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easyRAID Software User manual 4Gbit/s FC, 3Gbit/s SAS

1. Event ID 0x2010 Type TASK Severity INFO Parameters DG ID Message Defragment on DGx started Description Disk group defragment on dgx was started manually Advice None Event ID 0x2033 Type TASK Severity NOTICE Parameters DG ID Message Defragment on DGx started by schedule Description Scheduled disk group defragment on dgx was started Advice None Event ID Ox2047 Type TASK Severity WARNING Parameters DG ID Message Defragment on DGx failed to start by schedule Description Scheduled disk group defragment on dgx failed to start Advice Check if the disk group is busy or non optimal when start ing the task Event ID 0x2013 Type TASK Severity NOTICE Parameters DG ID Message Defragment on DGx paused Description Disk group defragment on dgx was paused Advice Check if there is failed member disk in the disk group during the task Aendiix Event ID 0x2014 Type TASK Severity NOTICE Parameters DG ID Message Defragment on DGx resumed Description Disk group defragment on dgx was resumed Advice None Event ID 0x2011 Type TASK Severity NOTICE Parameters DG ID Message Defragment on DGx completed Description Disk group defragment on dgx was completed Advice None Event ID 0x205e Defrag progress DG ID Notify threshold Type
2. RAID attributes reconfiguration utilities Command dgexpand Synopsis dgexpand dgj d hddx hddy Description Expand a disk group by adding one or more disks Parameters d defragment during expanding Command Idmigrate Idmigrate dgxlidy s newstripesize r newraidlevel Synopsis d hddx hddy Perform RAID level and or stripe size migration for a Description logical disk on a disk group At least one option must be set s newstripesize migrate to new stripe size r newraidlevel migrate to new RAID level Parameters d defragment during migration hddx hddy expanding disk group by adding these hard disks Command Idexpand Synopsis Idexpand dgildx newcapacity i initop f x y Description Expand the capacity of one or more logical disks in a disk group newcapacity new capacity of a logical disk Parameters i initop initialization method f x y free chunks Command Idshrink Synopsis Idshrink dgildx newcapacity Description Shrink the capacity of a logical disk Parameters newcapacity new capacity of a logical disk 4 11 Using the CLI Commands the CLI Command Command dgdefrag Synopsis dgdefrag dgi Description Defragment a disk group Command volexpand Synopsis volexpand volx dgildx dgjldy Description Expand a volume by concatenating new logical disks Command volshrink Synopsis volshrin
3. Event ID 0x0404 Type SYSTEM Severity INFO Parameters Message Event test with severity info Users have generated a simulated event to test the event han Description dling notification mechanisms The severity level of this event is info Advice None Event ID 0x2406 Type SYSTEM Severity INFO Parameters Message All event logs erased Description All event logs were erased After that this is the first event recorded Advice None Event ID 0x2413 Type SYSTEM Severity NOTICE Parameters Message Auto write through activated The pre defined triggering events for auto write through Description occurred and the controller has set the buffer cache as write through Check the event logs and remove the causes of events that Advice i trigger auto write through Event ID 0x2414 Type SYSTEM Severity NOTICE Parameters Message Auto write through de activated Description The pre defined triggering events for auto write through have gone and the controller restored the original cache setting Advice None Apendiix Event ID 0x2418 Type SYSTEM Severity NOTICE Parameters Message Auto shutdown activated er The pre defined triggering events for auto shutdown occurred Description and the controller was going to shutdown itself Check the event logs and remove the causes of events that Advice trigger auto shutdow
4. 4 33 Using the CLI Commands the CLI Command 4 7 2 Event notification Command notifycontrol Synopsis notifycontrol on off smtp snmp all rr Enable or disable event notifications of all or the Eeectipion selected notification method Command notifylist Synopsis notifylist smtp snmp all Description List the current settings of all or the selected notification method Command eventmailrcv eventmailrcv set rcvx receiver severity Synopsis eventmailrcv reset rcvx Description Enable or disable the specified mail account for mail notification receiver set reset set or clear receiver rcvx receiver identifier Parameters i receiver mail address of receiver severity severity level to notify Command eventmailconfig Synopsis eventmailconfig j subject r xmin d xsec c content Description Display or set the event mail configurations j subject event mail subject Param ter r xmin event mail retry period d xsec event mail delay time c content event mail content 4 34 Using the CLI Commands the CLI Commands Command snmpconfig snmpconfig set rcvx server port version community Synopsis severity snmpconfig reset rcvx Description Enable or disable the specified SNMP server for SNMP trap notification receiver set reset set or clear receiver rcvx rece
5. Message Host port x link up The link on the host port x had been built by the controller suc Description cessfully and data transferring can be started Advice None C 39 Appendix C 40 Event ID 0x3003 Type HOST Severity NOTICE Parameters Host Port ID Message Host port x link down The link on the host port x had been turned down by the con troller and data transferring was posed This happens when Description the host port was disconnected from host HBA or switch because of removing powering down resetting the host or switch or removing the cables If the link unexpectedly disconnects or it happens continu Advice ously during host access check the host connectivity or con tact local sales or support office IO exceptions handling Event ID 0x3004 Type HOST Severity NOTICE Parameters Host Port ID Message LIP issued on host port x The controller issued LIP Loop Initialization Packet on host bescrintion port x This is to ask host to rescan the connection and get p updated of LUN information such as capacity change or LUN mapping change Advice None Event ID 0x3005 Type HOST Severity WARNING Parameters Host Port ID Message LIP detected on host port x The controller detected LIP Loop Initialization Packet on host port x This could be to recover from a trans
6. ccceeeeeeeeeeeeeeteeeees 2 6 Table 2 2 Hard disk code s ce ces ciesefesseccetiaevlcc ee eres ecaieres Saeed 2 7 Table 2 3 Hard disks tray color 2s sics0 sk eds ieee ok Si aa A 2 7 Table 2 4 Information icons ees covet cawecsin tarnes cocveauedccivercesianeteruenwenedscnrteweeeees 2 8 Table 2 5 Components at the rear side of the system eeeeee 2 10 Table 2 6 Login usernames and passwordS eceeeeeeeeeeteeeeeeeeeeees 2 12 Table 2 7 Information icons in SAS monitor Mode eeeeeeeeee 2 14 Table 2 8 Performance profile values cccecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 2 16 Table 2 9 Hard disk information casinscicecngeectn ten tet chee eencaritaeits 2 18 Table 2 10 Limitations of the number of member disks eeee 2 42 Table 2 11 State transition sie xectsGecso0ecas tex euceyexnstegspte tteeetetarsaeat alee 2 54 Table 3 1 List of status MESSAGES eee eeeesteeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 3 4 Table 3 2 List of emergent messages cceeeeeeeeeeeeeeeeeeeaeeeeeeteeeeeaes 3 6 Table 3 3 List of background task messages eceeeeeeeeeeeeeeeeeeeeeeeeees 3 7 Table 5 1 Troubleshooting 2 0 0 c2 e0e8 eek aie at 5 1 viii eS List of Figures Figure 1 1 Layered storage objects cccccceeeeeeeneeeeeeeeeeeeeneeeeeeeeeeeeees 1 3 PIQUIG T Local Spale ceina niela a aa oaia aa Aa NEEE 1 5 Figure 1 3 Global spare stasis ey ale iG ieee
7. BP voltage 3 3V BP3 3V xx xx BP voltage 5V BP5 0V xx xx BP voltage 12V BP12 0 xx xx 3 3V 5V and 12V status on backplane Expansion voltage sensor x Volt x xx xx Using the LCD Console the LCD Console Table 3 1 List of status messages Status Info Message Note Controller temperature CTL_TEMPx Both Celsius C and sensor x xXx xC Fahrenheit F are BP temperature BP_TEMPx xx xc Supported Users can sensor x customize the temperature scale for the BP average temperature BP_AVG xx xC display Expansion temperature TEMP x xx xC sensor x Power x is s Powx s s Good Warning Expansion power x is Pow x s Error OFF S 3 5 Using the LED Console the LCD Console 3 2 3 Emergent info 3 6 When an emergent event occurs you can read the message on the LCD This state is held until every event is confirmed See the function buttons as below UP DOWN Scroll up down the message ENT Confirm clear the message not supported in current version ESC Enter the menu password may be required Line 1 shows messages and Line 2 shows the disk status The displayed emergent info is listed below Table 3 2 List of emergent messages Emergent Info Message Note Voltage failure Voltage Failure Power failure Power Failure Fan failure Fan Failure Temperature sensor failure Temp Failu
8. Amendiix Event ID 0x0819 Type DISK Severity NOTICE Parameters Disk ID Message Task abort on HDDx The controller aborted the command that hddx failed to respond to controller in time This could be a transient error Description due to unstable channel heavy traffic or malfunctioning hard disks The controller will retry the command to complete the IO however this could result in performance drop of the disk If this event occurs often check the disk connectivity check Advice power supply to disks or replace with a new disk Event ID 0x081a Type DISK Severity WARNING Parameters Disk ID Message Reset on HDDx The controller resets hddx that failed to respond to controller in time and forced the disk back to its initial state This could ati be a transient error due to unstable channel heavy traffic or Description 2 escriptio malfunctioning hard disks The controller will resume normal access to the disk after resetting the disk however this could result in performance drop of the disk If the disk cannot If this event occurs often check the disk connectivity check Advice i power supply to disks or replace with a new disk Event ID 0x081e DISK ID Type DISK Severity NOTICE Parameters Pcode sense key ASC ASCQ Check condition on HDDv SCSI opcode w Sense Key x Message asc y ASCQ z This presents the SCSI status n
9. This is a method of arranging multiple disks and technically is not RAID Under JBOD all disks are treated as a single volume and data is spanned across them JBOD provides no fault tolerance or performance improvements over the independent use of its constituent drives NRAID None RAID This level allows you to combine the capacity of all drives and does not suffer from data redundancy RAID Level 10 This level offers a compromise between the reliability and tolerance of level 1 and the high transfer rates provided by level 0 RAID Level 30 50 60 RAID 30 50 60 performs striping over RAID 3 5 6 groups With multiple independent RAID groups performance and reliability can be improved These RAID levels are supported by data striping volumes over logical disks Aendiix A 2 RAID 0 RAID 0 links each drive in the array to form one large drive Storage capacity is determined by the smallest drive in the array This capacity is then applied to format all other drives in the array When using a 40GB 50GB and a 60GB drive in a RAID 0 array your system will effectively have a single 120GB drive 40GB x 3 RAID 0 Striped disk array without fault tolerance Characteristics Storage capacity number of disks x capacity of the smallest disk A minimum of two disks are required Fault tolerance No RAID 0 implements a striped disk array the data is broken down into blocks and each block is written to
10. l MU l T l TOL v FCP1 Port1 FC Switch FCP2 Port2 Environment HGo HOST 3 HOST 4 UNG LONS UBODS DG3LD3 gt i S a Hosts S Hosa S EEN T FCP1 Port1 n HG1 HOST 5 HOST 6 HOST 7 HOST 8 j EP EEEE ART EAN 7 tune 2 Hosts E Hoste 5 1 DG2LD0 DG2LD2 DGSLD8 DGSLD9 E 4 1 ind Ly PRR FCP2 Port2 i E 1 LUNI3 LUNI4 LUNIS LUNI6 1 vola VOLS VOL6 VOL7 Host7 E Hosts E 1 l n Lt Figure 2 14 Selective storage 2 39 Usingthe RAIDGUL the RAID GUI Add hosts In the selective storage main screen click Host gt Add Host ID Select a Host ID from the drop down menu A maximum of 32 hosts can be added to the controller WWPN Each FC port needs a WWPN for communicating with other devices in an FC domain You can find the WWPN of an FC port in its BIOS Host Name Use the system default name as hostx x is the Host identifier OR Uncheck the Use system default name box and enter the name in the Name field The maximum name length is 63 bytes HG ID Select a Host Group ID from the drop down menu You can select from hgO to hg31 or No group Remove hosts Select the host s you want to delete and click Remove Check the Only remove from host group box if you want to remove the host s from the host grou
11. Cache identifier Read Command sector The number of read commands executed since the disk was powered on The accumulated transfer size of read commands since the disk was powered on Write Command sector The number of write commands executed since the disk was powered on The accumulated transfer size of write commands since the disk was powered on Using the RAID GUI the RAID GUI The number of cache hits by read commands since the system was powered on Read Cache Hit The number of merged writes write hits since the MrS system was powered on Dirty Buffer The number of dirty buffers in the cache at present Clean Buffer The number of clean buffers in the cache at present 2 11 3 LUN ee Data Figure 2 24 LUN screen Performance Management menu This feature allows you to enable disable or reset LUN IO logging When LUN IO logging is enabled the following IO statistics of a LUN depending on the storage presentation method selected will be displayed You can press the Reset button to clear all statistics except outstanding IO to zero 2 81 Usingthe RAIDGUL the RAID GUI 2 82 Category Display ID Storage group and LUN identifier Read Command sector The number of read commands executed since the disk was powered on The accumulated transfer size of read commands since the disk was powered on Write Command sector
12. Scrub on DGw completed with x bad sectors detected y M essage inconsistent rows found and z rows recovered Disk scrubbing on dgw was completed and there were x bad Description sectors detected y inconsistent rows found and z rows recov ered If the number of bad sectors grows exceptionally fast or Advice beyond a reasonable number consider to conduct diagnostics and replace with new disks Event ID 0x205d Scrub Progress DG ID Notify threshold Type TASK Severity NOTICE Parameters Message Scrub progress y on DGx reach to the notify percent z The progress of scrubbing on dgx has reached the pre define Description threshold Advice None Note Because one disk group can have only one logical disk executing disk scrubbing the events do not record ID of the logical disk to execute disk scrubbing C 23 Appendix Disk scrubbing of logic disks C 24 Event ID 0x2040 DG ID Type TASK Severity INFO Parameters LD ID Message Scrub on DGxLDy started Description Disk scrubbing on dgxldy was started manually Advice None Event ID 0x204b Type TASK Severity NOTICE Parameters DG ID Message Scrub on DGxLDy started by schedule Description Scheduled disk scrubbing on dgx was started Advice None Event ID 0x2057 DG ID Type TASK
13. e Accounting e Payroll e Finance e Any application requiring high availability Appendix Figure A 2 RAID 1 disk array A 6 Aendiix A 4 RAID 3 In RAID 3 all data is divided into pieces after which the system calculates the parity of these pieces The pieces are written to separate disks in parallel with the writing of the parity data In the event of disk failure the parity data can be used to rebuild the lost data If two or more disks fail data will be lost While the low ratio of parity disks to data disks ensures high efficiency the parity disk is accessed more frequently than other disks therefore making it unsuitable for random write access RAID 3 Parallel transfer with parity Characteristics Storage capacity number of disks 1 x capacity of the smallest disk A minimum of three disks are required Fault tolerance Good The data block is striped written on the data disks Stripe activity is generated on writes recorded on the parity disk and checked on reads e Low ratio of parity disks to data disks ensures high efficiency Recommended use Video production and live streaming Image editing Video editing Any application requiring high throughput Figure A 3 RAID 3 disk array Appendix A 5 RAID 5 With RAID 5 the system calculates parity from data on three drives If one of the drives fails parity data can be used to rebuild the lost data Under RAID 5 parity
14. DG ID Select a disk group for expansion from the drop down menu Expanding Select and use the arrow buttons to move one or HDDs more unused hard disks from the Available HDDs list to the Expanding HDDs list Schedule Immediately The task will start immediately Once The task will start on the specified date and time Defragment Check this option to allow for defragmentation during during expansion expanding 3 Click Apply to review the current settings 4 Click Confirm The task is created Note The disk group to be expanded must be in the optimal state You may only select to increase the number of hard disks but not to change the disk group setting Once confirmed please wait until the expansion process is complete Do not change or select any functions during the expansion process 2 42 Using the RAID GUI the RAID GUI 2 7 2 Defragmenting disk groups Except defragmenting disk groups during expansion there is another way to perform the task 1 Select Maintenance Utilities gt DG Reconfiguration from the main menu 2 Click Defragment and specify the following options for defragmenting DG ID Select a disk group to defragment from the drop down menu Schedule Immediately The task will start immediately Once The task will start on the specified date and time 3 Click Apply to view the current settings 4 Click Confirm The task is created After defragmentation is complete
15. Description R remove one or more hard disks as global spare Command autospare Synopsis autospare on off Description Review or set the auto spare settings Parameters on off turn on or off the auto spare option Command restorespare Synopsis restorespare on off Description Review or set the restore spare settings Parameters on off turn on or off the restore spare option 4 5 Using the CLI Commands the CLI Command 4 2 5 Logical disks Command Idcreate Idcreate dgxldy capacity raidlevel s stripesize i Synopsis initopt f x o offset n name Description Create a logical disk capacity logical disk capacity raidlevel raidO raid5 raid3 raid1 raid6 raid10 or nraid P t s stripesize stripe size ma i initopt initialization method f x free chunk o sector alignment offset n name the name of a logical disk Command Iddelete Synopsis Iddelete dgxldy f Description Delete a logical disk Parameters f force to delete LUN mapping Command Idname Synopsis Idname dgxldy name Description Name a logical disk Command Idlist Synopsis Idlist dgxldy dgx all Description List the status of one logical disk all logical disks ona disk group or al logical disks on the controller 4 6 Using the CLI Commands the CLI Commands 4 2 6 RAID algorithms options Command int
16. Note The rear side presentation depends on respective RAID system Please refer to Hardware User Manual Table 2 5 Components at the rear side of the system Component Detailed Information A Fan module e BP_FAN1 BP_FAN2 BP_FAN3 BP_FAN4 B Power suppl POWI PP Y POW2 2 11 Using the RAID GUI Table 2 5 Components at the rear side of the system C Ethernet port IP Address e Network Mask e Gateway e DNS Server e MAC Address FCP ID WWN e Connection Mode e Date Rate e Hard Loop ID D Fiber ports SCSI ports F 2 6 1 e Connection Mode e Data Rate Using the RAID GUI the RAID GUI 2 2 4 Login lt a Login Ry lt A Password G Figure 2 7 Login section The RAID GUI provides two sets of default login members Table 2 6 Login usernames and passwords Username user admin Password 0000 0000 When logging in to the GUI as user you can only view the settings To modify the settings use admin to log in e Forgotten password In the event that you forget your password click the Forget password icon and an email containing your password can be sent to a preset mail account To enable this function make sure the Password Reminding Mail option is set to On see 2 10 5 Security control and the mail server has been configured in System Management gt Network 2 13
17. Select this option to enable or disable Negative Command Queue NCQ which enhances hard disk read performance Disk Standby Mode On Off default 2 61 Usingthe RAIDGUL the RAID GUI Select this option to enable or disable disk standby mode after a period of host inactivity Disk Access Delay Time second 15 default Specify the delay time before the controller tries to access the hard disks after power on The range is between 15 and 75 Delay Time When Boot Up second 40 default Specify the delay time before the controller automatically restarts The range is between 20 and 80 Caution The boot up delay time must be longer than the disk access delay time plus 5 seconds 2 62 Using the RAID GUI the RAID GUI 2 8 2 FC ports This shows information about FC ports including each port s ID name WWPN Hard loop ID connection mode private loop public loop or point to point and data rate To change the settings follow the instructions given below 1 Select an FC port and click Modify to open the configurations window 2 Specify the following options Name Type a name associated with each FC port The maximum name length is 15 bytes Hard Loop ID Select a fixed loop ID for each FC port from the drop down menu To disable hard loop ID select Auto The loop ID is automatically determined during loop initialization procedure Connection Auto The controller w
18. Usingthe RAIDGUL the RAID GUI 2 3 SAS Enclosure Display for SAS expansion controller only The RAID subsystem provides a SAS expansion port which allows users to connect a SAS JBOD A maximum of three enclosures can be connected to the subsystem serially and each enclosure supports up to 16 SAS hard disks SATA II compatible When SAS SATA hard disks are connected the enclosure tabs will appear in the Monitor Mode see Figure 2 8 shown below Each tab view displays different information for each connected enclosure Click the Enclosure 0 tab to view the information of the local RAID subsystem Click the Enclosure 1 Enclosure 2 or Enclosure 3 tabs for a brief view of the connected SAS JBOD Enclosure tabs Y Tee re ee 2 eS wi 3 fon eo ao Wd HOG HOR t Figure 2 8 SAS enclosure monitor mode 2 14 Using the RAID GUI the RAID GUI Figure 2 9 displays the Config Mode when a SAS enclosure is connected Use the drop down menu at the top of the page to select the enclosure ID you wish to configure Enclosure ID drop down menu Heart Onan tee en oe w we Mace teea teea 9 res Same em u mu pe tae emisari 1eme me m Aar tilini emrat maman mee ot mee Aar Figure 2 9 SAS enclosure configuration mode Note In order to use the expansion port on the SAS controller you must have firmware version1 20 or later for complete funtionality 2 15 Usingthe RAIDG
19. however be slightly faster in terms of random reads due to the spreading of data over one more disk As with RAID 3 and RAID 5 performance can be adjusted by changing stripe size RAID 6 Independent data disks with double parity blocks Characteristics Storage capacity number of disks 2 x capacity of the smallest disk A minimum of four disks are required Fault tolerance very good to excellent Good speed with random reads Recommended use File and application servers Database servers Internet email and news servers Intranet servers Use in high reliability server environments Aendiix Disk 1 Disk 2 Disk 3 Disk 4 Figure A 5 RAID 6 disk array Appendix A f RAID 10 RAID 10 arrays are formed by striping data across RAID 1 sub arrays This offers better performance than RAID 1 alone but does not have the speed of a pure RAID 0 array Storage efficiency and fault tolerance vary depending on the number and size of sub arrays compared to the array as a whole RAID 10 High reliability setup combined with high performance Characteristics Storage capacity number of disks 2 x capacity of the smallest disk A minimum of four disks are required Same fault tolerance as RAID 1 I O rates are high thanks to striping RAID 1 segments Can handle multiple simultaneous disk failures Recommended use e High performance database servers Figure A 6 RAID 10 disk array Aen
20. 2 8 1 Hard disks In this section you can configure the following settings to all hard disks Utilities Task Priority Low default Medium High This option determines the priority of the background tasks for utilities of all hard disks not belonging to any disk group such as scrubbing and cloning SMART Warning On Off default This option is only for SMART function supported hard disks The SMART function serves as a device status monitor Period of SMART Polling minute 60 default This option is only available when the SMART warning is turned on Specify the period in minutes to poll the SMART status from hard disks periodically SMART Action Alert default Clone This option is only available when the SMART warning is turned on The controller will alert you or start disk cloning when a disk reports a SMART warning Disk IO timeout after 30 default sec s and retry 1 default time s Timeout value in unit of seconds If a hard disk does not respond to a command within this time the controller will reset and reinitialize the hard disk and retry the command The possible values are 1 to 60 Retry times Specify the number of retries when a disk IO command fails The possible values are 0 to 8 Transfer Speed Auto default 1 5GB 3GB This option specifies the transfer speed of a hard disk When Auto is specified the transfer speed is determined by the controller according t
21. Advice None Event ID 0x2002 Type RAID Severity WARNING Parameters DG ID Message Rebuilding on DGx aborted Description Disk rebuilding on dgx was aborted Advice None Event ID 0x2063 Rebuild progress DG Type RAID Severity NOTICE Parameters ID Notify threshold Message Rebuild progress y on DGx reach to the notify percent z Description The progress of rebuilding has reached the pre define threshold Advice None C 7 Appendix C 8 Roaming Event ID 0x0802 Type RAID Severity INFO Parameters Message Disks changed during power off The number of disks installed is different when the controller Description was powered off Either existing disks were removed or new disks were installed during power off Advice Check hard disk status and conduct roaming or recovery if necessary Event ID 0x1004 Type RAID Severity INFO Parameters DG ID Message DGx is imported Description Foreign disk group has been imported to be dgx Advice None Event ID Ox1c02 Type RAID Severity INFO Parameters VOL ID Message VOLx is imported Description Foreign volume has been imported to be volx Advice None Aendiix Recovery Event ID 0x2052 Type RAID Severity INFO Parameters DG ID Message DGx is recovered Descr
22. Eee co ROG Figure 2 2 Multiple system viewer side button 2 4 Using the RAID GUl the RAID GUI a te ead a Figure 2 3 1 Opening the multiple system viewer 4U24Bay 2 5 Usingthe RAIDGUL the RAID GUI 2 6 Move the cursor to a system and the following system information will appear IP address System name Model name F W version and Status Click on a system to open its GUI and you can login to view the complete system information If there are too many on line systems displayed in the viewer at one time you can use the arrow buttons to scroll up and down Click the iy button to refresh the viewer Move your cursor away from the viewer and it disappears Note 1 The multiple system viewer supports up to 256 on line systems 2 Only systems in the same subnet mask will appear in the multiple system viewer Using the RAID GUI RAID GUI 2 2 Monitor Mode RAID GUI monitors the status of your RAID controller s through your Ethernet connection The RAID GUI window first displays the Monitor Mode This mode is also the login to enter Config Mode The GUI components shown are introduced in the following sections t 03000 3 a m8 2 Figure 2 4 GUI monitor mode There are four buttons at the top right of the page See the following table for each button s function Table 2 1 Buttons in monitor and config mode Button Description Swit
23. NOTICE Parameters Enclosure ID Message Voltage source x in enclosure y back to normal Description Voltage source x in enclosure y returned to normal range Advice If the voltage is very unstable contact local sales or support office Aendiix Event ID 0x2822 Volt age ID Type ENCLOSURE Severity WARNING Parameters Enclo sure ID Voltage Message Abnormal voltage source x in enclosure y z V Description Voltage source x in enclosure y was out of normal range Advice Check the power supply system or contact local sales or sup port office Power supply Event ID 0x280d PSU ID Type ENCLOSURE Severity INFO Parameters Enclosure ID Message Power supply x in enclosure y detected Description Power supply unit PSU x was installed and present Advice None Event ID 0x280e PSU ID Type ENCLOSURE Severity ERROR Parameters Enclosure ID Message Power supply x in enclosure y failed Description The controller cannot get status from power supply unit PSU x in enclosure y which might have failed or removal Advice Replace the power supply or contact local sales or support office C 59 Appendix C 60 BBM Event ID Ox280f ENCLO Type SURE Severity INFO Parameters
24. Response Time ms The number of write commands executed since the disk was powered on The accumulated transfer size of write commands since the disk was powered on The average command response time since the disk was powered on The maximum command response time since the disk was powered on Outstanding IO The number of current outstanding IO Click amp to see a complete list of LUN information You will see the specified LUN ID and its histogram output in the following sectors The histogram output shows the sizes that the read and write commands return LUN ID 1 Sector 2 Sector 4 Sector 8 Sector 16 Sector e 32 Sector e 64 Sector e 128 Sector e 256 Sector e 512 Sector Using the RAID GUI the RAID GUI 2 11 4 Storage port Figure 2 25 Storage Port screen Performance Management menu This feature allows you to enable disable or reset storage port IO logging When storage port IO logging is enabled the following statistics of a FC ports or SAS port will be displayed You can press the Reset button to clear all statistics to zero Category Display HTP ID FC port identifier Link Failure The value of the LINK FAILURE COUNT field of the Count Link Error Status Block for the port Loss of Sync Count The value of the LOSS OF SYNCHRONIZATION COUNT field of the Link Error Status Block for the port Loss of Signal Count The value of the LOSS OF SIGNAL COUNT field of th
25. environment Aendiix Event ID 0x2802 Sensor ID Type ENCLOSURE Severity ERROR Parameters Enclo sure ID The temperature sensor x in enclosure y failed Message The temperature sensor x in controller failed ae The controller cannot detect the temperature sensor x in enclo Description sure y or controller Advice Contact local sales or support office e Fan Event ID 0x2803 Fan ID Type ENCLOSURE Severity INFO Parameters Enclosure ID Message Fan x in enclosure y detected Description Fan x in enclosure y was installed and present Advice None Event ID 0x2804 NOTIC Fan ID Type ENCLOSURE Severity Parameters Enclosure ID Message Rotation speed of fan x in enclosure y back to normal Description The rotation speed of fan x in enclosure y returned to normal range If the rotation speed is very unstable replace the fan or contact Advice local sales or support office C 55 Appendix Event ID 0x2805 Fan ID Type ENCLOSURE Severity WARNING Parameters Enclo sure ID Message Abnormal rotation speed of fan x in enclosure y detected The rotation speed of fan x in enclosure y has been out of nor Description mal range Advice Replace the fan or contact local sales or support office Event ID 0x2806 Fan ID Type ENCLOSURE Severity ERROR Parameters
26. 71 Usingthe RAIDGUL the RAID GUI Read the NVRAM configuration on hard disks and save to NVRAM Specify this option to read the NVRAM configuration data on the specified hard disk and save to NVRAM Wareng The controller wil restart enmedsately when a user restores user conSqurations C Bare the NVRAM configurations to HDDis Read the NVRAM configuratens fom HOOs and save to the NVRAM had3 x Get main con gurations Upload a configuration Me and store it as the controllers main configurations Figure 2 19 Options in the Configurations screen 2 System Management menu Note gt This option will be available when on line hard disks exist Therefore only on line hard disks will be displayed in the list box Get main configurations Specify this option to save the NVRAM configuration data to a file The following three options are available bin for user to backup configuration The configuration data is saved as config bin txt human readable The configuration data is saved as config txt txt to send human readable mail The configuration data is saved as config txt which is then sent to a specified mail receiver When this option is selected enter a mail address for the receiver Warneng The controller wil restart enmedsately when a user restores user con amp qurations Save the NVRAM configurations to HDDis Read the NVRAM configurations fom HOOS and save to the NVRAM Gelman conagura
27. Adaptive The controller performs pre fetching only for host read commands that are detected as sequential reads The detection is done by read logs Off If there is no sequential read command read ahead will result in overhead and you can disable the read ahead Read Ahead This option specifies the read ahead multiplier for Multiplier the Always and Adaptive read ahead policies Select how much additional sequential data will be pre fetched The default value is 8 Read Logs This option specifies the number of concurrent sequential read streams for the Adaptive read ahead policy and the range is between 1 and 128 The default value is 32 To clear write buffers in the write cache of a volume select a volume and click the Flush button 2 33 Usingthe RAIDGUL the RAID GUI Detailed volume information Click amp to display a complete list of volume information You will see the following details 2 34 VOL ID UUID Created Time and Date Alignment Offset sector Write Cache Status Write Cache Setting Write Sorting Read Ahead Policy Read Ahead Multiplier Read Logs Using the RAID GUI the RAID GUI 2 6 6 Storage provisioning The RAID GUI provides three storage provision methods simple symmetric and selective Whenever you change the method the following confirmation message is displayed Switch Storage Provision Method Changing the storage presentation method Is allowed only when all
28. Adding disk B Faulty disk C Clone target disk F Foreign disk G Global spare disk I Initializing J JBOD disk L Local spare disk N Foreign Conflict disk S Local spare disk T Clone target disk U Unused disk W SMART warning or BBR alert X No disk INFO2 and DISK are mutual exclusive 3 3 Using the LED Console the LCD Console 3 2 2 Status info 3 4 When the system is ready the system information and background task messages are displayed sequentially every two seconds See the button functions as below UP DOWN Scroll up down the message ESC Clear the message and enter the menu password may be required ENT Enter the password if required UP DOWN Clear all status info and restart to display all the status messages Line 1 shows messages and Line 2 shows the disk status Messages to be displayed on the LCD panel can be customized by users The supported status info is listed below Table 3 1 List of status messages Status Info Message Note Product name Expansion name product name Expansion x x Expansion ID Up to four expansions can be added Date and time IP address hh mm MM DD YY XXX XXX XXX XXX BP FAN x rom Expansion FAN x rom BP_FANx XXXXXrpm FAN x xxxxxrpm Controller voltage 3 3V CTL3 3V XX XX Controller voltage 5V CTL5 0V xx xx Controller voltage 12V CTL12 0 xx xx 3 3V 5V and 12V status on controller
29. Commands Command 4 4 4 4 4 5 sgaccess Synopsis sgaccess sgx fcpx sasx scpx all luny ro rw Description Set LUN access right of one or all LUNs in a storage group or a default storage group Parameters ro rw read only or read writable Command sgname Synopsis sgname sgx name Description Name a storage group Command sglistlun Synopsis sglistlun sgxluny fcpxluny sasxluny scpxluny sgx fcpx sasx scpx all Description List LUN information in one or all storage groups default storage groups Presentation planning Command sgsetmethod Synopsis sgsetmethod sim sym sel Description Select storage presentation method Parameters sim sym sel simple symmetric LUN or selective storage presentation Selective storage presentation Command htpbind Synopsis htpbind fcpx sasx all sgy hostz hgz Description Bind a storage group to one or all FC ports for a host or a host group Command htpunbind Synopsis htpunbind fcpx sasx all hostz hgz Description Unbind a host or a host group from one or all FC ports Command htplist Synopsis htplist fcpx sasx all Description List all storage groups bound to one or all FC ports 4 21 Using the CLI Commands the CLI Command 4 4 6 Simple storage presentation Command htpaddlun htpaddlun fcpx sasx jbdy dgyldz voly vvoly I lu
30. D ription i escriptio management network interface ports Parameters port_no port number Command ethweb Synopsis ethweb on off p port_no Description Enable or disable the web server on all management network interface ports Parameters port_no port number Command ethapi Synopsis ethapi on off p port_no Description Enable or disable the network based out band API service on all management network interface ports Parameters port_no port number Command broadcast Synopsis broadcast on off Enable or disable the controller to respond to the Pes cipion broadcast lookup packets Command ethlist Synopsis ethlist Description Show the control settings of all management network interface ports 4 29 Using the CLI Commands the CLI Command 4 5 4 Local terminal ports 4 5 5 4 30 Command termconf Synopsis termconf baud_rate stop_bit data_bit parity flow_ctrl Description Review or set the terminal baud_rate 2400 4800 9600 19200 38400 57600 or 115200 p t stop_bit 1 or 2 AMEISA data_bit 7 or 8 parity parity check none even or odd flow_ctrl flow control none or hw Enclosure Command encpoll Synopsis encpoll xxsec Specify the polling interval at which the controller polls Description the enclosure controller in the external enclosure to acquire the status
31. DD YY and hh mm e If you select the NTP mode specify the time zone and the IP address or the domain name of the NTP server The NTP server automatically synchronizes the controller clock at 23 59 every day 3 Click Apply and the settings are effective immediately 2 74 Using the RAID GUI the RAID GUI 2 10 5 Security control The settings in the Security page allows you to change the password and login related settings e User setting To change the password of a specified user do the following 1 Specify either Administrator or User from the Specified User drop down menu 2 Check the Change Password checkbox and a pull down menu appears Fill in the passwords in each field 3 If you want to enable or disable password checking before login specify the options from the Password Check drop down menu e Global Setting To enable or disable the auto logout function select either On or Off from the Auto Logout drop down menu By default the auto logout time is 10 minutes Set the Password Reminding Mail option to On to enable the controller to send out a password reminding email when users forget their password An email account is also required e SSL Setting A secure connection is always required to login to the GUI therefore SSL Forced is enabled by default and users are forced to connect to the system via HTTPS To disable forced SSL encryption select either On or Off from the SSL Forced drop do
32. Enclosure ID Message Fan x in enclosure y failed The controller cannot get status from or control fan x in enclo Description sure y which might have failed or removed Advice Replace the fan or contact local sales or support office e Voltage Event ID 0x2807 Type ENCLOSURE Severity Seer Parameters Voltage Messaae 3 3V voltage source in backplane back to normal z V g 3 3V voltage source in controller back to normal z V Sat 3 3V voltage source in backplane or controller returned to nor Description e mal range right now is zV Advice If the voltage is very unstable contact local sales or support office C 56 Aendiix Event ID 0x2808 NOTIC Type ENCLOSURE Severity E Parameters Voltage 5V voltage source in backplane back to normal z V Message 5V voltage source in controller back to normal z V Description 5V voltage source in backplane or controller returned to nor mal range right now is zV Advice If the voltage is very unstable contact local sales or support Office Event ID 0x2809 Type ENCLOSURE Severity ag Parameters Voltage Message 12V voltage source in backplane back to normal z V g 12V voltage source in controller back to normal z V Description 12V voltage source in backplane or controller returned to nor mal range right now is zV A
33. Logical unit lunx e Fiber port fcpx e Serial SCSI port sasx e Controller ctlx e Management network port ethx e Enclosure encx Options Options are expressed in the form of x where x is the identifier of the option Selectable arguments Using the CLI Commands the CLI Command When more than one value can be used in an argument they are listed with in between Users may choose one among them See all the CLI commands and the descriptions in the following sections 4 2 Basic RAID Management 4 2 1 Hard disks Command hddadd Synopsis hddadd hddx hddy Description Add hard disks Command hddremove Synopsis hddremove hddx hddy p Description Remove hard disks Parameters p permanent remove Command hddlist Synopsis hddlist hddx all h Description List the status of one or all hard disks Parameters h show hardware status 4 2 Using the CLI Commands the CLI Commands 4 2 2 JBOD disks Command jbdcreate Synopsis jbdcreate jbdx hddy n name c ctlx Description Create a JBOD disk by a member disk Parameters n name the name of a JBOD disk Command jbddelete Synopsis joddelete jbdx f Description Delete a JBOD disk Parameters f force to delete LUN mapping Command jbdname Synopsis jodname jbdx name Description Name a JBOD Command jbdlist Synopsis jbdlist jodx
34. Message BBM disabled i i The battery backup function was disabled Advice None Event ID 0x2810 ENCLO Type SURE Severity INFO Parameters Message Dirty boot and flush data Descriptio The controller was not properly shutdown and it will flush n cached data in memory protected by BBM Advice None Event ID 0x2811 ENCLO Message Dirty boot data flush completed Descriptio The data flush was completed and the controller will restart n and return to normal state Advice None Event ID 0x2812 ENCLO Type SURE Severity INFO Parameters Message BBM is charging eee BBM was not fully charged and it started charging Advice Start host access or operations after the BBM at fully charged state Aendiix Event ID 0x2813 ENCLO NOTIC Type SURE Severity E Parameters Message BBM charging completed Scene BBM charging was done and BBM was fully charged Advice None Event ID 0x2814 Type as Severity WARNING Parameters SURE Message BBM absent ee The controller cannot detect BBM Advice Check if the BBM is properly installed or replace with a new BBM Event ID 0x2815 ENCLO NOTIC Message Temperature of BBM back to normal Descriptio The temperature of BBM returned to normal working tempera n ture range Rdvies If the temperature is very unstable contact local sales or sup port office Event ID 0x2816 Type Sai S
35. NTP server network address This is valid only when ntp is specified Command timezoneset Synopsis timezoneset x Description Set the time zone Parameters x increase or decrease hour x starting from GMT Command ntpsync Synopsis ntpsync Description Immediately synchronize controller s time with network time server Command datelist Synopsis datelist Description List the current date time and time zone on the controller 4 37 Using the CLI Commands the CLI Command 4 8 3 Administration security control Command login Synopsis login username t target_controller Description Login into CLI with an account and its password username enter the user name Parameters t target_controller enter the IP address of the RAID subsystem the users want CLI to log in Command passwd Synopsis passwd user admin old_password new_password Description Set or change the password for an account Id d enter the old d Paranieters old_password enter the old passwor new_password enter the new password Command passwdchk Synopsis passwdchk user admin on off Review or set password checking for an account Description Show or change the setting of password check for an account Parameters on off enable or disable the password check Command paswdmail Synopsis passwdmail s account send off When enabled the email account to which the gt password reminde
36. Restart system Q Quit amp Boot RAID system Cmd gt p New Password Retype new Password B 1 7 R Restart system Press R to exit the Boot Utility and restart the RAID system B 1 8 Q Quit amp Boot RAID system Press Q to exit the Boot Utility and the system starts to load the primary flash When the loading is done you can boot the RAID system B 6 C 1 RAID e Disk operations Event ID 0x0800 Type RAID Severity INFO Parameters Disk ID Message HDDx added Description hddx was added to the system from the user interface Advice None Event ID 0x0801 Type RAID Severity INFO Parameters Disk ID Message HDDx removed Description hddx was removed from the system from the user interface Advice None Event ID 0x0802 Type RAID Severity INFO Parameters Disk ID Message HDDx plugged Description hddx was added to the system by manual installation Advice None Event ID 0x0803 Type RAID Severity INFO Parameters Disk ID Message HDDx unplugged or hddx was removed from the system by manual unplugging or Description hddx failed to respond to the controller Advice None Creation and deletion C 2 Event ID Ox0c00 Type RAID Severity INFO Parameters JBOD ID Message JBODx
37. Select Maintenance Utilities gt LD Reconfiguration from the main menu 2 Select Shrink and specify the following options for a VOL shrink task VOL ID Select a VOL ID from the drop down menu for shrink Shrinking VUs_ Select member VUs you want to remove from the list and use the arrow buttons to move them to the Shrinking VUs list Note 1 The volume must be in optimal state 2 There must be at least two concatenating volume units in a volume 3 All selected volume units must be the last concatenating volume units in the volume 3 Click Apply to view the current settings 4 Click Confirm to continue the shrink 2 7 8 Cloning hard disks When a hard disk is likely to become faulty or develop errors for example when the number of reported errors or bad sectors of a physical disk increases over a certain threshold or a disk reports SMART warning you can copy all the data on the disk to another disk To clone a hard disk do the following 1 Select Maintenance Utilities gt HDD Clone from the main menu 2 Click Clone and specify the following disk cloning options Source Disk Select a source disk you want to clone The disk must not be in an NRAID disk group Target Disk Select the target disk to be the clone The disk must be either unused a global spare or a local spare of the same disk group as the Source Disk 2 49 Usingthe RAIDGUL the RAID GUI 2 50 Schedule Immediatel
38. Severity NOTICE Parameters ID Notify threshold SE 5 Message Kogira disk init progress w on DGxLDy reach the notify per cent z Description The progress of initializing logical disk has reached the pre define threshold Advice None C 5 Appendix C 6 Spare Event ID 0x0804 Type RAID Severity INFO Parameters Disk ID Message Global spare HDDx added Description hddx was selected to be a global spare Advice None Event ID 0x0805 Type RAID Severity INFO Parameters Disk ID Message Global spare HDDx removed Description Global spare hddx was changed to be an unused disk Advice None Event ID 0x1002 Message Local spare HDDx of DGy added Description hddx was selected as local spare of dgy Advice None Event ID 0x1003 Type RAID Severity INFO Parameters a pee Message Local spare HDDx of DGy removed Description dgy s local spare hddx was removed Advice None Apendiix Rebuild Event ID 0x2000 Type RAID Severity NOTICE Parameters DG ID Message Rebuilding on DGx started Description Disk rebuilding on dgx was started Advice None Event ID 0x2001 Type RAID Severity NOTICE Parameters DG ID Message Rebuilding on DGx completed Description Disk rebuilding on dgx was completed
39. a Bees 2 68 20 4 MISCEIGNCOUS n tua oe als ce le eur aa 2 70 2 10 System Management 2 cccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeenaeeeeeeeeeaaaees 2 71 2 10 1 Restoring to factory settings zs sccos cetecvorsgecasseatecgASecrnesenegvazietieeess 2 71 2 10 2 NVRAM configuration 0 ecceeeeeeeeeeeeeeneeeeeeeeeeeaeeeeeeeeeeeeneaeeeees 2 71 2 10 3 Setting up the network lt scieiven ts ss culeves Antes teed eae ei 2 73 2 10 4 Setting up the time aia ise can ora ia Ane a aligns 2 74 2 10 5 Security control at iicei eal ctrl ee ech eda dadtace tats sannee ueteants 2 75 2 106 System iNformatiOM genri a eh ee ea koe tees 2 76 2 10 7 Battery backup module ceeeeeceeeeeeeeeeeeeeeeeeeneeeeeeeeeeseeenaeeeees 2 76 2 10 8 Update the firmware and boot code ceeeeeeeeeeeeeeeeeeeeetteeeees 2 77 2 10 9 Restart or halt the controller ccccceseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 2 77 2 10 10 MISCCIANGOUS iriri a erate sees 2 78 2 11 Performance Management cccccceeeceeeeeeeeeeeeeeeeeeeeeeaeeeeeeeeeeaeees 2 79 Zl Hard di KS tess eek oie alee Oe isle ate 2 79 BD VPN OCNG mana a eos iS chr eat eek ae Bec cece bad elias 2 80 2 PE SEUNG ein ner ee ree ee ee eee ee eee eae 2 81 2 1 124 Storage OM sermien a EE aaa aea 2 83 Conteris Chapter 3 Using the LCD Console 3 1 Starting LCD Manipulation ssc teiheosdecee hvala dace nt ie tation yeteee 3 1 3 1 1 Confirm password cic ete ctee ett tte tual eal teat 3 2 O22
40. algorithms Options serene net ceseicestesut ieee betel tates 4 7 e ATAO ET a EE EE aac c cede doers see culhiaue os ETT 4 8 2 BC ACS eee oe eee Se ae ete A ons qoeea rene M eee aeaeee ees 4 9 4 3 RAID Maintenance Utilities 2 eee eee eeeeeeeeeeeeeeeeeeeeeeeeeeeennaeeeeees 4 11 4 3 1 RAID attributes reconfiguration utilities ccceeeeeeeeeeeeeeeee 4 11 4 3 2 Data integrity maintenance utilities 2 0 eee eeaeee eneee 4 13 4 3 3 Task priority control 2 tcd nile cecls ah cee deceenpas lee tedeatendansetheetnade 4 14 4 3 4 Task schedule management ccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeetees 4 15 4 3 5 On going task monitoring cess eeeceeeeeeeeeeneeeeceeteeeteeseeeeeeeenen 4 15 4 3 6 Array and volume roaming ceeeeeeeteeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeteee 4 16 4 3 7 Array recovery utilities sccedceeca2ees ecvetcwcncsbiees cedesh stares deauet cadseebeuneeet 4 17 Contents n y 4 4 Storage Presentation cceecccseceeeeeeeeeeeeceeeeeeeeseeaeeeeeeeeeaeeeeeeeeeeees 4 18 a ma MOGI S shots ee etal tak Gane hE oh aN dels Ne te tl a A 4 18 AA 2 OSU QhOUDS cicvesccse ts de tes caret ecard E E 4 19 44 3 Storage groups senii ane nl eine teenies 4 20 4 4 4 Presentation planning cccccceeeeeeeeeeeeneeeeeeeeeeeeeenaeeeeeeeeeeneaees 4 21 4 4 5 Selective storage presentation cccccceceeeeeeeeeeeeeeeteeeeeeeeeneees 4 21 4 4 6 Simple storage presentation cccceeeeesseeceeee
41. and click Stop to abort the disk scrubbing A confirmation prompt displays Click Confirm to cancel the scrubbing task 2 7 10 Regenerating the parity This feature is less complicated than scrubbing This command regenerates the parity of a logical disk or all logical disks on disk groups without parity checking Follow the steps below to create a regenerating parity task 1 Select Maintenance Utilities gt Regenerate Parity from the main menu 2 Click Reg parity and specify the following options for a parity regeneration task DG ID LD ID Select a DG ID and an LD ID or All LDs from the drop down menu for parity regeneration Schedule Immediately The task will start immediately Once The task will start on the specified date and time Weekly The task will start on the specified day and time every week Monthly The task will start on the specified date and time every month 3 Click Apply The task will start according to the specified time To stop parity regeneration do the following 1 Select the task s and click Stop A confirmation prompt displays Click Confirm to stop the parity regeneration task 2 52 Using the RAID GUI the RAID GUI 2 7 11 Performing disk self test This feature instructs the hard disks to start or stop short or extended disk self test DST The test performs a quick scan for bad sectors To execute this function make sure the SMART warning has been turned on See 2 8 1 Hard dis
42. created Description jbdx was created Advice None Event ID 0x0c01 Type RAID Severity INFO Parameters JBOD ID Message JBODx deleted Description jbdx was deleted Advice None Event ID 0x1000 Type RAID Severity INFO Parameters DG ID Message DGx created Description dgx was created Advice None EventID _ 0x1001 Type RAID Severity INFO Parameters DG ID Message DGx deleted Descripti dgx was deleted Advice None Event ID 0x1800 Type RAID Severity INFO Parameters DG ID LD ID Message DGxLDy created Description dgxldy was created Advice None Event ID 0x1801 Type RAID Severity INFO Parameters DG ID LD ID Message DGxLDy deleted Description dgxldy was deleted Advice None Event ID 0x1c00 Type RAID Severity INFO Parameters VOL ID Message VOLx created Description volx was created Advice None Event ID 0x1c01 Message VOLx deleted Description volx was deleted Advice None C 3 Appendix e Initialization Event ID 0x204c Type RAID Severity INFO Parameters DG ID Message Write zero init on DGx started Description Disk group zeroing task on dgx was started Advice None Event ID 0x204d Type RAID Severity INFO Parameters DG ID LD ID Message Logical disk initon DGxLDy started Description Logical disk ini
43. data is stored across all disks in the array This maximizes the amount of storage capacity available from all drives in the array while still providing data redundancy Data under RAID 5 is block interleaved RAID 5 Independent data disks with distributed parity blocks Characteristics Storage capacity number of disks 1 x capacity of the smallest disk A minimum of three disks are required Fault tolerance Good Each data block is written to a disk The parity of blocks with the same rank is generated on writes recorded in a distributed location and checked on reads Highest read data transfer rate medium write data transfer rate Relatively low ration of parity disks to data disks results in high efficiency Good aggregate transfer rate Most versatile RAID level Recommended use File and application servers Database servers Internet email and news servers Intranet servers The diagram below represents the writing of data on a RAID 5 array composed of four HDDs connected to the controller Parity blocks are represented by the letter P A 8 Aendiix Figure A 4 RAID 5 disk array Appendix A 6 RAID 6 RAID 6 stripes data and parity data across an array of drives as with RAID 5 and calculates two sets of parity information for each stripe to improve fault tolerance Performance wise RAID 6 is generally slightly worse than RAID 5 in terms of writes due to the extra parity calculations It may
44. disable the read ahead Read Ahead This option specifies the read ahead multiplier for Multiplier the Always and Adaptive read ahead policies Select how much additional sequential data will be pre fetched The default value is 8 Read Logs This option specifies the number of read logs for the Adaptive read ahead policy The range is between 1 and 128 The default value is 32 To clear write buffers in the write cache of a JBOD disk select a JBOD and cl e Detailed JBOD disk information ick the Flush button Click to display a complete list of JBOD disk information You will see the following details JBOD ID UUID Created Time and Date Write Cache Status Write Cache Setting Write Sorting Read Ahead Policy Read Ahead Multiplier Read Logs 2 23 Usingthe RAIDGUL the RAID GUI 2 6 3 Disk groups This feature allows you to create delete and modify your disk group settings Create disk groups Click Create to add a new disk group where up to a maximum of 8 disk groups can be created Specify the following options for configuration DG ID Select a DG ID from the drop down menu Name Use the system default name as dgx x is the DG identifier OR Uncheck the Use system default name box and enter the name in the Name field The maximum name length is 63 bytes Members and Spares Select member disks and spare disks to be grouped Capacity to Truncate
45. disk group to be assigned for logical disk setting LD ID Select an LD ID from the drop down menu Name Use the system default name as dgxldy x is the DG identifier and y is the LD identifier OR Uncheck the Use system default name box and enter the name in the Name field The maximum name length is 63 bytes RAID Level Select a RAID level for the logical disk Different logical disks in a disk group can have different RAID levels However when NRAID is selected there must be no non NRAID logical disks in the same disk group Capacity MB Enter an appropriate capacity for the logical disk This determines the number of sectors a logical disk can provide for data storage Stripe Size KB 4 8 16 32 64 128 256 512 The stripe size is only available for a logical disk with a striping based RAID level It determines the maximum length of continuous data to be placed on a member disk The stripe size must be larger than or equal to the cache unit size Free Chunk Each free chunk has a unique identifier in a disk group which is determined automatically by the controller when a free chunk is created Select a free chunk from the drop down menu for logical disk creation 2 28 Using the RAID GUI the RAID GUI Initialization Noinit No initialization process and the logical Option disk can be accessed immediately after it is created Regular The controll
46. e Ea e aaa a ataa A 15 ATORAIDGO Sararannan A teies A 17 Pee Ul BB DY eenia EE n a a ai aiai A 19 PCMAG AD sAn E O a E A 20 Appendix B Boot Utility B 1 Boot Utility Menu sssssssesssesssnnnnnneserrrnnrensrrnnnrnrrrnnnnnnnnstnnnnnnerennnnnnseeennnn B 1 B 1 1 N Set IP address sooonnennneeeoseeeneeesoeesnnnrreeeerrenrreseernnnnnrnernnnne e B 2 B 1 2 L Load Image By TETP ririnmsrinii enira e aaea Kaai B 3 B 1 3 B Update Boot ROM 00 00 eeee cece ee eeeeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees B 5 B 1 4 S Update System ROM cnsitase tearing Saher B 5 BLSA TY SL Gee cae eae soda eae ue eed eee ee B 6 Be 1 0 P Set Passwords ragna aa a ae an e B 6 B 1 7 R Restart system sess cbse cctrniduceviest vee nowy o hi thedind calidad B 6 B 1 8 Q Quit amp Boot RAID system 00 ec eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeteees B 6 Appendix C Event Log Messages C RAD a in cn sartasshadeatiis iineteracrte a senananeeauaneeeoanenaaeaians C 1 Ce Wee SIG saaa a a iia a eaaa C 10 G S DISK eea O E E A E E O t C 28 CA OSE DOMES oes csetietisctecs cae eeunccinar ures indtacvelcwens seis cucesh A A E C 39 C5 Controller Mardwarec lt s ccc Ar ca da en ata aa C 50 CGE NCIOSUIG asiera ccteneiehd ant rE E Ea E eb EE ae C 54 G System taint as Ahsan tie ale Rot Ce cae eat lene Le aie I C 65 BAN GIW OTK anin ch tect crated och a vnen torte aig a eat es euneaeh a Ran C 75 CR List of Tables Table 2 1 Buttons in monitor and config mode
47. hddx completed with error but the failed elements are unknown Advice The disk failed or will fail soon replace the hard disk Aendiix Bad block handling Event ID 0x1401 Start Sector Type DISK Severity WARNING Parameters NO End Sector NO Disk ID Message Bad blocks between sector x and sector y on HDDz detected Description A bad block starting from sector x on hddy was detected by the controller If the number of bad blocks detected is growing exceptionally fast or beyond a reasonable number consider to conduct Advice diagnostics and replace with new disks If there is no subse quent event notifying the recovery or reallocation of the bad block detected data on the bad block is lost Event ID 0x1404 Start Sector Type DISK Severity WARNING Parameters NO En9 Sector NO Disk ID Message Bad blocks between sector x and sector y on HDDz recovered Description A bad block starting from sector x on hddy was recovered by the controller If the number of bad blocks detected grows exceptionally fast Advice or beyond a reasonable number consider to conduct diagnos tics and replace with new disks Event ID 0x1400 Sector NO Type DISK Severity WARNING Parameters Sector NO Disk ID Message A BBR entry added for mapping sector x to sector y on HDDz Description An entry of bad block reallocation table at was allocated for mapping sector x to sector
48. link unexpectedly disconnects or it happens continu Advice ously during host access check the host connectivity or con tact local sales or support office C 43 Appendix C 44 IO exceptions handling Event ID Ox300f Host Port ID Type HOST Severity WARNING Parameters Host WWPN LUN ID Message Task abort on host port x from host y to LUN z The controller received task abort on host port x from host y to LUN z This could be to recover from a transient error due to D ription unstable channel command time out or unexpected host SSEnpig behaviors The controller will drop the command specified by the host and the host will retry the command however this could result in LUN performance drop If this event occurs often check the host connectivity check Advice LUN s IO statistics to see if the maximum response time is reasonable for the hosts connected or contact local sales or support office Port and chip Event ID 0x3010 Type HOST Severity INFO Parameters Host Port ID Message Host port x started Description The controller has started the host port x successfully and link up can be started Advice None Event ID 0x3011 Type HOST Severity WARNING Parameters Chip ID Message Reset host i f chip x The controller resets chip x that failed to execute commands properly This could be to recover from trans
49. login screen eee eeceesecceceeeeeeeeneceeeeeeeeeeeeaeeeeeeeeeeeeeees 2 3 Figure 2 1 1 GUI login screen 4U24Bay ceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaeees 2 3 Figure 2 2 Multiple system viewer side button eeeeeeeeeeeeeeeeeteees 2 4 Figure 2 2 1 Multiple system viewer side button 4U24Bay 00 2 5 Figure 2 3 Opening the multiple system viewer cccceeeeeeeeeeeetteees 2 5 Figure 2 3 1 Opening the multiple system viewer 4U24Bay 00 2 5 Figure 2 4 GUI monitor mode 0 eee eeeeeceeeeeeeeeeeeeeeeeneeeneneeeeeeeeeeeseeees 2 7 Figure 2 5 HDD Tray GUI ncssciscettccceee sect sect idhe elses 2 8 Figure 2 6 Rear side of the RAID system GUI eeeeeeeeeeeeeeeeeeees 2 11 Figure 2 6 1 Rear side of the RAID system GUI 4U24Bay 2 11 Contents nnn y Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 Figure 2 14 Figure 2 15 Figure 2 16 Figure 2 17 Figure 2 18 Figure 2 19 Figure 2 20 Figure 2 21 Figure 2 22 Figure 2 23 Figure 2 24 Figure 2 25 Figure 3 1 Figure 3 2 Figure A 1 Figure A 2 Figure A 3 Figure A 4 Figure A 5 Figure A 6 Figure A 7 Figure A 8 Figure A 9 LOIN SECION Tsiranana taana anaa nern E aiai aaia 2 13 SAS enclosure monitor mode ccceeeeeeseceeeeeeteeeeseeeeees 2 14 SAS enclosure configuration mode eeeeeeeeeeeeeeeeeteeeeees 2 15 Overview Screen sintamisscsucdsta
50. new firmware image Follow the steps below to load an image 1 Open the TFTP Server click the Browse button to set the boot code or firmware image directory You can use the Show Dir button to see the files in the directory Tftpd32 by Ph Jounin Current Directory F Ntftp Browse Server interfaces 10 101 00 118 Show Dir T tp Server Titp Client Syslog server Current Action Listening on port 69 About Settings 2 Press L in the Boot Utility and enter the file name of boot code of firmware N Set IP address L Load Image by TFTP B Update Boot ROH Update System ROM H Utility menu P Set Password R Restart system Q Quit amp Boot RAID system Cmd gt L File name _ B 3 Appendix 3 The TFTP server starts loading When the loading is complete you can proceed to update the Boot ROM or System ROM Tftpd32 by Ph Jounin Sele 82410_16_ACS_00_FW_0 02 Browse File size 16777216 Show Dir 6564352 Bytes sent 1094058 Bytes sec a or He le lt 624TU_ UU FW_UU2 gt Mode octet OACK lt timeout 5 gt lt gt il Current Action OACK lt timeout 5 gt About Settings Help Aendiix B 1 3 B Update Boot ROM Press B to update the Boot ROM The firmware versions and the Update download boot firmware message are displayed Press Y to start the Boot ROM update You can see the process percentage on the
51. of the enclosure Command encdiskpoll Synopsis encdiskpoll xxsec Description Specify the polling interval at which the controller polls the disk drives in the external enclosure Command enclist Synopsis enclist encx element all Description List the current status of one or all management elements of an enclosure element could be one of the following values spow vit Parameters crt fan tm Each of which means power supply voltage sensor current sensor fan and temperature sensor Command enclist conf Synopsis enclistconf Description List enclosure configurations Using the CLI Commands the CLI Commands 4 6 Performance management 4 6 1 Hard disks Command hddstat Synopsis hddstat on off reset Description Change the setting of hard disk IO logging Command hddliststat Synopsis hddliststat hddx Description List hard disk IO statistics 4 6 2 Cache Command cachestat Synopsis cachestat on off reset Description Change the setting of cache IO logging Command cachestatlist Synopsis cachestatlist volx dgxldy jbdx all Description List cache IO statistics 4 6 3 LUN Command lunstat Synopsis lunstat on off reset Description Change the setting of LUN IO logging Command lunliststat Synopsis lunliststat sgxluny fcpxluny sasxluny scpxidylunz hgxluny Description List LUN IO statistics 4 31 Using the CLI Comm
52. or hard disk configurations do the following 1 Select the Erase configurations on NVRAM or the Erase configurations on HDD s option to clear all configurations made on NVRAM or hard disks 2 When the Erase configurations on HDD s option is selected specify the hard disks or a hard disk to clear the configurations on it 3 Click the Apply button and the erase configuration message appears Click Confirm to restore factory default values Note 2 1 The Erase configurations on HDD s option will be available only when hard disks are in foreign conflict or unknown state 2 After the erase command is applied to NVRAM the controller will restart immediately 2 10 2 NVRAM configuration The controller s configurations are stored in either NVRAM or hard disk s depending on configuration types The following options allows you to manage the configuration data Save the NVRAM configuration to HDD s Specify this option to save the NVRAM configuration data to a hard disk or all hard disks Warneng The controiler will restart enmedsately when a user restores user conSqurations Sane the NVRAM configurations to HODES T Apply to all HDDs pa Read the NVRAM configurations kom HDDs and save to the NVRAM Get main conSqurations Upload a conSguration Me and store it as the controller s main configurations Figure 2 18 Options in the Configurations screen 1 System Management menu 2
53. perform recovery you must fully understand the partition state of each logical disk A partition of a logical disk can be one of the following states OPTIMAL FAULTY BANISH REBUILD or UNTRUST Each state is described as below e OPTIMAL The partition is working and the data is valid e FAULTY The partition is lost the member disk is removed or faulty and it results in a faulty logical disk The data on the faulty partition will be still in sync with data on other partitions The data on the faulty partition can be used after recovery e BANISH The partition is lost the member disk is removed or faulty and it results in a degraded logical disk The data on the banish partition will be out of sync with data on other partitions The data on the banish partition can be used after recovery e REBUILD The member disk of the partition has been added to the logical disk and the partition is rebuilding the data e UNTRUST The member disk of the partition has been added to the logical disk but the data on the partition cannot be trusted It can become trusted if the logical disk can rebuild the data on the partition 2 55 Usingthe RAIDGUL the RAID GUI Partition state transition The corresponding events and state transitions of a partition are shown in the table below Table 2 11 State transition From To Disk is failed or removed FAULTY for faulty logical disk PPIIMAIE BANISH for d
54. to determine which piece of equip ment caused the overload Event ID 0x2820 Type ENCLOSURE Severity INFO Parameters Message UPS overload solved Description The UPS overload solved Advice None C 64 Aendiix C 7 System Configurations Event ID 0x2400 Type SYSTEM Severity INFO Parameters DISK ID Message RAID configurations on HDDx erased Description The RAID configurations stored on hddx were erased RAID configurations for the disk such as JBOD disk disk group logical disk and volume is lost Re install the disk to the controller so that the controller can Advice PR od re initialize it Event ID 0x2401 Type SYSTEM Severity INFO Parameters Message RAID configurations on all disks erased Description RAID configurations stored on all disks were erased All RAID configurations are lost Restart the controller so that all disks can be re initialized all Advice together Event ID 0x2415 Type SYSTEM Severity INFO Parameters Message NVRAM configurations restore to default Description The controller configurations stored on NVRAM were erased and restored to factory default Advice None Event ID 0x2416 Type SYSTEM Severity INFO Parameters DISK ID Message NVRAM configurations restored from HDDx Description The NVRAM conf
55. when removing them Modify Select a hard disk and click this button to enter the settings screen to enable or disable the disk cache and the disk identify function Note When the selected hard disk is not in the on line state the Disk Cache field will not be displayed If a hard disk belongs to a disk group you cannot change its disk cache To modify it refer to 2 6 3 Disk groups If the hard disk belongs to a disk group you can check the Apply to all members of this DG option to apply the disk identify setting to all the member disks in a disk group G Spare To add or remove global spare disks click this button to enter the settings screen Detailed hard disk information Click amp to display a complete list of hard disk information You will see the following details e HDDID e NCQ Supported e UUID e NCQ Status e Physical Capacity KB e Command Queue Depth e Physical Type Standard Version Number e Transfer Speed e Reserved Size of Remap Bad e Disk Cache Setting Sectors as HiskCache Statis e Bad Sectors Detected e Bad Sectors Reallocated e Disk Identify e Firmware Version e Serial Number e WWPN 2 21 Usingthe RAIDGUL the RAID GUI 2 6 2 JBOD This feature allows you to create delete and modify your JBOD settings e Create JBOD disks Click Create to add a new JBOD disk where up to a maximum of 16 JBOD disks can be created Specify the following options for the confi
56. working at all times You can determine the way of array roaming through the Auto Array Roaming Control See 2 7 15 Miscellaneous When the Auto Array Roaming Control option is enabled the configuration of the disks can be identified and restored and uncompleted tasks are automatically resumed Some hard disk configurations may cause conflicts when moved to a new controller You are allowed to view group information including the virtual disk and hard disk states from the Array Roaming page Note z At the top of the page you can select the group id and the group type JBOD disk disk group or volume for the information to be displayed Each group type will have different columns on this page To import the foreign conflict disks click the Import button and specify the following options Target ID Select an ID which may be a JBOD ID disk group ID or volume ID to be used after import Members Select the foreign conflict hard disks to be imported and restored the configurations Use the arrow buttons to move the hard disks from the Available Members list to the Selected Members list Force to import Check this option to allow the import of incomplete abnormal disk groups Without this option only normal disk group groups and volumes can be restored Using the RAID GUI the RAID GUI 2 7 13 Array recovery With the Array Recovery Utility ARU you can recover the disk groups logical disks and volumes To
57. y on hddz If the number of BBR table entries or spare blocks being real Advice located grows exceptionally fast or beyond a reasonable num ber consider to conduct diagnostics and replace with new disks C 33 Appendix C 34 Event ID 0x1408 Type Sector NO Parameters Disk ID DISK Severity WARNING Message Invalidate sector x on HDDy Description The controller marks an area starting from sector x on hddy as non trustable by recording the sector in the bad block real location table When the controller accesses the invalidated areas it returns media error to hosts This happens when the controller cannot rebuild data from remaining disks This results in data loss but the area on disk is still accessible The mark could be removed when hosts writes to this area or corresponding logical disk is re created Advice If the number of BBR table entries being allocated grows exceptionally fast or beyond a reasonable number consider to conduct diagnostics and replace with new disks Event ID 0x140e Type Sector NO PSR Disk ID Severity WARNING Parameters Message Description Read from an invalidated block at sector x on HDDy The hosts read data from sector x on hddy which was previ ously marked an invalidated area The hosts got media error from the controller This happens when the controller cannot rebuild data from rema
58. 0 Block striping with distributed parity combined with block striping Characteristics e Storage capacity number of disks in each subarray 1 x number of subarrays x capacity of the smallest disk A minimum of six disks are required More fault tolerant than RAID 5 High data transfer rate RAID 0 striping ensures high I O rates Recommended use e Applications requiring random positioning performance e Large databases Appendix Logical Volume Striping Figure A 8 RAID 50 disk array A 16 Aendiix A 10 RAID 60 RAID 60 arrays are formed by striping data across RAID 6 sub arrays Striping increases the system capacity and performance without adding disks to the array It features dual parity which allows for a possible failure of two disks in each array RAID 60 Striping with dual parity Characteristics e Storage capacity number of disks in each subarray 1 x number of subarrays x capacity of the smallest disk e A minimum of eight disks are required e More fault tolerant than RAID 5 e Dual parity allows two disk failures in each array e Increased capacity and performance thanks to striping Recommended use e Data archiving backing up e High availability applications e Large capacity servers Appendix Logical Volume Striping Figure A 9 RAID 60 disk array A 18 Aendiix A 11 JBOD JBOD Just a Bunch of Disks focuses on individual dri
59. 430 Type SYSTEM Severity FATAL Parameters Debug Code Message Fatal system fault x Description Unknown fatal system fault and its event ID is x Advice Contact local sales or support office C 74 Aendiix C 8 Network Network Event ID 0x3400 Type NET Severity INFO Parameters Message Network link up Description The network link had been built successfully Advice None Event ID 0x3401 Type NET Severity NOTICE Parameters Message Network link down The network link connection was refused This happens when Description the network configuration is incorrect or cable were removed or during abnormal network activity If the network link unexpectedly disconnects or it happens Advice repeatedly check the network configuration and hardware If it is still unable to work contact local sales or support office Event ID 0x3402 Type NET Severity WARNING Parameters Message MAC address conflicted Description The MAC address of network adapter conflicted with another one on the same network Advice Try to configure the network adaptor with a different MAC address Event ID 0x3403 Type NET Severity WARNING Parameters Message IP address conflicted Description The IP address of network adapter conflicted with another on the same network Advice Try t
60. 6 Nn gt No 2 Nn gt No 1 Where Nn means the number of member disks in the new RAID level No means the number of member disks in the original old RAID level OK means the migration is always possible and N A means the migration is disallowed Stripe Size KB This option must be specified when migrating from 2 44 a non striping based RAID level to a striping based RAID level Using the RAID GUI the RAID GUI Schedule Immediately The task will start immediately Once The task will start on the specified date and time Defragment Check this option to allow defragmentation during during migration migration 2 45 Usingthe RAIDGUL the RAID GUI 2 7 4 Expanding the capacity of logical disks in a disk group To expand the capacity of a logical disk do the following 1 Select Maintenance Utilities gt LD Reconfiguration from the main menu 2 Click Expand and specify the following options for an LD expansion task DG ID LD ID Select a DG ID and an LD ID from the drop down menu for expansion Capacity MB The capacity of a logical disk can be expanded if there is a free chunk available on the disk group Note 1 The new capacity must be bigger than the current capacity The sum of increased capacity of all logical disks on the disk group must be less than or equal to the sum of capacity of all selected free chunks Schedule
61. 8 256 512 The stripe size must be larger than or equal to the cache unit size Alignment Set the alignment offset for volume starting sector Offset sector to enhance the controller s performance For Note Windows OS it is suggested to set the alignment offset at sector 63 All logical disks must be in the same RAID level No two logical disks can be in the same disk group None of the logical disks can be used by other volumes None of the logical disks can be bound to any LUNs All logical disks must be in the optimal state All disk groups of the logical disks must belong to the same owner controller Using the RAID GUI the RAID GUI Delete volumes Select the volume s you want to delete and click Delete To delete all LUNs of volx check the Force to delete LUN mapping s box All access to the volume will be stopped e Modify volumes To modify a setting select a volume and click Modify Specify the following options for configuration Name Type a name for the volume ID Write Cache This option enables or disables the write cache of a volume Write Sorting This option enables or disables the sorting in the write cache To improve writing performance it is recommended to turn this option on for random access This option is available only if the write cache is on Read Ahead Always The controller performs pre fetching data Policy for every read command from hosts
62. AID level stripe size for logical disks 00 2 44 2 7 4 Expanding the capacity of logical disks in a disk group 2 46 Contents nnn y 2 7 5 Shrinking logical disks ssseessnnnennssesnressserernrrrreserrnrnnsssrrrnnneeeet 2 47 2 7 6 Expanding VOlUMEeS kcal ie iadlectahie silecle la in ddsnta Cater chat 2 48 27 7 SMinKing VoU meS 55 estes cree hie cate anita cade neta en ieee casera 2 49 2 7 8 GlONING Maro CISKS ssena aaa 2 49 2 9 SCrUBDING rc beets ati an tet a Stine beeen et tak Nai aaaea 2 51 2 7 10 Regenerating the parity eeccccceeeeseeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeees 2 52 2 7 11 Performing disk self test cccecicescesecatsseeveridiqeeinidin tet incteletbiecstneeies 2 53 242 Array roaming merne a a a aE 2 54 2 7 13 Array recovery Saiki eat Lett sr ei ith iat ie kN 2 55 2 A4 SCNCOUIGNASK rarose a etal rae ute ere erence 2 58 2 7 10 WISCOIANCOUS susr u cayenne teen a Lak 2 58 2 8 Hardware Configurations cceeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeseeeenaeeeees 2 60 DO AIGROGISKS ti castet a ht aD ees a Aae 2 60 2 8 2 oa Ge POMS nanain ae re Pe re or ee eee ge ee 2 63 2 8 3 COM OOM tes verte es Gant eeseracene to aice A E weapons aa 2 64 2 9 Event Management ay evecare eee kh ees iether eh oe ae 2 65 2 9 1 Setting p the SN Pacts ee eae a e eres Seasick 2 65 2 9 2 Setting up the SNMP vsxctiatcaanr al ahial aia asses 2 66 29 S Event IO OS rt hist ete a fe ht an at tao ee eee A hint ale
63. Command help Synopsis help class_name command help list the name of all classes Description help class_name list commands in the specified class help command display the full documentation 4 41 Using the CLI Commands the CLI Command 4 10 Configuration shortcuts 4 10 1 RAID quick setup Command raidquick Synopsis raidquick r raidlevel i initopt s spare_no Description Initialize RAID configurations and LUN mapping according to the specified r raidlevel RAID level Parameters i initopf initialization method s spare_no the number of global spare disks 4 10 2 Performance profile Command perfprofile Synopsis perfprofile avstream maxiops maxthruput off Description Select the performance profile to apply avstream maxiops maxthruput off AV application Parameter arameters maximum IO per second maximum throughput or off 4 42 5 1 Chanter 5 Troubleshooting Problems and Solutions When operating with the RAID system users might encounter some problems Refer to the table below for the most common conditions and solutions Table 5 1 Troubleshooting Condition Disk groups cannot be deleted Solution Make sure that there is no logical disk in the disk group to be deleted Logical disks cannot be deleted Make sure that there is no volume on the logical disk to be deleted D
64. D2 Figure 1 7 Disk group expansion by adding new member disks and enlarging the last free chunk Disk group expansion to create a free chunk If the disk group has no free chunks in the end space before expansion a new free chunk will be created Disk group before Disk group after Aaa alas MDO MD1 MDO MD1 MD2 MD3 MD4 Figure 1 8 Dekt group expansion by adding new member disks and creating a new free chunk Disk group expansion to consolidate free chunks When disk group expansion is executed in a disk group where free chunks between logical disks exist the free chunks are consolidated and placed in the end space of the disk group after expansion 1 8 Introduction Disk group before Disk group after MDO MD1 MD2 MDO MD1 MD2 MD3 MD4 Figure 1 9 Disk group expansion to consolidate free chunks It is suggested that defragmentation should be performed during disk group expansion In the cases shown in Figures 1 5 1 6 and 1 7 defragmentation forms an organized collocation for all logical disks and free chunks after expansion e Logical disk expansion Logical disk expansion can be used to increase the capacity of a logical disk by allocating free chunks and by moving logical disks in the same disk group to consolidate a free chunk for the new space of the selected logical disks Expand a logical disk by allocating an adjacent free chunk If there is a free chunk right after the logical di
65. EST Bad blocks happened and remapped successfully on the pri Description mary system flash Advice Check if there are any hardware hazards that lead to abnormal flash corruption Watch the secondary flash chip Event ID 0x2424 Type CONTROLLER Severity INFO Parameters B29 Plock number Message x bad block on secondary system flash added Description Bad blocks happened and remapped successfully on the sec ondary system flash Advice Check if there are any hardware hazards that lead to bad blocks Watch the secondary flash chip Event ID 0x2425 Type CONTROLLER Severity WARNING Parameters Message Bad block on primary system flash over 70 Deseription The amount of bad blocks is over 70 of the table that is used to p remap bad blocks A Check if there are any hardware hazards that lead to bad blocks Advice This flash chip is close to fail Aendiix Event ID 0x2426 Type CONTROLLER Severity WARNING Parameters Message Bad block on secondary system flash over 70 er The amount of bad blocks is over 70 of the table that is used Description to remap bad blocks Check if there are any hardware hazards that lead to bad Advice blocks This flash chip is close to fail Controller In Dual Controller Configuration Event ID 0x242e Type CONTROLLER Severity ee Parameters eae Message Controller x failed
66. For firmware update click on the System F W radio button e For boot code update click on the Boot Code radio button 3 Click Browse to select an update file 4 Click Apply and a confirmation prompt displays Click Confirm to continue 5 The controller will immediately start the update task in the background Note 1 Make sure the uploaded firmware is newer than the current version otherwise the system may not work properly 2 When updating the firmware and boot code do not perform any actions in GUI or power off the controller 2 10 9 Restart or halt the controller When you want to turn the RAID system off you must go through a regular shutdown procedure Always follow the steps below to instruct the controller restart or halt before powering off the RAID system 1 Select System Management gt Restart Halt from the main menu 2 Select Restart or Halt from the drop down menu 3 Click Apply e When Restart is selected the controller automatically restarts Click Reconnect when boot up is complete e When Halt is selected a confirmation prompt displays Click Confirm close the GUI and power off the RAID system 2 77 Usingthe RAIDGUL the RAID GUI 2 10 10 Miscellaneous Select System Management gt Miscellaneous from the main menu and the following settings become available for your controller Enclosure Polling Period second Disabled defa ult 1 2 5 10 30 60 This option is only availabl
67. GB Specifies the capacity to be truncated for the smallest disk of this disk group This option is useful when the replacement disk that is slightly smaller than the original disk Without this option the capacity to truncate is OGB LD Initialization Mode The initialization mode defines how logical disks of a disk group are initialized Different disk groups can have different initialization modes Parallel The initialization tasks of logical disks are performed concurrently Sequential Only one initialization task is active at a time White zero immediately When enabled this function will starta background task to write zero to all member disks of the created disk group The disk group can be used for logical disks only after this process iscompleted 2 24 Using the RAID GUI the RAID GUI Note The minimum number of member disks in a disk group is two Different disk groups may have a different number of member disks The number of member disks also determines the RAID level that can be used in the disk group Delete disk groups Select the disk group s you want to delete and click Delete e Modify disk groups To modify a setting select a DG and click Modify Specify the following options for configuration Name Type a name associated for the DG ID Spare Disks Assign disks to be used as local spares Disk Cache This option enables or disables the on disk cache of hard
68. ID Message Host port x IU too short Description A received information unit was shorter than the value allowed by the protocol specification Advice None Event ID 0x3020 Type HOST Severity WARNING Parameters Host Port ID Message Host port x EEDP Guard Error Description The data in an end to end data protection I O failed the CRC guard check Advice None Aendiix Event ID 0x3021 Type HOST Severity WARNING Parameters Host Port ID Message Host port x EEDP Reference Tag Error The logical block reference tag in the data protection informa Description tion block of an end to end data protection I O did not match the expected value Advice None Event ID 0x3022 Type HOST Severity WARNING Parameters Host Port ID Message Host port x EEDP Application Tag Error The logical block application tag in the data protection infor Description mation block of an end to end data protection I O did not match the expected value Advice None Port and chip Event ID 0x3023 Type HOST Severity WARNING Parameters Host Port ID Message IOC Bus Reset on port x Description o reset has occurred on port x that was initiated by the Advice None Event ID 0x3024 Type HOST Severity WARNING Parameters Host Port ID Message Ext Bus Reset on port x Description A bus reset has occurred on port x that w
69. IP for the connection Reset SMTP server Select a server you want to clear the SMTP configurations from and click Reset Configure or Modify SMTP server Select a server you want to configure and click Modify The configurations window opens Enter the information for the following options 2 73 Usingthe RAIDGUL the RAID GUI Server Address Set the SMTP server address Sender Account Set the account to be used on the SMTP server Authentication Turn the authentication on or off for the SMTP server Password Set the password of the account on the SMTP server Name Set the name to be shown in the sender field If this option is not set the sender account on the SMTP will be used Test SMTP server Select a server and click Test SMTP to ensure the SMTP server is correctly configured The Send Test Mail window displays Enter an email address for testing Note The primary and secondary server must not be the same SMTP server and sender 2 10 4 Setting up the time Time is required for the controller to record events and to schedule maintenance tasks There are two time modes for selection static and NTP settings For network settings do the following 1 Select System Management gt Time from the main menu 2 From the Time Mode drop down menu select either static or NTP e If you select the static mode specify the date time and time zone The data and time is set in form as MM
70. Immediately The task will start immediately Once The task will start on the specified date and time Starting Free This option specifies the start and end of free Chunk Ending chunks to be used for the expansion The Ending Free Chunk Free Chunk must be bigger than or equal to the Starting Free Chunk Note At least one free chunk must be adjacent to the logical disk Initialization Background Noinit Option Background applies only to the logical disks with parity based RAID level or mirroring based RAID level 3 Click Apply to view the current settings 4 Click Confirm The task is created 2 46 Using the RAID GUI RAID GUI 2 7 5 Shrinking logical disks The shrink operation conducts without background task it simply reduces the capacity of the logical disk To release free space of a logical disk on a disk group do the following 1 Select Maintenance Utilities gt LD Reconfiguration from the main menu 2 Click Shrink and specify the following options for an LD shrink task DG ID LD ID Select a DG ID and an LD ID from the drop down menu for shrink Capacity MB Enter the new capacity for the specified logical disk to be shrunk Note that the new capacity must be higher than zero Note It is advised that the file systems on the host be shrunk before shrinking the logical disks otherwise shrinking might cause data loss or file system corruption 3 Click Apply to view the curre
71. Information ICONS aver re cutee cee fist hehe cos Ae gnareeeeteieeasatuoveet 2 9 2 2 3 Rear side of the RAID system cceceeeeeecceceeeeeeeeeeeeeeeeeeeeeeeees 2 11 Pee A MOOI AAA ts bei intel aa bite cetaceans ek ete gash raul E 2 13 2 3 SAS Enclosure Display for SAS expansion controller only 2 14 2 9 4 Information ICONS n coterie cant aliaatoct A E R E 2 16 2 3 2 SAS SATA HDD information c ccceeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeees 2 16 2 4 Config ModE a se enced savas a aa E e a ae a eaaa 2 17 PROTO elet o E E A A ES 2 18 2 5 1 Performance profile snnnnneeeeeennnneeeeeennnnererternnnnerrtrnnnnerreeenneeee 2 18 PAS WA V4 DETST mee AEA E E TA 2 19 2 6 RAID Management cceeeseeeeceeeeeeeeeeeeeeeeeneseeaaeeeeeeeeeseeeeeeeeeene 2 20 2 0 1 Hard GISKS waieicinttniaseteacanastintetateueieitieiiaidieialaiehiaploesateattipiniinees 2 20 202 JBOD reee E vanes er Corey re ee a ana Eae 2 22 2 6 3 DISK OrOUPS raan eega Ses neces teenies aae a AE AAAA AEO ESLa RER 2 24 26 4 Logical diS kS aa eae a a ee tae A a A aaa E ei 2 28 2O O VOUMES pittin a E EEE A Sia iiy 2 32 2 6 6 Storage provisioning se cick corned ee Senesl vee deere eeveie edt eae 2 35 2 7 Maintenance Utilities 2 cece ceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeee 2 42 2 71 Expanding disk QlOUPS snsisnpiesniin e 2 42 2 7 2 Defragmenting disk groups ccceeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeaes 2 43 2 7 3 Changing R
72. K Severity WARNING Parameters DG ID LD ID Message Expansion on DGxLDy aborted Description Logical disk capacity expansion on dgxldy was aborted Advice Check if the disk group is faulty during the task TBD Event ID Ox202f Type TASK Severity NOTICE Parameters DG ID LD ID Message Expansion on DGxLDy completed Description Logical disk capacity expansion on dgxldy is complete Hosts might need to rescan the LUN of the logical disk to get Advice the updated capacity The partitions or file systems on the log ical disk has to be grown to access the newly created space Event ID 0x2060 Expand progress DG ID Notify threshold Type TASK Severity NOTICE Parameters Message LD expand progress y on DGx reach to the notify per The progress of LD expanding has reached the pre define Description threshold Advice None Appendix Logical disk shrink Event ID 0x200e Type TASK Severity NOTICE Parameters DG ID LD ID Message DGxLDy shrinked Description DGxLDy shrinked Make sure partitions or file systems on the logical disk have Advice been shrunk before conducting the logical disk capacity shrink After finishing hosts might need to rescan the LUN of the logical disk to get the updated capacity Disk group defragmentation
73. LCD Messages irrin aara e Ee EAA aE 3 3 Be LG DAV OUT aeaoe EE EAE EEEa EENE 3 3 32 2 LeU Se INO poe a e a aa aa ie iaaa ra A A Laa L E To er aa aia 3 4 g2 S Emergent IMO saae e wae aa aa a Ae vende A Ea ar daia 3 6 3 2 4 Background task messages cccecceeeeeeeeeeeeeeeeeeeeseeeaeeeeeeeseeaeees 3 7 CASA m OIEI AEE aed haan et ales A EEE E ET 3 8 E tet EE A EE AAEE AA E A AA eae ue iat Ra te 3 9 3 3 1 Meu Tree m a aaaea ead RE PE aA Ea a E Aa A a Ea Ea 3 9 3 3 2 Creating an Array cceeceeeeeeeeeeeeeeeeeeeeeeeeseeeaeeeeeeeeeeeeenaeeeeeeeeeeees 3 10 3 3 3 Network Settings spss os Sa aes os A ect a ee 3 10 3 3 4 Terminal Port Settings swsrccscicdedeeicutends need Aeeiveb bi aecctids tear ates 3 11 3 3 5 System Settings atria kin acer etah Alen a becca al ae 3 12 3 3 6 System Information scene teehee arent vee et eeetetel eet ae eer oe 3 13 Chapter 4 Using the CLI Commands A AOVGIWIOW cide wi cat a e th tan altel e ai etek al auch sats Goat Ub kets 4 1 4 1 1 Conventions Overview snccntectcce eth eigesieee teh teebeiee wots aeehieaige 4 1 4 2 Basic RAID Manageme nt cccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaaeeees 4 2 2 ANA CIS RG is ese is oa I Ee SR ae cecal 4 2 B22 JBOD ASKS e in acbet a a aaa ts 4 3 4 2 3 DISK QIOUDS rinin eens earn laa clas ee nin 4 4 4 2 4 Spare and rebuild 0 eee eeeeccccceeeeeeeeeeeeeeeeeenaaeeeeeeseeeseaeeeeeeeeeeseeaees 4 5 4 2 5 UOGICAVCISKS masne te el ett lee al ele 4 6 4 2 6 RAID
74. LD migration has reached the pre define threshold Advice None Appendix Logical disk capacity expansion Event ID 0x2037 Type TASK Severity INFO Parameters DG ID LD ID Message Expansion on DGxLDy started Description Logical disk capacity expansion on dgxldy was started manu Advice None Event ID 0x202e Type TASK Severity NOTICE Parameters DG ID LD ID Message Expansion on DGxLDy started by schedule Description Scheduled logical disk capacity expansion on dgxldy was started Advice None Event ID 0x2045 Type TASK Severity WARNING Parameters DG ID LD ID Message Expansion on DGxLDy failed to start by schedule Description ee logical disk capacity expansion on dgxldy failed to Check if the logical disk or the disk group is busy or non opti Advice mal when starting the task Event ID 0x2031 Type TASK Severity NOTICE Parameters DGID LD ID Message Expansion on DGxLDy paused Description Logical disk capacity expansion on dgxldy was paused Advice Check if a member disk in the disk group failed during the task Aendiix Event ID 0x2032 Type TASK Severity NOTICE Parameters DGID LD ID Message Expansion on DGxLDy resumed Description Logical disk capacity expansion on dgxldy was resumed Advice None Event ID 0x2030 Type TAS
75. LUN mappings are cleared Do you want to continue Figure 2 11 Method switching message e Simple method Simple storage is used in direct attached storage DAS environments where there is no FC switch between the RAID and the hosts As the illustration shows any P computer is allowed to access the i en 1 apenas e i LUNs presented by the controller after gaining access to the host ports of the controller PEE EEE LUNs are assigned to each virtual EEEE EE disk in RAID so the host can o ae an address and access the data in Faora gt SD Oo those devices iT Figure 2 12 Simple storage 2 35 Usingthe RAIDGUL the RAID GUI Add LUNs in a storage port In the simple storage main screen click Add to add a LUN to the default storage group of an FC port fepx with a virtual disk HTP ID Each FC port has a unique ID which is determined according to the physical location of the port on the controller Select one from the drop down menu LUN ID Select a LUN ID from the drop down menu where up to a maximum of 128 LUNs can be selected Mapping Virtual Select a virtual disk from the drop down menu Disk for LUN mapping Sector Size 512Byte 1KB 2KB 4KB Select a sector size from the drop down menu as the basic unit of data transfer in a host Number of Cylinder Define a specific cylinder head and sector to Number of Head accommodate different host systems and N
76. O Parameters Message UPS battery back to normal Description UPS battery charge back to normal range Advice None Event ID 0x281d Type ENCLOSURE Severity WARNING Parameters Message UPS battery will fail Description The UPS has a battery that will fail Advice Replace the UPS battery as soon as possible Event ID 0x281e Type ENCLOSURE Severity INFO Parameters Message UPS battery replace back to non failure status O The UPS is replaced and back to non failure status Advice None C 63 Appendix Event ID 0x28 1f Type ENCLOSURE Severity WARNING Parameters Message UPS overload Description The UPS overload 1 If overload occurs immediately after connecting new equip ment to the UPS the UPS cannot support the new load You must connect one or more devices to a second UPS or replace the current UPS with a model that can support a larger load 2 If the overload was not caused by adding new load equip ment run a UPS self test to see if the problem clears If the test Advice fails an overload still exists close all open applications at the UPS load equipment and reboot the UPS If the problem per sists disconnect all equipment from the UPS and reboot the UPS If the overload still exists the UPS needs to be repaired or replaced Contact the UPS vendor support for assistance If the problem is cleared reconnect and turn on the load equip ment one piece at a time
77. One of the controllers failed was removed or powered off Description while the other controller remains working This happens only in dual controller configuration Advice is if the power supply is stable Replace with a new control Event ID Ox242f Control Type CONTROLLER Severity ERROR Parameters ler ID Message Controller x returned Descriptio One of the controllers failed was removed or powered off while R p the other controller remains working This happens only in dual controller configuration C 53 Appendix C 6 Enclosure C 54 Temperature Event ID 0x2800 Sensor ID Type ENCLOSURE Severity NOTICE Parameters a perature M Temperature at sensor x in enclosure y back to normal z c essage Temperature at sensor x in controller back to normal z c The temperature at sensor x in enclosure y or controller Description returned to normal working temperature range right now is z C Advice If the temperature is very unstable contact local sales or sup port office Event ID 0x2801 Sen sor ID Type ENCLOSURE Severity WARNING Parameters ae ID Tem Abnormal temperature detected by sensor x in enclosure y z Message c The temperature at sensor x in enclosure y or controller has Description been out of normal working temperature range right now is z C Advice Check the fans in the system and the air conditioning of the
78. Severity WARNING Parameters LD ID Message Scrub on DGxLDy failed to start by schedule Descriptio Scheduled disk scrubbing on dgxldy failed to start Advice Check if the logic disk is busy or non optimal Event ID 0x2041 DG ID LD_ID Type TASK Severity INFO Parameters Sector Num Row Num Row Num M Scrub on DGvLDw stopped with x bad sectors detected y essage inconsistent rows found and z rows recovered Disk scrubbing on dgvidw was stopped manually and there Description were x bad sectors detected y inconsistent rows found and z rows recovered If the number of bad sectors or inconsistent rows grows Advice exceptionally fast or beyond a reasonable number consider to conduct diagnostics and replace with new disks Aendiix Event ID 0x2042 DG ID LD_ID Type TASK Severity NOTICE Parameters Sector Num Row Num Row Num M Scrub on DGvLDw aborted with x bad sectors detected y essage inconsistent rows found and z rows recovered Disk scrubbing on dgvidw was aborted and there were x Description bad sectors detected y inconsistent rows found and z rows recovered Advice Check if the logical disk is busy or non optimal Event ID 0x203a DG ID LD_ID Type TASK Severity NOTICE Parameters Sector Num Row Num Row Num M Scrub on DGvLDw completed with x bad sectors detected essage y inconsiste
79. TASK Severity NOTICE Parameters Message Defrag progress y on DGx reach to the notify per The progress of defragmentation has reached the pre define Description threshold Advice None e Volume expansion Event ID 0x202a Type TASK Severity NOTICE Parameters VOL ID Message VOLx expanded Description Volume capacity expansion on volx was completed Hosts might need to rescan the LUN of the volume to get the Advice updated capacity and the partitions or file systems on the vol ume has to be grown to access the newly created space Appendix Disk cloning Event ID 0x2015 DISK ID Type TASK Severity INFO Parameters DISK ID Message Clone from HDDx to HDDy started Description Disk cloning from hddx to hddy was started manually Advice None Event ID 0x2034 DISK ID Type TASK Severity NOTICE Parameters DISK ID Message Clone from HDDx to HDDy auto started a ae Disk cloning from hddx to hddy was started by SMART warn Description ing BBR over threshold event or by schedule Advice None Event ID 0x2048 Type TASK Severity WARNING Parameters maa DISK ID Message Clone from HDDx to HDDy failed to auto start Description Auto disk cloning from hddx to hddy failed to start Advice Check if the disk failed or the source disk grou
80. Turn on the RAID system the terminal shows the version CPU and memory information 0 1 2 2006 04 13 933 MHz 1024 MB Memory testing 126MB skip testing lt Ctr1 B gt enter boot utility 2 Appendix 3 You can press ESC to skip the memory test and press Ctrl B to enter the Boot Utility x Set Load Inada Bu TFIP Update Boot ROM Update System ROM Utility menu Set Password P R system Q Quit amp Boot RAID system Cmd gt There are eight items in the Boot Utility menu N Set IP address H H Utility menu L Load Image by TFTP P Set Password xw I B Update Boot ROM R S Update System ROM Q Restart system Quit amp Boot RAID system a ae xww B 1 1 N Set IP address The Boot Utility allows you to update the Boot ROM and System ROM First you need to set the controller and server IP addresses Press N to enter the settings 1 Set the Board IP address and press Enter 2 Set the Server IP address and press Enter 3 Press Y to save the settings Set IP address Load Image by TFTP Update Boot ROM Update System ROM H Utility menu Set or gent am R Restart syst Cmd gt n Board IP address 10 10 88 102 Server IP address 10 10 100 218 Save setting N y md gt _ Aendiix B 1 2 L Load Image by TFTP Before a Boot ROM or System ROM update you need to set up the TFTP server for loading a
81. UL the RAID GUI 2 3 1 Information icons In Monitor Mode the following information icons are displayed on the screen When components are working normally their icons are shown in green When components fail to work the icons are shown in red Click on each icon for detailed information Table 2 7 Information icons in SAS monitor mode Icon Name Detailed Information Temperature e Sensor Ge e Current Non critical e Critical Voltage e Sensor D e Current High Limit e Low Limit Fan module e BP_FAN1 9 BP_FAN2 BP_FAN3 BP_FAN4 e POW1 e POW2 EA Power supply LEJ 2 3 2 SAS SATA HDD information Through the hard disk codes and tray color shown on the screen you can easily identify the status of each connected SAS SATA hard disk Click on each SAS SATA hard disk to display detailed information For more information about hard disk codes and tray colors see Table 2 2 and Table 2 3 2 16 Using the RAID GUI RAID GUI 2 4 Config Mode To configure any settings under Config Mode log in with admin and its password The Overview screen displays as below ee Overview Figure 2 10 Overview screen The RAID GUI Config Mode provides the following configuration settings Quick Setup Allows you to configure your array quickly MAD Allows you to plan your arra Management y aii y Maintenance Allows you to perform mainten
82. a separate disk drive 1 O performance is greatly improved by spreading the I O load across many channels and drives e No parity calculation is required freeing up system resources Fastest and most efficient array type but offers no fault tolerance Recommended use e Video production and editing e Image editing e Pre press applications e Any application requiring high bandwidth The following diagram illustrates writing data to a RAID 0 array composed of four HDDs connected to the controller Data blocks are distributed across all disks in the array A 3 Figure A 1 RAID 0 disk array Aendiix A 3 RAID 1 RAID 1 is commonly referred to as disk mirroring as all data is duplicated on two or more disks This provides a high access rate and very high data availability RAID 1 has low performance for write operations but very high performance for intensive read operations RAID 1 Mirroring Characteristics e Storage capacity the capacity of the smallest disk Aminimum of two disks are required e Fault tolerance Very good e Read transaction rate Good Better than a single drive but worse than many other RAID levels e Write transaction rate Worse than a single drive but better than many other RAID levels e 100 data redundancy means that in the event of disk failure data can be copied directly to the replacement without rebuilding e All the disks contain the same data Recommended use
83. all Description List the status of one or all JBOD disks 4 3 Using the CLI Commands the CLI Command 4 2 3 Disk groups Command dgcreate dgcreate dgi hddx hddy n name i par seq z Synopsis c ctlx s hddz hdda t capacity Description Create a disk group with member disks n name the name of a disk group i par seq logical disk initialization mode parallel or sequential Parameters er z write zero immediately s hddz hdda local spare disks t capacity capacity to truncate Command dgdelete Synopsis dgdelete dgi Description Delete a disk group Command dgname Synopsis dgname dgx name Description Name a disk group Command dginit Synopsis dginit dgi par seq Description Set initiation mode of a disk group Command dglist Synopsis dglist dgx all Description List the status of one or all disk groups 4 4 Using the CLI Commands the CLI Commands 4 2 4 Spare and rebuild Command dgspare Synopsis dgspare add remove dg hddx Description Add or remove a local spare in a disk group Command dgrebseq Synopsis dgrebseq dgi par seq pri I Idx ldy Description Set rebuild mode of a disk group Paraet par seq pri parallel sonoma g priority I Idx ldy priority of logical disks to rebuild Command globalspare Synopsis globalspare add remove hddx hddy
84. all free chunks will be consolidated into the one free chunk located in the space at the bottom of member disks Note 1 Defragmentation does not support NRAID disk group 2 There must be free chunks and logical disks on disk groups 2 43 Usingthe RAIDGUL the RAID GUI 2 7 3 Changing RAID level stripe size for logical disks LD Reconfiguration supports stripe size and RAID level migration for logical disks You can conduct disk group expansion with migration at the same time To change the RAID level or stripe size of a logical disk do the following 1 Select Maintenance Utilities gt LD Reconfiguration from the main menu 2 Click Migrate and specify the following options for an LD migration task DG ID LD ID Select a DG ID and an LD ID from the drop down menu for migration Expanding The controller performs disk group expansion with HDDs specified hard disks RAID Level The controller performs the specified RAID level migration The feasibility of migration is limited to the original and final RAID level and the number of member disks in the disk group The following table defines the rules of the number disks during the RAID migration Table 2 10 Limitations of the number of member disks Old New RAID 0 RAID 10 RAID 3 5 RAID 0 Nn gt No OK OK RAID 1 N A N A RAID 10 Nn gt No 2 Nn No 1 2 RAID 3 5 Nn gt No 1 Nn gt No RAID
85. ance tasks on your Utilities arrays Hardware Allows you to configure the settings to hard disks Configurations FC ports and COM port settings vent Allows you to configure event mail and event logs Management Gusten Allows you to erase or restore the NVRAM ana ameni configurations set up the mail server update the g firmware and boot code and so on Performance Allows you to check the IO statistics of hard disks Management caches LUNs and FC ports Before configuration read Understanding RAID thoroughly for RAID management operations Usingthe RAIDGUL RAID GUI 2 5 Quick Setup 2 5 1 Performance profile The RAID GUI provides three performance profiles for you to apply the preset settings to the RAID configuration This allows users to achieve the optimal performance for a specified application When using a profile for the RAID configuration any attempt to change the settings is rejected See the following table for the values of each profile Select Off if you want to configure the settings manually Table 2 8 Performance profile values i Maximum IO per Maximum Profile AV streaming second throughput Disk IO Retry Count 9 Disk IO Timeout 3 30 30 second Bad Block Retry Off On On Bad Block Alert On N A N A Disk Cache On On On Write Cache On On On Write Cache Periodic Flush 5 5 5 second Write Cache Flush Ratio sae 13 neag Ha Adaptive Off Adapt
86. ands the CLI Command 4 6 4 Storage ports Command fcpstat Synopsis fcpstat on off reset Description Enable or clear FC port statistics Command fcpliststat Synopsis fcpliststat fcpx Description List FC port IO statistics Command sasstat Synopsis sasstat on off reset Description Enable or clear SAS port statistics Command sasliststat Synopsis sasliststat fcpx Description List SAS port IO statistics 4 32 Using the CLI Commands the CLI Commands 4 7 Event Management 4 7 1 NVRAM event logs Command eventlist Synopsis eventlist f xx n xx s severity Description List records in the event log from older to newer records f xx starting point of event to list Parameters n xx maximum number of records to list s severity severity level of records to list Command eventget Synopsis eventget log txt log csv Description Download all event records to a file log txt or log csv Command eventconfig Synopsis enentconfig s severity Description List or configure the lowest severity level of events to be recorded Parameters s severity severity level of events to record Command eventerase Synopsis eventerase Description Erase all records in the event log Command eventtest Synopsis enenttest severity Description Generate a testing event record with the specified severity level
87. aptive or off Parameters m multiplier set read ahead multiplier read_log set number of read logs Command writecache Synopsis writecache volx dgxldy jbdx all on off s on off ar Enable or disable write cache of a volume a logical Description disk a JBOD disk or all bufiers Parameters s on off enable or disable the write sorting Command cachepflush Synopsis cachepflush periodsec Description Review or set the current cache flush period Parameters periodsec the cache flush period Command cacheunit Synopsis cacheunit 4kb 8kb 16kb 32kb 64kb 128kb Description Review or set the cache unit size Parameters 4kb 8kb 16kb 32kb 64kb 128kb set cache unit size Command cacheflush Synopsis cacheflush volx dgxldy jbdx all w xxmin Flush write buffers in the write cache of a volume a Description logical disk a JBOD disk or all write buffers in the cache Parameters w xxmin number of minutes to wait for flush completion 4 9 Using the CLI Commands the CLI Command Command cachedirtyratio Synopsis cachedirtyratio dirty_ratio Description Review or set the dirty buffer ratio Parameters dirty_ratio dirty buffer ratio Command cachelist Synopsis cachelist volx dgxlidy jbdx all Description List the setting and status of a volume a logical disk a JBOD disk Using the CLI Commands the CLI Commands 4 3 RAID Maintenance Utilities 4 3 1
88. are Global spare allows for the removal and installation of disk drives without interrupting data access while the controller is in use This is usually performed when there is no local spare disk configured The global spare disk serves more than one specified disk group When a member disk of any disk group fails and there is no local spare disk the global spare disk joins that disk group RAID rebuilding will be processed automatically in the background and the progress will be monitored In the example below the global spare disk HDD5 will replace any member disk of a disk group when a disk fails If there are multiple global spare disks the disk with the lowest hard disk ID will be used Global Spare Disk HDD5 Figure 1 3 Global spare e Free chunk A free chunk is a contiguous block of space in a disk group which is not occupied by any logical disks When a disk group is created and there is no logical disk in the disk group all space in the disk group forms a free chunk 1 5 introduction e Volume A volume is composed of LDs over which the data stripes For example RAID 30 50 60 are supported by data striping volumes over logical disks the logical disks in a volume are the member volumes MV of a volume Each volume unit is made up of one member volume or a set of striped member volumes With volume units a volume can be a group of striping member volumes concatenated member volumes or concatenated str
89. arted Note Hard disks with configurations that conflict with controller configurations are not imported and enter conflict state On line Array Roaming Control On Off default On The controller will try to keep the disk in the foreign state if hard disk contains valid meta data However if the disk fails to import successfully it will enter the conflict state Off All on line installed disks are perceived as new disks and enter unused state Meta data on the disk is cleared and reset Write Log Control On default Off The consistency of parity and data might not be retained because of improper shutdown of the controller This option enables or disables write logging for parity consistency recovery Note 1 Enabling write logging will cause slight performance degradation 2 Write logging is only effective to logical disks with parity based RAID levels To guarantee the consistency of data and parity by write logging the on disk cache must be turned off Meta data Update Frequency Low default Medium High This option specifies the frequency to update the progress of background tasks except reconfiguration tasks Task Notify On Off default Select this option to enable or disable the event notification when the background task is completed to a specified percentage The range is from 1 to 99 2 59 Usingthe RAIDGUL the RAID GUI 2 8 Hardware Configurations
90. as initiated by an external entity Advice None C 49 Appendix C 5 Controller hardware C 50 Memory Event ID 0x241e Type CONTROLLER Severity WARNING Parameters Message Memory ECC single bit error Description The controller has detected and corrected single bit error in the memory module Check if the memory module is installed properly and make Advice sure the memory module is in the compatibility list Replace the memory module and if the error continuously happens contact local sales or support office System bus Event ID 0x2420 Type CONTROLLER Severity ERROR Parameters Message System bus parity error Description The controller has detected parity error in the system bus Advice Check if the power supply is stable Contact local sales or sup port office Event ID 0x242c Disk Type CONTROLLER Severity ERROR Parameters oo Code Message Disk channel x PCI Error y Description The controller has detected error in the disk channel Advice Check if the power supply is stable Contact local sales or sup port office Aendiix Event ID 0x242d Host Type CONTROLLER Severity ERROR Parameters eee Code Message Disk channel x PCI Error y Description The controller has detected error in the ho
91. ay sitet as eck Se le R A 7 RAID Sdiskarray orrea aa ae e A EEE A 9 RAID 6 diskarrayo ensei lactam cathe a b hes aN at A 11 RAID 10 disk array terre eseecdesrseet Apvemniueei ee en ae A 12 RAID 30 disk array fis a sctccei ieee ccaaltuatet at ae valiaitienth ne A 14 RAID 50 disk array sein plese tcaeticnteeat pened tated anbe Want ccdanes A 16 RAID GO GISK Ana imni a ieee aise a Socket det A 18 CS Figure A 10 JBOD disk array nn c csctsc ccecteene cecdeestsvesce cts ceeneeadesnnsdedaeeeeneeeds A 19 PIQure el 1 eNRAID riani ia eG aches ayo eset eee eens A 20 xi Chapter 1 Introduction Congratulations on your purchase of our RAID Redundant Array of Independent Inexpensive Disks system This RAID system is a high performance and extremely flexible RAID device The product is a high performance RAID system It features delayed write pre read algorithms for improved host access and is the ultimate flexible RAID solution It provides ten RAID levels RAID 0 1 3 5 6 10 30 50 60 and NRAID and a single disk JBOD configuration RAID 30 50 60 are supported by data striping volumes over logical disks The RAID system offers a wide range of choices and complete security Although several disk drives can be used the system will recognize an array within the system as one logical disk and treat it as any normal system disk The capacity of this drive depends on the number of disks used and the RAID level of the array group All RAID and onl
92. ble on this disk Event ID 0x1406 Type DISK Severity WARNING Parameters Disk ID Message Secondary BBR table on HDDx is corrupt The controller failed to access the secondary BBR table on Description hddx and the table was non trustable However the primary BBR table still works Advice Start to monitor more carefully the status of the primary BBR table on this disk Event ID 0x1407 Type DISK Severity WARNING Parameters Disk ID Message Both BBR tables on HDDx are corrupt The controller failed to access both primary and secondary Description BBR tables on hddx and the tables were non trustable In this case the BBR functions cannot work any more Advice Replace with new disks to prevent from data loss Aendiix C 4 Host ports FC e Hosts Event ID 0x3000 Host WWPN Type HOST Severity INFO Parameters ost Port ID Message Host x detected on host port y The controller detected host x on host port y The host can Description start access the controller over the host port Advice None Event ID 0x3001 Host WWPN Message Host x removed on host port y Description Host x quitted from host port y If host quitted unexpectedly or it happens continuously during Advice host access check the host connectivity or contact local sales or support office e Link Event ID 0x3002 Type HOST Severity INFO Parameters Host Port ID
93. caisicacuutineuelauseinnean emacs Undrerintce 2 17 Method switching message ccceeeeeeeeeeeeeeeeeeeeneeeeeeeeees 2 35 Simple storage cient tesla eee gee anaes 2 35 Symmetric storage trv acteceeeeeteveieles ates pe eonda es 2 37 Selective storage 0 eeeeceeeeeeceeeeeeeeeseeeeeeeeeeenaeeeeeeeeeeeeeneeeeeees 2 39 Specify the percentage for Bad Block Alert ee 2 61 Specify the percentage for Bad Block Clone 00 2 61 Event log download message ccesccceeeeeeeeeeeeeeeeeteees 2 68 Options in the Configurations screen 1 System Management Menu ccceeeeeeeeeeeeeeeeeeeeeeeeee 2 71 Options in the Configurations screen 2 System Management menu ccceeeeeeeeeeeeeeeeeteeeeeeeeees 2 72 Options in the Configurations screen 3 System Management menu cccceeeeeeeeeeeeeeeteeeeeeeeeeees 2 72 Options in the Configurations screen 4 System Management Menu cceeeeeeeeeeeeneeeeeeeeeeeeeee 2 73 Hard Disks screen Performance Management menu 2 79 Cache screen Performance Management menu 2 80 LUN screen Performance Management menu 666 2 81 Storage Port screen Performance Management menu 2 83 LCD manipulation procedure cccceeeeeeeeeeeeeeeeeeeeeeteeeeeeees 3 1 Menu tiee seoda A 3 9 RAID O diSk atray isiin eeina iai a a a a A 4 RAIDT disk array coisinn piinaa nieou tia pE a aaa A 6 BAID 3 disk arr
94. ches between Monitor Mode and Config Switch Mode M996 Logs out the user Logout 2 Opens the Help file Help ba Displays the GUI version firmware version and boot code version About System name controller name firmware version and boot code version information are also displayed at the bottom left of the page 2 7 Usingthe RAIDGUL RAID GUI 2 2 1 HDD state Through the front panel of the RAID console displayed in the GUI you can easily identify the status of each hard disk by its color and status code Click on each hard disk to display detailed information J The status code and color of hard disks are explained in the following Figure 2 5 HDD Tray GUI The HDD state dependson respective RAID system Please refer to Hardware User Manual tables Table 2 2 Hard disk code Code Hard Disk Status U Unused disk J0 J15 JBOD D0 D7 Disk group LO L7 Local spare G Global spare T Clone Table 2 3 Hard disks tray color Color Hard Disk Status Online NF Green Adding flashing green m Red Faulty m Orange Conflict m Biue Foreign gt Silver Permanently removed Gray Removed rs Empty 2 8 Using the RAID GUI the RAID GUI 2 2 2 Information icons When components are working normally their icons are shown in green When components fail to work the icons are shown in red Click on each
95. d Operations to a disk group are applied to hard disks in the disk group Logical disk A logical disk LD is formed by partitioning the space of a disk group Logical disks always use contiguous space and the space of a logical disk is evenly distributed across all member disks of the disk group A logical disk can be exported to hosts as a LUN Logical unit A logical unit LUN is a logical entity within a SCSI target that receives and executes I O commands from SCSI initiators hosts SCSI I O commands are sent to a target device and executed by a LUN within the target Local spare Local spare allows for the automatic replacement of a failed disk without intervention from the administrator When a disk fails the controller will automatically replace the faulty disk with the configured local spare disk When the controller detects a failed disk it is automatically replaced with the local spare The array will be reconfigured and rebuilt in the background while the operating system on the host continues to run normally Introduction In the example to the right HDD4 is the local spare disk dedicated to a disk group DGO Yx When a member disk HDD1 of a disk group foot S002 A S Local Spare Disk S fails the local spare disk joins the disk group and starts to rebuild the data If there are multiple local spare disks the disk with the lowest hard disk ID will be used Figure 1 2 Local spare e Global sp
96. diix A 8 RAID 30 RAID 30 arrays are formed by striping data across RAID 3 sub arrays This offers better performance than RAID 3 alone but does not have the speed of a pure RAID 0 array Storage efficiency and fault tolerance vary depending on the number and size of sub arrays compared to the array as a whole RAID 30 resembles RAID 50 in terms of characteristics but is more suitable for handling large files RAID 30 Byte striping with parity combined with block striping Characteristics e Storage capacity number of disks in each subarray 1 x number of subarrays x capacity of the smallest disk Aminimum of six disks are required e Good fault tolerance in general e Increased capacity and performance compared to RAID 3 Recommended use e Multimedia e File servers e Large databases Appendix Logical Volume Striping Figure A 7 RAID 30 disk array A 14 Aendiix A 9 RAID 50 RAID 50 arrays are formed by striping data across RAID 5 sub arrays Striping helps increase capacity and performance without adding disks to each RAID 5 array which will decrease data availability and affect performance when running in a degraded mode Storage efficiency and fault tolerance vary depending on the number and size of the sub arrays compared to the array as a whole As mentioned above RAID 50 is similar to RAID 30 in terms of characteristics but is more suitable for use with smaller files RAID 5
97. disks in a disk group When a new disk becomes a member of the disk group for example by disk rebuilding and cloning the on disk cache uses the same settings as the disk group LD Initialization The initialization mode defines how logical disks of Mode a disk group are initialized Different disk groups can have different initialization modes Parallel The initialization tasks of logical disks are performed concurrently Sequential Only one initialization task is active at a time 2 25 Usingthe RAIDGUL the RAID GUI LD Rebuild This determines how to rebuild logical disks in a Mode disk group All logical disks can be rebuilt at the same time or one at a time Different disk groups can have different rebuild modes Parallel The rebuilding tasks are started simultaneously for all logical disks in the disk group The progress of each rebuilding task is independent from each other Sequential Rebuilding always starts from the logical disk with the smallest relative LBA on the disk group continues to the logical disk with the second smallest relative LBA and so on Prioritized Similar to sequential rebuild mode this rebuilds one logical disk at a time but the order of logical disks to be rebuilt can determined by users Rebuild Task Low Medium High Priority This option sets the priority of the background task for disk rebuild of disk groups Initialization Low Medium High Task Priority Thi
98. dvice P is very unstable contact local sales or support Event ID 0x280a Type ENCLOSURE Severity WARNING Parameters Voltage Abnormal 3 3V voltage source in backplane z V Message Abnormal 3 3V voltage source in controller z V Description The current voltage of the 3 3V voltage source in backplane or controller was out of normal range right now is zV Advice Check the power supply system or contact local sales or sup port office C 57 Appendix C 58 Event ID 0x280b Type ENCLOSURE Severity WARNING Parameters Voltage Abnormal 5V voltage source in backplane z V Message Abnormal 5V voltage source in controller z V Description The current voltage of the 5V voltage source in backplane or controller was out of normal range right now is zV Advice Check the power supply system or contact local sales or sup port office Event ID 0x280c Type ENCLOSURE Severity WARNING Parameters Voltage Abnormal 12V voltage source in backplane z V Message Abnormal 12V voltage source in controller z V TRNA The current voltage of the 12V voltage source in backplane or Description i controller was out of normal range right now is zV Advice Check the power supply system or contact local sales or sup port office Event ID 0x2821 Voltage Type ENCLOSURE Severity
99. e DISK Severity WARNING Parameters Disk ID Message Read both metadata on HDDx failed The controller failed to access both primary and secondary RAID metadata on hddx and the RAID metadata was non trustable In this case hddx will be set to faulty and disk rebuilding will be started if needed Description Start to monitor more carefully the status of the primary RAID Advice metadata on this disk Event ID 0x0823 Type DISK Severity WARNING Parameters Disk ID Message Primary metadata checksum error on HDDx failed The primary RAID metadata stored on hddx was non trust Description able However the secondary RAID metadata still works Advice None C 37 Appendix C 38 Event ID 0x0824 Type DISK Severity WARNING Parameters Disk ID Message Secondary metadata checksum error on HDDx failed at The secondary RAID metadata stored on hddx was non trust Description able However the primary RAID metadata still works Advice None Event ID 0x1405 Type DISK Severity WARNING Parameters Disk ID Message Primary BBR table on HDDx is corrupt The controller failed to access the primary BBR table on hddx Description and the table was invalid However the secondary BBR table still works Advice Start to monitor the status of the secondary BBR ta
100. e Link Error Status Block for the port Invalid TX Word Count Invalid CRC Count The value of the INVALID TRANSMISSION WORD field of the Link Error Status Block for the port The value of the INVALID CRC COUNT field of the Link Error Status Block for the port 2 83 Usingthe RAIDGUL the RAID GUI Click to see a complete list of storage port information You will see the following details e HTPID TX RX Word e Primitives Sequence Protocol LIP Count Error Count NOS Count e Second since last reset e TX RX Frame Error Frame e Dumped Frame Note The information displayed is dependent on the installed FC chip Some chips do not support the provision of all storage port information 2 84 Chapter 3 Using the LCD Console 3 1 Starting LCD Manipulation The RAID system has a front LCD panel which supports a quick configuration and RAID monitoring You can use the four buttons on the LCD panel to manipulate the LCD configuration utility Each state and display sequence is illustrated as below 1 Boot up info 4 fail system r 4 Status info e events pred ESC ESC password error J Press ESC or Press A 2 Emergent info 5S gt 7 Confirm password Press ENT Minute time out Clear Clear oe passed Press UP DOWN to select items Press ESC ENT to enter exit sub menu Press ENT Press ESC a Figure 3 1 LCD manipulation procedure Once the RAID system is power
101. e and specify the Severity of testing event option to send a test mail A testing event record will be generated according to the selected severity level This helps users to test the event logging and notifications setup Note Before sending out the test mail you need to turn on the event notification and specify the event receivers Refer to 2 9 4 Miscellaneous 2 69 Usingthe RAIDGUL the RAID GUI 2 9 4 Miscellaneous Beeper Control On default Off Mute This option controls the controller s beeper On The beeper sounds during exceptional conditions or when background tasks make progress By default the beeper is on Off The beeper is quiet all the time Mute This temporarily mutes the beeper but it beeps again if exceptional conditions still exist Auto Write Through Cache This option enables or disables the auto write through function for the following four types of events 1 Battery Backup Module Failure 2 Power Supply Unit Failure 3 Fan Failure 4 UPS Failure When events are detected with a specified type both the cache on the controller and disk will be automatically set as write through After the failure or warning condition is removed the cache settings will be restored to your original configuration To make the settings effective click Apply 2 70 Using the RAID GUI the RAID GUI 2 10 System Management 2 10 1 Restoring to factory settings To clear the NVRAM
102. e controller s configurations stored on hard disks Command configtohdd Synopsis configtohdd hddx Description Save NVRAM configurations to a hard disk Command configfromhdd Synopsis configfromhdd hddx Description Restore NVRAM configurations from hard disks Command configget Synopsis configget config bin Description Get main configurations stored on NVRAM and save to a file config bin Command configset Synopsis configset config bin ati Store a file config bin as the controller s main PRACNIPHON configurations on NVRAM Command configtext Synopsis configtext config txt Description Get the main configurations and save to a text file 4 36 Using the CLI Commands the CLI Commands Command configtextmail Synopsis configtextmail account gs Get the main configurations and save to a text file PESCHPHON which is then sent to the specified mail receiver Command confighdd Synopsis confighdd frequency Description Show or update the progress of background tasks except reconfiguration task Parameters frequency high medium or low 4 8 2 Time management Command dateset Synopsis dateset static ntp t YYYY MM DD hh mm n XXX YYYy ZZZ Description Set the current date and time on the controller t YYYY MM DD hh mm date and time This is valid only when static is specified Parameters Set n xxx yyy Zzz
103. e forthe controllerequipped with an expansion port By specifying the polling interval the controller polls the extemal enclosure to acquire its status penodically When disabled the controller cannot obtain the status of the enclosures Enclosure Disk Polling Period second Disabled default 1 2 5 10 30 This option is only available forthe controller equipped with an expansion port By specifying the disk polling interval the controller pollsthe hard disks in the extemal enclosure to acquire its status penodically When disabled the controllercannot obtain the hard disk status of the enclosures GUI Refresh Rate second 5 default By default the GUI refreshes itself every 5 seconds You can specify a new refresh rate The range isfrom 2 to 15 Note Faster GUI refresh rates may degrade the performance of controller To make the settings effective click Apply 2 78 Using the RAID GUI the RAID GUI 2 11 Performance Management 2 11 1 Hard disks poe fg Mase a Hard Disks a P R CA e nat on ves ws syu women 402 oo one bd 4 un u sarit ereterie tteaioseme asa on mar d id bors SoSH Buan os vor i uo i Cua Figure 2 22 Hard Disks screen Performance Management menu This feature allows you to enable disable or reset hard disk IO logging for all hard disks When hard disk IO logging is enabled the following data will be displayed You can press the Reset butt
104. easyRAID Generic Software Manual U320 SCSI 4GFC SAS Host Interface U320 SCSI Channel to Serial ATA II 4G Fibre Channel to Serial ATA II 4G Fibre Channel to Serial Attached SCSI Serial Attached SCSI to Serial Attached SCSI Disk Array System Version 1 2 U320 SCSI Channel to Serial ATAII 4G Fibre Channel to Serial ATAI 4G Fibre Channel to Serial Attached SCSI Serial Attached SCSI to Serial Attached SCSI Disk Array System easyRAID Generic Software Manual Notice Product features and specifications described in this manual are subject to change without notice The manufacturer shall not be liable for any damage or loss of information resulting from the performance or use of the information contained herein This manual has been checked for accuracy but no guarantee is given that the contents are correct Information and specifications can change without notice The manufacturer is not responsible for data loss or other consequences caused by the use of this manual Copyright Copyright 2007 All rights reserved This manual is protected by copyright and is distributed under a license restricting it s use copying and distribution No part of this documentation may be reproduced in any form by any means without prior written authorization and its licensors if any Preface About this manual Congratulations on your purchase of the product This controller allows you to control your RAID system through a u
105. ed hard disk on the system rebuilding will start when the new hard disk is installed The RAID system beeps Faulty logical disks cannot be recovered Faulty volumes cannot be recovered Check the beeper alarm reason Click the Beeper icon from the GUI main page the failure or error condition is marked Make sure that faulty disk groups have been restored Make sure that faulty logical disks have been recovered Disk Self Test DST is paused or has aborted Stop all hard disk access Some pages in the System Management menu are not viewable Make sure that you are logged in with the admin account 5 2 Troubleshooting 5 2 Beeper Alarm When the Beeper Control is set to On See 2 9 4 UPS the system will emit a beeper alarm if one of the following occurs If the user mutes the beeper via CLI LCD or GUI the system temporarily mutes the beeper until a new failure or error occurs e Voltage failure or error e Power supply failure or error e Fan failure or error e Temperature failure or error e BBM failure or error when BBM is connected e Disk SMART warning e Disk BBR error e DG with degraded LD and no rebuild task e DG with faulty LD 5 3 A 1 RAID Overview The controller supports eleven types of RAID RAID 0 1 3 5 6 10 30 50 60 JBOD and NRAID The application s you are using will determine which RAID setup is best for you e RAID Level 0 This
106. ed on the booting information starts to display on the LCD panel If the system is ready status messages are displayed sequentially If not error messages are displayed and the system is halted See the details of status and emergent messages in the following section 3 2 LCD Messages Using the LED Console the LCD Console 3 1 1 Confirm password 3 2 To enter the menu a password may be required depending on your settings The default password is 0000 Use the buttons for password input See the use of buttons as below UP DOWN Select the numbers 0 to 9 characters a to z ENT Enter the selected character or confirm the password if no character is selected ESC Backspace or go back to the status info if password is empty Using the LCD Console 3 2 LCD Messages 3 2 1 LCD layout INFO1 INFO2 DISK Where Heart Plus The heart plus icon flashes when the controller is working normally When not flashing this indicates a controller failure has occurred INFO1 Information including status info emergent info and background task messages display area at line 1 the maximum string length is 15 INFO2 Information display area at line 2 the maximum string length is 16 DISK Disk status display area at line 2 The format is XXX XXXXXXXXXXXXX Each a is the HDD status which are represented as following 1 2 7 Disk group number Unknown error A
107. ee aad aah cele tea tit tials 1 5 Figure 1 4 Striping member volumes ccceeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeees 1 6 Figure 1 5 Concatenating member volumes ccessecereeseereeesseees 1 6 Figure 1 6 Concatenated striping member volumes ccceeeeeeeeees 1 6 Figure 1 7 Disk group expansion by adding new member disks and enlarging the last free chunk cceeeeeeeseeeeeeeeeeseeeeeeeeeeeees 1 8 Figure 1 8 Disk group expansion by adding new member disks and creating a new free chunk cae nee eren omen teen ret ea er a ener nner Serecn cee Merten ot 1 8 Figure 1 9 Disk group expansion to consolidate free chunks 1 9 Figure 1 10 Logical disk capacity expansion by allocating an adjacent free CHUNK eeen aa arama talon wasn E E 1 9 Figure 1 11 Logical disk capacity expansion by moving logical disks to a free GRUNK tiscatatnttin tpg te taapetdweutin Soerand A a 1 10 Figure 1 12 Logical disk capacity expansion by allocating an adjacent free chunk and moving logical disks eeeeeeeeeeeeeeeeeeeeeeeee 1 10 Figure 1 13 Logical disk capacity shrink and expanding an adjacent free STING aes teh hen et at ah ean nen kata Sad Pat en AA erste aoe 1 11 Figure 1 14 Logical disk capacity shrink and creating a new free chunk 1 11 Figure 1 15 Defragment a disk group to expand the last free chunk 1 12 Figure 1 16 Defragment a disk group to consolidate free chunks 1 12 Figure 2 1 GUI
108. eeeeeeeeeeeeeeeneeeees 4 22 4 4 7 Symmetric LUN storage presentation cccceeeeeeeeeeeeeeeetteees 4 23 4 5 Hardware Configurations and Utilities ceeeeeeeeeeeeeeeeeeeeeeees 4 24 4 5 Genere hard disk 12 see es art a arenen hud a EEEa needs ese ic 4 24 4 SA PG PONS ensaian naan nea alienate ieh cane 4 27 4 5 3 Management network interface cccececeeseeeeeeeeeeeeteeeeeeeeteeaaees 4 28 4 5 4 Local terminal ports cccccceeeeeeeeeeeeeeeeeeneeeeeeeseseseneaeeeeeeeeenaaees 4 30 4 5 D ENC OSUIG wisi acne Alea i hE ie CE tates ceed 4 30 4 6 Performance management ccccceeeeeseeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 4 31 40 V Rard diSKS Aa A ae Sik eae ii oh At ihe Ate Ailes oR he Ae a aa ihe i ae 4 31 AG 2 CAC Gt ees cts acaba ts asta at eae tease te sada teed torn 4 31 AG AINA inte soba oa hat er ee ee ne ek ina tere lak be a 4 31 4 6 4 Storage POMS iiss veces Merc eee eisai eteey eee goed 4 32 4 7 Event Management nannake ice cceek cares i aria 4 33 4 7 1 NVRAM event lOGS eccceceeeeeeeeeeeeeeeeeeeeeeaeeeeeeeeseeeeaaaeeeeeeeeeeaaees 4 33 4 7 2 Event notification 5 eacsicxaveseasccinecens vescreseracaxsepteaa cadence eaaseaeenes 4 34 4 7 3 Event handling eemreemereray Coenen ae cee te eon ere tao Pee cere a ee 4 35 4 8 System Management icici ssc snes deessciiesienaneeiwnnsddbeansndiieenccressvindiancstinwaane 4 36 4 8 1 Configurations management cccceeceeeeeeeeeeeeeeeeeeeeeeeee
109. eeeenaaees 4 36 4 8 2 Time management eeeeeeeeeeeeeeeeeeeeceeeeeeeeaeeeeeeeeeseseaaaeeeeeeeeeeanees 4 37 4 8 3 Administration Security control cceeceeeeceeeeeeeeeeeeeeteeeeeeeeeeeees 4 38 4 8 4 System information ccccecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeceeeeeeeeeesnaaees 4 39 4 8 5 Miscellaneous cacy eceactetexaneadvaceusieaaneceseretarens eam tatigenet nanan evene 4 40 4 9 Miscellaneous Utilities ect tiie its ae i Se he ee ete st as 4 41 4 9 1 Look p RAID Syste MIS ici ree an e esnie iraa wie uae ernst 4 41 4 9 2 Turn on off CLI script mode ceecceeeeeeceeeeceeeeteeeeeeaeeeeeeeeeneeees 4 41 4 9 3 Get command list and usage ecceeeeeeeeteeeeeeeeeeeeeeteeeeeeeeeeaees 4 41 4 10 Config ration SHOMCULS annsin a aaa ia 4 42 4 10 1 RAID quick setup u c 3cscccciececesssdgececckeseeteotecnsteneetechedeteenedpenestis 4 42 4 10 2 Performance Protilelsexscesscceccex eceesnedexecexccesiiet eeaeysgerackeekavbegeeees 4 42 vi Conteris Chapter 5 Troubleshooting 5 1 Problems and Solutions sais helices nae eda a 5 1 5 2 Beeper Alarmi iascct a sich nacnteh e ee r e a a 5 3 Appendix A Understanding RAID AA RAID OVeIView sirian a E a ir aa A 1 A2 RAID O eaat aa apse Aa i e A 3 AS RAIDH enoe a e a O E E A 5 AA RAD I a aes tose R eee ae A 7 A SRAID Sioi a E a S E a SE A 8 AC RAID G sce teach E E E E Wore A 10 PT RAD O a a a e a a e a ae E A 12 AS RAID SO a E Maninaee A 13 AO RAID 5O nnda e
110. egraded logical disk REBUILD BANISH UNTRUST BANISH Lost member disk is replaced by a new disk for disk rebuilding FAULTY UNTRUST The logical disk is not recoverable BANISH UNTRUST and later to REBUILD Lost member disk is restored to a disk group by the ARU FAULTY OPTIMAL UNTRUST and later to REBUILD Force to recover a logical disk by the ARU UNTRUST OPTIMAL Force to recover a logical disk by the ARU UNTRUST REBUILD The partition completes data rebuilding REBUILD OPTIMAL BANISH Before logical disk recovery make sure the following e There are enough hard disks in the disk group e No background tasks in progress such as disk rebuilding or RAID reconfiguration e No reconfiguration tasks are performed by the faulty logical disk 2 56 Using the RAID GUI the RAID GUI e Start a recovery When there are any hard disk conflicts there might be faulty disk groups logical disks or volumes on your controller You can perform DG recovery to restore lost member disks to a disk group The faulty logical disks on the disk group are recovered automatically when the disk group is recovered To perform a disk group recovery do the following 1 Select Maintenance Utilities gt Array Recovery from the main menu 2 Select DG from the Recovery Type drop down menu 3 Select a disk group and click Recover 4 The Restore the Array window displays Select the original memb
111. ellicompute Synopsis intelicompute dgxidy all on off Description PADA E data computation for one or Command readmaxtime Synopsis readmaxtime dgxldy all xxmsec Description ee response time for one or all RAID Command checkonread Synopsis checkonread dgxldy all on off Description eee check on read for all RAID 3 5 6 Command writelog Synopsis writelog on off Description Review or set the write logging Parameters on off enable or disable write logging 4 7 Using the CLI Commands the CLI Command 4 2 7 Volumes Command volcreate Synopsis e dgxldy dgildj s stripesize o sector Description Create a volume s stripesize stripe size Parameters o sector alignment offset n name the name of a volume Command voldelete Synopsis voldelete volx f Description Delete a volume Parameters f force to delete LUN mapping Command volname Synopsis volname volx name Description Name a volume Command vollist Synopsis vollist volx all Description List the status of one or all volumes 4 8 Using the CLI Commands the CLI Commands 4 2 8 Cache Command readahead Synopsis readahead volx dgxldy jbdx all policy m multiplier read_log ar Enable or disable read ahead policy of a volume a Description il ical dek a JBOD disk verall vidal disks policy always ad
112. ended to turn this option on for random access This option is available only if the write cache is on Read Ahead Policy Read Ahead Multiplier Always The controller performs pre fetching data for every read command from hosts Adaptive The controller performs pre fetching only for host read commands that are detected as sequential reads The detection is done by read logs Off If there is no sequential read command read ahead will result in overhead and you can disable the read ahead This option specifies the read ahead multiplier for the Always and Adaptive read ahead policies Select how much additional sequential data will be pre fetched The default value is 8 Read Logs This option specifies the number of concurrent sequential read streams for the Adaptive read ahead policy and the range is between 1 and 128 The default value is 32 Using the RAID GUI the RAID GUI LD Read This option is only available for logical disks with Algorithm parity based RAID level i e RAID 3 5 6 None None of the algorithms will be used when accessing data disks Intelligent Data Computation The controller will access logical disks within the shortest response time This greatly enhances read performance Fast Read Response When this option is selected you are prompted to enter the maximum response time for all read requests The allowed range for response time is 100 to 15000 msecs Check on Read This
113. ent error due to a unstable channel Description command time out or unexpected host behaviors The con P troller will drop the command specified by the host and the host will retry the command however this could result in per formance drop of the LUNs exported to the host ports of this If this event occurs often check the host connectivity check Advice LUN s IO statistics to see if the maximum response time is reasonable for the hosts connected or contact local sales or support office C 41 Appendix C 42 Event ID 0x3009 Type HOST Severity WARNING Parameters Chip ID Message Reset host i f chip x The controller resets chip x that failed to execute commands properly This could be to recover from a transient error due to Description unstable channel or heavy traffic The controller will resume P normal operations of the chip after reset however this could result in performance drop of the LUNs exported to the host ports of this chip If this event occurs often check the host connectivity or con Advice tact local sales or support office Event ID 0x300a Type HOST Severity FATAL Parameters Chip ID Message Host i f chip x failed The controller cannot execute commands properly on chip x after all appropriate recovery procedures were conducted Description This could be resulted from unstable power supply
114. er disks to restore Note 1 If a non member disk is selected check the Force to recover disk option and specify the Disk Member Index Make sure the recovery index is correct To reduce the possibility of data loss ensure that the recovery order is correct when the Force to recover disk option is chosen 5 Click Apply and a confirmation prompt displays Click Confirm 6 The disk group recovery starts Rebuilding will also start for degraded logical disks on a disk group If the logical disk is not recovered automatically after disk group recovery perform logical disk recovery After logical disks are restored you can perform the volume recovery to restore the lost member logical disks to a volume 2 57 Usingthe RAIDGUL the RAID GUI 2 7 14 Schedule task The DG reconfiguration LD reconfiguration disk cloning disk scrubbing and DST scheduled tasks are listed in the Schedule Task section When the scheduled date and time is met the controller will start the specified tasks Note The controller will try to launch commands according to the schedule However if the command cannot be executed at that moment the controller will not retry To cancel a scheduled task select it and click Delete A confirmation prompt displays Click Confirm to delete the selected task 2 7 15 Miscellaneous In this section you can configure the following settings to the controller The settings of Cache Unit Size Au
115. er initializes the logical disk by writing zeros to all sectors on all member disks of the logical disk This ensures that all data in the logical disks are scanned and erased Background The controller starts a background task to initialize the logical disk by synchronizing the data stored on the member disks of the logical disk This option is only available for logical disks with parity based and mirroring based RAID levels Alignment Set the alignment offset for the logical disk starting Offset sector sector to enhance the controller s performance For Windows OS it is suggested to set the alignment offset at sector 63 Note Make sure the disk group to be created for a new logical disk is in OPTIMAL or LD_INIT state otherwise the new logical disk will not be created e Delete logical disks Select the logical disk s you want to delete and click Delete To delete all LUNs of dgxldy check the Force to delete LUN mapping s box All access to the logical disk will be stopped 2 29 Usingthe RAIDGUL the RAID GUI Modify logical disks 2 30 To modify a setting select an LD and click Modify Specify the following options for configuration Name Type a name for the DG ID LD ID Write Cache This option enables or disables the write cache of a logical disk Write Sorting This option enables or disables the sorting in the write cache To improve writing performance it is recomm
116. ers b boot up delay access time Command hddverify Synopsis hddverify on off Description Enable or disable the write commands for initialization or rebuilding data on logical disks Command hddfwupdate Synopsis hddfwupdate hddx firmware bin Description Update the firmware of on disk controller for a hard disk with the specified firmware file Command hddlistconf Synopsis hddlistconf Description List the current hardware configurations of all hard disks Using the CLI Commands the CLI Commands 4 5 2 FC ports Command fcpname Synopsis fcpname fcpx name Description Name an FC port Command fcploopid Synopsis fcploopid fcpx id auto Description Set the hard loop ID of an FC port Paramete id hard loop ID auto automatically determined Command fcpconmode Synopsis fcpconmode fcpx all al fabric auto Description Set the connection mode of an FC port or all FC ports Parameters e arbitration loop fabric or automatically Command fcprate Synopsis fcprate fcpx all 1gb 2gb 4gb auto Description Set the prefered data rate of an FC port or all FC ports Command fcplisthost Synopsis fcplisthost fcpx all Description List the detected hosts of an FC port or all FC ports Command fcplistusrconf Synopsis fcplistusrconf fcpx all Description aaa user s configurations of an FC port or all FC Command fcplistcurconf Synopsis fcplistcurconf fcpx all Description a curren
117. es the security of any data transmitted over the Internet SSL uses a program layer located between the Internet s Hypertext Transfer Protocol HTTP and Transport Control Protocol TCP layers URLs that require an SSL connection start with https instead of http e Pre Read Operation The controller reads the data from a logical disk in advance once a sequential read stream is detected e Tagged Queuing Featuring a SCSI tagged queuing mechanism the controller can accept up to 512 commands currently outstanding from the host This improves the overall performance as a result of a pipelining effect e Disk group expansion Disk group expansion can be used to increase space by adding one or more disks to the disk group When the expansion task is complete the new space is created in the end space of the disk group Logical disks can be created in the space set up by the expansion Note The sectors of the new space are not initialized Selecting no initialization when creating logical disks on the new space is not advised 1 7 introduction Disk group expansion to expand the last existing free chunk If the disk group has free chunks in the end space the capacity of the free chunk will be increased after the expansion The capacity of existing logical disks will not be affected Disk group after Disk group before LDO LD 1 LD 2 Free chunk MDO MD1 MD2 MD3 MD4 MDO MD1 M
118. ess the ENT button to enter the number To cancel the selection backspace and return to the previous level if IP is empty press the ESC button Using the LCD Console the LCD Console 3 3 4 Terminal Port Settings To configure the settings of terminal port enter the Terminal Port menu Specify the following items one by one Baud Rate 2400 4800 9600 19200 38400 57600 115200 default Stop Bit 1 default 2 Data Bit 7 8 default Parity NONE default ODD EVEN Flow control OFF default H W Use the UP and DOWN buttons to scroll through the options Press the ENT button to select it To cancel the selection and return to the previous level press the ESC button 3 11 Using the LED Console the LCD Console 3 3 5 System Settings In the System Setup menu users are allowed to change the password settings save or restore the configurations to NVRAM reboot and power off the system See the following table for details of each option Password Passwd ENABLE YES default NO Enable or disable the password check when logging in menu Change Passwd Key in the new password The maximum length of password is eight characters Press and hold the ESC button to backspace continuously and return to the previous level Save Config Save to NVRAM NO default YES Save configurations to NVRAM Restart NO default YES Reboot the system Factory NO default YES Restore t
119. everity WARNING Parameters SURE Message Abnormal temperature of BBM meer The current temperature of BBM was out of normal range Advice Check the system fans and the air conditioning C 61 Appendix C 62 UPS Event ID 0x2817 Type ENCLOSURE Severity INFO Parameters Message UPS connection detected Description UPS detected by the controller Advice None Event ID 0x2818 Type ENCLOSURE Severity WARNING Parameters Message UPS connection loss Description The controller cannot detect UPS Make sure that the proper communication cable is securely Advice connected to the UPS Event ID 0x2819 Type ENCLOSURE Severity WARNING Parameters Message UPS AC power failure Description The AC line voltage has failed Advice Make sure it is not unplugged from its power source if utility power exist Event ID 0x281a Type ENCLOSURE Severity INFO Parameters Message UPS AC power back on line Description The AC line voltage back to normal Advice None Aendiix Event ID 0x281b Type ENCLOSURE Severity WARNING Parameters Message UPS low battery Description UPS battery charge below normal range Advice None Event ID 0x281c Type ENCLOSURE Severity INF
120. failed Description Accusys failed to login to the controller Check if there is any unauthorized trial access to the control Advice ler Aendiix Events Event ID 0x0400 Type SYSTEM Severity FATAL Parameters Message Event test with severity fatal Users have generated a simulated event to test the event han Description dling notification mechanisms The severity level of this event is fatal Advice None Event ID 0x0401 Type SYSTEM Severity ERROR Parameters Message Event test with severity error Users have generated a simulated event to test the event han Description dling notification mechanisms The severity level of this event is error Advice None Event ID 0x0402 Type SYSTEM Severity WARNING Parameters Message Event test with severity warn Users have generated a simulated event to test the event han Description dling notification mechanisms The severity level of this event is warn Advice None Event ID 0x0403 Type SYSTEM Severity NOTICE Parameters Message Event test with severity notice Users have generated a simulated event to test the event han Description dling notification mechanisms The severity level of this event is notice Advice None C 69 Appendix C 70
121. guration JBOD ID Select a JBOD ID from the drop down menu Name Use the system default name as jbdx x is the JBOD identifier OR Uncheck the Use system default name box and enter the name in the Name field The maximum name length is 63 bytes Member Disk Select a corresponding hard disk to be used for JBOD from the drop down menu Delete JBOD disks Select the JBOD disk s you want to delete and click Delete To delete all LUNs of jbdx check the Force to delete LUN mapping s box All access to the JBOD will be stopped Modify JBOD disks To modify a setting select a JBOD and click Modify Specify the following options for configuration Name Write Cache Write Sorting Type a name for the JBOD ID This option enables or disables the write cache of a JBOD disk This option enables or disables the sorting in the write cache To improve writing performance it is recommended to turn this option on for random access This option is available only if the write cache is on 2 22 Using the RAID GUI the RAID GUI Read Ahead Always The controller performs pre fetching data Policy for every read command from hosts Adaptive The controller performs pre fetching only for host read commands that are detected as sequential reads The detection is done by read logs Off If there is no sequential read command read ahead will result in overhead and you can
122. gx Description SOprepeering pariy of ca dek orhe es 4 3 3 Task priority contro Command hddutilpri Synopsis hddutilpri priority Description ied or set the utilities task priority of non DG hard Parameters priority low medium or high Command dgrebpri Synopsis dgrebpri dgx priority Description Set the rebuild task priority of a disk group Parameters priority low medium or high Command dginitpri Synopsis dginitpri dgx priority Description Set the initialization task priority of a disk group Parameters priority low medium or high Command dgutilpri Synopsis dgutilpri dgx priority Description Set the utilities task priority of a disk group Parameters priority low medium or high Using the CLI Commands the CLI Commands 4 3 4 4 3 5 Task schedule management Command schedulecreate Synopsis schedulecreate s YYYY MM DD hh mm m DD hh mm w WD hh mm command Description Create a schedule or a periodic schedule for a CLI command s YYYY MM DD hh mm the target date time m DD hh mm monthly Parameters w WD hh mm weekly command commands allowed to be scheduled include dgexpand dgdefrag Idmigrate Idexpand hddclone diskcrub regparity and hdddst Command scheduledelete Synopsis scheduledelete schedule_id Description Delete a schedule with the schedule ID Command schedulelist Synopsis schedulelis
123. gx all Description List LUN information in one or all host groups 4 23 Using the CLI Commands the CLI Command 4 5 Hardware Configurations and Utilities 4 5 1 Generic hard disk Command hddst Synopsis hdddst short extended all hddx hddy hddz Description Perform short or extended disk self test DST Command hdddststop Synopsis hdddststop all nddx hddy hddz Description Stop DST immediately Command hdddstlist Synopsis hdddstlist all nddx hddy hddz Description List disk self test information and status Command hddsmart h t j a cl lert Synopsis ddsmart on p period a clone alert hddsmart off Description Change the SMART warning settings of all hard disks on off SMART control Parameters p period period of SMART polling a clone alert SMART actions Command hddsmartlist Synopsis hddsmartlist all nddx hddy hddz wae List SMART information and current status of the PeSchipnon specified or all hard disks Command hddsmartread Synopsis hddsmartread hddx Description Display the SMART data of a hard disk Command hddbbralert Synopsis hddbbralert on off p percentage percentage2 percentage3 percentage4 Description Enable or disable event alerts for bad block reallocation Parameters p percentage1 percentage2 percentage3 percentage4 thresholds to alert 4 24 Usi
124. he factory settings to NVRAM Shutdown NO default YES Power off the system Use the UP and DOWN buttons to scroll through the items and options Press the ENT button to select To cancel the selection and return to the previous level press the ESC button 3 12 Using the LCD Console the LCD Console 3 3 6 System Information The System Info menu provides the following information Use the UP and DOWN buttons to scroll through each of them Users are allowed to modify the model name of the system and controller Sys Model Name Display and modify system model name Controller Model Display and modify controller model name Boot Code Display boot code version F W Version Display firmware version RAM Display system memory size BP ID Displays Backplane ID number IP Address Displays controller IP address Chapter 4 Using the CLI Commands 4 1 Overview The Command Line Interface CLI is a set of commands which allows users to configure the RAID system by entering lines of text through the following consoles e Telnet e SSH e RS232 Terminal Log in to the console using admin as the username and 0000 as the password 4 1 1 Conventions Overview Object names Storage objects are named using the following keywords with an identifier x e Hard disk hddx e JBOD disk jbdx e Disk group dgx e Logical disk dgxldy e Volume volx e Host hostx e Storage group sgx e Host group hgx e
125. hen access the Config Mode Figure 2 1 GUI login screen ee CERERA 2 ee je Sl gt EERE RG tO Oe o o Figure 2 1 1 GUI login screen 4U 24Bay Usingthe RAIDGUL the RAID GUI 2 1 1 Browser Language Setting The GUI is currently available in English Traditional Chinese and Simplified Chinese The following example shows how to set up language in Internet Explorer 6 Other browsers support the same functionality Please refer to the instructions included with your browser and configure the language accordingly Open your web browser and follow the steps below to change the GUI language 1 Click Tools gt Internet Options gt Language gt Add 2 In the Add Language window find the language you want to use and click OK 3 In the Language Preference window select the language you want to use and use the Move Up and Move Down buttons to move it up to the top of the list Click OK 4 Click OK again to confirm the settings Note If the GUI does not support the selected language the webpage will still appear in English 2 1 2 Multiple System Viewer The RAID GUI features a side button for a quick on line system view The side button is always on the left side of the screen so that you can click to view all the other on line systems at anytime Move the cursor over the side button and the multiple system viewer appears see Figure 2 3 i m a mm CB
126. ice power supply to disks or replace with a new disk Event ID 0x081d Type DISK Severity FATAL Parameters Chip ID Message Disk i f chip x failed The controller cannot execute commands properly on chip x ae after all appropriate recovery procedures were conducted Description This could be the result of unstable power supply to the sys tem All disks controlled by the chip will fail RAGE Check power supply replace with a new controller or contact local sales or support office Appendix Event ID 0x081f Disk Chan Type DISK Severity ERROR Parameters nel ID Error Code Message Disk channel x PCI Error y Description The controller has detected error in the disk channel Advice Check if the power supply is stable Contact local sales or sup port office SMART disk self tests Event ID 0x0807 Type DISK Severity INFO Parameters Disk ID Message SHT DST on HDDx started Description hddx started SMART short device self test routine Advice None Event ID 0x0806 Type DISK Severity INFO Parameters Disk ID Message EXT DST on HDDx started Description hddx started SMART extended device self test routine Advice None Event ID 0x0808 Type DISK Severity INFO Parameters Disk ID Message DST on HDDx stopped Description DST on hddx was stopped by the controller or from the use
127. icon for detailed information Table 2 4 Information icons Icon Name Detailed Information B Event log view Beeper e Seq No e Severity e Type e Time e Description See 5 2 Beeper Alarm for the possible beeper reasons Temperature e Sensor e Current Non critical e Critical Voltage e Sensor e Current e High Limit Low Limit Ee Fan module This icon will be shown when the fan is installed on the controller BBM This icon will be shown when the BBM control is on Controller Fan e State e Serial Number e Device Chemistry e Remaining Capacity e Remaining Time to Full minute e Voltage V e Current A e Temperature C F e Non critical Temperature C F e Critical Temperature C F 2 9 Usingthe RAIDGUL the RAID GUI Table 2 4 Information icons a UPS This icon will be shown when the UPS controlison UPS Status e State e Load Percentage e Temperature 2C 9F e AC Input Quality High Voltage V Low Voltage V Battery Status e State e Voltage V e Remaining Powerin percentage seconds Using the RAID GUI the RAID GUI 2 2 3 Rear side of the RAID system On the rear side of the RAID system you can see the two fan modules two power supplys two fiber ports and one Ethernet port Click on the components for detailed information
128. idate free chunks All existing free chunks are deleted and a single free chunk at the end of the disk group is created LDO 2 __LDO free chunk 0 LD 1 nn disk group P LD1 defragment LD2 free chunk 1 n LD2 free chunk 0 DG DG Figure 1 16 Defragment a disk group to consolidate free chunks How to Configure Your RAIDSystem There are three ways to configure your RAID system Each of them uses different interface For detailed instructions on each of them see the following chapters Chapter 2 Using the RAID GUI The RAID GUI console uses an Ethernet connection through a LAN port In this console you can scroll through menus and submenus to locate and select the desired configuration option Chapter 3 Using the LCD console The LCD control panel buttons on the RAID system provide an easy way to quickly setup your RAID system Chapter 4 Using the CLI commands The CLI console uses a terminal connection with the controller s serial port In this console you can enter commands for RAID configuration Chapter 2 Using the RAID GUI 2 1 Accessing the RAID GUI 1 Open a browser and enter the IP address in the address field The default IP address is 192 168 0 1 The supported browsers are listed as below e IE 6 x Windows e FireFox 1 x Windows Linux and Mac e Safari 1 x and 2 x Mac 2 The following webpage appears when the connection is made To login enter the username and password see 2 2 4 Login You can t
129. ient error due to Description unstable channel command time out or unexpected host behaviors The controller will drop the command specified by the host and the host will retry the command Advice None Aendiix Event ID 0x3006 Host Port ID Type HOST Severity WARNING Parameters Host WWPN LUN ID Message Task abort on host port x from host y to LUN z The controller received task abort on host port x from host y to LUN z This could be to recover from a transient error due to Description unstable channel command time out or unexpected host P behaviors The controller will drop the command specified by the host and the host will retry the command however this could result in LUN performance drop If this event occurs often check the host connectivity check Advice LUN s IO statistics to see if the maximum response time is reasonable for the hosts connected or contact local sales or support office Port and chip Event ID 0x3007 Type HOST Severity INFO Parameters Host Port ID Message Host port x started Description The controller has started the host port x successfully and link up can be started Advice None Event ID 0x3008 Type HOST Severity WARNING Parameters Host Port ID Message Port reset detected on host port x The controller detected port reset on host port x This could be to recover from transi
130. ient error due to a D ription unstable channel or heavy traffic The controller will resume eacripHe normal operations of the chip after reset however this could result in performance drop of the LUNs exported to the host ports of this chip If this event occurs often check the host connectivity or con Advice tact local sales or support office Aendiix Event ID 0x3012 Host Chan Type HOST Severity ERROR Parameters nel ID Error Code Message Host channel x PCI Error y Description The controller has detected error in the host channel Advice Check if the power supply is stable Contact local sales or support office Event ID 0x3013 Type HOST Severity WARNING Parameters Host Port ID Message IOC Bus Reset on port x Description o reset has occurred on port x that was initiated by the Advice None Event ID 0x3014 Type HOST Severity WARNING Parameters Host Port ID Message Ext Bus Reset on port x Description A bus reset has occurred on port x that was initiated by an external entity Advice None C 45 Appendix SCSI C 46 IO exceptions handling Event ID 0x3015 Host Port ID Type HOST Severity WARNING Parameters Host SCSI ID LUN ID Message Task abort on host port x from host y to LUN z The controller
131. igurations were restored from hddx Advice None C 65 Appendix C 66 Event ID 0x2417 Type SYSTEM Severity INFO Parameters Message NVRAM configurations restored from file Description The configurations were restored from a file uploaded to the controller Advice None Event ID 0x2409 Type SYSTEM Severity FATAL Parameters Message NVRAM configuration checksum error The checksum stored on NVRAM do not match the contents on NVRAM This could happen if the controller was not prop Description erly shutdown Because NVRAM configurations might be cor rupt and cannot be trusted all event logs are automatically erased Restore the configurations from hard disks or by uploading the Advice backed up configuration file If this event happens continu ously contact local sales or support office Event ID 0x2431 Type SYSTEM Severity FATAL Parameters Message NVRAM mapping table checksum error The checksum stored on NVRAM do not match the contents ae on NVRAM This could happen if the controller was not prop Description erly shutdown System will restore the default mapping table automatically Advice Start to monitor more carefully the status of the NVRAM Aendiix e Security control Event ID 0x240d Type SYSTEM Severity INFO Parameters Message Admin login Description Administrator logi
132. ill determine the connection Mode mode automatically Arbitration loop This is a link that connects all the storages with the host which enables data transferring Fabric This is a point to point connection mode without a switch Data Rate Auto 1GB 2GB 4GB Select a preferred data rate for an FC port or all FC ports 3 Check the Apply connection mode and data rate to all FC ports option if necessary 4 Click Apply and the Restart to Apply prompt box appears Click Restart to restart the controller immediately or OK to restart later 5 All settings except FC port name are effective after you reconnect the controller 2 63 Usingthe RAIDGUL the RAID GUI 2 8 3 COM port 2 64 In this section you can configure the terminal settings on the COM port as instructed below Select Terminal and click Modify to open the configurations window Terminal port The terminal port serves as one of the mechanisms to manage the controller on site The configurations for the terminal ports are baud rate stop bit data bit parity check and flow control To change the settings specify the following options Baud Rate 2400 4800 9600 19200 38400 57600 115200 default Stop Bit 1 default 2 Data Bit 7 8 default Parity Check None default Even Odd Flow Control None default HW Using the RAID GUI RAID GUI 2 9 Event Management Event Management enables or di
133. imary RAID metadata Description stored on hddx and the metadata was non trustable How ever the secondary RAID metadata still works Advice Start to monitor more carefully the status of the secondary RAID metadata on this disk Event ID 0x0815 Type DISK Severity WARNING Parameters Disk ID Message Write secondary metadata on HDDx failed The controller failed to access the secondary RAID metadata Description stored on hddx and the metadata was invalid However the primary RAID metadata still works Advice Start to monitor more carefully the status of the primary RAID metadata on this disk Aendiix Event ID 0x08 16 Type DISK Severity WARNING Parameters Disk ID Message Write both metadata on HDDx failed The controller failed to access both primary and secondary RAID metadata on hddx and the RAID metadata was invalid In this case hddx will be set to faulty and disk rebuilding will be started if needed Description Advice None Event ID 0x0821 Type DISK Severity WARNING Parameters Disk ID Message Read primary metadata on HDDx failed The controller failed to access the primary RAID metadata Description stored on hddx and the metadata was non trustable How ever the secondary RAID metadata still works Start to monitor more carefully the status of the secondary Advice RAID metadata on this disk Event ID 0x0822 Typ
134. in storage group Select the LUN s you want to delete and click Remove To remove all LUNs of a virtual disk from all storage groups check the Remove mapping virtual disk from all storage group box Modify LUN storage group Select a LUN storage group you want to change for its mask status access right or storage group name and click Modify to enter the settings screen To configure the same settings to all LUNs in a storage group check the Apply to all LUNs in this storage group box Bind host host group and storage group to host ports Now you can click Bind in the selective storage main screen Select from the HTP ID Host HGID and SG ID drop down menu for binding Unbind hosts host groups and storage groups to host ports Select a binding you want to cancel and click Unbind in the selective storage main screen Click Confirm to cancel the selected binding 2 41 Usingthe RAIDGUL RAID GUI 2 Maintenance Utilities This feature allows you to perform maintenance tasks on your arrays 2 7 1 Expanding disk groups DG Reconfiguration allows expansion on disk groups by adding one or more disks thus increasing the usable capacity of the disk group You can also perform defragmentation during expansion To expand disk groups do the following 1 Select Maintenance Utilities gt DG Reconfiguration from the main menu 2 Click Expand and specify the following options for a DG expansion task
135. ine hot plug hot spare functions are transparent to the operating system Featuring intelligent online recovery the RAID system lets you hot swap a failed drive Data will automatically be rebuilt to a new drive without any system down time If one drive fails data is secured by other drives and an alarm will sound introduction 1 1 Key Features e Supports RAID level 0 1 3 5 6 10 30 50 60 NRAID and JBOD e Supports up to 8 disk groups 32 logical disks per disk group 32 volumes 8 logical disks per volume e Supports three storage provision methods simple symmetric and selective e Supports SAS hard disks for SAS controller solution e Supports SAS expansion enclosures for SAS expansion controller solution e Supports SCSI 3 Persistent Reservations for clustering hosts e Supports Telnet and SSH Secure Shell e Supports SSL HTTPS forced encryption e Supports multiple RAID system viewer on GUI e Variable stripe sizes support 4KB 8KB 16KB 32KB 64KB 128KB 256KB 512KB e Supports independently selectable strip size for each logical disk e Supports independently selectable RAID level for each logical disk e Supports battery backup function optional e Supports cache memory size up to 4GB in DDRII 667 DIMM type with without ECC embedded e Supports I2C interface e Supports global local hot spare disk e Automatic drive failure detection e Automatic drive rebuild e Supports array roaming e S
136. ing 2 49 forgotten password 2 9 free chunk defined 1 5 G global spare defined 1 4 I 1 Imer GUI refresh rate 2 63 H HDD mode defined 2 15 HDD state conflict 5 1 HDD state defined 2 15 HDD state tray color 2 6 HDD state unknown 5 1 HDD cloning 2 38 HDD code 2 6 https 1 6 intelligent data computation 2 23 IO queue NCQ 2 48 J JBOD creating 2 17 deleting 2 17 JBOD defined A 12 spanned disk array without fault tolerance A 12 L language 2 2 LCD console background task messages 3 4 creating a RAID array 3 6 emergent info 3 4 ethernet setting 3 7 hotkeys 3 5 status info 3 3 terminal port setting 3 7 LCD manipulation procedure 3 1 LD read algorithm check on read 2 23 fast read response 2 23 intelligent data computation 2 23 local spare defined 1 4 logical disk creating 2 21 defined 1 3 deleting 2 22 expanding 2 35 2 36 shrinking 2 36 logical disk expansion 1 8 logical disk shrink 1 9 logical unit defined 1 3 login 2 9 LUN mapping 1 6 defined 1 6 maximum IO per second 2 13 maximum throughput 2 13 member disk defined 1 3 meta data update frequency 2 46 migrating 2 34 limitations 2 35 mode config mode 2 12 monitor mode 2 5 switch mode 2 5 multiple system viewer 2 3 N NRAID defined A 13 O on line array roaming control 2 45 P partition state transition 2 43 password settings 3 8 performance profile 2 13 AV streaming 2 13 maximum IO per second 2 13 maxi
137. ining disks This results in data loss but the area on disk is still accessible Advice If the number of BBR table entries being allocated grows exceptionally fast or beyond a reasonable number consider to conduct diagnostics and replace with new disks Amendiix Event ID 0x1409 Threshold Type DISK Severity NOTICE Parameters value Disk ID Message BBR exceeds notice threshold x on HDDy The number of bad block reallocation table entries on hddy er has exceeded the pre defined threshold level The severity of Description this event depends on the threshold being exceed Over threshold 1 2 3 leads to notice events If the number of BBR table entries or spare blocks being real located grows exceptionally fast or beyond a reasonable num Advice p ber consider to conduct diagnostics and replace with new disks Event ID 0x140a Threshold Type DISK Severity WARNING Parameters value Disk ID Message BBR exceeds alert threshold x on HDDy The number of bad block reallocation table entries on hddy er has exceeded the pre defined threshold level The severity of Description this event depends on the threshold being exceed Over threshold 4 leads to warning events If the number of BBR table entries or spare blocks being real f located grows exceptionally fast or beyond a reasonable num Advice f ber consider to conduct diagno
138. ions may not support SNMPv2c Community Name The community name must be the same as that configured on the SNMP application The default SNMP community name on most SNMP applications is public Severity Level Notice default Warning Error Fatal Events with a severity level higher than the specified one will be sent via SNMP traps 2 66 Using the RAID GUl the RAID GUI Remove SNMP Servers Select the SNMP server s you want to delete and click Remove The selected SNMP server s are deleted Modify SNMP Servers Select the SNMP you want to change for the settings and then click Modify to enter the settings screen Send a Test SNMP Trap Select the SNMP server s to which a test SNMP trap will be sent and click SNMP The test SNMP trap will contain message This trap is for testing purpose only 2 67 Usingthe RAIDGUL the RAID GUI 2 9 3 Event logs When the state of a logical or physical component in the controller changes such as failure of hard disks or completion of a background task an event occurs Events are classified into different severity levels You can view the events according to the different categories Specify the severity level at the top of the page Events are listed in the event log from newer to older The events contain the following information 1 Sequence number 2 Severity level of the event 3 Date and time when the event is occurred 4 The
139. iping member volumes The following figures show examples of these three volume constructions Striping A volume formed by single volume unit VU 1 1 JJJ MV2 MV3 MY M2 Mva WWA 4 yon Figure 1 4 Striping member volumes Concatenating A volume formed by multiple volume units VU 2 1 VU 2 2 VU 2 3 VU 2 4 MV 2 1 MV 2 2 My 2 Mee ee ee MV 2 4 VOL 2 concatenating 2 concatenating Figure 1 5 Concatenating member volumes Concatenated striping A volume formed by concatenating set of striping member volumes VU 3 1 striping VU 3 2 striping I MV 3 1 MV 3 2 MV 3 3 MV 3 4 MV 3 5 MV 3 6 MV 3 7 VOL 3 concatenating two sets VU3 1 amp VU 3 2 Figure 1 6 Concatenated striping member volumes 1 6 Introduction e LUN mapping ALUN mapping is a set of mapping relationships between LUNs and virtual disks in the controller Computer systems can access the LUNs presented by the controller after inquiring host ports of the controller e Delayed Write Operation The RAID subsystem of this controller provides a Delayed Write mechanism to manage ongoing write operations from the host The controller returns acknowledgement to the host right after the data comes into the write buffer while the content of the write buffer will be flushed into the disk group sometime later The write performance is enhanced by this mechanism e SSL Secure Sockets Layer SSL is a data transmission protocol that ensur
140. iption Disk group dgx has been recovered Advice None Event ID 0x2053 Type RAID Severity INFO Parameters DG ID LD ID Message DGxLDy is recovered Description Logical disk dgxIdy has been recovered Advice None Event ID 0x2054 Type RAID Severity INFO Parameters VOL ID Message VOLx is recovered Description Volume volx has been recovered Advice None C 9 Appendix C 2 Task e Disk group expansion Event ID 0x2009 Type TASK Severity INFO Parameters DG ID Message Expansion on DGx started Description Disk group expansion on dgx was started manually Advice None Event ID 0x202d Type TASK Severity NOTICE Parameters DG ID Message Expansion on DGx started by schedule Description Scheduled disk group expansion on dgx was started Advice None Event ID 0x2043 Type TASK Severity WARNING Parameters DG ID Message Expansion on DGx failed to start by schedule Description Scheduled disk group expansion on dgx failed to start Advice eae if the disk group is busy or non optimal when starting the Event ID 0x200c Type TASK Severity NOTICE Parameters DG ID Message Expansion on DGx paused Description Disk group expansion on dgx was paused Check if there is failed member disk in the disk group during the Advice task Event ID 0x200d Type TASK Severity NOTICE Parameters DG ID Mes
141. isk group settings are not allowed to change Make sure that no logical disk is initializing The disk group must not be rebuilding Global spare disk cannot be removed The global spare disk must not be rebuilding HDD state shows unknown Probable HDD cannot be recognized by the controller HDD state shows conflict Probable The cache unit size is bigger that stripe size of any logical disks discovered Probable HDD configurations conflict with the configurations in the controller Disk group enters degraded mode Turn off the On line Array Roaming option Then re install all the unknown disks to the system The HDD state will return to Unused state Adjust the cache unit size so as to adopt the logical disks Clear configurations on the conflict HDD See 2 10 1 Restoring to factory settings From the RAID Management gt Hard Disks remove the conflict HDD permanently Then add it to the system Make sure that there are member disks available Use the Array Recovery Utility ARU to restore the disks to the degraded disk group See 2 7 13 Array recovery for detailed information 5 1 Troubleshooting Table 5 1 Troubleshooting Condition Failed hard disk interrupts the reconfiguration tasks Solution Unused hard disks are used for rebuilding When rebuilding is complete the interrupted reconfiguration tasks are resumed If there is no unus
142. ity NOTICE Parameters DG ID Message Scrub on DGx started by schedule Description Scheduled disk scrubbing on dgx was started Advice None Event ID 0x2049 Type TASK WARNING DG ID Message Scrub on DGx failed to start by schedule Description Scheduled disk scrubbing on dgx failed to start Advice Check if the disk group is busy or non optimal Event ID 0x2021 DG ID Type TASK Severity INFO Parameters Sector Num Row Num Row Num Message Scrub on DGw stopped with x bad sectors detected y incon sistent rows found and z rows recovered Disk scrubbing on dgw was stopped manually and there were Description x bad sectors detected y inconsistent rows found and z rows recovered If the number of bad sectors or inconsistent rows grows Advice exceptionally fast or beyond a reasonable number consider to conduct diagnostics and replace with new disks pendix Event ID 0x2023 DG ID Type TASK Severity NOTICE Parameters Sector Num y Row Num Row Num Scrub on DGw aborted with x bad sectors detected y incon Message sistent rows found and z rows recovered D inti Disk scrubbing on dgw was aborted and there were x bad escription Sectors detected y inconsistent rows found and z rows recov Advice Check if the disk group is busy or non optimal Event ID 0x2039 DISK ID T TASK rity NOTICE Param SS jpe Severity arameters poy Num Row Num
143. ive Policy Read Ahead Multiplier 8 i 9 Read Logs 32 32 Using the RAID GUI the RAID GUI 2 5 2 RAID setup To perform quick setup all hard disks must be on line and unused Users can specify the RAID level number of spare disks and initiation method for an easy RAID configuration See the following for details of each option HDD This shows the number and the minimum size of Information hard disks RAID Level RAID 0 RAID 3 RAID 5 RAID 6 RAID 10 RAID 30 RAID 50 RAID 60 Spare Disks Select the required number of global spare disks Initialization Background The controller starts a background Option task to initialize the logical disk by synchronizing the data stored on the member disks of the logical disk This option is only available for logical disks with parity based and mirroring based RAID levels The logical disk can be accessed immediately after it is created Noinit No initialization process and the logical disk can be accessed immediately after it is created There is no fault tolerance capability even for parity based RAID levels Regular The controller initializes the logical disk by writing zeros to all sectors on all member disks of the logical disk This ensures that all data in the logical disks is scanned and erased Usingthe RAIDGUL RAID GUI 2 6 RAID Management 2 6 1 Hard disks This feature allows you to add or remove hard disks and set any o
144. iver identifier server SNMP server address Parameters port SNMP server port number version SNMP protocol version community SNMP community name severity severity level to notify Command snmptest Synopsis snmptest revx Description Send a test SNMP trap to the specified server 4 7 3 Event handling Command autowritethrough Synopsis autowritethrough on off ctl bbm pow fan ups Description Review or set the auto write through function ctl obm pow fan ups controller failure battery backup Parameters module failure power supply unit failure fan failure or UPS failure Command autoshutdown Synopsis autoshutdown on off e upsac fan temp t xxmin Description Review or set the auto shutdown function on off Enable or disable the auto shoutdown function e upsac fan temp event to trigger auto shutdown Parameters UPS AC power loss and then low battery or UPS connection loss all fan failure or over temperature t xxmin shutdown delay time 4 35 Using the CLI Commands the CLI Command 4 8 System Management 4 8 1 Configurations management Command configrestore Synopsis configrestore h Description Erase all configurations on NVRAM or hard disks and restore to factory default h erase configurations on all hard disks instead of Parameters NVRAM Command configerase Synopsis configerase hddx hddy Description Eras
145. ize from the drop down menu as the basic unit of data transfer in a host Number of Cylinder Define a specific cylinder head and sector to Number of Head accommodate different host systems and Number of Sector applications The default is Auto 2 38 Using the RAID GUI the RAID GUI Write Completion Write behind Write commands are reported as completed when host s data is transferred to the write cache Write through Write commands are reported as completed only when host s data has been written to disk Remove LUNs from host Select the LUN s you want to remove and click Remove To remove all LUNs of a virtual disk from one or all hosts check the Remove mapping virtual disk from all host box Selective method Selective storage is used in complicated SAN environments where there are multiple hosts accessing the controller through an FC switch This method provides the most flexibility for you to manage the logical connectivity between host and storage resources exported by the controller As the illustration shows the HG Host Group can be a host or a group of hosts that share the same access control settings in the controller SG represents the LUNs as a storage group Bind the host host group and storage group to the same host port HOSTO Ssecstonnenossnseai y ITNO ONT BODO DG3LD1 RE EE HOST 1 HOST2 FCP1 Port we r
146. k volx Description Shrink the capacity of a volume by removing the concatenating logical disks Using the CLI Commands the CLI Commands 4 3 2 Data integrity maintenance utilities Command Idexpand Synopsis Idexpand dgildx newcapacity i initopt f x y Description Expand the capacity of one or more logical disks in a disk group newcapacity new capacity of a logical disk Parameters i initop initialization method f x y free chunks Command hddclone Synopsis hddclone hddx hddy a Description Perform disk cloning clone from hddx to hddy Parameters a automatic resume Command hddclonestop Synopsis hddclonestop hddx Description Stop disk cloning Command diskscrub Synopsis diskscrub dgx dgxldy hddx c g Description Perform disk scrubbing in a disk group a logical disk or a hard disk c parity check Parameters Pel paniyghoe g regenerate Command diskscrubstop Synopsis diskscrubstop dgx dgxldy hddx Description Stop disk scrubbing in a disk group a logical disk or a hard disk Command regparity Synopsis regparity dgx dgxidy Description Regenerate the parity of a logical disk or the logical disks of disk group with parity based RAID level Using the CLI Commands the CLI Command Command regparitystop Synopsis regparitystop dgxidy d
147. ks Follow the steps below to start a disk self test 1 Select Maintenance Utilities gt Disk Self Test from the main menu 2 Select the hard disks you want to perform the disk self test and click DST Specify the following options Schedule Immediately The task will start immediately Once The task will start on the specified date and time Weekly The task will start on the specified day and time every week Monthly The task will start on the specified date and time every month Perform Check this option to start an extended disk self test extended disk Without this option the hard disks perform short self test disk self test 3 Click Confirm to begin testing To stop the DST of a hard disk select it and click Stop A confirmation prompt displays Click Confirm to end the DST ote Hard disks must support DST Hard disks must not be executing DST For ATA disks the SMART must be turned on For ATA disks if SMART is turned off during DST execution DST will be aborted During DST execution accessing the hard disks may lead to performance degradation For scheduling DST the disk must be either unused a global spare a local spare or a JBOD 2 53 Usingthe RAIDGUL the RAID GUI 2 7 2 54 12 Array roaming Array roaming will be activated when hard disks are moved from one slot to another or from one controller to a new controller This ensures that the new controller can be
148. level offers high transfer rates and is ideal for large blocks of data where speed is of the essence Computer Aided Design graphics scientific computing image and multimedia applications are all good examples If one drive in a RAID 0 array fails the entire data array is lost e RAID Level 1 This level may be an appropriate choice if cost and performance are of significantly less importance than fault tolerance and reliability e RAID Level 3 This level is similar to the more commonly used level 5 Both offer a good level of fault tolerance and overall system reliability at a reasonable cost for redundancy overhead RAID 3 is useful for large file sequential writes such as video applications e RAID Level 5 This level offers high I O transaction rates and is the ideal choice when used with on line transaction processing applications such as those used in banks insurance companies hospitals and all manner of office environments These applications typically perform large numbers of concurrent requests each of which makes a small number of disk accesses If one drive in a RAID level 5 array fails the lost data can be rebuilt from data on the functioning disks e RAID Level 6 This level is similar to level 5 Data is striped across all member disks and parity is striped across all member disks but RAID 6 has two dimensional parities so it can tolerate double disk failure Appendix A 2 JBOD Just a Bunch of Disks
149. message text of the event its associated parameters and event identifier For the complete list of event messages refer to Appendix C Event Log Messages Erase Event Log To clear all the records in the event log click Erase A confirmation prompt displays Click Confirm and all records will be erased Download Event Log To download all the records in the event log click Download Select a file type from the drop down menu and click Apply File Type csv excel readable txt human readable bin for system suppliers Click on the link in the following pop up message and the File Download window displays Select Save and the download task begins If txt is specified as the file type right click the link to save the file Download Event Log Please use the following link to download file Figure 2 17 Event log download message 2 68 Using the RAID GUI the RAID GUI Click Close to close the window Note The event log file stores details of controller activity In the case of malfunction this data can be analysed by the user to determine the cause s Record Event Log Click Configure and specify the Lowest severity of events option for the events you want to record on NVRAM The events with severity levels higher than the specified one will be recorded The default severity level is info which means events of all severity levels will be recorded Send a Test Mail Click Configur
150. mum throughput 2 13 PPP port setting 2 50 pre read 1 6 R RAID 0 defined A 3 striped disk array without fault tolerance A 3 RAID 1 defined A 4 I 2 CU mirroring A 4 RAID 10 defined A 8 high reliability setup combined with high performance A 8 RAID 3 defined A 5 parallel transfer with parity A 5 RAID 30 defined A 9 byte striping with parity combined with block striping A 9 RAID 5 defined A 6 independent data disks with distributed parity blocks A 6 RAID 50 defined A 10 block striping with distributed parity combined with block striping A 10 RAID 6 defined A 7 independent data disks with double parity blocks A 7 RAID 60 defined A 11 striping with dual parity A 11 RAID system beep 5 2 RAID quick setup 2 13 recovery procedures 2 43 regenerating parity 2 40 remove LUNs from host 2 29 remove LUNs in storage group 2 32 restoring to factory settings 2 57 RS232 COM port setting B 1 S SAS enclosure 2 10 scrubbing 2 39 restrictions 2 39 send a test mail 2 54 setting up the network 2 59 DHCP 2 59 static 2 59 setting up the time 2 60 shrinking logical disks 2 36 shrinking volumes 2 37 SMART polling 2 47 SMTP 2 51 setting 2 51 test SMTP server 2 60 SNMP send a test SNMP trap 2 53 setting 2 52 SNMP traps defined 2 52 spare restore 2 45 SSL 1 6 SSL forced setting 2 61 status info 3 3 storage provisioning 2 26 selective storage add hosts 2 30 add LUNs in storage group 2 31 bind host host g
151. n Restart the controller Disable auto shutdown first before starting investigating the causes Event ID 0x2419 Type SYSTEM Severity FATAL Parameters Message NVRAM event log checksum error The checksum stored on NVRAM for event log cannot match the contents on NVRAM This could happen if the controller Description was not properly shutdown Because the event log on NVRAM might be corrupt and cannot be trusted all event logs will be erased automatically Advice If this event continuously happens contact local sales or sup port office C 71 Appendix e Firmware update Event ID 0x2407 Type SYSTEM Severity INFO Parameters Message System firmware updated Description System firmware was updated successfully Advice ok the controller so that the new firmware can be effec Event ID 0x2408 Type SYSTEM Severity INFO Parameters Message Failed to update system firmware Description The controller cannot update the system firmware Check the firmware file is not corrupt and has the correct ver Advice f sion Event ID 0x2429 Type SYSTEM Severity INFO Parameters Message Boot code updated Description Boot code was updated successfully Advice Restart the controller so that the new code can be effective Event ID 0x242a Message Failed to update boot code Description The controller cannot u
152. n off mute Description Review or set the beeper Command fwupdate Synopsis fwupdate image bin b Description E a image or update the boot code with Parameters b update boot code Command fwupdateprog Synopsis fwupdateprog Description List the current firmware update progress Command battery list Synopsis battery list ctlx Description List the status of the battery installed in a controller Command ctldst Synopsis ctldst on off Description ee the detailed self test of controller Command diagdump Synopsis diagdump diag bin Description Export extensive diagnostics information from the controller to a file 4 40 Using the CLI Commands the CLI Commands Command nandflash Synopsis nandflash primary secondary Description a status of the on board NAND Command bbmcontrol Synopsis bbmcontrol on off Description Enable or disable battery backup support 4 9 Miscellaneous Utilities 4 9 1 Lookup RAID systems Command raidlookup Synopsis raidlookup Search all RAID systems on the local network and list the following information of each RAID system controller IP address system model name system name firmware version and beeper alarm status 4 9 2 Turn on off CLI script mode Command scriptmode Description Synopsis scriptmode on off Description Turn on of off the CLI script mode 4 9 3 Get command list and usage
153. n to the controller Advice None Event ID 0x2410 Type SYSTEM Severity INFO Parameters Message Admin login failed Description Administrator failed to login to the controller Check if there is any unauthorized trial access to the controller Advice ae or there are multiple administrator logins Event ID 0x2427 Type SYSTEM Severity INFO Parameters Message User login Description User login to the controller Advice None Event ID 0x2428 Type SYSTEM Severity INFO Parameters Message User login failed Description User failed to login to the controller Advice ra if there is any unauthorized trial access to the control Event ID 0x240e Type SYSTEM Severity INFO Parameters Message Service login Description Service login to the controller Advice None C 67 Appendix C 68 Event ID 0x2411 Type SYSTEM Severity INFO Parameters Message Service login failed Description Service failed to login to the controller i Check if there is any unauthorized trial access to the control Advice lef Event ID 0x240f Type SYSTEM Severity INFO Parameters Message Accusys login Description Accusys login to the controller Advice None Event ID 0x2412 Type SYSTEM Severity INFO Parameters Message Accusys login
154. nd volimportlist Synopsis volimportlist all dgx dgy Description List volume configurations on all or specified logical disks Using the CLI Commands the CLI Commands 4 3 7 Array recovery utilities Command dgrecover Synopsis dgrecover dgx hddx hddy f member_id Description Recover a faulty disk group Parameters f member_id force to recover disk Command Idrecover Synopsis Idrecover dgxldy partition_id Description Recover a faulty logical disk Command volrecover Synopsis volrecover volx dgildj dgxldy Description Recover a faulty volume Using the CLI Commands the CLI Command 4 4 Storage Presentation 4 4 1 Hosts Command hostcreate Synopsis hostcreate hostx WWN n name Description Create a host with WWN Parameters n name host name Command hostdelete Synopsis hostdelete hostx hosty Description Delete hosts Command hostname Synopsis hostname hostx name Description Name a host Command hostlist Synopsis hostlist all nostx Description List all hosts or one host Using the CLI Commands the CLI Commands 4 4 2 Host groups Command hgaddhost Synopsis hgaddhost hgx hostx hosty Description Add hosts to a host group Command hgremovehost Synopsis hgremovehost hgx hostx hosty Description Remove hosts from a host group Command hgname Syn
155. ng from hddx to hddy was auto resumed Advice None Appendix Event ID 0x206f Clone progress Type TASK Severity NOTICE Parameters P SK ID DISK ID Notify thresh old O Message Clone piogress w from HDDx to HDDy reach to the notify percent z Description The progress of disk cloning has reached the pre define threshold Advice None e Disk scrubbing of hard disks Event ID Ox201c Type TASK Severity INFO Parameters DISK ID Message Scrub on HDDx started Description Disk scrubbing on hddx was started manually Advice None Event ID 0x2035 Type TASK Severity NOTICE Parameters DISK ID Message Scrub on HDDx started by schedule Description Scheduled disk scrubbing on hddx was started Advice None Event ID 0x204a Type TASK Severity WARNING Parameters DISK ID Message Scrub on HDDx failed to start by schedule Description Scheduled disk scrubbing on hddx failed to start Advice Check if the disk is off line or busy C 20 Aendiix Event ID 0x2020 DISK ID Type TASK Severity INFO Parameters Sector Num Message Scrub on HDDx stopped with y bad sectors detected Disk scrubbing on hddx was stopped manually and y bad Description sectors were detected If the number of bad sectors grows exceptionally fast o
156. ng the CLI Commands the CLI Commands Command hddbbrclone Synopsis hddbbrclone on off p percentage Description Sierra disk cloning for bad block Parameters p percentage thresholds to start cloning Command hddbbrretry Synopsis hddbbrretry on off Description Enable or disable retrying IO in bad block reallocation Command hddcache Synopsis hddcache on off all dgx hddx Descricaons oer a snecie Command hddstandby Synopsis hddstandby on off Description Enable or disable the hard disk standby state Command hddidentify Synopsis hddidentify on off hddx dgx Description ae visual identification of a hard disk or Command hddtimeout Synopsis hddtimeout xxsec Description Specify the timeout value of a IO command sent to hard disks 4 25 Using the CLI Commands the CLI Command 4 26 Command hddretry Synopsis hddretry xx Description sa the number of retries when a disk IO command Command hddxfermode Synopsis hddxfermode mode Description Specify the transfer mode of hard disks in the enclosure Command hddqueue Synopsis hddqueue on off Description Enable or disable the IO queuing of hard disks Command hdddelayaccess Synopsis hdddelayaccess b xxsec Description Specify the delay time before the controller tries to access the hard disks after power on Paramet
157. nline disk as global spare drive The hard disk information included is listed as follows Table 2 9 Hard disk information Category Display HDD ID Hard disk identifier Model Hard disk model name Capacity GB Hard disk capacity On line Foreign Conflict Removed PRemoved Faulty Initializing Unknown Unused JBOD disk DG data disk Local spare Global spare or Clone target SMART Status Healthy Alert or Not supported Mode Ready Standby or Unknown State Type State definition On line The hard disk remains online when it is working properly Foreign The hard disk is moved from another controller Conflict The hard disk may have configurations that conflict with controller configurations Removed The hard disk is removed PRemoved The hard disk is permanently removed Faulty The hard disk becomes faulty when a failure occurs Initializing The hard disk starts the initialization Unknown The hard disk is not recognized by the controller Mode definition Ready The hard disk is in use or ready for use Standby The hard disk is in standby mode Unknown The hard disk is not recognized by the controller 2 20 Using the RAID GUI the RAID GUI Buttons Add To add hard disks select a hard disk and click this button Remove To remove hard disks select a hard disk and click this button To remove hard disks permanently check the Permanent remove box
158. nt rows found and z rows recovered Disk scrubbing on dgvidw was completed and there were x Description bad sectors detected y inconsistent rows found and z rows recovered If the number of bad sectors grows exceptionally fast or Advice beyond a reasonable number consider to conduct diagnos tics and replace with new disks Event ID 0x206d Scrub Progress Type TASK Severity NOTICE Parameters DG ID LD_ID Notify threshold o j Message Son Plogressiw on DGxLDy reach to the notify per cent z ae The progress of scrubbing on dgxldy has reached the pre Description define threshold Advice None C 25 Appendix e Disk group parity regeneration Event ID 0x2024 Type TASK Severity INFO Parameters DG ID Message Reg parity on DGx started Description Reg parity on dgx was started manually Advice None Event ID 0x2026 Type TASK _ Severity WARNING Parameters DG ID Message Reg parity on DGx aborted Description Reg parity on dgx was aborted Advice Check if the disk group is busy or non optimal Event ID 0x2027 Type TASK Severity INFO Parameters DG ID Message Reg parity on DGx stopped Description Reg parity on dgx was stopped manually Advice None Event ID 0x2025 Type TASK Severity NOTICE Parameters DG ID Message Reg parity on DGx completed Description Reg parit
159. nt settings 4 Click Confirm The task starts 2 47 Usingthe RAIDGUL the RAID GUI 2 7 6 Expanding volumes To expand the capacity of a volume do the following 1 Select Maintenance Utilities gt VOL Reconfiguration from the main menu 2 Select Expand and specify the following options for a VOL expansion task The expansion volume is formed by concatenating new logical disks VOL ID Select a VOL ID from the drop down menu for expansion LD Level Select a RAID level to filter a list of expanding LDs Expanding LDs Select and use the arrow buttons to move one or more LDs from the Available LDs list to the Expanding LDs list Note 1 The volume must be in optimal state 2 The maximum number of member logical disks for each volume is eight No two logical disks can be in the same disk group None of the logical disks can be used by other volumes None of the logical disks can be bound to any LUNs All logical disks must be in the optimal state All disk groups of the logical disks must belong to the same owner controller NO of OO 3 Click Apply to view the current settings 4 Click Confirm to continue the expansion 2 48 Using the RAID GUI the RAID GUI 2 7 7 Shrinking volumes The shrink operation conducts without background task it simply reduces the capacity of the volume by removing the concatenating volume units To release free space of a volume do the following 1
160. nz s 512b 1kb 2kb 4kb g cylinder head sector w wt wb Synopsis htpaddlun scpx jbdy dgyldz voly vvoly i scsi_id lunz s 512b 1kb 2kb 4kb g cylinder head sector w wt wb Description Add a LUN in a FC port with a virtual disk i iid ID Parameters Disesiidi S09 Refer to sgaddlun for other parameters Command htpremovelun Synopsis htpremovelun ICPSR luny all htpremovelun scpx idx idxluny all Description Remove one or all LUNs in a host port Command htpremovedisk Synopsis htpremovedisk fcpx sasx scpx all jbdy dgyldz voly vvoly Description Remove all LUNs of a virtual disk from one or all host ports Command htplistlun Synopsis htplistlun fcpx sasx scpx all Description List LUN information in one or all host ports 4 22 Using the CLI Commands the CLI Commands 4 4 7 Symmetric LUN storage presentation Command hgaddlun Synopsis hgaddlun hgx jbdy dgyldz voly vvoly I lunz s 512b 1kb 2kb 4kb g cylinder head sector w wt wb Description Add a LUN in a host group with a virtual disk Parameters Refer to sgaddlun for all parameters Command hgremovelun Synopsis hgremovelun hgx luny all Description Remove one or all LUNs from a host group Command hgremovedisk Synopsis hgremovedisk hgx all jody dgyldz voly vvoly Description Remove all LUNs of a virtual disk from one or all host groups Command hglistlun Synopsis hglistlun h
161. o configure the network adaptor with different an IP address C 75 S inex Index A accessing the RAID GUI 2 2 add LUNs in host 2 29 add LUNs in storage group 2 31 array recovery 2 42 faulty 2 42 optimal 2 42 partition state transition 2 43 array roaming 2 41 auto logout setting 2 61 auto spare 2 44 auto write through cache 2 56 automatic resume 2 38 AV streaming 2 13 B background task messages 3 4 bad block alert setting 2 47 bad block clone setting 2 48 beeper alarm 5 2 beeper control 2 55 bind host host group and storage group 2 32 boot utility B 1 set IP address B 2 set password B 4 update boot ROM B 3 update system ROM B 4 C change password 2 60 check on read 2 23 cloning 2 38 automatic resume 2 38 COM port setting 2 50 concatenating striping member volumes 1 5 concatenating volume units 1 5 2 37 controller factory setting 2 57 D defragmentation defined 1 9 delayed write 1 6 disk group creating 2 18 defined 1 3 defragmenting 2 34 deleting 2 19 expanding 2 33 disk group expansion 1 6 disk group degraded mode 5 1 disk self test DST 2 40 restrictions 2 40 E emergent info 3 4 enclosure polling interval 2 63 erase HDD configurations 2 57 erase NVRAM configurations 2 57 expanding logical disks 2 35 2 36 expanding volumes 2 36 F fast read response 2 23 faulty logical disk 5 2 faulty volume 5 2 FC port connection mode auto arbitration loop fabric 2 49 sett
162. o the best transfer mode supported by the installed hard disks Bad Block Alert On Off default 2 60 Using the RAID GUI the RAID GUI This option enables or disables event alerts for bad block reallocation After selecting On four blank fields are displayed for you to specify the percentages of reserved bad block reallocation space The default values are 20 40 60 and 80 Bad Block Alet On in 20 40 60 80 Bad Block Clone On in 50 Figure 2 15 Specify the percentage for Bad Block Alert Note 1 Latter percentages must be larger than the former percentages 2 Percentages must be integers between 1 and 100 Bad Block Clone On Off default This option enables or disables disk cloning for bad block reallocation After selecting On a blank field is displayed for you to specify the percentage of reserved bad block reallocation space When the specified space is reached disk cloning will be started The default value is 50 Bad BlockAlert On in 20 40 s0 80 Bad Block Clone On in j5g Figure 2 16 Specify the percentage for Bad Block Clone Note 1 Percentages must be integers between 1 and 100 2 Cloning can only be started when there are local or global spare disks Bad Block Retry On default Off Select this option to enable or disable retrying when bad block reallocation fails IO Queue On default Off
163. on to clear all statistics except outstanding IO and disk utilization to zero Category Display HDD ID Hard disk identifier Read Command sector Write Command sector The number of read commands executed since the disk was powered on The accumulated transfer size of read commands since the disk was powered on The number of write commands executed since the disk was powered on The accumulated transfer size of write commands since the disk was powered on Response Time ms The average command response time since the disk was powered on The maximum command response time since the disk was powered on 2 79 Usingthe RAIDGUL the RAID GUI Outstanding IO The number of current outstanding IO in the disk The number of current outstanding IO in the controller s IO scheduler queue Disk Utilization The disk utilization in the last second The disk utilization in the last five seconds 2 11 2 Cache Cache Figure 2 23 Cache screen Performance Management menu This feature allows you to enable disable or reset buffer cache IO logging When cache IO logging is enabled select the cache type volume logical disk or JBOD disk to be displayed from the drop down menu The following IO statistics will be displayed You can press the Reset button to clear all statistics except dirty buffer and clean buffer to zero Category Display ID
164. opsis hgname hgx name Description Name a host group Command hglist Synopsis hglist hgx all Description List one or all host groups Using the CLI Commands the CLI Command 4 4 3 Storage groups 4 20 Command sgaddlun sgaddlun sgx fcpx sasx scpx jbdy dgyldz voly vvoly Synopsis I lunz s 512b 1kb 2kb 4kb g cylinder head sector w wt wb Description Add a LUN in a storage group or a default storage group lunz LUN to be used by the virtual disk s 512b 1kb 2kb 4kb set sector size Parameters g cylinder head sector set the cylinder nead sector mapping of the LUN w wt wb write completion write through or write behind Command sgremovelun Synopsis sgremovelun sgx fcpx sasx scpx luny all Description Remove one or all LUNs in a storage group or a default storage group Command sgremovedisk Synopsis sgremovedisk sgx fcpx sasx scpx all jbdy dgyldz voly vvoly Description Remove LUNs of a virtual disk from one storage groups a default storage group or all storage groups Command sgmasklun Synopsis sgmasklun sgx fcpx sasx luny all Description Mask one or all LUNs in a storage group or a default storage group Command sgunmasklun Synopsis sgunmasklun sgx fcpx sasx luny all Description Unmask one or all LUNs in a storage group or a default storage group Using the CLI Commands the CLI
165. option is similar to the Fast Read Response In addition to reading the requested data from disks the controller will also perform parity check across corresponding strips on each data disk To clear write buffers in the write cache of a logical disk select a logical disk and click the Flush button e Detailed logical disk information Click to display a complete list of logical disk information You will see the following details e DGID e Write Cache Setting e LDID e Write Sorting e UUID e Read Ahead Policy e Created Time and Date e Read Ahead Multiplier e LD Read Algorithm e Read Logs e Alignment Offset sector e Member State e Write Cache Status 2 31 Usingthe RAIDGUL RAID GUI 2 6 5 Volumes This feature allows you to create delete and modify your volume settings RAID 30 50 60 are supported by creating striping volumes over RAID 3 5 6 2 32 logical disks Create volumes Click Create to add a new volume where up to a maximum of 32 volumes can be created Specify the following options for the configuration VOL ID Select a VOL ID from the drop down menu Name Use the system default name as volx x is the VOL identifier OR Uncheck the Use system default name box and enter the name in the Name field The maximum name length is 63 bytes LD Level Select a RAID level to filter a list of member LDs Member LDs Select the LDs to be grouped Stripe Size KB 4 8 16 32 64 12
166. p is non optimal when starting the task Event ID 0x2018 DISK ID Type TASK Severity NOTICE Parameters DISK ID Message Clone from HDDx to HDDy paused Description Disk cloning from hddx to hddy was paused Advice Check if the source disk group is busy or non optimal during the task Aendiix Event ID 0x2019 DISK ID Type TASK Severity NOTICE Parameters DISK ID Message Clone from HDDx to HDDy resumed Description Disk cloning from hddx to hddy was resumed Advice None Event ID 0x2017 DISK ID Type TASK Severity INFO Parameters DISK ID Message Clone from HDDx to HDDy stopped Description Disk cloning from hddx to hddy was stopped manually Advice None Event ID 0x201a DISK ID Type TASK Severity WARNING Parameters DISK ID Message Clone from HDDx to HDDy aborted Description Clone from hddx to hddy was aborted Check if the disk failed or the target disk was rebuilding when Advice the source disk failed Event ID 0x2016 DISK ID Type TASK Severity NOTICE Parameters DISK ID Message Clone from HDDx to HDDy completed Descriptio Disk cloning from hddx to hddy is complete Advice None Event ID 0x2056 DISK ID Type TASK Severity NOTICE Parameters DISK ID Message Clone from HDDx to HDDy auto resumed Descriptio Disk cloni
167. p only Modify hosts host groups Select a host you want to change for its host name host group ID or host group name and click Modify to enter the settings screen Add LUNs in storage group In the selective storage main screen click SG gt Add SG ID Select a SG ID from the drop down menu A maximum of 34 storage groups can be created in the controller LUN ID Select a LUN ID from the drop down menu where up to 128 IDs are available for the selection A total of 1024 LUNs can be created in the controller 2 40 Using the RAID GUI the RAID GUI Mapping Virtual Select a virtual disk from the drop down menu Disk for LUN mapping Mask Status Unmask Mask This option makes a LUN available to some hosts and unavailable to other hosts Access Right Read only Read writable The access right is applied to individual LUNs in a storage group Sector Size 512Byte 1KB 2KB 4KB Select a sector size from the drop down menu as the basic unit of data transfer in a host Number of Cylinder Define a specific cylinder head and sector to Number of Head accommodate different host systems and Number of Sector applications The default is Auto Write Completion Write behind Write commands are reported as completed when a host s data is transferred to the write cache Write through Write commands are reported as completed only when a host s data has been written to disk Remove LUNs
168. pdate the boot code Check the firmware file is not corrupt and has the correct ver Advice f sion C 72 Aendiix Email SMTP server status Event ID 0x240b Type SYSTEM Severity WARNING Parameters Message Failed to send mail Description The controller failed to send mail Both primary and secondary mail servers cannot be reached by the controller Advice Check if the network connection is up and check if the net work and SMTP settings are correct Event ID 0x240a Type SYSTEM Severity NOTICE Parameters Message Email server back to normal Description a controller can reach the mail server and start to send Advice None System start up and shutdown Event ID 0x2402 Type SYSTEM Severity INFO Parameters Message System to be restarted or halted Description The RAID system is going to get restarted or halted Advice None Event ID 0x2403 Type SYSTEM Severity INFO Parameters Message RAID system started Description The RAID system was started Advice None C 73 Appendix e Miscellaneous Event ID 0x240c Type SYSTEM Severity ERROR Parameters Debug Code Message System error x Description Unknown system error and its event ID is x Advice Contact local sales or support office Event ID 0x2
169. r Advice beyond a reasonable number consider to conduct diagnostics and replace with new disks Event ID 0x2055 DISK ID Type TASK Severity WARNING Parameters Sector Num Message Scrub on HDDx aborted with y bad sectors detected Description Disk scrubbing on hddx was aborted and y bad sectors were Advice Check if the disk is off line or busy Event ID 0x2038 DISK ID Type TASK Severity NOTICE Parameters Sector Numi Message Scrub on HDDx completed with y bad sectors detected Description Disk scrubbing on hddx was completed and y bad sectors If the number of bad sectors grows exceptionally fast or Advice beyond a reasonable number consider conducting diagnos tics and replace with new disks Event ID 0x2065 Scrub Progress Type TASK Severity NOTICE Parameters DISK ID Notify thresh old Message Scrub progress y on HDDx reach to the notify percent z The progress of scrubbing disk has reached the pre define Description threshold Advice None C 21 Appendix C 22 Disk scrubbing of disk groups Event ID 0x201d Type TASK Severity INFO Parameters DG ID Message Scrub on DGx started Description Disk scrubbing on dgx was started manually Advice None Event ID 0x2036 Type TASK Sever
170. r cent z Description The progress of Reg parity on dgxldy has reached the pre define threshold Advice None C 27 Appendix C 3 Disk C 28 Disk status Event ID 0x08 11 Type DISK Severity INFO Parameters Disk ID Message HDDx powered on off Description hddx was powered on or off Advice None Event ID 0x0817 Type DISK Severity ERROR Parameters Disk ID Message HDDx failed Description hddx failed to respond to the controller Advice Check if the disk is corrupt or the disk interface connection is unstable Event ID 0x08 10 Type DISK Severity WARNING Parameters Disk ID Message HDDx issued SMART warning Description Controller detects that hddx is signaling SMART warning Advice The disk is failing or will fail in the near term replace the hard Disk IO exception handling Event ID 0x0818 Type DISK Severity NOTICE Parameters Disk ID Message CRC error on HDDx The controller detected a CRC error when transferring data with hddx This could be a transient error due to unstable Description channel electronic interference heavy traffic or malfunction ing hard disks The controller will invalidate the data and retry the command Advice If this event occurs often check the disk connectivity check power supply to disks or replace with a new disk
171. r interface Advice None Event ID 0x0809 Type DISK Severity NOTICE Parameters Disk ID Message DST on HDDx completed without error Description DST on hddx completed without error Advice None C 31 Appendix C 32 Event ID 0x080a Type DISK Severity WARNING Parameters Disk ID Message DST on HDDx unable to complete due to fatal error Description DST on hddx unable to complete due to fatal error Advice The disk failed or will fail soon replace the hard disk Event ID 0x080b Type DISK Severity WARNING Parameters Disk ID Message DST on HDDx completed with read error Description DST on hddx completed with read error Advice The disk failed or will fail soon replace the hard disk Event ID 0x080c Type DISK WARNING Disk ID Message DST on HDDx completed with servo error Description DST on hddx completed with servo error Advice The disk failed or will fail soon replace the hard disk Event ID 0x080d Type DISK Severity WARNING Parameters Disk ID Message DST on HDDx completed with electrical error Description DST on hddx completed with electrical error Advice The disk failed or will fail soon replace the hard disk Event ID 0x080e Type DISK Severity WARNING Parameters Disk ID Message DST on HDDx completed with unknown test element error Description DST on
172. r should be sent to is displayed Description I wherdisablad eft is displayed Only one of te three options can be specified at a time s account enable and set the mail account Parameters send send the mail off disable the function Command logout Synopsis logout quit bye exit Description Log out the current user and return to the user name prompt 4 38 Using the CLI Commands the CLI Commands Command autologout Synopsis autologout xmin off Description Review or set the logout timer Parameters xmin time out value off turn off the auto logout function Command forward Synopsis forward on off Description Show or change the setting of forwarding control Parameters on off enable or disable the forwarding 4 8 4 System information Command ctIlhame Synopsis ctIname ctlx controller_name Description Set the controller name Command sysname Synopsis sysname system_name Description Set the system name Command ctllist Synopsis ctllist ctlx Description List the controller related information 4 39 Using the CLI Commands the CLI Command 4 8 5 Miscellaneous Command restart Synopsis restart h b Description Restart or halt the controller Parameters h halt without restart b effective for both controllers Command beeper Synopsis beeper o
173. re Temperature warning is not included BBM failure BBM Failure Only when BBM is present Disk SMART warning SMART Warning Disk BBR error Disk BBR Error DG with degraded LD and no rebuild task DG Degraded LD DG with faulty LD DG Faulty LD UPS On Batt UPS connection is lost UPS On Batt UPS Con Lost Only when upsconfig is on Only when upsconfig is on UPS should be UPS RB Only when upsconfig is on replaced UPS is overload UPS Overload Only when upsconfig is on UPS is off UPS Off Only when upsconfig is on Using the LCD Console the LCD Console 3 2 4 Background task messages Background tasks and their process percentages are displayed in Line 1 Line 2 shows the disk status Message formats are listed in the following Variables xx yy xx is the DG identifier yy is the LD identifier dgx DG identifier zz HDD z HDD identifier xx x The progress of task with percentage estimate Table 3 3 List of background task messages Background Task Message Format LD Expand xx yy Exp xx x LD Migrate xx yy Mig xx x DG Defragment dgx Defrg xx x DG Expanding dgx Exp xx x Disk Cloning Clone zz xx x Disk Initializing xx yy Ini xx x Disk Rebuilding Reb xx xx x Disk HDD Scrubbing Scrub zz xx x LD Scrubbing xx yy Scr xx x DG Scrubbing dgx Scr xx x Regenerate LD Parity xx yy Par xx x Regenerate DG Pari
174. received task abort on host port x from host y to LUN z This could be to recover from a transient error due to D ription unstable channel command time out or unexpected host PSCUpHO behaviors The controller will drop the command specified by the host and the host will retry the command however this could result in LUN performance drop If this event occurs often check the host connectivity check Advice LUN s IO statistics to see if the maximum response time is reasonable for the hosts connected or contact local sales or support office Event ID 0x3016 Type HOST Severity WARNING Parameters Host Port ID Message Host port x detected parity error during Command phase Description Parity error was detected during command phase Advice None Event ID 0x3017 Type HOST Severity WARNING Parameters Host Port ID Message Host port x detected parity error during Message Out phase Description Parity error was detected during message out phase Advice None Aendiix Event ID 0x3018 Type HOST Severity WARNING Parameters Host Port ID Message Host port x detected CRC error while receiving CMD_IU Description CRC error was detected while receiving CMD_IU Advice None Event ID 0x3019 Type HOST Severity WARNING Parameters Host Port ID Message Host port x detected parity error d
175. roup and storage group 2 32 remove hosts 2 31 remove LUNs in storage group 2 32 unbind hosts host groups and storage groups 2 32 simple storage add LUNs in a storage port 2 26 remove LUNs in storage port 2 27 symmetric storage add hosts 2 28 add LUNs in host 2 29 remove hosts 2 28 remove LUNs from host 2 29 T tagged queuing 1 6 test SMTP server 2 60 U unbind hosts host groups and storage groups 2 32 update boot code 2 62 update firmware 2 62 UPS setting 2 54 V volume concatenated striping 1 5 concatenating 1 5 2 37 creating 2 24 restrictions 2 24 defined 1 5 I 3 mde deleting 2 25 expanding restrictions 2 36 shrinking 2 37 restrictions 2 37 striping 1 5 W write completion write behind 2 27 2 29 2 32 write through 2 27 2 29 2 32 write log control 2 45 1 4
176. s option sets the priority of the background tasks for logical disk initialization of disk groups Utilities Task Low Medium High Priority This option sets the priority of the background tasks for utilities of disk groups These include RAID reconfiguration utilities and data integrity maintenance utilities Note Progress rates increase in proportion to priority i e A high priority task runs faster than a low priority one When there is no host access all tasks regardless of priority run at their fastest possible speed When host access exists tasks run at their minimum possible speed 2 26 Using the RAID GUI the RAID GUI e Detailed disk group information Click to display a complete list of disk group information You will see the following details e DGID e LD Rebuild Order e UUID e Rebuild Task Priority e Created Time and Date e Initialization Task Priority e Disk Cache Setting e Utilities Task Priority e LD Initialization Mode e Member Disk s Layout e LD Rebuild Mode e Original Member Disks 2 27 Usingthe RAIDGUL the RAID GUI 2 6 4 Logical disks This feature allows you to create delete and modify your logical disk settings Create logical disks Click Create to add a new logical disk where up to a maximum of 32 logical disks can be created in each DG Specify the following options for configuration DG ID Select a DG ID from the drop down menu This is the
177. s shrunk the free chunk right after the logical disk is expanded LDO ape LD 1 Figure 1 13 Logical disk capacity shrink and expanding an adjacent free chunk Shrink a logical disk without an adjacent free chunk After a logical disk is shrunk a free chunk is created next to the logical disk LDO el LDO y shrink LD1 LD1 LD 1 A noo Jffree chunk 1 LD2 e ioe Senses free chunk 0 free chunk 0 Y S DG DG Figure 1 14 Logical disk capacity shrink and creating a new free chunk When performing logical disk shrink the capacity of the corresponding LUNs will be modified immediately and any attempt to access to the space beyond the new capacity will be rejected Please note this may lead to data loss introduction e Disk group defragmentation When a logical disk is deleted the partitions of each member disk occupied by the logical disk may become free chunks If none of the free chunks have space available for a new logical disk use defragmentation to consolidate all free chunks into one Defragment a disk group to expand the last free chunk All existing free chunks except the one at the end of the disk group are deleted and the last free chunk is expanded __LDO Se LD 0 free chunk 0 g LD 1 D disk group Ep3 LD1 defragment A free chunk 1 LD2 free chunk 0 free chunk 2 DG DG Figure 1 15 Defragment a disk group to expand the last free chunk Defragment a disk group to consol
178. sables event notifications When an event is detected the controller will alert you by the specified notification methods All the events will be recorded in the controller You are allowed to erase and download the log and send a test email of events 2 9 1 Setting up the SMTP The controller can notify you when an event occurs by sending a mail to the specified user account Specify the following options for event configurations Notify State On Off default This option enables or disables the SMTP event notifications Mail Subject RAID system event notification default Enter the mail subject The maximum length is 31 bytes Mail Content By default there is no content Enter the mail content The maximum length is 47 bytes Mail Retry Period minute 10 default Specify the period of time in minutes to retry sending event notification mail The range is from 10 to 60 Mail Delay Time second 10 default Specify the delay time in seconds to send out multiple events in one mail This helps to reduce the number of mails The range is from 5 to 60 Add Event Receivers You can add a maximum of three mail recipients Click Add to set the receiver ID mail receiver address and the corresponding severity level Remove Event Receivers Select the mail recipient s you want to delete and click Remove The selected mail recipients are deleted Modify Event Receivers Select a mail recipient you wan
179. sage Expansion on DGx resumed Description Disk group expansion on dgx was resumed Advice None Aendiix Event ID 0x200a Type TASK Severity NOTICE Parameters DG ID Message Expansion on DGx completed Description Disk group expansion on dgx was completed Advice None Event ID Ox205f Expand progress DG Type TASK Severity NOTICE Parameters ID Notify threshold Message DG expand progress y on DGx reach to the notify per Description The progress of dg expanding has reached the pre define threshold Advice None Appendix Logical disk migration Event ID 0x2004 Type TASK Severity INFO Parameters DG ID LD ID Message Migration on DGxLDy started Description Migration on dgxldy was started manually Advice None Event ID 0x202c Type TASK Severity NOTICE Parameters DG ID LD ID Message Migration on DGxLDy started by schedule Description Scheduled migration on dgxldy was started Advice TBD Event ID 0x2044 Type TASK Severity WARNING Parameters DG ID LD ID Message Migration on DGxLDy failed to start by schedule Description Scheduled migration on dgxldy failed to start Check if the logical disk or the disk group is busy or non opti Advice mal
180. screen Set IP address Load Image by TFTP ROM Update Boo Update System ROM Utility menu Set Password Restart system Q Quit amp Boot RAID system Cmd gt B Boot version 0 22 Download version 0 22 Update download boot firmware N Boot ROM update 17 _ B 1 4 S Update System ROM Press S to update the System ROM The firmware versions and the Update New System firmware message are displayed Press Y and the system starts to update the System ROM with the primary flash and backup flash You can see the process percentages on the screen N Set IP addre Load Image by TFTP Update Boot ROM Update System ROM Utility menu Set Password Restart system Q Quit amp Boot RAID system Cmd gt s System version 9 10 Beta 1 L B S H P R Download version 8 10 Beta 1 Update New System firmware N y Primary flash WRITE 100 Backup flash WRITE 3 _ Note Before a Boot ROM or System ROM update make sure you have loaded the image by TFTP server If not the following message displays Invalid image size load firmware first B 5 Appendix B 1 5 H Utility menu Press H to clear the Utility screen and recall the Boot Utility menu B 1 6 P Set password Press P to set or change the password for the Boot Utility login Set IP address Load Image by TFTP N l B Update Boot ROM 5 H P R Utility menu Set Password SlUpbdate System ROM
181. ser friendly GUI which is accessed through your web browser This manual is designed and written for users installing and using the RAID controller The user should have a good working knowledge of RAID planning and data storage Symbols used in this manual This manual highlights important information with the following icons Caution This icon indicates the existence of a potential hazard that could result in personal injury damage to your equipment or loss of data if the safety instruction is not observed Note This icon indicates useful tips on getting the most from your RAID controller _ si atti Corterts Table of Contents Chapter 1 Introduction 1 1 Key ROAM CS ooieoe enean o eaaa iia NEEE beim ue eae eee 1 2 1 2 RAID Structure 0 cc ccc ccceccccceccceeccecceeecaeececcceecaeecauecuecaeeeaeeceecateeaeeceeeeaes 1 3 1 3 Definitions 20 clei ecec cece ecceseceeececcetecaeccucecuecaececuecaecaeceseecueeateeaeeaseeaaes 1 4 How to Configure Your RAID System Chapter 2 Using the RAID GUI 2 1 Accessing the RAID Gu lencit as coos cates sat ata head 2 3 2 1 1 Browser Language Setting cccceeeeeeeeeeeeeneeeeeeeeeeeeeeeeeeeeeeeeeees 2 4 2 1 2 Multiple System Viewer seccesccet cts cceeicsecttieidindectiectseeenisdsaniostivet weiacize 2 4 2 2 Monitor Mode is ccoc Set catetet acre edad arte tid cote Aeodeey oes caer teamed dant etebaeede 2 7 PAPAN HOD SLANG cere Aeu es cen cade tects rece AET 2 8 2 2 2
182. sk the required capacity of the logical disk can be allocated immediately via the free chunk LDO LD0 LD1 E E expand LD 1 LD 1 free chunk 0 gt free chunk 0 LD2 LD 2 DG DG Figure 1 10 Logical disk capacity expansion by allocating an adjacent free chunk 1 9 introduction Expand a logical disk by moving logical disks to a free chunk If there is no free chunk right after the selected logical disk the controller will start a background task to move nearby logical disks to fill the requested capacity LDO LD0 4 LD 1 K LD 2 free chunk 0 DG Figure 1 11 Logical disk capacity expansion by moving logical disks to a free chunk Expand a logical disk by allocating an adjacent free chunk and moving logical disks If the free chunk right after the selected logical disk is not sufficient for expansion the controller will allocate the free chunk and also start a background task to move logical disks LDO a LDO _ LDiS expand free chunk 0 LD 1 LD 2 gt free chunk 1 z free chunk 1 Figure 1 12 Logical disk capacity expansion by allocating an adjacent free chunk and moving logical disks Introduction e Logical disk shrink Logical disk shrink can be used to decrease the capacity of a logical disk It is advised that the file systems on the host be shrunk before shrinking the logical disks Shrink logical disk with an adjacent free chunk When a logical disk i
183. st gt Add Host ID Select a Host ID from the drop down menu A maximum of 32 hosts can be added to the controller WWPN Each FC port needs a WWPN for communicating with other devices in an FC domain You can find each WWPN of an FC port in its BIOS 2 37 Usingthe RAIDGUL the RAID GUI Host Name Use the system default name as hostx x is the Host identifier OR Uncheck the Use system default name box and enter the name in the Name field The maximum name length is 63 bytes HG ID Select a Host Group ID from the drop down menu You can select from hgO to hg31 or No group Remove hosts Select the host s you want to delete and click Remove Check the Only remove from host group box if you want to remove the host s from the host group only Modify hosts Select a host you want to change for its host name host group ID or host group name and click Modify to enter the settings screen Add LUNs in host After setting the host s click Back to return to the symmetric storage main screen Then click Add to add LUNs in the host s Host ID Select a Host ID from the drop down menu A maximum of 32 hosts can be added to the controller LUN ID Select a LUN ID from the drop down menu where up to 128 IDs are available for the selection Mapping Virtual Select a virtual disk from the drop down menu Disk for LUN mapping Sector Size 512Byte 1KB 2KB 4KB Select a sector s
184. st channel Advice Check if the power supply is stable Contact local sales or sup port office Flash chip Event ID 0x2421 Type CONTROLLER Severity ERROR Parameters Message Primary system flash is corrupt eT The primary system flash chip on controller is corrupt and can Description not be used But the secondary flash still works Advice Check if there are any hardware hazards that lead to abnormal flash corruption Watch the secondary flash chip Event ID 0x2422 Type CONTROLLER Severity ERROR Parameters Message Secondary system flash is corrupt Pare The secondary system flash chip on controller is corrupt and Description cannot be used But the primary flash still works Check if there are any hardware hazards that lead to abnormal Advice flash corruption Watch the secondary flash chip C 51 Appendix C 52 Event ID 0x242b Type CONTROLLER Severity ERROR Parameters Message Bootrom corrupt Bootrom on controller is corrupt and cannot be used Because Description the bootcode is stored on the bootrom the controller cannot work Check if the power supply is stable Replace with a new control Advice ler Contact local sales or support office Event ID 0x2423 Type CONTROLLER Severity INFO Parameters 829 block number Message x bad block on primary system flash added PR
185. start gt Factory Default _ gt Shutdown Sys Model Name gt Controller Model Boot Code F W Version RAM BPID IP Address Figure 3 2 Menu tree 3 9 Using the LED Console the LCD Console 3 3 2 Creating an Array In the Quick Setup menu users can create disk arrays quickly and easily Configure the following items to create the array See the options as below RAID Level Level 0 default Level 3 Level 5 Level 6 Level 10 Level 30 Level 50 Level 60 Spare Disk Default 1 2 3 4 Init Method Background Foreground default No Init Use the UP and DOWN buttons to scroll through the options Press the ENT button to select To cancel the selection and return to the previous level press the ESC button 3 3 3 Network Settings In Ethernet Setup menu users can view the network status and configure the server settings Use the UP and DOWN buttons to scroll through the following items and press the ENT button to select Status Displays the connection status Set DHCP ENABLE default DISABLE If DHCP is disabled the system will require you to enter an IP address net mask gateway and DNS These settings are configured in the sequence as shown MAC Address Display MAC address Users can enter the IP related settings according to the following IP format IP format xxx xxx xxx xxx where x is 0 1 9 Use the UP and DOWN buttons to select the numbers 0 to 9 Pr
186. stics and replace with new disks Event ID 0x140d Type DISK Severity NOTICE Parameters Disk ID Message BBR exceeds clone threshold on HDDx The number of bad block reallocation table entries on hddx Description has exceeded the pre defined threshold level to trigger disk cloning If the number of BBR table entries or spare blocks being real Advice located grows exceptionally fast or beyond a reasonable num ber consider to conduct diagnostics and replace with new disks C 35 Appendix C 36 Event ID 0x1402 Type DISK Severity WARNING Parameters Disk ID Message Out of BBR table entries on HDDx All entries of the bad block reallocation table were occupied Description and neither reallocation nor block invalidation could be done if new bad sectors are detected Advice Replace with new disks to prevent data loss Event ID 0x1403 Type DISK Severity WARNING Parameters Disk ID Message Out of BBR spare blocks on HDDx On disk reserved space for bad block reallocation was occu Description pied reallocation cannot proceed if new bad sectors are detected Advice Replace with new disks to prevent from data loss On disk metadata Event ID 0x08 14 Type DISK Severity WARNING Parameters Disk ID Message Write primary metadata on HDDx failed The controller failed to access the pr
187. t command all Description List one or all types of scheduled commands On going task monitoring Command tasklist Synopsis tasklist command all Description List one or all types of background tasks Command tasknotify Synopsis tasknotify on off p percentage Description Enable or disable the event notification of the background task completion Parameters p percentage completion percentage to notify Using the CLI Commands the CLI Command 4 3 6 Array and volume roaming Command autoroam Synopsis autoroam on off Description Enable or disable automatic array roaming when the controller is started Command onlineroam Synopsis onlineroam on off Description Enable or disable on line array roaming Command hddimport Synopsis hddimport f t jodx dgx all nddx hddy hddz Description Import all or specified foreign conflict hard disks f force to import an incomplete disk group with Parameters degraded logical disks t jodx dgx target disk to restore Command hddimportlist Synopsis hddimportlist all nddx hddy hddz snti List all or specified foreign conflict hard disks with the nescripton configurations stored on the hard disks Command volimport Synopsis volimport f t volx dgxldy dgildj Description import a volume from logical disks specified parameters f force to import a faulty volume t volx target volume Comma
188. t configurations of an FC port or all FC 4 27 Using the CLI Commands the CLI Command 4 5 3 Management network interface 4 28 Command ethsetaddr ethsetaddr ethx method a ip_addr s net_mask g Synopsis gw_addr d dns_addr Description Set IP address of an Ethernet port method static or dhcp a network address Parameters s network mask g gateway address d DNS server address Command ethlistaddr Synopsis ethlistaddr ethx Description List IP and MAC address of an Ethernet port Command smtpconfig smtpconfig set primary secondary server sender Synopsis p password n name smtpconfig reset primary secondary Description Configure or clear the primary or secondary SMTP servers set reset set or reset SMTP server server the SMTP server address Parameters sender the account on SMTP server p password the password of the account on SMTP server n name name to be shown on the sender field Command smtplist Synopsis smtplist Description List the SMTP configurations Using the CLI Commands the CLI Commands Command smtptest Synopsis smtptest primary secondary receiver Description Send a test mail via primary or secondary mail server to a mail account Parameters receiver mail address of receiver Command ethtelnet Synopsis ethtelnet on off p port_no Enable or disable the TELNET service on all
189. t to change for its mail address and the event severity level Click Modify to enter the settings screen 2 65 Usingthe RAIDGUL the RAID GUI 2 9 2 Setting up the SNMP SNMP traps are used by network entities to signal abnormal conditions to management stations referred to as SNMP servers in the following paragraphs The Notify State option allows you to enable or disable SNMP event notification When set to On the controller notifies you when an event occurs by sending SNMP traps to the specified SNMP servers Add SNMP Servers You can add a maximum of three SNMP servers Click Add to set the Server ID SNMP server address port and the corresponding protocol version community name and severity level Note To receive SNMP traps an SNMP application must be installed on the SNMP server and configured properly for receiving traps The configuration settings of the SNMP application must be the same as those configured on the controller Server ID 0 1 2 Select a server ID from the drop down menu Server Address IP Address Domain Name Set up the IP address or the domain name of the SNMP server Port Set up the port on which the SNMP server listens The controller will send SNMP traps to this port The port number must therefore be the same as that configured on the SNMP application SNMP Version v1 default v2c Specify the SNMP version Both versions are exactly the same However some SNMP applicat
190. tialization task on dgxldy was started Advice None Event ID 0x204e Type RAID Severity NOTICE Parameters DG ID Message Write zero init on DGx completed Description Disk group zeroing task on dgx was completed Advice None Event ID 0x204f Type RAID Severity NOTICE Parameters DG ID LD ID Message Logical disk initon DGxLDy completed Description Logical disk initialization task on dgx was completed Advice None Event ID 0x2050 Type RAID Severity WARNING Parameters DG ID Message Write zero init on DGx aborted Description Disk group zeroing task on dgx was aborted Check if any disks in the disk group failed and then re create Advice the disk group C 4 Aendiix Event ID 0x2051 Type RAID Severity WARNING Parameters DG ID LD ID Message Logical disk init on DGxLDy aborted Description Logical disk initialization task on dgxldy was aborted Advice Check if any disks in the disk group failed and then re create the logical disk Event ID 0x2064 Zeroing progress DG Type RAID Severity NOTICE Parameters ID Notify threshold Message Write zero progress y on DGx reach to the notify percent z Description The progress of zeroing DG has reached the notify threshold Advice None Event ID 0x2066 Init progress DG ID LD Type RAID
191. tions bin for user to backup configuration C Upload a configuration Me and store itas the controller s main configurations Figure 2 20 Options in the Configurations screen 3 System Management menu 2 72 Using the RAID GUI the RAID GUI Upload a file and store it as the controller s main configurations Specify this option to upload a configuration file and store it on NVRAM Warning The controller will restart immediately when a user restores user configquratons Save tie NVRAM configurations to HDD s Read te NVRAM conSgurations from HDDs anc save to he NVRAM c e C Gatmain configurations G s Upload a configuration file and store R as the controller s main conSgurations Figure 2 21 Options in the Configurations screen 4 System Management menu 2 10 3 Setting up the network The network interface serves as one of the methods to manage the controller There are two network types static and DHCP To set up the network do the following 1 Select System Management gt Network from the main menu 2 From the Assignment Method drop down menu select either static or DHCP e If you select the static method assign the IP address network mask gateway and DNS Server to the network e If you select the DHCP method assign the DNS server address 3 Click Apply and the settings are effective immediately Note If DHCP is selected for the network you need to close the GUI and use the new
192. to Array Roaming Control and Write Log Control will take effect after you restart the RAID subsystem Auto Spare Control On default Off If this option is enabled and there is no global spare disk unused hard disks are used for rebuilding If there are multiple unused disks the disk with the lowest hard disk identifier will be used Spare Restore Control On Off default If this option is enabled the controller will restore the data from the spare disk to a new replacement disk when inserted This allows the user to keep the same member disks as original Cache Unit Size KB 4 8 16 32 64 128 default The cache unit size must be smaller or equal to the minimum stripe size of existing logical disks Write Cache Periodic Flush second 5 default Specify the period in seconds to periodically flush the write cache If 0 is specified periodic cache flushing is disabled The range is from 0 to 999 Write Cache Flush Ratio 45 default 2 58 Using the RAID GUI the RAID GUI Specify the dirty write buffer watermark When the specified percentage is reached the system will start to flush the write buffers immediately The range is from 1 to 100 Auto Array Roaming Control On Off default On Enable imported foreign hard disks when the controller is started Foreign hard disk configurations are also restored Off Disable imported foreign hard disks when the controller is st
193. to the sys tem All LUNs controlled by the chip will be unavailable to hosts i Check power supply replace with a new controller or contact Advice local sales or support office Event ID 0x300b Host Chan Type HOST Severity ERROR Parameters nel ID Error Code Message Disk channel x PCI Error y Description The controller has detected error in the host channel Advice Check if the power supply is stable Contact local sales or support office Aendiix SAS Hosts Event ID 0x300c Host WWPN Type HOST Severity INFO Parameters Host Port ID Message Host x detected on host port y ET The controller detected host x on host port y The host can Description start access the controller over the host port Advice None Link Event ID 0x300d Type HOST Severity INFO Parameters re A oD Message Host port x phy y link up Description The link on the host port x phy y had been built by the control ler successfully and data transferring can be started Advice None Event ID 0x300e Type HOST Severity NOTICE Parameters aD HD Message Host port x phy y link down The link on the host port x phy y had been turned down by the controller and data transferring was posed This happens Description when the host port was disconnected from host HBA or switch because of removing powering down resetting the host or switch or removing the cables If the
194. ty dgx Par xx x 3 7 Using the LED Console the LCD Console 3 2 5 Hotkeys There are four buttons on the LCD console UP DOWN ESC and ENT In addition to their basic functions they can be used in combination for certain hotkey functions MENT Aei Description Key Combinations UP View the previous status info message DOWN View the next status info message ESC Enter the menu mode UP DOWN Press twice to mute the beeper ESC ENT Restart to display the local enclosure status info messages ENT UP Display the previous expansion info message ENT DOWN Display the next expansion info message 3 8 Using the LCD Console the LCD Console 3 3 Menu 3 3 1 Menu Tree Use the UP or DOWN arrow buttons to scroll through the menu Press the ENT button to enter the selected setting To exit the menu press ESC The menu tree hierarchy is as shown below Level 0 Quick Setup LD Ethernet Setup Terminal Port _ System Setup LC System Info LY Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 gt RAID Level gt Spare Disk gt Init Method _ gt IP Address Netmask gt Gateway DNS P Status gt Set DHCP gt MAC Address p Baud Rate gt Stop Bit gt Data Bit Parity gt Flow control gt Passwd Setup gt Passwd ENABLE Change Passwd gt Save Config gt Save amp Restart gt SavetoNVRAM gt Re
195. umber of Sector applications The default is Auto Write Completion Write behind Write commands are reported as completed when a host s data is transferred to the write cache Write through Write commands are reported as completed only when a host s data has been written to disk Remove LUNs in storage port Select the LUN s you want to remove and click Remove To remove all LUNs of a virtual disk from the default storage group of fepx check the Remove mapping virtual disk from all storage group box e Symmetric method Symmetric storage is used in environments where hosts are equipped with multi path 1O MPIO driver or software that can handle multiple paths LUNs to a single virtual disk 2 36 Using the RAID GUI the RAID GUI In this case the controller s performance is highly elevated You need not consider different host ports because the bindings between hosts and storage groups are applied to all host ports As the illustration shows LUNs are assigned according to each host s WWPN World Wide Port Name Therefore you need to set the host WWPN first Each host can recognize LUNs as paths to virtual disks instead of individual disks FCP1 Port1 FCP2 Port2 LUNO DGOLDO DGOLD2 VOL3 MPIO Environment Figure 2 13 Symmetric storage To set up symmetric storage groups first add host s Add hosts In the symmetric storage main screen click Ho
196. umber when error happens Description such as CRC error and it will have some field Sense Key ASC ASCQ If this event occurs often check the disk connectivity check Advice power supply to disks or replace with a new disk C 29 Appendix Disk port and chip C 30 Event ID 0x081b Type DISK Severity ERROR Parameters Disk port ID Message Reset disk port x The controller resets disk port x that failed to execute com mands properly This could be a transient error due to unsta Description ble channel heavy traffic or malfunctioning hard disks The controller will resume normal operations after reset however this could result in performance drop of the disks attached to the disk port Advice If this event occurs often check the disk connectivity check power supply to disks or replace with a new disk Event ID 0x081c Type DISK Severity WARNING Parameters Chip ID Message Reset disk i f chip x The controller resets chip x that failed to execute commands properly This could be a transient error due to unstable chan Description nel heavy traffic or malfunctioning hard disks The controller will resume normal operations of the chip after reset however this could result in performance drop of the disks attached to the disk ports of this chip If this event occurs often check the disk connectivity check Adv
197. up do the following 1 Select Maintenance Utilities gt Scrubbing from the main menu 2 Click Scrub and specify the following options for a disk scrubbing task Target Type Select either HDD or DG as the scrubbing disk type HDD Specify an HDD ID for scrubbing DG Specify a DG ID and an LD ID AIl LDs for scrubbing Parity Check This option is only available for parity based RAID level LDs None No parity check is performed Check Only The controller checks the parity for logical disks Regenerate Any parity inconsistency detected is regenerated by the controller Schedule Immediately The task will start immediately Once The task will start on the specified date and time Weekly The task will start on the specified day and time every week Monthly The task will start on the specified date and time every month 3 Click Apply The task will start according to the specified time Note 1 The hard disk must not be a member disk of a disk group 2 The disk group and logical disk s for scrubbing must be in the optimal state 3 The scrubbing task will be aborted if the disk group enters degraded mode starts rebuilding disk or starts disk cloning 4 lf the disk group of the source disk contains faulty disks scrubbing is aborted until the disk group completely rebuilds its disks To cancel disk scrubbing do the following 2 51 Usingthe RAIDGUL the RAID GUI 1 Select the task s
198. upports online RAID level migration e Supports online stripe size migration e Supports online background initialization e Supports online LUN capacity expansion and shrink e Supports online disk group expansion e Supports online disk group defragmentation 1 2 Introduction e Supports online volume capacity concatenation expansion and shrink e Supports disk scrubbing SMART and clone e Supports host channel auto negotiate function e Supports multiple languages e Dual flash memory support for system code e Compatible with Microsoft Storage Server 2003 1 2 RAID Structure The services in the controller are provided by storage objects which are hierachically organized into layers The hard disks are the only physical storage objects The other storage objects a JBOD disks logical disks and volumes are virtual disks Virtual disks are created by the controller and the configuration and management tasks are performed on these disks Figure 1 1 Layered storage objects 1 3 introduction 1 3 Definitions 1 4 Understanding the following definitions will help you when operating the RAID GUI Member disk The hard disks in a disk group are member disks MD A member disk of a disk group can be a data disk or a local spare disk A data member disk provides storage space to form logical disks in a disk group Disk group A disk group DG is a group of hard disks on which logical disks can be create
199. uring Command phase Description Parity error was detected during command phase Advice None Event ID 0x301a Type HOST Severity WARNING Parameters Host Port ID Message Host port x detected parity error during Data Out phase Description Parity error was detected during data out phase Advice None Event ID 0x301b Type HOST Severity WARNING Parameters Host Port ID Message Host port x detected CRC error during Data Out phase Description CRC error was detected during data out phase Advice None Event ID 0x301c Type HOST Severity WARNING Parameters Host Port ID Message Host port x transfer count mismatch The amount of data that the target actually transferred does Description not match the DataLength The amount of data was specified in the TargetAssist request message Advice None C 47 Appendix C 48 Event ID 0x301d Type HOST Severity WARNING Parameters Host Port ID Message Host port x data offset error Description Data was received with a data offset that was not expected Advice None Event ID 0x301e Type HOST Severity WARNING Parameters Host Port ID Message Host port x too much write data Description More than the expected amount of write data was received from the initiator Advice None Event ID 0x301f Type HOST Severity WARNING Parameters Host Port
200. ves The operating system sees each drive as an individual drive in JBOD mode Therefore the total capacity of JBOD is the sum of the capacities of each disk This allows the user to add disks until the desired total capacity is reached However there is no RAID protection in this mode JBOD Spanned disk array without fault tolerance Characteristics e Large capacity e No fault tolerance Recommended use e Data backing up e Large capacity servers Disk 1 Disk 2 Disk N 4 Host MENE t LT De RAID controller Logical Volumes Physical Drive Drive 2 Drive 1 Figure A 10 JBOD disk array Appendix A 12 NRAID NRAID None RAID combines all drives as one simple logical volume The capacity of this volume is the total capacity of the physical member disks NRAID does not have data redundancy Logical Volume TEED Logical Volume HBA SCSI or FC t LAAT AAT RAID controller HOST vv Drive 2 Physical Drive Drive N Drive 1 Figure A 11 NRAID A 20 Appendix B Boot Utility B 1 Boot Utility Menu Follow the steps below to enter the Boot Utility menu 1 Run HyperTerminal or the terminal program used to establish an RS232 connection with your RAID system and open the connection established with your RAID system RS232 COM Bits per second 115200 Port Setting Data bits 8 Parity None Stop bits 1 Flow Control None 2
201. when starting the task Event ID 0x2007 Type TASK Severity NOTICE Parameters DG ID LD ID Message Migration on DGxLDy paused Description Migration on dgxldy was paused Advice Check if the logical disk or the disk group is non optimal dur ing the task Event ID 0x2008 Type TASK Severity NOTICE Parameters DG ID LD ID Message Migration on DGxLDy resumed Description Migration on dgxldy was resumed Advice None Appendix Event ID 0x2006 Type TASK Severity WARNING Parameters DG ID LD ID Message Migration on DGxLDy aborted Description Migration on dgxldy was aborted Advice Check if the logical disk is faulty Event ID 0x2005 Type TASK Severity NOTICE Parameters DG ID LD ID Message Migration on DGxLDy completed Description Migration on dgxldy was completed Advice None Event ID 0x2061 Migrate progress DG ID Notify threshold Type TASK Severity NOTICE Parameters Message LD migrate progress y on DGx reach to the notify per The progress of LD migration has reached the pre define Description threshold Advice None Event ID 0x206e Migrate progress DG Type TASK Severity NOTICE Parameters ID LD ID Notify thresh old i Message LP migrate progress w on DGxLDy reach to the notify per cent z Description The progress of
202. wn menu When all the settings are complete click Apply to make them effective immediately 2 75 Usingthe RAIDGUL the RAID GUI 2 10 6 System information To view system information and controller information select System Management gt System Information from the main menu You will see the following details System Information System Name e Vendor Name e Model Name e Product Revision e Product Serial Number Controller e Controller ID Information RAM Size MB e Serial Number e Controller Name 2 10 7 Battery backup module To view battery information ensure that a battery backup module is connected Select System Management gt Battery Backup Module from the main menu and the battery information will be displayed in this page Use the BBM Control option to turn on or off the BBM icon shown in the Monitor mode Battery e State Information e Serial Number e Device Chemistry e Remaining Capacity e Remaining Time to Full minute e Voltage V e Current A e Temperature C F e Non critical Temperature C F e Critical Temperature C F 2 76 Using the RAID GUI the RAID GUI 2 10 8 Update the firmware and boot code To update the system s firmware and boot code do the following _ Select System Management gt Firmware Update from the main menu 2 Specify the firmware type the current firmware and boot code version will be also displayed on screen e
203. y The task will start immediately Once The task will start on the specified date and time Automatic During cloning if the target disk fails the controller Resume will use another disk and resume cloning The Auto Spare Control option see 2 7 15 Miscellaneous must be set to On The following is the order of disks used to resume cloning 1 Local spare disks 2 Global spare disks 3 Unused disks If there is no disk to resume cloning or this option is not specified cloning is aborted when the target disk fails Note 1 If there is disk scrubbing task or parity regeneration task in the disk group of the source disk the task is aborted and cloning is started If the disk group of the source disk contains faulty disks cloning is suspended until the disk group completely rebuilds its disks 3 Click Apply The task will start according to the specified time To cancel hard disk cloning do the following 1 Select the task s and click Stop to abort disk cloning A confirmation prompt displays Click Confirm to cancel the cloning task The target disk will become an unused disk If there is a degraded disk group and auto spare option is on the target disk will be used for rebuilding Using the RAID GUI RAID GUI 2 7 9 Scrubbing This feature supports parity check and recovery for disk groups logical disks and hard disks Bad sectors will be reported when detected To perform disk scrubbing on a disk gro
204. y on dgx was completed Advice None Event ID 0x205c Reg Progress DG ID Notify threshold Type TASK Severity NOTICE Parameters Message Reg progress y on DGx reach to the notify percent z The progress of Reg parity on dgx has reached the pre define Description threshold Advice None C 26 Aendiix e Logic disk parity regeneration Event ID 0x203c Type TASK Severity INFO Parameters DG ID Message Reg parity on DGxLDy started Description Reg parity on dgxldy was started manually Advice None Event ID 0x203e Type TASK Severity WARNING Parameters DG ID Message Reg parity on DGxLDy aborted Description Reg parity on dgxldy was aborted Advice Check if the logic disk is busy or non optimal Event ID 0x203f Type TASK Severity INFO Parameters DG ID Message Reg parity on DGxLDy stopped Description Reg parity on dgxldy was stopped manually Advice None Event ID 0x203d Type TASK Severity NOTICE Parameters DG ID Message Reg parity on DGxLDy completed Description Reg parity on dgxldy was completed Advice None Event ID 0x206d Reg Progress Type TASK Severity NOTICE Parameters DG ID LD_ID Notify threshold o A Message Reg progress w on DGxLDy reach to the notify pe

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