is 30 The maximum number of tape volumes and tape drives for RAID Level 10 is 15 You must designate either enabled or disabled for the Hot Spare option when designated a barcode prefix All arrays using RAID level 10 and Hot Spare sled options must be fully populated Configuration examples RAID Level 10 with Hot Spare sleds set QuickTape RAID10 15 1 enabled SaveConfiguration Restart The Diamond VT will be configured into RAID Level 10 with one tape drive 15 tape volumes and two Hot Spare sleds RAID Level 5 and no Hot Spare sled set QuickTape RAID5 30 2 SaveConfiguration Restart The Diamond VT will be configured into RAID Level 5 with two tape drives and 30 tape volumes 6 Installation 3 1 Diamond VT Components The Diamond VT has been designed to be easy to use maintain and upgrade It features a durable steel outer case and modular components in either a floor or a rack mount model Immediately upon receipt check the shipping carton for damage from mishandling Contact us at once via the means that is easiest for you see Warranty on page A xv if the carton has been mishandled or displays any signs of damage The
120. rformance you need ADXT merges the performance of multiple ATA drives together to achieve sustained full bandwidth Fibre Channel data transfer rates Unlike other storage arrays which use expensive technology to create a higher performance SCSI or Fibre Channel disk drives to achieve storage solution performance the Diamond Series uses lower cost Using this technology we are able to provide a ATA disk drives combined with an intelligent storage array that delivers faster sustained data midplane to create a storage array with transfer rates as well as impressive I Os per exceptional pr ice and performance second at a new price point in the storage market characteristics The Diamond Array is made up of dual SCSI or The intelligent midplane contains hardware and Fibre Channel host interface cards the intelligent software which provide the proprietary ADXT a midplane a system management card and 12 switched data management and data movement independent disk drive sleds containing up to 24 ATA disk drives Exhibit 2 0 1 Data pathways and architecture for Fibre Channel operation Local Terminal RS 232 In band management SNMP Telnet Management Etherne software i System Intelligent Management Midplane idi Ultra160 SCSI Host ADXT organized data streams al Disk Dual Disk pud E C C RM CLIE DriveSled 3 ATTO Technology Inc Diamond Storage Array Installation and Operation Manual ADXT Powers
121. ror message or Ready Zone commands do not use the get set forms See Zones on page 51 for more information on how to use Zone commands Symbols typefaces and abbreviations used to indicate functions and elements of the command line interface used in this manual include those found in Exhibit 6 0 2 Exhibit 6 0 1 Command Line Interface actions and responses Set commands configure the Diamond VT and display what you have changed after completing the task Commands which require a SaveConfiguration command to complete their implementation will return Ready Set commands which do not require a SaveConfiguration command are immediately implemented followed by Ready Get commands display information about the configuration of the Diamond VT Responses to get commands are specified in the Results field for each command Screen messages also called returns may be either terse with just the current information or verbose with labels and the current information Default is verbose If you want the terse mode type set VerboseMode disabled 27 ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Exhibit 6 0 2 Symbols typefaces and abbreviations used to indicate functions and elements of the Command Line Interface Symbol Indicates Required entry E OE Optional entry pick of Ellipses repetition of preceding item n end of line a ra
122. rray can be mounted via several different methods in a 19 rack with 3U 5 25 of vertical space required Air flow should not be restricted in any way Installation in a rack may create a differential between the room ambient temperature and the internal ambient temperature in the rack While the maximum internal operating temperature of the Diamond VT 15 47 you should not run the system at the maximum temperature for extended periods Therefore ensure that the room ambient temperature is kept below 30 C for best operation Each side ofthe rack mount Diamond VT chassis has three pairs of mounting holes One is located near the front of the rack one near the unit s center of gravity and one near the rear of the rack The holes accommodate 10 32 screws but the screws can protrude no farther than 375 inches into the rack 9 Spaced rail pairs in some rackmount cabinets You can mount the Diamond V T using two sets of rail pairs spaced to accommodate the overall length of the unit approximately 23 inches Mount using the rack mount brackets on the front and rear of the unit fastened to the rail pairs using 10 32 pan head screws with lock and flat washers Rack mount cabinets with stationary shelf or tray system The shelf or tray must be able to support at least 125 pounds The shelf or tray must be installed and secured to the rack before installing the Diamond VT Secure the front of the array to the rack with 10 32 screw
123. s It clearly indicates that ATA drive technology offers characteristics that ideally suit it for in the box usage in high capacity high performance disk arrays Feature IDE ATA SCSI Fibre Channel Connectivity Max Devices 2 16 126 millions Cable Length 46 cm 46 cm 25m 10 km Performance Bandwidth 16 MB sec 100 MB sec 160 MB sec 200 MB sec Bandwidth drive 8 MB sec 33 MB sec 10 MB sec 1 6 MB sec Multi threaded I O No Yes Yes Yes Max Initiators 1 1 lt 16 125 millions Topology Bussed Bussed Bussed Loop Fabric Error Detection None Yes Yes Yes Protocol weight very light light medium to heavy heavy Cost Interface n a lowest medium to high highest Drives n a lowest medium to high medium to high Manageability none low to medium medium medium A iii ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Appendix C Information Command Returns Driveinfo Sled Capacity Errors TYPE VDID Capacity Errors TYPE VDID 76292MB 0 JBOD 76292MB 0 JBOD 13 2 76292MB 0 JBOD 2 76292MB 0 JBOD 14 3 76292MB 0 JBOD 3 76292MB 0 JBOD 15 4 76292MB 0 JBOD 4 76292MB 0 JBOD 16 5 76292MB 0 JBOD 5 76292MB 0 JBOD 17 6 76292MB 0 JBOD 6 76292MB 0 JBOD 18 7 76292MB 0 JBOD 7 76292MB 0 JBOD 19 8 76292MB 0 JBOD 8 76292MB 0 JBOD 20 9 76292MB 0 JBOD 9 76292MB 0 JBOD 21 10 76292MB 0 JBOD 10 76292MB 0 JBOD 22 11 76292MB 0 JBO
124. s locks and flat washers Sliding shelf or tray type systems should never be used under any circumstances Two point open rack system The rack must be strong enough to support the Diamond Array properly Mounting brackets should be moved to the centermost mounting holes and secured using 10 32 screws A CAUTION Do not mount multiple Diamond VT units on a two rail rack or mount the array above the midpoint of a two rail rack system Do not mount the Diamond VT on any kind of rail type system The array is too heavy and does not have the proper hole pattern for rails Insure the Diamond VT has adequate air flow and continue with the general instructions ATTO Technology Inc Diamond Storage Array Installation and Operation Manual General Instructions 1 Insert the proper connector into the Host Interface Card in the back of the Diamond VT See Connecting a Fibre Channel Array on page 11 or Connecting a SCSI Array on page 13 Connect the cable Fibre Channel or SCSI from your host system to the Host Interface Card connector on the back of the Diamond VT The cable you use depends upon your application the environment and distance Make sure the power switches on the power supplies on the rear of the unit are in the stand by position Plug in the power cords to the back of the unit then into an appropriate power source 100 240 VAC The power source must be connected to a protective earth ground and comply
125. ss to a network specific value or if the local network uses DHCP you may enable automatic IP addressing set IPDHCP enabled using the CLI 2 Open a Telnet session on the host computer 21 P address Porttype telnet Terminal type vt100 3 If you make any changes to the network setting on the Diamond Array use the SaveConfiguration Restart command 4 Username password You are prompted for username and password up to eight characters each case insensitive Only one username password combination is available per Diamond VT Youmay change the telnet username and or password after entering a CLI session using the commands set TelnetUsername username set TelnetPassword password Or you may change the telnet username and or password using the Configuration page of the ExpressNAV interface The default username is telnet and default password is diamond 5 Inthe Command Line Interface mode see a list of available commands by typing help at the Ready prompt or refer to Summary of CLI Commands on page 29 6 Using the ExpressNAV interface configure the unit as RAID Level 10 or RAID Level 5 with zones and or Hot Spare sleds as described later in the manual To use SNMP 1 Enter the Command Line Interface through the serial port or Ethernet 2 Change the IP address to a network specific value or if the local network uses DHCP enable automatic IP addressing 3 Set the number of trap client addre
126. sses by typing set SNMPTrapAddress 1 6 IPAddress Level 4 Type set SNMPUpdates enabled 5 Type set SNMPTraps enabled 6 SaveConfiguration restart to reboot the Diamond VT 7 Install SNMP management software on each client you wish to receive traps messages ATTO Technology Inc Diamond Storage Array Installation and Operation Manual 11 12 13 Call technical support see Warranty in the Appendix page xv to get the appropriate MIB file for your Diamond VT For each client copy the MIB file to the directory containing the SNMP management software From within the SNMP management software compile the file attodmnd mib mib according to the software s procedures Unload any default MIBs Load the Diamond MIB ATTODIAMOND When requested enter the Diamond VT IP address as the Remote SNMP Agent 14 The SNMP management software contacts the agent in the Diamond VT The screen displays system information 15 Status is monitored and reported through the SNMP management software Traps are generated for the following situations Temperature status changes in any of the sensors located on the Diamond VT mid plane A drive or a sled is physically removed from the Array or put into the Array The power supply is turned on or off The fan is physically stopped 22 Ethernet protocols 5 0 ATTO ExpressNAV Browser based Interface The easiest way to communicate with the Diamond Storage Array is to
127. stallation and Operation Manual 7 2 Optional Hot Spare Sled To maintain array up time with minimal risk of data loss individual sleds which fail may be replaced with a spare sled In most configurations if a member of a virtual device becomes degraded you must swap out the faulted sled as defined in Hot Swap Operating Instructions on page 69 If you have not enabled AutoRebuild you must also start a manual rebuild However Hot Spare sleds may be designated as replacements for faulted sleds without intervention by you or a host Each configuration requires a certain number of Hot Spare sleds These sleds once designated as Hot Spares are not available for other use e RAID Level 10 10 drive sleds and two Hot Spare sleds sleds 11 and 12 RAID Level 5 10 drive sleds and two Hot Spare sleds sleds 11 and 12 RAID Level 5 five drive sleds sled positions 1 through 5 and one Hot Spare sled sled 12 X Note All arrays using RAID level 10 and Hot Spares options must be fully populated If a sled becomes degraded and a Hot Spare sled has been designated the Diamond will replace the degraded sled with the Hot Spare sled simulating a hot swap of a sled with AutoRebuild enabled without intervention any sled with a Faulted drive will not be used Faulted sleds maintain their faulted status until they are removed and re inserted or if the system is restarted HotSpares are handled as sleds not as
128. t RAlDInterleave 1 256 SPAN Requires a SaveConfiguration Restart command Get syntax get RAlDInterleave RAIDHaltRebuild Stops a RAID Level 5 or 10 rebuild that is in progress Immediate command RAIDHaltRebuild Sled Number RAIDManualRebuild Initiates a manual rebuild of a RAID Level 5 or 10 LUN An error message is returned if the specified LUN is not a RAID Level 5 or 10 LUN or if the sled number is not available no rebuild takes place Applies to RAID Levels 1 5 and 10 only Set syntax RAIDManualRebuild LUN Sled Number RAIDRebuildState Sets the RAID Level 5 or 10 rebuild status of the specified sled to OK degraded or faulted Set syntax set RAlDRebuildState Sled Number Degraded OK Faulted RAIDRebuildStatus Displays the RAID1 RAID 5 or RAID 10 Rebuild Status Summary If no RAID groups are defined the header information is displayed with no data The status summary contains the RAID1 RAID 5 or RAID 10 The RAIDRebuildStatus command has no effect on the state of any rebuild in progress Member index and the following fields in tabular form Status Sled Number Current LBA Maximum LBA Status Get syntax RAIDRebuildStatus RAIDResumeRebuild Resumes a RAID Level 5 or 10 rebuild which had been previously stopped Immediate command RAIDResumeRebuild Sled Number ATTO Technology Inc Diamond Storage Array Installation and Operation Manual RebuildPriority Sets the priority of a RAID Level 5
129. tables is essential to the data integrity of the Diamond VT If the Zone definitions are faulty problems can occur Although Zone command processing provides a level of command and configuration validation you must be very careful managing configurations with any zoning system Validation of the command line is performed before the command is deemed acceptable to be executed These descriptions are generalizations Configuration inaccuracies occurring before application or operating system data is written to the drives may have no impact on the Diamond VT but results after an operating system or application have written to the drives are unpredictable Incorrect Zone entries can include mis specification of resources to a zone Verify each command line is properly formed number of parameters proper spelling of keywords For commands defining entities the name being defined must not already be defined If you want to undefine an entity the name being undefined must already be defined A warning will be displayed if the name to be undefined doesn t exist World wide port names are validated according to basic format rules Content verification of WWPN occurs at runtime LUN must be in the range defined by the RAID lt n gt configuration Errors detected in the CLI command line are described in Exhibit 7 3 1 Errors detected while writing the Active Zone Configuration result in an error message and no change
130. take up to 30 seconds for the system to note these changes System Fault LED and Error Codes If a serious hardware or software error occurs in the Diamond VT the System Fault LED will display a series of flashes or blink codes Error information will be reported via the Command Line Interface if it is operational At power up the green Diamond Array Ready RDY LED turns on after successful completion of the POST Power On Self Test indicating the array is ready for normal operation During operation the Ready LED will stay lit even if the amber Fault FLT LED lights If a serious error occurs in the array the amber Fault LED will flash repeatedly in a blink code pattern an initial series of blinks indicating the system problem Number of blinks Problem area 1 20 3 Fibre Channel interface SCSI interface Fibre Channel connection general internal processing co A SCSI Enclosure Services atwo second pause another series of blinks providing more detailed information for technical personnel afour second pause the blink code sequence will repeat from step 1 until the error is cleared In general any fault will require notification of Diamond Array technical personnel for resolution or for further debug instructions When you report 58 Monitoring reporting an error code please provide both the first and second blink code values Durin
131. te certain modifications require a SaveConfiguration command and a system restart If required the return Ready will be displayed after the return for the modification You may make several changes through commands and SaveConfiguration before implementing a restart but once you have restarted the Diamond all the command changes created before the restart and saved will be implemented Restart or no Restart parameter is optional Immediate SaveConfiguration Restart NoRestart gt SpeedWrite SpeedWrite is a method to improve the performance of FCP WRITE commands to SCSI devices attached to the array Default disabled Set syntax set SpeedWrite enabled disabled Requires a SaveConfiguration Restart command Get syntax get SpeedWrite Temperature Returns the current internal temperature of this Diamond Storage Array in degrees Celsius The value is read only Get syntax get Temperature Zmodem Use the Zmodem protocol to transfer a file to or from the Diamond Storage Array The filename is required if the send option is specified Available only through the RS 232 interface A CAUTION After a firmware image is downloaded to the Diamond Storage Array the image is placed into flash memory During this time about 90 seconds DO NOT remove power to the Diamond Storage Array or the flash may become corrupted Power should not be removed until the READY prompt appears Immediate command Zmodem Send filename
132. te Buffer command must be accompanied by an ASCII buffer representing the CLI command string such as set DiamondName Omegal LUN 0 executes the command line and create feedback in the form of ASCII characters into a buffer This buffer is 8 KB and circular Retrieve the results by issuing a Read Buffer command before issuing another Write Buffer command 17 3 A subsequent Write Buffer command executes the new command line and overwrites the previous results in the buffer with new results 4 LUNO can be released by issuing a SCSI Release command to the LUN after each Write Read Buffer pair or multiple Write Read Buffer pairs Initiator Host Diamond VT Reserve LUN 0 return ok Write Buffer executes the CLI LUN 0 command stores bid AA output in buffer get Temperature Read Buffer return Temperature 28 LUN 0 C r n Ready r n 0 bid AA Release LUN 0 return ok I O details The buffer sent to the Services LUN during the data out phase of a Write Buffer command must be e ASCII data maximum 80 bytes length terminated with either a carriage return character 0 00 line feed character 0x0A or NULL character 0x00 Characters following the first carriage return character line feed character or NULL character are ignored The buffer retrieved from the Services LUN during the data in phase of a Read Buffer command ASCII data 8KBytes 8192 bytes in le
133. tify the operational status of the array System status and error information is readily available Various methods are available to correct problems or to upgrade equipment and firmware RS 232 Monitoring Port and CLI One tool to support a Diamond VT is a host computer with an RS 232 port and terminal emulation software Using this computer you can hook up a null modem serial cable to the RS 232 port on the Diamond VT management card and control the array via the Command Line Interpreter CLI management software built into the array The CLI can be used to configure the unit modify key parameters and read back key system information See Accessing the Diamond VT on page 15 Ethernet Monitoring Port and CLI If the optional Ethernet management system card has been installed you may use the RJ45 Ethernet port and Telnet to access the CLI software on the Diamond VT Use the same CLI commands to configure modify or read key systems information see Accessing the Diamond VT on page 15 or the ExpressNAV browser based interface If you restart the array the Telnet session will end and the session cannot be re established until the array completes its Power On Self Test Power On Self Test POST Each time the Diamond VT array is powered up it will perform a series of internal tests called POST Power on Self Test The POST sequence takes from 1 to 2 minutes to complete The Diamond VT LEDs will blink at various points in the test seque
134. tions depending on which Fibre Channel connection mode has been selected loop loop mode mode Diamond Storage Array A Diamond Storage Array B 12 Fibre Channel connections 3 2 2 Connecting a SCSI Array The SCSI Diamond VT uses VHDCI connector and SCSI cables to connect to a host It automatically detects the type of Host Interface Card it is using without any intervention To connect the SCSI Diamond VT or connect a cable between the second 1 Insert a SCSI VHDCI connector into the Host connector and the next device on the SCSI bus Interface Card in the back of the Diamond VT 3 SCSI Host Interface Card has a rotary binary coded hex switch which allows you to setthe SCSI ID ofthe HIC Be sure the selected ID is different from all other SCSI devices the bus 2 Ifthe SCSI Diamond VT is the last device on Note the bus you must attach a VHDCI terminator to If slower devices are connected on the same one connector of the SCSI Host Interface Card SCSI bus as the Ultra 160 Diamond VT the bus communicates at the rate of the slowest device Exhibit 3 2 1 SCSI cable options Bus speed MB sec Bus width Max bus lengths Max device max bits meters support Single ended LVD SCSI 1 5 8 6 8 Fast SCSI 10 8 6 8 Fast Wide SCSI 20 16 6 16 Wide Ultra SCSI 40 16 3 4 Wide Ultra SCSI 40 16 1 5 8 Wide Ultra 2 SCSI 80 16 12 16 Ultra 3 or U
135. ture decreases to within standard operating range the drives will be powered back on and the host will be allowed to access the data Exhibit 9 0 1 Typical Diamond VT operation over a range of external ambient temperatures Alarms will be audible visual CLI and SES cues as described above Temperat 25 25 32 32 35 40 40 blowers OK 4 blower blowers 1blower blowers blowers 1 blower Condition fails OK OK OK fails Read Writes normal normal normal normal normal normal Array offline Alarms OK OK OK OK OK CRITICAL Power Supply Monitoring The Diamond VT monitors the operation of its power supplies and blower assemblies every 30 seconds If the status changes the system reports it visually with an LED and a message in the CLI Ifa power supply or blower fails the management system sends a CLI message and turns off the corresponding power supply LED The blower assembly directly adjacent a power supply must be functioning properly for the power supply to work properly If a blower assembly fails the power supply will shut down and the management system will send a CLI message The corresponding power supply LED on the system management card will also turn off If a good replacement power supply or blower assembly is inserted into the array the management system will send a CLI message and the corresponding system management card LED will go on It may
136. unity EN 61000 4 4 EFT EN 61000 4 5 Surge EN 61000 4 6 Conducted Immunity EN 61000 4 11 Voltage Dips and Interruptions Appendix G Part numbers Each Diamond VT has a master part number to identify it The floor model base number is on the side of the unit The rack mount part number is on the top of the unit and near the host interface cards Description All models System management card Ethernet MGMT ETHR 001 System management card RS 232 MGMT R232 001 Cable 3 meter copper FC unequalized 1 Gb FC CBL FCCU 003 Cable 10 meter copper FC unequalized 1GbFC CBL FCCU 010 Cable 10 meter Fibre 1 Gb FC CBL FCFI 010 Cable 3 meter optical LCLC 2 Gb FC CBL LCLC 003 Cable 10 meter optical LCLC 2 Gb FC CBL LCLC 010 Cable 3 meter SCSI VHDC CBL V68E 003 Cable 30 meter Fibre Channel 1Gb FC CBS FCFI 030 CPCI Filler panel 3U CPCI PANL 003 Blower assembly DBLA A001 000 Drive card dummy DDSL 0000 000 Dual Disk Drive Sled Assembly 150 GB DDSL 150G 000 Dual Disk Drive Sled Assembly 160 GB DDSL 160G M00 DDSL160G J00 Dual Disk Drive Sled Assembly 320 GB DDSL 320G M00 Host Interface Card GBIC Fibre Channel EPCI FCCU 001 Host Interface Card 2 gigabit Class 1 laser rated EPCI FCCU 002 Host Interface Card Ultra 160 SCSI DHIC U160 BLK Power supply DPWR A001 001
137. use ATTO ExpressNAV a user friendly GUI interface accessed through a browser to control the most common capabilities of the array Access ATTO ExpressNAV from any browser that supports the latest standards for XHTML 1 0 and CSS1 To take full advantage of the ExpressNAV interface you should have Java script enabled through your browser Browser compatibility All pages are written in pure XHTML 1 0 and CSSI to be compatible with the latest versions of Internet Explorer Netscape Mozilla including K Meleon Camino Mozilla Firefox Epiphany and Galeon and KHTML including Konqueror and Safari Opening an ExpressNAV session 1 Obtain the IP address of the array 2 the IP address of the array into the browser address window 3 The ExpressNAV interface splash screen is displayed Click on Enter 4 Enter the username and password set previously in ATTO ExpressNAV Browser based Interface on page 23 Navigating ExpressNAV pages are accessible by clicking on their titles on the left side of the page You may also go back one page or go to the Home page via the titles on the left side of the page 23 Minimum requirement is for Internet Explorer 5 5 and Netscape 6 2 To optimize ExpressNAV in Internet Explorer Go to the browser toolbar and click on Tools Click on Internet Options Click on the Security tab Click on the Custom Level button Click on Microsoft VM Java permissions Ensure Disable Java is not se
138. x0012a03e00 3 0003 59 7 7629 2MB 0x001bf05d00 0 0000 60 2 30516 7MB 0x0000000000 0 0000 61 3 30516 7MB 0x0000000000 0 0000 62 4 29322 7MB 0x0000000000 PartitionInfo active 59 1 Part ID Name VDID LUN Capacity StartVDLBA 0 0000 59 1 76291MB 0x0000000000 TYPE VDID Parts State Capacity Serial Number RAIDS 59 4 ONLINE 305165MB V80EE4YCSAN RAIDS 60 1 ONLINE 305167MB V80DTCWCSAN RAIDS 61 1 ONLINE 305167 V80D44LCSAN RAIDS 62 1 ONLINE 293227MB V80ED9GCSAN A vi Volume Partition Total Capacity Write ID LUN VDID ID Capacity Used Protection 059 59 0 3439315MB 0 disabled Ready TapeVolumelnfo 059 Volume ID 059 LUN VDID 59 Partition ID 0 Device Kind RAIDS Device State OFFLINE Total Capacity 3439315MB Capacity Used 096 Write Protection disabled Primary Volume ID G30FQC2E 5AA0000 Volume Sequence Number 0 VirtualDrivelnfo TYPE VDID Parts State Capacity Serial Number RAIDS 59 4 ONLINE 305165MB V80EE4YCSAN RAIDS 60 1 ONLINE 305167MB V80DTCWCSAN RAIDS 61 1 ONLINE 305167MB 800441 5 RAIDS 62 1 ONLINE 293227 V80ED9GCS5AN VirtualDrivelnfo active 59 TYPE VDID Parts State Capacity Serial Number RAIDS 59 4 ONLINE 305165MB V80EE4YCSAN VirtualDrivelnfo active 59 TYPE VDID Parts State Capacity Serial Number RAIDS 59 4 ONLINE 305165MB V80EE4YCS5AN Verbose return Zonelnfo ZoneInfo abcd Zone abcd disabled Host Remaining IID none Port
139. xhibit 10 1 The management card may be accessed via a serial port DB 9 connector or an optional Ethernet connection assembly and replace it with another Securely tighten all screws after replacing the component Disk drive sled To remove a disk drive sled Exhibit 10 2 loosen the screws on either side of the assembly then pull on the assembly s handle and carefully slide it out of its bay FC or SCSI Host Interface Card To remove a Fibre Channel or SCSI Host Interface Card from the back of the Diamond VT Exhibit 10 3 power down both power supplies and remove any cable attached to the port Loosen the retaining screws and pull the Host Interface Card out of the unit To replace the card push it back into the unit and tighten the retaining screws Power supply To remove the power supply Exhibit 10 4 press the Stand by power switch to the off position remove the power cord and using a No 1 Phillips screwdriver loosen the screws holding the assembly in place Pull out the assembly and replace it with another Securely tighten all screws after replacing the component Blower assembly To remove a blower assembly Exhibit 10 4 using a No 1 Phillips screwdriver loosen the screws holding the assembly in place Pull out the assembly and replace it with another Securely tighten all screws after replacing the component ATTO Technology Inc Diamond Storage Array Installation and Operation Manual Exhibit10 3 The Fibre

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