Accusys ExaRAID GUI User Manual

Accusys RAID GUIUser's Manual

Contentsviii4.4.3 Storage groups ...4-194.4.4 Presentation planning

Using the RAID GUI2-603. Check the ‘Apply connection mode and data rate to all FC ports’ option if necessary.

Using the RAID GUI2-612.8.2.2 iSCSI portsThis shows information about iSCSI ports, including Assignment (DHCP/Static), IP address, Subnet Mask, Gat

Using the RAID GUI2-62as below.2.8.2.2.3 Target-iSCSI Target NodeiSCSI storage device been seen as a “iSCSI Target” and the host iscalled “iSCSI Init

Using the RAID GUI2-63CHAP User name and Secret (password) at both iSCSI initiator and target side, or the connection fail.Click CHAP User icon to ope

Using the RAID GUI2-642. After setting done, click Apply to make it available•Delete a CHAP UserSelect the iSNS server you want to delete and click Re

Using the RAID GUI2-652.8.3 COM portIn this section, you can configure the terminal settings on the COM port as instructed below. Select Terminal por

Using the RAID GUI2-66Add Event ReceiversYou can add a maximum of three mail recipients. Click Add to set the receiver ID, mail receiver address, and

Using the RAID GUI2-67Add SNMP Event Receivers ServersYou can have up to three SNMP servers to receive SNMP event notification packets. Click Add to c

Using the RAID GUI2-68Send a Test SNMP TrapSelect the SNMP server(s) to which a test SNMP trap will be sent, and click SNMP. The test SNMP trap will c

Using the RAID GUI2-692.9.3 Event logsWhen the state of a logical or physical component in the controller changes, such as failure of hard disks or c

ContentsixChapter 5: Advanced Functions5.1 Multi-Path IO Solutions ...

Using the RAID GUI2-70Click Close to close the window.Record Event LogClick Configure and specify the Lowest severity of events option for the events

Using the RAID GUI2-713. Click Apply to confirm the current settings.2.9.5 MiscellaneousLow Battery Threshold (seconds)120 / 300 / 480 / 660 / 840 /

Using the RAID GUI2-72To make the settings effective, click Apply.2.10 System Management2.10.1 Restoring to factory settingsTo clear the NVRAM or h

Using the RAID GUI2-73Read the NVRAM configuration on hard disks and save to NVRAMSpecify this option to read the NVRAM configuration data on the spec

Using the RAID GUI2-74Upload a file and store it as the controller’s main configurationsSpecify this option to upload a configuration file and store i

Using the RAID GUI2-75Configure or Modify SMTP serverSelect a server you want to configure and click Modify. The configurations window opens. Enter th

Using the RAID GUI2-76• If you select the NTP mode, specify the IP address or the domain name of the NTP server. The NTP server automatically synchron

Using the RAID GUI2-77To disable forced SSL encryption, select either On or Off from the SSL Forced drop-down menu.When all the settings are complete,

Using the RAID GUI2-782.10.8 Update system firmware, boot code and external enclosure F/WTo update the system’s firmware, boot code and external encl

Using the RAID GUI2-792.10.9 Restart or halt the controllerWhen you want to turn the RAID system off, you must go through a regular shutdown procedur

Contentsx5.7.2 Installing the VDS Provider ...5-745.7.3 Uninstalling the VDS Provider

Using the RAID GUI2-80To make the settings effective, click Apply.2.11 Performance Management2.11.1 Hard disksThis feature allows you to enable, di

Using the RAID GUI2-812.11.2 CacheThis feature allows you to enable, disable, or reset buffer cache IO logging.When cache IO logging is enabled, sele

Using the RAID GUI2-82Click to see a complete list of LUN information. You will see the specified LUN ID and its histogram output in the following s

Using the RAID GUI2-83Click to see a complete list of storage port information. You will see the following details.• HTP ID• Primitives Sequence P

Using the LCD Consolel3-1Chapter 3: Using the LCD Console3.1 Starting LCD ManipulationThe RAID system has a front LCD panel which supports a quick c

Using the LCD Console3-23.2 LCD Messages3.2.1 LCD layoutWhere:∗ : Heart Plus. The heart plus icon flashes when the controller is working normally.

Using the LCD Consolel3-33.2.2 Status infoWhen the system is ready, the system information and background task messages are displayed sequentially ev

Using the LCD Console3-43.2.3 Emergent infoWhen an emergent event occurs, you can read the message on the LCD. This state is held until every event i

Using the LCD Consolel3-53.2.5 HotkeysThere are four buttons on the LCD console, UP, DOWN, ESC, and ENT. In addition to their basic functions, they c

Using the LCD Console3-63.3 Menu3.3.1 Menu TreeUse the UP or DOWN arrow buttons to scroll through the menu. Press the ENT button to enter the selec

ContentsxiAppendix C: Boot UtilityC.1 (N) Set IP address ... C-2C

Using the LCD Consolel3-73.3.3 Network SettingsIn Ethernet Setup menu, users can view the network status and configure the server settings. Use the U

Using the LCD Console3-83.3.5 System SettingsIn the System Setup menu, users are allowed to change the password settings, save or restore the configu

Using the CLI Commands4-1Chapter 4: Using the CLI Commands4.1 OverviewThe Command Line Interface (CLI) is a set of commands which allows users to co

Using the CLI Commands4-2• Hard disk: hddx• JBOD disk: jbdx• Disk group: dgx• Logical disk: dgxldy• Volume: volx• Host: hostx• Storage group: sgx• Hos

Using the CLI Commands4-34.2.2 JBOD disksCommandhddremoveSynopsishddremove hddx hddy ...[-p]DescriptionRemove one or more hard disks. To gain control

Using the CLI Commands4-44.2.3 Disk groups4.2.4 Spare and rebuildCommanddgcreateSynopsisdgcreate dgi hddx hddy ... [-n name] [-i par/seq] [-z] [-s h

Using the CLI Commands4-54.2.5 Logical disksCommanddgrebseqSynopsisdgrebseq dgi par/seq/pri [-l ldx,ldy, ...]DescriptionSet rebuild mode of a disk gr

Using the CLI Commands4-64.2.6 RAID algorithms optionsCommandlddeleteSynopsislddelete dgxldy [-f]DescriptionDelete a logical disk.Parameters[-f]: for

Using the CLI Commands4-74.2.7 Volumes4.2.8 CacheCommandvolcreateSynopsisvolcreate volx dgxldy dgildj ...[-s stripesize] [-o sector][-n name] [-c ct

Using the CLI Commands4-8CommandcachepflushSynopsiscachepflush [periodsec]DescriptionReview or set the current cache flush period.Parameters[periodsec

ContentsxivList of TablesTable 2-1 Buttons in monitor and config mode ...2-6Table 2-2 Hard disk code ..

Using the CLI Commands4-94.3 RAID Maintenance Utilities4.3.1 RAID attributes reconfiguration utilitiesCommanddgexpandSynopsisdgexpand dgi [-d] hddx

Using the CLI Commands4-104.3.2 Data integrity maintenance utilitiesCommandvolshrinkSynopsisvolshrink volxDescriptionShrink the capacity of a volume

Using the CLI Commands4-114.3.3 Task priority control4.3.4 Task schedule managementCommandhddutilpriSynopsishddutilpri [priority]DescriptionShow or

Using the CLI Commands4-124.3.5 On-going task monitoring4.3.6 Array and volume roamingCommandschedulelistSynopsisschedulelist command/allDescription

Using the CLI Commands4-134.3.7 Array recovery utilities4.4 Storage Presentation4.4.1 HostsCommandvolimportSynopsisvolimport [-f][-t volx] dgxldy

Using the CLI Commands4-144.4.2 Host groups4.4.3 Storage groupsCommandhostnameSynopsishostname hostx nameDescriptionName a host.CommandhostlistSynop

Using the CLI Commands4-15CommandsgremovelunSynopsissgremovelun sgx/fcpx/sasx/scpx luny/allDescriptionRemove one or all LUNs in a storage group or a

Using the CLI Commands4-164.4.4 Presentation planning4.4.5 Selective storage presentation4.4.6 Simple storage presentationCommandsgsetmethodSynopsi

Using the CLI Commands4-174.4.7 Symmetric-LUN storage presentationCommandhtpremovelunSynopsishtpremovelun fcpx/sasx luny/allhtpremovelun scpx idx/i

Using the CLI Commands4-184.5 Hardware Configurations and Utilities4.5.1 Generic hard diskCommandhddstSynopsishdddst short/extended all/hddx hddy h

ContentsxvList of FiguresFigure 1-1 Layered storage objects ...1-8Figure 2-1 GUI login

Using the CLI Commands4-19CommandhddbbrcloneSynopsishddbbrclone on/off [-p percentage]DescriptionEnable or disable disk cloning for bad block realloca

Using the CLI Commands4-204.5.2 SAS ports4.5.3 SCSI portsCommandhddqueueSynopsishddqueue on/offDescriptionEnable or disable the IO queuing of hard d

Using the CLI Commands4-214.5.4 FC portsCommandscprateSynopsisscprate scpx/all async/fast/fastwide/ultra/ultrawide/ultra2/ultra2wide/ultra3/ultra320D

Using the CLI Commands4-224.5.5 Management network interfaceCommandfcpwwnnSynopsisfcpwwnn identical/distinctDescriptionSet the World-Wide Node Name o

Using the CLI Commands4-23CommandsmtpconfigSynopsissmtpconfig set primary/secondary server sender [-p password] [-n name]smtpconfig reset primary/seco

Using the CLI Commands4-244.5.6 Local terminal ports4.5.7 EnclosureCommandethlistSynopsisethlistDescriptionDisplays the control setting of all manag

Using the CLI Commands4-254.5.8 Uninterruptible power supplyCommandenclist confSynopsisenclistconfDescriptionList enclosure configurations.Commandenc

Using the CLI Commands4-264.5.9 iSCSI target / portsCommandiscsitarglistSynopsisiscsitarglist istx/allDescriptionDisplay the setting of one or all iS

Using the CLI Commands4-27CommandisnsconfigSynopsisisnsconfig add/remove server[:port]DescriptionConfigure the iSNS servers for iSCSI target automated

Using the CLI Commands4-284.6 Performance management4.6.1 Hard disks4.6.2 CacheCommandiscsiaggregportlistSynopsisiscsiaggregportlist agxDescriptio

ContentsxviFigure 3-2 Menu tree ...3-6Figure 4-1 Interfaces to Ac

Using the CLI Commands4-294.6.3 LUN4.6.4 Storage portsCommandlunstatSynopsislunstat on/off/resetDescriptionChange the setting of LUN IO logging.Comm

Using the CLI Commands4-304.7 Redundant Controller Configurations4.7.1 Mirrored write cache control4.7.2 Change preferred controller4.7.3 Path fa

Using the CLI Commands4-314.8.2 Event notificationCommandeventgetSynopsiseventget log.txt/log.csvDescriptionDownload all event records to a file, log

Using the CLI Commands4-324.8.3 Event handlingCommandeventmailconfigSynopsiseventmailconfig [-j subject] [-r xmin] [-d xsec] [-c content]DescriptionD

Using the CLI Commands4-334.9 System Management4.9.1 Configurations managementCommandautoshutdownSynopsisautoshutdown [on/off] [-e upsac/fan/temp]

Using the CLI Commands4-344.9.2 Time managementCommandconfigsetSynopsisconfigset config.binDescriptionStore a file, config.bin, as the controller’s m

Using the CLI Commands4-354.9.3 Administration security controlCommandntpsyncSynopsisntpsyncDescriptionImmediately synchronize controller’s time with

Using the CLI Commands4-364.9.4 System informationCommandpaswdmailSynopsispasswdmail [-s account]/[send]/[off]DescriptionWhen enabled, the email acco

Using the CLI Commands4-374.9.5 MiscellaneousCommandctllistSynopsisctllist ctlx [-r]DescriptionList the controller-related information.Parameters[-r]

Using the CLI Commands4-38CommandbeeperSynopsisbeeper on/off/muteDescriptionReview or set the beeper.CommandfwupdateSynopsisfwupdate image.bin [-b] [-

ContentsxviiFigure 5-31 Deployment example of RAIDGuard Central components ...5-60Figure 5-32 RGC Server monitor screen ...

Using the CLI Commands4-394.10 Miscellaneous Utilities4.10.1 Lookup RAID systems4.10.2 Turn on/off CLI script mode4.10.3 Get command list and usa

Using the CLI Commands4-404.11 Configuration shortcuts4.11.1 RAID quick setup4.11.2 Performance profileCommandraidquickSynopsisraidquick [-r raidl

Using the CLI Commands4-414.12 Snapshot CommandsvpcreateSynopsissvpcreate pdevice sdeviceDescriptionCreate a snapshot volume pair.Restrictionspdevi

Using the CLI Commands4-42CommandsvolnameSynopsissvolname svolx nameDescriptionSet snapshot volume name.CommandsvpimportSynopsissvpimport pdevice sdev

Advanced Functions5-1Chapter 5: Advanced Functions5.1 Multi-Path IO Solutions5.1.1 OverviewMulti-path IO allows a host computer to access a RAID sy

Advanced Functions5-2side software RAID0 because RAID0 forces I/O to be truncated into data stripes, resulting in overhead and limited size of per-tra

Advanced Functions5-31. Create virtual disks, like JBOD disks, logical disks, and volumes2. Choose symmetric storage presentation method3. Add all HBA

Advanced Functions5-4Bellow is the guideline and example to set up the hosts and host groups when using multi-path IO solutions:• Independent MPIO Ho

Advanced Functions5-5• Clustered MPIO Host ComputersFor clustered host computers sharing single RAID system, the storage is to be accessed simultaneo

Advanced Functions5-6The table below shows the configuration steps for Figure 5-27.5.1.4 Windows Multi-Path Solution: PathGuardPathGuard is the bundl

ContentsxviiiRevision HistoryVersion Description Release Date1.0 Initial release 2006/09/221.01 2.2.2 Added detailed information of information ic

Advanced Functions5-7Management > Storage > Disk Management) When multi-path disks are not properly detected.• Install and Uninstall PathGuardT

Advanced Functions5-8• Use the PathGuard GUI for managing MPIO disksYou can launch the PathGuard GUI by clicking Start > Programs > PathGuard &

Advanced Functions5-9• MPIO Device InformationWhen logged in, the PathGuard MPIO Utility GUI shows all connected MPIO disks.• Detailed MPIO device i

Advanced Functions5-101. From the Path Policy drop-down menu, select either Fail-over or Dynamic balance.• If you select Fail-over mode, specify the p

Advanced Functions5-113. Click Apply to apply the settings on the selected MPIO disk.5.1.5 Linux Multi-Path SolutionNative Linux multi-path I/O suppo

Advanced Functions5-12• Install and start the multipathd service(Single-Controller System)1. Check /etc/multipath.conf, and if it is not there, you n

Advanced Functions5-13 RHEL5 Xen/64bit:mpath-xxx-x.x86_64xen-rhel5.rpm SuSe10/32bit: mpath-xxx-x.i586-sles10.rpm SuSe10/64b

Advanced Functions5-141. To view the LUNs of the attached RAID systems, type cat /proc/scsi/scsi, and similar outputs are displayed as below:2. To che

Advanced Functions5-155.1.6 MAC Multi-Path SolutionMac OS X provides multi-path support on a basis since OS X 10.3.5, providing both path redundancy

Advanced Functions5-165.1.8 Sun Solaris 10 OS Multi-Path SolutionThe latest Sun Solaris OS 10 has integrated Storage Multipahting software, which off

Contentsxix1.1 2.4 Added Figure 2-10 (Overview screen) and modified the related descriptions.2.5.2 Modified the hard disk state for quick s

Advanced Functions5-17As Figure 5-5 shows, the green and the red dotted paths are both active paths. When the green path link fails, the red dotted pa

Advanced Functions5-18Configuration Tasks5.3 Redundant Controller5.3.1 OverviewRedundant controller is a high-availability solution for ensuring sy

Advanced Functions5-19• Mirrored write cacheA controller caches data in the memory for performance when the delay-write option is turned on. To ensur

Advanced Functions5-20• Owner controller and preferred controllerThe controller implements the ALUA (Asymmetric Logical Unit Access) algorithm to ens

Advanced Functions5-21• Configuration dataThe controller’s configurations and states are synchronized between two controllers. There are two copies o

Advanced Functions5-22For example, once the firmware update is executed on controller A, all the LUN mappings will be shifted from controller B to con

Advanced Functions5-23• Specify the storage provisioning method• Assign the WWPN for the HBAs in the server hosts, and group them into a host group• B

Advanced Functions5-24• Active-Active Redundant Single MPIO Host (Quad Channel)As Figure 5-7 shows, the redundant RAID system is operating in a singl

Advanced Functions5-25Configuration Tasks• Active-Active Redundant Dual Independent MPIO HostsAs Figure 5-8 shows, the redundant RAID system is opera

Advanced Functions5-26To set up the connection, perform these tasks in the RAID GUI:• Specify the storage provisioning method• Assign the WWPN for the

Contentsxx1.1 2.11 Modified the descriptions related to the Reset button.2.11.4 Added a note to explain the displayed information in the list.3

Advanced Functions5-27• Active-Active Redundant Dual MPIO Clustering Hosts (With Fibre/SAS switch)As Figure 5-9 shows, the redundant RAID system is o

Advanced Functions5-28Before proceeding with the following configuration tasks, ensure the FC/SAS switches are used to establish the connections betwe

Advanced Functions5-29ports, fcpa2 and fcpb2. For all LUNs, the green path is the active path to the controller A, and the red path is the standby pat

Advanced Functions5-305.3.4 Controller and Path Failover/Failback ScenariosBy incorporating with the MPIO driver, the access to any virtual disk can

Advanced Functions5-31• Controller Failover and Failback ScenariosWhen doing the controller failover and failback in the redundant-controller systems

Advanced Functions5-32Normally, the heartbeat LED on each controller board is flashing periodically and the system keeps syncing state messages shown

Advanced Functions5-33If both controllers are down, the following pop-up dialog box will be displayed to notify the user.5.4 Snapshot5.4.1 Introduc

Advanced Functions5-34• Reducing Data-freezing Time for Backup or ReplicationWhen doing backup or data replication, the data of a volume has to be fr

Advanced Functions5-35in the secondary volume for the RAID controller to know where the differential data is stored. Because the secondary volume stor

Advanced Functions5-36• Restoring by SnapshotsUsers can online restore a primary volume to one of its snapshot volumes. After the restore, the conten

Contentsxxi1.3 • Modified Company Address2.2.3 Modified the descriptions related to the rear side of the RAID system and picture, include added SC

Advanced Functions5-37Phase 2: Configuration5. Create volumes of the secondary volumes.6. Select a secondary volume for each source volume (primary

Advanced Functions5-38Another consideration in estimate reserved capacity is that because the COW operations are done by chunks, consisting of multipl

Advanced Functions5-39In contrary to stopping the applications manually, you may use the utility offered by your applications to force the application

Advanced Functions5-40(6) Mount the LUN of the primary volume at the host computers• Deleting SnapshotsIt is advised to delete any snapshot volume on

Advanced Functions5-41• Delete unused logical disks to release free space (Section 2.6.4 Logical disks)• Delete unused volumes to release free logical

Advanced Functions5-42(3) Shrink the partition on the LUN by your partition editor(4) Shrink the corresponding logical disk or volume by the firmware

Advanced Functions5-43• File system defragmentation might be needed before resizing• Comparisons with thin provisioningDynamic LUN resizing is better

Advanced Functions5-44• Defragment a disk group to consolidate free chunksAll existing free chunks are deleted, and a single free chunk at the end of

Advanced Functions5-45• Shrink a logical disk without an adjacent free chunkAfter a logical disk is shrunk, a free chunk is created next to the logic

Advanced Functions5-46• Expand a logical disk by moving logical disks to a free chunkIf there is no free chunk right after the selected logical disk,

Contentsxxii1.4 2.9.2 Added the new option ‘Port’ for the SNMP setting, and a note for the OIDs used for each SNMP version.2.9.5 Added the new

Advanced Functions5-47• Disk group expansion to create a free chunkIf the disk group has no free chunks in the end space before expansion, a new free

Advanced Functions5-485.5.5 Volume expansion and shrinkThe capacity of a volume can be online expanded by adding the logical disks to the volume, whi

Advanced Functions5-49Windows Server XP, 2003, and Vista operating system. It can also support Windows 2000, but you need to download it from Microsof

Advanced Functions5-50Step4: At the DISKPART prompt, type: shrink desired=2000 (If you do not set a size, such as the above example for 2 GB, it will

Advanced Functions5-51• Consolidating event logs of multiple RAID systemsRAIDGuard Central keeps monitoring the RAID systems and stores the event log

Advanced Functions5-52• Support multiple languagesRAIDGuard Central currently supports three languages: English, Traditional Chinese, and Simplified C

Advanced Functions5-53You may follow the steps below to deploy the RGC components:1. Install RAID systems and connect them to the networks.2. Install

Advanced Functions5-54systems. The monitoring tasks can still continue when one of the RGC Servers is down.5.6.3 Installing the RAIDGuard CentralThe

Advanced Functions5-55• Mac/ Linux OS platformTo uninstall the RAIDGuard Central from your Mac or Linux operating system, simply delete the folder wh

Advanced Functions5-56• RGC Server and RGC Agent Monitor ScreensThe RGC Server monitor screen (based on Windows platform) is displayed as below:The f

Contentsxxiii1.4.2 Chapter 1 Added CLI In-band API Features. Added Snapshot function note.Chapter 4 Added support CLI In-b

Advanced Functions5-57The RGC Agent monitor screen (based on Windows platform) is displayed as below:The following table describes the function of eac

Advanced Functions5-585.6.6 RGC GUI Overview• LoginTo launch RGC GUI, you may click the Launch RGC GUI button on the RGC Server monitor screen. You

Advanced Functions5-595.6.7 RAID System RegistrationYou need to register RAID systems to RGC using the RGC GUI to build network connections to the RA

Advanced Functions5-602. An Agent icon ( ) with IP address will be displayed in the Structure tree section if the Agent has been successfully added.Sc

Advanced Functions5-61systems within the IP address range will respond to the Agent. Up to 256 RAID systems can be displayed per scan. If you have mor

Advanced Functions5-62Register a RAID system1. Login to RAID systems with admin is required for the registration. RAIDGuard Central will attempt to us

Advanced Functions5-632. Click the Remove this agent button in the system panel, and the selected agent is removed from the RGC Server.Unregister a RA

Advanced Functions5-64Click a registered RAID system on the structure tree. The retrieved system information and existing event logs are displayed in

Advanced Functions5-655.6.9 Configuring MSN Event NotificationThe RAIDGuard Central integrates with the MSN service to notify users of system status

Advanced Functions5-66The architecture of VDS is illustrated as below:VDS is supported on Windows server 2003 SP-1(VDS1.0), Windows server 2003 R2 (VD

Contentsxxiv1.5 Chapter 6 Modified content of all.Chapter 5 Modified section 5.2. Move 5.2.2 Monitor Mode to 2.2.

Advanced Functions5-675.7.3 Uninstalling the VDS ProviderFollow the steps below to uninstall the VDS Provider GUI from the management host.1. Click S

Advanced Functions5-68• Register RAID systems1. Click the Scan RAID systems in the LAN button to locate RAID systems on the LAN.2. Check the checkbox

Advanced Functions5-69Please follow the links below and enter “diskraid” to find more information:Microsoft Web Site Links:Search link: http://search.

Advanced Functions5-70SAN environment, graphically displaying all supported servers, HBAs, switches and storage.For more information, please contact E

Troubleshooting6-1Chapter 6: Troubleshooting6.1 General GuidelinesWhen you encounter issues, the most essential troubleshooting is to check the even

Troubleshooting6-2• Voltage failure or error• Power supply failure or error• Fan failure or error• Temperature failure or error• BBM failure or error

Troubleshooting6-33. Use large I/O size at hostAggregating multiple contiguous I/O into single I/O of big size significantly improves the sequential-I

Troubleshooting6-47. Check I/O path connectionsYou have to make sure the bandwidth of I/O path can deliver the performance you need. For example, if y

Troubleshooting6-512. Close the web GUI during I/O accessSometimes, the web GUI or RAID monitoring software could be an influential factor to the perf

Troubleshooting6-62. Hard disks are offline unexpectedThe RAID controller takes a hard disk offline when the hard disk cannot respond to the RAID cont

Contentsxxv1.6 Chapter 5Modified section 5.2.Inserted Multiple ID solutions in section 5.22.2.3 Modified redundant controller RAID pictures2.3.1 Mod

Troubleshooting6-7causing corrupted logical disks, you may try to use array recovery utility to the RAID configurations (see 2.7.13 Array recovery on

Troubleshooting6-8• To avoid confusing operations, some settings cannot be modified when a related state happens. For example, rebuilding-related set

Troubleshooting6-9For Windows above to work around the 2TB limitation, choose bigger sector size of a LUN (see 2.6.7 Storage provisioning on page 2-37

Troubleshooting6-105. Hard disk shows Conflict stateThe Conflict state indicates that the hard disk contains valid RAID configurations but the control

Troubleshooting6-11(F) DISK NR UNEQ: The detected disk numbers are not same of both controller.(G) EXPAN NR UNEQ WILL BE RETEST: The detected expansio

Troubleshooting6-12Controller on page 5-21). The controllers will stop boot-up to show messages on the LCD. The messages and corresponding resolutions

Troubleshooting6-135. It takes too much time for path or controller failover with MPIO driverThe MPIO driver detects path failure by checking th

A-1Appendix A: Understanding RAIDA.1 RAID OverviewThe controller supports eleven types of RAID: RAID 0, 1, 3, 5, 6, 10, 30, 50, 60, JBOD and NRAID.

AppendixA-2• NRAID ("None RAID")This level allows you to combine the capacity of all drives and does not suffer from data redundancy.• RAI

AppendixA-3A.2 RAID 0RAID 0 links each drive in the array to form one large drive. Storage capacity is determined by the smallest drive in the array

Introduction1-1Chapter 1: IntroductionCongratulations on your purchase of our RAID controller. Aiming at serving versatile applications, the RAID cont

AppendixA-4A.3 RAID 1RAID 1 is commonly referred to as disk mirroring as all data is duplicated on two or more disks. This provides a high access ra

AppendixA-5A.4 RAID 3In RAID 3, all data is divided into pieces, after which the system calculates the parity of these pieces. The pieces are writte

AppendixA-6A.5 RAID 5With RAID 5, the system calculates parity from data on three drives. If one of the drives fails, parity data can be used to reb

AppendixA-7A.6 RAID 6RAID 6 stripes data and parity data across an array of drives, as with RAID 5, and calculates two sets of parity information fo

AppendixA-8A.7 RAID 10RAID 10 arrays are formed by striping data across RAID 1 sub-arrays. This offers better performance than RAID 1 alone but does

AppendixA-9A.8 RAID 30RAID 30 arrays are formed by striping data across RAID 3 sub-arrays. This offers better performance than RAID 3 alone but does

AppendixA-10A.9 RAID 50RAID 50 arrays are formed by striping data across RAID 5 sub-arrays. Striping helps increase capacity and performance without

AppendixA-11A.10 RAID 60RAID 60 arrays are formed by striping data across RAID 6 sub-arrays. Striping increases the system capacity and performance

AppendixA-12A.11 JBODJBOD (“Just a Bunch of Disks”) focuses on individual drives. The operating system sees each drive as an individual drive in JBO

AppendixA-13A.12 NRAIDNRAID (“None RAID”) combines all drives as one simple logical volume. The capacity of this volume is the total capacity of the

Introduction1-2Comprehensive online reconfiguration utilities are available for migration of RAID level and stripe size, volume management, capacity r

AppendixB-1Appendix B: Features and BenefitsB.1 OverviewWith the comprehensive features and utilities of the firmware, the system administrators can

AppendixB-2Selective presentation for sophisticated storage area network (SAN) environmentsThe administrators can choose an appropriate presentation m

AppendixB-3stripe sizes can coexist in single disk group. This largely improves the utilization of disk space as well as simplifies the configuration

AppendixB-4• Selective initialization method and modeTo initialize a logical disk, either data zeroing or background parity regeneration can be used.

AppendixB-5controller will start a background task to perform the data re-layout operations; during the migration, RAID operations are still available

AppendixB-6capacity change, RAID operations are still available to protect data and serve requests from host computers.• Concurrent logical disk capa

AppendixB-7algorithms that can intelligently self-monitor and self-adjust the performance parameters.• Adaptive read-ahead (pre-read, pre-fetch) opti

AppendixB-8B.8 Proactive Data ProtectionThe most fundamental requirement for a storage system is to protect the data from all kinds of failures. The

AppendixB-9• Online SMART disk cloningWhen a hard disk fails in a disk group, RAID enters the degradation state, which means lower performance, highe

AppendixB-10• Seasoned redundancy designThe storage system availability is achieved by the redundancy design to eliminate single point of failure. Th

Introduction1-3• Support up to 32 disk groups and 32 logical disk per disk group (Redundant/Upgradable controller)• Support up to 24 disks in one chas

AppendixB-11environmental conditions, like bad air conditioning or vibrations, or because of failures of hardware components, like connectors or cable

AppendixB-12B.11 Convenient Task ManagementThe RAID controllers are equipped with extensive utilities to support the system administrator to conduct

AppendixB-13unwanted performance impact. When the rebuilding is done, the paused tasks will be automatically resumed.• Task priority controlExecuting

AppendixB-14configurations and save it as a file on his desktops, and he can restore the configurations later, if needed for system recovery or apply

AppendixB-15line interface to deploy single configuration over multiple storage systems by replaying the CLI scripts predefined by the administrator.•

AppendixC-1Appendix C: Boot UtilityFollow the steps below to enter the Boot Utility menu:1. Run HyperTerminal (or the terminal program used to establi

AppendixC-2There are eight items in the Boot Utility menu.C.1 (N) Set IP addressThe Boot Utility allows you to update the Boot ROM and System ROM. F

AppendixC-3C.2 (L) Load Image by TFTPBefore a Boot ROM or System ROM update, you need to set up the TFTP server for loading a new firmware image. Fo

AppendixC-4C.3 (B) Update Boot ROMPress [B] to update the Boot ROM. The firmware versions and the Update download boot firmware message are displaye

AppendixC-5C.5 (H) Utility menuPress [H] to clear the Utility screen, and recall the Boot Utility menu.C.6 (P) Set passwordPress [P] to set or cha

Introduction1-4• Support intelligent disk I/O scheduling• Selective performance profile: AV streaming, Max IOPS, and Max throughput• RAID Reconfigura

AppendixD-1Appendix D: Event Log MessagesD.1 RAID• Disk operations• Creation and deletionEvent ID0x0800TypeRAIDSeverityINFOParametersDisk IDMessag

AppendixD-2Event ID0x0c01TypeRAIDSeverityINFOParametersJBOD IDMessageJBODx deletedDescriptionjbdx was deleted.AdviceNoneEvent ID0x1000TypeRAIDSeverity

AppendixD-3• InitializationEvent ID0x1c01TypeRAIDSeverityINFOParametersVOL IDMessageVOLx deletedDescriptionvolx was deleted.AdviceNoneEvent ID0x204cT

AppendixD-4• SpareEvent ID0x2051TypeRAIDSeverityWARNINGParametersDG ID, LD IDMessageLogical disk init on DGxLDy abortedDescriptionLogical disk initia

AppendixD-5• RebuildEvent ID0x0805TypeRAIDSeverityINFOParametersDisk IDMessageGlobal spare HDDx removedDescriptionGlobal spare hddx was changed to be

AppendixD-6• Roaming• RecoveryEvent ID0x2063TypeRAIDSeverityNOTICEParametersRebuild progress, DG ID, Notify thresholdMessageRebuild progress(y%) on

AppendixD-7• Controller Ownership (in Dual-Controller Configuration)• Write CacheEvent ID0x2053TypeRAIDSeverityINFOParametersDG ID, LD IDMessageDGxL

AppendixD-8D.2 Task• Disk group expansionEvent ID0x1c03TypeRAIDSeverityINFOParametersVOL IDMessageVOLx write cache is enabledDescriptionWrite cache

AppendixD-9Event ID0x2043TypeTASKSeverityWARNINGParametersDG IDMessageExpansion on DGx failed to start by scheduleDescriptionScheduled disk group expa

AppendixD-10• Logical disk migrationEvent ID0x2004TypeTASKSeverityINFOParametersDG ID, LD IDMessageMigration on DGxLDy startedDescriptionMigration on

Accusys RAID GUIUser's ManualVersion:1.7

Introduction1-5• Online array recovery for logical disks, disk groups, and volumes• Storage Presentation• Support multiple storage presentations: sim

AppendixD-11• Logical disk capacity expansionAdviceCheck if the logical disk is faulty.Event ID0x2005TypeTASKSeverityNOTICEParametersDG ID, LD IDMess

AppendixD-12Event ID0x202eTypeTASKSeverityNOTICEParametersDG ID, LD IDMessageExpansion on DGxLDy started by scheduleDescriptionScheduled logical disk

AppendixD-13• Logical disk shrink• Disk group defragmentationEvent ID0x202fTypeTASKSeverityNOTICEParametersDG ID, LD IDMessageExpansion on DGxLDy co

AppendixD-14Event ID0x2033TypeTASKSeverityNOTICEParametersDG IDMessageDefragment on DGx started by scheduleDescriptionScheduled disk group defragment

AppendixD-15• Volume expansion• Disk cloningEvent ID0x205eTypeTASKSeverityNOTICEParametersDefrag progress, DG ID, Notify thresholdMessageDefrag prog

AppendixD-16Event ID0x2048TypeTASKSeverityWARNINGParametersDISK ID, DISK IDMessageClone from HDDx to HDDy failed to auto startDescriptionAuto disk clo

AppendixD-17• Disk scrubbing of hard disksEvent ID0x2016TypeTASKSeverityNOTICEParametersDISK ID, DISK IDMessageClone from HDDx to HDDy completedDescr

AppendixD-18Event ID0x204aTypeTASKSeverityWARNINGParametersDISK IDMessageScrub on HDDx failed to start by scheduleDescriptionScheduled disk scrubbing

AppendixD-19• Disk scrubbing of disk groupsEvent ID0x2065TypeTASKSeverityNOTICEParametersScrub. Prog-ress, DISK ID, Notify thresholdMessageScrub prog

AppendixD-20Event ID0x2021TypeTASKSeverityINFOParametersDG ID, Sector Num, Row Num, Row NumMessageScrub on DGw stopped with x bad sectors detected, y

Introduction1-6• Management Interfaces• Local management via RS-232 port and LCD panel• Remote management via Ethernet and TCP/IP• Support network ad

AppendixD-21Note:Because one disk group can have only one logical disk executing disk scrubbing, the events do not record ID of the logical disk to ex

AppendixD-22Event ID0x2041TypeTASKSeverityINFOParametersDG ID, LD_ID, Sector Num, Row Num, Row NumMessageScrub on DGvLDw stopped with x bad sectors de

AppendixD-23• Disk group parity regenerationEvent ID0x206dTypeTASKSeverityNOTICEParametersScrub. Prog-ress, DG ID, LD_ID, Notify thresholdMessageScru

AppendixD-24• Logic disk parity regenerationEvent ID0x205cTypeTASKSeverityNOTICEParametersReg. Prog-ress, DG ID, Notify thresholdMessageReg. progress

AppendixD-25Event ID0x203fTypeTASKSeverityINFOParametersDG ID, LD_IDMessageReg. parity on DGxLDy stoppedDescriptionReg. parity on dgxldy was stopped m

AppendixD-26D.3 Disk• Disk statusEvent ID0x0811TypeDISKSeverityINFOParametersDisk IDMessageHDDx powered on/offDescriptionhddx was powered on or off

AppendixD-27• Disk IO exception handlingEvent ID0x0818TypeDISKSeverityNOTICEParametersController ID, Disk IDMessageController x detected CRC error on

AppendixD-28• Disk port and chipEvent ID0x081eTypeDISKSeverityNOTICEParametersDISK ID, opcode, sense key, ASC, ASCQMessageCheck condition on HDDv: SC

AppendixD-29• SMART disk self testsEvent ID0x081cTypeDISKSeverityWARNINGParametersChip ID, Controller IDMessageReset disk i/f chip x in controller yD

AppendixD-30Event ID0x0806TypeDISKSeverityINFOParametersDisk IDMessageEXT DST on HDDx startedDescriptionhddx started SMART extended device self test r

Introduction1-7• Snapshot Functions (model-dependent)• Support copy-on-write compact snapshot• Instant online copy image creation and export• Instant

AppendixD-31• Bad block handlingEvent ID0x080dTypeDISKSeverityWARNINGParametersDisk IDMessageDST on HDDx completed with electrical errorDescriptionDS

AppendixD-32Event ID0x1400TypeDISKSeverityWARNINGParametersSector NO, Sector NO, Disk IDMessageA BBR entry added for mapping sector x to sector y on H

AppendixD-33Event ID0x1409TypeDISKSeverityNOTICEParametersThreshold value, Disk IDMessageBBR exceeds notice threshold x% on HDDyDescriptionThe number

AppendixD-34• On-disk metadataEvent ID0x1403TypeDISKSeverityWARNINGParametersDisk IDMessageOut of BBR spare blocks on HDDxDescriptionOn-disk reserved

AppendixD-35Event ID0x0816TypeDISKSeverityWARNINGParametersDisk IDMessageWrite both metadata on HDDx failedDescriptionThe controller failed to access

AppendixD-36• Disk CacheEvent ID0x1405TypeDISKSeverityWARNINGParametersDisk IDMessagePrimary BBR table on HDDx is corruptDescriptionThe controller fa

AppendixD-37D.4 Host portsFC• Hosts• LinkEvent ID0x3000TypeHOSTSeverityINFOParametersHost WWPN, Host Port IDMessageHost x detected on host port yD

AppendixD-38• IO exceptions handlingEvent ID0x3003TypeHOSTSeverityNOTICEParametersHost Port IDMessageHost port x link downDescriptionThe link on the

AppendixD-39• Port and chipEvent ID0x3006TypeHOSTSeverityWARNINGParametersHost Port ID, Host WWPN, LUN IDMessageTask abort on host port x from host y

AppendixD-40Event ID0x3009TypeHOSTSeverityWARNINGParametersChip ID, Controller IDMessageReset host i/f chip x in controller yDescriptionThe controller

Introduction1-8or definitions of parameters between GUI and CLI, you can study the GUI chapter to know how a CLI command works.• Chapter 5 (Advanced F

AppendixD-41SAS• Hosts• LinkEvent ID0x300cTypeHOSTSeverityINFOParametersHost WWPN, Host Port IDMessageHost x detected on host port yDescriptionThe c

AppendixD-42• IO exceptions handling• Port and chipEvent ID0x300fTypeHOSTSeverityWARNINGParametersHost Port ID, Host WWPN, LUN IDMessageTask abort o

AppendixD-43Event ID0x3012TypeHOSTSeverityERRORParametersHost Chan-nel ID, Con-troller ID, Error CodeMessageHost channel x in controller y PCI Error:

AppendixD-44SCSI• IO exceptions handlingEvent ID0x3015TypeHOSTSeverityWARNINGParametersHost Port ID, Host SCSI ID, LUN IDMessageTask abort on host po

AppendixD-45Event ID0x3019TypeHOSTSeverityWARNINGParametersHost Port IDMessageHost port x detected parity error during Command phaseDescriptionParity

AppendixD-46Event ID0x301eTypeHOSTSeverityWARNINGParametersHost Port IDMessageHost port x too much write dataDescriptionMore than the expected amount

AppendixD-47• Port and chip• iSCSIEvent ID0x3023TypeHOSTSeverityWARNINGParametersHost Port IDMessageIOC Bus Reset on port xDescriptionA bus reset ha

AppendixD-48Event ID0x302cTypeHOSTSeverityINFOParametersIP Address, Port NumberMessageiSNS server x port y addedDescriptioniSNS server x port y was ad

AppendixD-49D.5 Controller hardware• Memory• Flash chipEvent ID0x3031TypeHOSTSeverityINFOParametersInitiator Name, Tar-get IDMessageInitiator x lo

AppendixD-50Event ID0x2422TypeCONTROLLERSeverityERRORParametersController IDMessageSecondary system flash in controller x is corruptDescriptionThe sec

Introduction1-9logical disks can be put together to create volumes using striping, concatenation, or both. The JBOD disks, logical disks, and volumes,

AppendixD-51• Controller (In Dual-Controller Configuration)Event ID0x2425TypeCONTROLLERSeverityWARNINGParametersController IDMessageBad block on prim

AppendixD-52D.6 Enclosure• TemperatureEvent ID0x2800TypeENCLOSURESeverityNOTICEParametersSensor ID, Enclosure ID, Tempera-tureMessageTemperature at

AppendixD-53• Fan• VoltageEvent ID0x2804TypeENCLOSURESeverityNOTICEParametersFan ID, Enclosure IDMessageRotation speed of fan x in enclosure y back

AppendixD-54Event ID0x2809TypeENCLOSURESeverityNOTICEParametersVoltageMessage+12V voltage source in backplane back to normal (z V)+12V voltage source

AppendixD-55• Power supplyEvent ID0x2821TypeENCLOSURESeverityNOTICEParametersVoltage, Enclosure IDMessageVoltage source x in enclosure y back to norm

AppendixD-56• BBMEvent ID0x280fTypeENCLOSURESeverityINFOParametersMessageBBM disabledDescriptionThe battery backup function was disabled.AdviceNoneEv

AppendixD-57Event ID0x2814TypeENCLOSURESeverityWARNINGParametersController IDMessageBBM in controller x absentDescriptionThe controller x cannot detec

AppendixD-58• UPSEvent ID0x2817TypeENCLOSURESeverityINFOParametersMessageUPS connection detectedDescriptionUPS detected by the controller.AdviceNoneE

AppendixD-59Event ID0x281cTypeENCLOSURESeverityINFOParametersMessageUPS battery back to normalDescriptionUPS battery charge back to normal range.Advic

AppendixD-60• SAS LinkD.7 System• ConfigurationsEvent ID0x2820TypeENCLOSURESeverityINFOParametersMessageUPS overload solvedDescriptionThe UPS over

Introduction1-10• Virtual diskA virtual disk is an storage entity that can service I/O access from LUNs or from other virtual disks. It could be JBOD

AppendixD-61Event ID0x2401TypeSYSTEMSeverityINFOParametersMessageRAID configurations on all disks erasedDescriptionRAID configurations stored on all d

AppendixD-62• Security controlEvent ID0x2431TypeSYSTEMSeverityFATALParametersController IDMessageNVRAM mapping table on controller x checksum errorDe

AppendixD-63• EventsEvent ID0x240eTypeSYSTEMSeverityINFOParametersMessageService loginDescriptionService login to the controller.AdviceNoneEvent ID0x

AppendixD-64Event ID0x0401TypeSYSTEMSeverityERRORParametersMessageEvent test with severity: errorDescriptionUsers have generated a simulated event to

AppendixD-65Event ID0x2413TypeSYSTEMSeverityNOTICEParametersMessageAuto-write-through activatedDescriptionThe pre-defined triggering events for auto-w

AppendixD-66• Firmware updateEvent ID0x2407TypeSYSTEMSeverityINFOParametersController IDMessageSystem firmware in controller x updatedDescriptionSyst

AppendixD-67• Email (SMTP) server status• System start-up and shutdownEvent ID0x2450TypeSYSTEMSeverityWARNINGParametersMessageFirmware version are n

AppendixD-68• MiscellaneousEvent ID0x2433TypeSYSTEMSeverityINFOParametersMessageThe RAID system was started in non HA modeDescriptionIf single contro

AppendixD-69• Fail-backEvent ID0x2451TypeSYSTEMSeverityWARNINGParametersMessageEnclosure serial number are not the sameDescriptionEnclosure serial nu

AppendixD-70Event ID0x2438TypeSYSTEMSeverityINFOParametersMessageEnclosure serial number in controller x updated by controller yDescriptionDuring fail

Introduction1-11• RAIDGuard Central (chapter 5)RAIDGuard Central is a software suite that helps you to manage multiple RAID systems installed in mult

AppendixD-71Event ID0x243dTypeSYSTEMSeverityWARNINGParametersMessageThe PLD version of the returning controller is not the same.DescriptionThe PLD ver

AppendixD-72D.8 Network• NetworkEvent ID0x3400TypeNETWORKSeverityINFOParametersEthernet IDMessageLink up on network interface ethxDescriptionThe ne

AppendixD-73• iSCSI portEvent ID0x3404TypeNETWORKSeverityINFOParametersiSCSI port IDMessageLink up on iSCSI port ispxDescriptionThe network link on i

AppendixD-74D.9 Miscellaneous• Event subscribeD.10 SnapshotEvent ID0x3800TypeMISCSeverityNOTICEParametersIP Address, Port NumberMessageSend messa

AppendixD-75Event ID0x3C02TypeSNAPSHOTSeverityINFOParametersVVOL IDMessageVVOLx createdDescriptionSnapshot volume vvox was created.AdviceNoneEvent ID0

AppendixD-76Event ID0x3C08TypeSNAPSHOTSeverityINFOParametersSpare COW volumeMessageSpare COW volume x is added.DescriptionSpare COW volume x was added

IndexI-1IndexAAAAaccessing the RAID GUI 2-1add LUNs in host 2-39add LUNs in storage group 2-41array recovery 2-52faulty 2-52optimal 2-52partition stat

IndexI-2telnet, and SSH B-15web-based GUI B-14web-based GUI over PPP B-15IO queue, NCQ 2-58JJJJJBODcreating 2-23creating volume pair 2-24deleting 2-23

IndexI-3RRRRRAID 0, defined A-3striped disk array without fault tolerance A-3RAID 1, defined A-4mirroring A-4RAID 10, defined A-8high reliability setu

IndexI-4SSL forcedsetting 2-73status info 3-3storage provisioning 2-36selective storageadd hosts 2-41add LUNs in storage group 2-41bind host/host grou

Introduction1-12largely depend on the information you collect. It is advised to write down the information of users’ needs and environments as well as

Introduction1-13such that capacity overhead can be minimized while performance and reliability can still be guaranteed.You might need to pay attention

Introduction1-14(see 2.9.5 Miscellaneous on page 2-71). You may also schedule periodic maintenance tasks to do disk scrubbing(see 2.7.9 Scrubbing on

AppendixiiNoticeProduct features and specifications described in this manual are subject to change without notice.The manufacturer shall not be liable

Introduction1-15Capacity resource reallocationIf you’d like to add more disks for capacity expansion, you can use disk group expansion (see 2.7.1 Exp

Using the RAID GUI2-1Chapter 2: Using the RAID GUI2.1 Accessing the RAID GUI1. Open a browser and enter the IP address in the address field. (The de

Using the RAID GUI2-22. In the Add Language window, find the language you want to use, and click OK.3. In the Language Preference window, select the l

Using the RAID GUI2-33. The following Languages dialog displays. To add a language, click Select a language to add..., choose the language, and click

Using the RAID GUI2-4Move the cursor to a system, and the following system information will appear: IP address, System name, Model name, Firmware vers

Using the RAID GUI2-52.2 Monitor ModeRAID GUI monitors the status of your RAID controller(s) through your Ethernet connection. The RAID GUI window f

Using the RAID GUI2-6There are four buttons at the top right of the page. See the following table for each button’s function.System name, controller n

Using the RAID GUI2-72.2.2 Information iconsWhen components are working normally, their icons are shown in green. When components are uninstall, not

Using the RAID GUI2-8Fan module(This icon will be shown when the fan is installed on the controller.)• Controller FanBBM(This icon will be shown when

Using the RAID GUI2-92.2.3 Rear side viewOn the rear side of the RAID system, you can see the fan modules, power supplies, host ports (fibre, SAS, SC

PrefaceiiiAbout this manualCongratulations on your purchase of the product. This controller allows you to control your RAID system through a user-frie

Using the RAID GUI2-10• For RAID systemFor Redundant and upgradable RAID system Figure 2-10 Rear side of the redundant RAID systemController Afcpa2

Using the RAID GUI2-11Component Detailed InformationAFan module• BP_FAN1• BP_FAN2• BP_FAN3• BP_FAN4BPower supply• POW1• POW2• POW3Table 2-5 Componen

Using the RAID GUI2-122.2.4 LoginThe RAID GUI provides two sets of default login members.When logging in to the GUI as user, you can only view the se

Using the RAID GUI2-13option is set to On (see 2.10.5 Security control on page 2-76), and the mail server has been configured in System Management >

Using the RAID GUI2-142.3.1 Rear side monitor of the SAS JBOD chassisOn the rear side of the SAS JBOD chassis, there are three ports (for single SAS

Using the RAID GUI2-152.3.2 SAS JBOD Installation with RAID subsystem• For single controller with single JBODs:Use the down and up stream ports to c

Using the RAID GUI2-16• For redundant controller with redundant JBODsTo ensure the system can continue its operation without any interruption in the

Using the RAID GUI2-172.3.3 Monitor modeWhen SAS JBOD chassis are connected, the enclosure tabs will appear in the Monitor Mode (see Figure 2-16). Ea

Using the RAID GUI2-182.3.4 Information iconsIn Monitor Mode, the following information icons are displayed on the screen. When components are workin

Using the RAID GUI2-192.4 Config ModeTo configure any settings under Config Mode, log in with admin and its password. The Overview screen displays a

PrefaceivCompany ContactAccusys, Inc.• 5F., No.38, Taiyuan St., Jhubei City, Hsinchu County 30265, Taiwan(R.O.C)• Tel: +886-3-560-0288• Fax: +886-3-56

Using the RAID GUI2-202.5 Quick Setup2.5.1 Performance profileThe RAID GUI provides three performance profiles for you to apply the preset settings

Using the RAID GUI2-212.5.2 RAID setupTo perform quick setup, all hard disks must be on-line and unused. Users can specify the RAID level, number of

Using the RAID GUI2-222.6 RAID Management2.6.1 Hard disksThis feature allows you to add or remove hard disks and set any online disk as global spar

Using the RAID GUI2-23• ButtonsAdd: To add hard disks, select a hard disk and click this button.Remove: To remove hard disks, select a hard disk and

Using the RAID GUI2-242.6.2 JBODThis feature allows you to create, delete, and modify your JBOD settings.• Create JBOD disksClick Create to add a ne

Using the RAID GUI2-25To clear write buffers in the write cache of a JBOD disk, select a JBOD and click the Flush button.• Create JBOD volume pairIns

Using the RAID GUI2-262.6.3 Disk groupsThis feature allows you to create, delete, and modify your disk group settings.• Create disk groupsClick Crea

Using the RAID GUI2-27• Delete disk groupsSelect the disk group(s) you want to delete and click Delete.• Modify disk groupsTo modify a setting, sele

Using the RAID GUI2-28• Detailed disk group informationClick to display a complete list of disk group information. You will see the following detai

Using the RAID GUI2-29Name Use the system default name as dgxldy. ‘x’ is the DG identifier and ‘y’ is the LD identifier. OR Uncheck the ‘Use system de

ContentsvTable of ContentsChapter 1: Introduction1.1 Overview ...

Using the RAID GUI2-30• Delete logical disksSelect the logical disk(s) you want to delete and click Delete. To delete all LUNs of dgxldy, check the ‘

Using the RAID GUI2-31To clear write buffers in the write cache of a logical disk, select a logical disk and click the Flush button.• Create logical

Using the RAID GUI2-322.6.5 VolumesThis feature allows you to create, delete, and modify your volume settings. RAID 30/50/60 are supported by creatin

Using the RAID GUI2-33• Delete volumesSelect the volume(s) you want to delete and click Delete. To delete all LUNs of volx, check the ‘Force to delet

Using the RAID GUI2-34• Create volume (VOL) snapshot volume pairInstead of creating volume pairs in the Snapshot Volumes page, you can directly creat

Using the RAID GUI2-35• Modify snapshot volume pairsTo modify a setting, select a snapshot volume and click Modify. Specify the following options for

Using the RAID GUI2-36• Create Spare COW volumes (S.COW.VOL)Click Add to add a new spare COW volume, where up to a maximum of 128 volume pairs can be

Using the RAID GUI2-37• Detailed snapshot volume informationClick to display a complete list of snapshot volume information. You will see the follo

Using the RAID GUI2-38Remove LUNs in storage portSelect the LUN(s) you want to remove and click Remove. To remove all LUNs of a virtual disk from the

Using the RAID GUI2-39In this case, the controller’s performance is highly elevated. You need not consider different host ports because the bindings b

Contentsvi2.7.2 Defragmenting disk groups ...2-432.7.3 Changing RAID level / stripe si

Using the RAID GUI2-40Remove hostsSelect the host(s) you want to delete and click Remove. Check the ‘Only remove from host group’ box if you want to r

Using the RAID GUI2-41connectivity between host and storage resources exported by the controller.As the illustration shows, the HG (Host Group) can be

Using the RAID GUI2-42Remove hostsSelect the host(s) you want to delete and click Remove. Check the ‘Only remove from host group’ box if you want to r

Using the RAID GUI2-43Remove LUNs in storage groupSelect the LUN(s) you want to delete and click Remove. To remove all LUNs of a virtual disk from all

Using the RAID GUI2-443. Click Apply to review the current settings. 4. Click Confirm. The task is created.2.7.2 Defragmenting disk groupsExcept defr

Using the RAID GUI2-45* Where “Nn” means the number of member disks in the new RAID level, “No” means the number of member disks in the original/old R

Using the RAID GUI2-463. Click Apply to view the current settings.4. Click Confirm. The task is created.2.7.5 Shrinking logical disksThe shrink opera

Using the RAID GUI2-472.7.6 Expanding volumesTo expand the capacity of a volume, do the following:1. Select Maintenance Utilities > VOL Reconfigur

Using the RAID GUI2-483. Click Apply to view the current settings.4. Click Confirm to continue the shrink.2.7.8 Cloning hard disksWhen a hard disk is

Using the RAID GUI2-493. Click Apply. The task will start according to the specified time.To cancel hard disk cloning, do the following:1. Select the

ContentsviiChapter 3: Using the LCD Console3.1 Starting LCD Manipulation ...

Using the RAID GUI2-503. Click Apply. The task will start according to the specified time.To cancel disk scrubbing, do the following:1. Select the tas

Using the RAID GUI2-51this function, make sure the SMART warning has been turned on. (See 2.8.1 Hard disks on page 2-57)Follow the steps below to star

Using the RAID GUI2-522.7.12 Array roamingArray roaming will be activated when hard disks are moved from one slot to another or from one controller t

Using the RAID GUI2-53• BANISH: The partition is lost (the member disk is removed or faulty) and it results in a degraded logical disk. The data on th

Using the RAID GUI2-54• No reconfiguration tasks are performed by the faulty logical disk.• Start a recoveryWhen there are any hard disk conflicts, t

Using the RAID GUI2-552.7.15 Cache ConfigurationsIn this section, you can configure the following settings to the controller. The settings of Cache U

Using the RAID GUI2-56Auto Array Roaming Control: On / Off (default)On: Enable imported foreign hard disks when the controller is started. Foreign har

Using the RAID GUI2-572.8 Hardware Configurations2.8.1 Hard disksIn this section, you can configure the following settings to all hard disks.Utilit

Using the RAID GUI2-58Note1. Latter percentages must be larger than the former percentages.2. Percentages must be integers between 1 and 100.Bad Block

Using the RAID GUI2-592.8.2 Ports2.8.2.1 FC / SAS / SCSI portsThis shows information about FC/SAS/SCSI ports. For FC ports including Controller Fa