Compaq External RAID Controller & Subsystem User Manual

InfortrendExternal RAID Controller & SubsystemGeneric Operation ManualRevision 1.61Firmware Version: 3.31

xIdle Drive Failure Detection ...23Periodic Auto-Detect Failure Drive Swap C

Front Panel Operation5-32current clock setting will be displayedon the LCD.Press ENT for two seconds to changethe setting.Parity CheckPress ▼ or ▲ to

Infortrend5-33IMPORTANT!• Disabling the Maximum Tag Count will disable the internal cache of thisSCSI drive..Restore to Default SettingPress ▼ or ▲ to

Front Panel Operation5-345.13 System FunctionsChoose “System Functions” in the main menu, then press ENT.Press ▼ or ▲ to select a submenu, then press

Infortrend5-35If a password has previously been set, thecontroller will ask for the old passwordfirst. If password has not yet been set, thecontrolle

Front Panel Operation5-36The controller will now flush the cachememory. Press ENT for two seconds toconfirm and reset the controller or poweroff the

Infortrend5-375.14 Controller Parameters Controller NameSelect “View and Edit Config Parms” fromthe main menu. Choose “View and EditConfiguration par

Front Panel Operation5-38“Ctlr Unique ID-,” then press ENT. Enterany hex number between “0” and “FFFFF”and press ENT to proceed.Enter a unique ID for

Infortrend5-39Use the ▲ key to enter the plus signand the ▼ key to enter numericrepresentatives.Date and TimeUse your arrow keys to scroll down andsel

Front Panel Operation5-405.15 SCSI Drive UtilitiesFrom the “View and Edit SCSI Drives”menu, select the drive that the utility isto be performed on; th

Infortrend5-41SCSI Drive Read/Write TestFrom the “View and Edit SCSI Drives”menu, select a new or used drive thatthe utility is to be performed on; th

xiMapping a Logical Drive/Logical Volume to the Host LUNs ...10-24Front Panel View of Controller Failure...

Terminal Screen Messages 6-1 Terminal Screen Messages 6.1 The Initial ScreenCursor Bar:Move the cursor bar to a desired item, thenpress [ENTER] to sel

Infortrend6-26.2 Main MenuUse the arrow keys to move the cursor bar through the menu items, then press[ENTER] to choose a menu, or [ESC] to return to

Terminal Screen Messages 6-3The controller will start initialization and automatically map the logical drive toLUN 0 of the first host channel.

Infortrend6-46.4 Logical Drive StatusLGLogical Drive numberP0: Logical Drive 0 managed by the Primary ControllerS0: Logical Drive 0 managed by the Sec

Terminal Screen Messages 6-5Column C Logical Drive Status – Write Policy settingBWrite-backTWrite-through#LNTotal drive members in the logical drive#S

Infortrend6-66.6 SCSI Drive StatusSlotSlot number of the drive;“S” indicates this is the drive used for passing through SESsignalsChlThe drive channel

Terminal Screen Messages 6-76.7 SCSI Channel’s StatusChlSCSI channel numberModeChannel modeRCCom Redundant controller communication channelHost Host C

Infortrend6-8TermTerminator Status:On Terminator is enabled.Off Terminator is disabled.Diff The channel is a Differential channel. The terminator cano

Terminal Screen Messages 6-96.8 Controller Voltage and TemperatureController voltage and temperature monitoring Choose from main menu “View and Edit P

Infortrend6-106.9 Viewing Event Logs on the ScreenThere may be a chance when errors occur and you may want to trace down therecord to see what has hap

xiiCopy and Replace Drives with Drives of Larger Capacity...7Copy and Replace Procedure...

Terminal Operation8-1 Terminal Operation7.1 Power on RAID EnclosureHardware installation should be completed before powering onyour RAID enclosure. D

Infortrend7-2Limitations:There are limitations on the use of optimization modes.1. You can select the stripe size of each array (logical drive) durin

Terminal Operation7-3Optimization Mode and Stripe SizeEach controller optimization mode has preset values for the stripesize of arrays created in diff

Infortrend7-4display the current setting with the Write-Back caching. Choose Yesin the dialog box that follows to confirm the setting.The Write-throu

Terminal Operation7-5Drives will be listed in the table of “View and Edit SCSI Drives.”Use arrow keys to scroll the table. You may first examine whet

Infortrend7-6Choosing a RAID Level: A pull-down list of supported RAID levels willappear. In this chapter, RAID 5 will be used todemonstrate the conf

Terminal Operation7-7Assign Spare Drives:You can add a spare drive from the list of the unused drives. Thespare chosen here is a Local spare and will

Infortrend7-8Initialization ModeThis sub-menu allows you to set if the logical drive is immediatelyavailable. If the online (default) mode is used, d

Terminal Operation7-9The completion of array creation will be indicated by the above messageprompt.A controller event will then prompt to indicate the

Infortrend7-107.5 Creating a Logical VolumeA logical volume consists of one or several logical drives. Choose“View and Edit logical volumes” in the m

xiiiFunctional Table of ContentsThis functional table of contents helps you to quickly locate thedescriptions of firmware functions.Chapter 1 Function

Terminal Operation7-11Logical volumes can be assigned to different controllers (primary orsecondary). Default is primary.Note that if a logical volum

Infortrend7-12Choose the logical volume you wish to partition, then press[ENTER]. Choose “Partition logical volume”, then press [ENTER].Select from th

Terminal Operation7-137.7 Mapping a Logical Volume to Host LUNSelect “View and Edit Host luns” in the main menu, then press[ENTER].A list of host chan

Infortrend7-141. A list of LUN entries and their respective mappings will bedisplayed. To map a host LUN to a logical volume’s partition,select an a

Terminal Operation7-157.8 Assigning Spare Drive, RebuildSettingsAdding Local Spare Drive A spare drive is a standby drive automatically initiated by c

Infortrend7-16Adding a Global Spare Drive A global spare replaces the failed drive in any logical drive of aRAID system.Move cursor bar to the SCSI dr

Terminal Operation7-17Deleting a Logical Drive Choose the logical drive you wish to delete, then press [ENTER].Choose “Delete logical drive.” Choose Y

Infortrend7-18example, when one or more logical drives have been deleted, thearray indexing is changed after system reboot. The second logicaldrive m

Terminal Operation7-19When rebuild has already started, choose “Rebuild progress” to seethe rebuilding progress.IMPORTANT!• The Rebuild function is on

Infortrend7-20those blocks are automatically recalculated, retrieved and storedonto undamaged sectors. If bad blocks are encountered on yetanother dri

xivWrite Policy 5-10/7-105.6/7.6Partitioning a Logical Drive/Logical Volume 5-12/7-115.7/7.7Mapping a Logical Drive/Logical Volume to Host LUN 5-13/7-

Infortrend7-217.10 Viewing and Editing Host LUNsViewing or Deleting LUN Mappings Choose the host channel and host ID combination you wish to viewor de

Terminal Operation7-22• Pass-through SCSI Commands are only intended to perform maintenancefunctions for a drive or device on the drive side. Do not

Infortrend7-23If there is a drive connected after the array is started, choose a driveand press [ENTER]. Choose “Scan SCSI drive”, then press[ENTER].

Terminal Operation7-24Move the cursor to a Local Spare Drive or Global Spare Drive, thenpress [ENTER]. Choose “Delete Global/Local Spare Drive,” then

Infortrend7-257.12 Viewing and Editing SCSI Channels Except for those shipped in dual-redundant chassis, SCSI-basedcontrollers use channel 0 as the ho

Terminal Operation7-26Viewing and Editing SCSI IDs - Host Channel Choose a host channel, then press [ENTER]. Choose “View and EditSCSI ID.” A list o

Infortrend7-27Deleting an IDChoose the SCSI ID you wish to delete. Choose “Delete ChannelSCSI ID.” The dialog box “Delete Primary/Secondary Controlle

Terminal Operation7-28For more details on ID settings in redundant mode, please refer toChapter 10.Setting a Secondary Controller’s SCSI ID - Drive Ch

Infortrend7-29Host ChannelMove the cursor bar to a channel, then press [ENTER]. Choose“Sync Transfer Clock”, then press [ENTER]. A list of the clocks

Terminal Operation7-30Viewing and Editing SCSI Target / Drive ChannelMove the cursor bar to a Drive channel, then press [ENTER]. Select“View and Edit

xvPassword Validation Timeout 5-37/7-39Controller Unique Identifier5-37/7-39SCSI Drive Utilities5-40/7-42Low-level format 5-40/7-435.15/7.15Read/Write

Infortrend7-31Maximum Synchronous Transfer ClockChoose “Maximum Sync. Xfer Clock,” then press [ENTER]. Adialog box will appear on the screen. Enter t

Terminal Operation7-32Disconnecting SupportChoose “Disconnect Support.” Choose Yes in the dialog box thatfollows to confirm the setting.Maximum Tag C

Infortrend7-33should work fine with most drives. Changing this setting is notrecommended unless some particular bus signal issues occur.All SATA/ATA-

Terminal Operation7-347.13 System FunctionsChoose “System Functions” in the main menu, then press [ENTER].The System Functions menu displays. Move th

Infortrend7-35or RAIDWatch Manager is used, you can only access the RAIDcontroller by providing the correct password.IMPORTANT!• The controller verifi

Terminal Operation7-36The new password will now become the controller’s password.Providing the correct password is necessary when entering the mainmen

Infortrend7-377.14 Controller Parameters Controller NameChoose “View and Edit Configuration Parameters,” “ControllerParameters,” then press [ENTER].

Terminal Operation7-38Saving NVRAM to Disks You can choose to backup your controller-dependent configurationinformation to disks. We recommend using

Infortrend7-39Press Yes to confirm.A prompt will notify you that the controller NVRAM data has beensuccessfully restored from disks.Password Validatio

Terminal Operation7-40Enter a unique ID for any RAID controller no matter it is configuredin a single or dual-controller configuration. The unique ID

xviCylinder/Head/Sector Mapping 9-16Drive-side Parameters9-18SCSI Motor Spin-up 9-18SCSI Reset at Power-up 9-19Disk Access Delay Time 9-20SCSI I/O Tim

Infortrend7-41Set Controller Date and TimeThis sub-menu only appears when the controller is equipped with areal-time clock.Time ZoneThe controller use

Terminal Operation7-427.15 Drive InformationView Drive InformationFrom the “View and Edit SCSI Drives” menu, select the drive thatthe utility is to pe

Infortrend7-43SCSI Drive Low-level FormatChoose “SCSI Drive Low-level Format” and confirm by selectingYes.IMPORTANT!• Do not switch the controller’s a

Terminal Operation7-44SCSI Drive Read/Write TestFrom the “View and Edit SCSI Drives” menu, select a new or useddrive that the utility is to perform on

Fibre Operation8-1Fibre Operation8.1 Overview This chapter describes the Fibre-specific functions available sincefirmware release 3.21 and above. Opt

Infortrend8-28.2 Major ConcernsMost of the configuration options in this chapter are directly relatedto controller redundancy. Joining two controller

Fibre Operation8-3performance.2. Host–side dual loop is passively supported andrequires the support of multi-path software on thehost computer.

Infortrend8-48.3 Supported FeaturesFibre Chip1Gbit Fibre Channel: Fibre loops (1 Gbit FC-AL) comply with the following standards:1. (FC-PH) X2.230:19

Fibre Operation8-5Drive IDs:Supported ways to address a Fibre port include Hard assigned andSoft assigned. The controller supports automatic loop IDa

Infortrend8-6Drive ChannelHost Channel8.4 Configuration: Host and DriveParametersChannel Mode: All Fibre channels can be changed to operate as “Host,

xvii12.3 Mode 2 Expansion: Copy & Replace Drive with drivesof larger capacity12-712.4Expand Logical Drive (Making use of the addedcapacity)12-912.

Fibre Operation8-7 Limitation: 1. If host connection is made in FC-AL mode, there can be a totalof “16” of Primary and Secondary IDs.2. Although hos

Infortrend8-8View Device Port Name List (WWPN) This function displays device port names (host adapter ID) detectedon a host loop. Device port names w

Fibre Operation8-9 A drive enclosure usually has drive slots pre-assigned with specificIDs. There are occasions when an ID needs to be assigned manu

Infortrend8-101. Fibre Channel Connection Type: Use the ↑↑↑↑ ↓↓↓↓ keys to scroll down to “View and Edit ConfigurationParameters,” "Host-side SCS

Fibre Operation8-11Controller firmware automatically examines the node names andport names of all the connected drives once initiated. If devices ont

Infortrend8-12replacement, making the host unaware of controller replacement sothat controller failback is totally transparent. Choose “View and Ed

Fibre Operation8-132. Communications Traffic Distributed over All DriveLoops: Select all drive loops and configure them as "Drive+ RCCOM (Drive L

Infortrend8-148.5 Multi-Host Access Control: LUNFilteringRAID-based mapping provides access control over a Storage AreaNetwork where:1. Servers may s

Fibre Operation8-15Figure 8 - 2 Host-LUN MappingCreating LUN Masks User can configure the storage subsystem to appear as 32 LUNs perFibre target ID.

Infortrend8-16To create LUN masks, select "View and Edit Host LUNs" from theMain Menu, then select a host data path (channel-ID combination)

xviiiList of TablesChapter 1Table 1 - 1 RAID Levels...1-2Chapter 2Table

Fibre Operation8-17Logical Unit to Host LUN MappingAssign Logical Unit Numbers (LUNs) to logical units (logicaldrives/logical volumes/logical partitio

Infortrend8-18More than one filter entry can be appended to a host LUN tocompose a more complex mapping scheme. LUN map is port name-oriented. You c

Fibre Operation8-19LUN Mask (ID Range) Configuration:Ranges can be established by combining a basis ID with a masksimilar to the way routing table ent

Infortrend8-20Access Mode: Read Only or Read/Write A particular extended LUN map can be setup with an attribute of"Read Only" in the event t

Fibre Operation8-211. Host HBA port name (WWPN) list:Host A = 0x…F111 Host B = 0x…F112 Host C = 0x…F2222. Controller Configuration:• L

Infortrend8-22Entry 3: "LD1-P0, ID=0x…F111, Mask=0x…FFFE, Filter Type =Include, Access Mode = Read Only." It means P0 of LD1 is'Read O

Advanced Configurations9-1Advanced ConfigurationsThis chapter aims to discuss the advanced options for configuringand maintaining a RAID system. Each

Advanced Configurations9-29.1.1 Clone Failing Drive:Unlike the similar functions combined with S.M.A.R.T., the “CloneFailing Drive” is a manual functi

Infortrend9-3The cloning process will be indicated by a status bar.You may also quit the status bar by pressing [ESC] to return to thetable of the con

Advanced Configurations9-4The cloning process will begin with a notification message:Press [ESC] to view the current progress:You may also quit viewin

xixChapter 2Figure 2 - 1 Optimization Setting...2-3Figure 2 - 2 Array Configuration

Infortrend9-59.1.2 S.M.A.R.T. (Self-Monitoring, Analysisand Reporting Technology )This section provides a brief introduction to S.M.A.R.T. as one wayt

Advanced Configurations9-6There are four selections related to the S.M.A.R.T. functions infirmware:Disable:Disable S.M.A.R.T.-related functionsDetect

Infortrend9-7Configuration Procedure Enabling the S.M.A.R.T. FeatureFollow the procedure below to enable S.M.A.R.T. on all drives.1. First, enable t

Advanced Configurations9-86. Choose “Predictable Failure Test,” the controller will force thedrive to simulate predictable drive errors.7. Press [EN

Infortrend9-93b. Whenever a drive predicts symptoms of predictable drivefailure, controller will issue an error message.4. The “Detect, Perpetual C

Advanced Configurations9-10original role – it will become a spare drive again and start rebuildingthe failed drive.5. The “Detect, Clone+Replace” Fu

Infortrend9-11Figure 9 - 1 SCSI ID/LUNs9.2 Host-side and Drive-side SCSIParametersForeword: SCSI Channel, SCSI ID and LUNA SCSI channel (SCSI bus) can

Advanced Configurations9-12From the main menu, select “View and Edit ConfigurationParameters,” “Host-side SCSI Parameters,” then press [ENTER].Choose

Infortrend9-13Maximum Queued I/O Count: This function allows you to configure the maximum number of I/Oqueue the controller can accept from the host c

Advanced Configurations9-14host adapter. If the driver is not loaded, the host computer will notbe able to use the in-band utility to communicate wit

iiAsia Pacific(International headquarter)Infortrend Technology, Inc.8F, No. 102 Chung-Shan Rd., Sec. 3Chung-Ho City, Taipei Hsien, TaiwanTel: (886)-2-

xxAbout This ManualThis manual provides all of the necessary information that a systemadministrator needs to configure and maintain one of Infortrend’

Infortrend9-15Peripheral Device Type Parameters for VariousOperating Systems: A host can not “see” a RAID controller UNLESS a logical unit hasbeen cre

Advanced Configurations9-16Table 9 - 2 Peripheral Device Type Settings:Device Type SettingNo Device Present 0x7fDirect-access Device 0Sequential-acces

Infortrend9-17Configuring Sector Ranges/Head Ranges/Cylinder Ranges:Selecting Sector RangesSelecting Head RangesSelecting Cylinder Ranges

Advanced Configurations9-189.2.2 Drive-side Parameters:Choose “Drive-side SCSI Parameters,” then press [ENTER]. TheDrive-side SCSI parameters menu dis

Infortrend9-19IMPORTANT!• If the drives are configured as “Delay Motor Spin-up” or “Motor Spin-upin Random Sequence,” some of these drives may not be

Advanced Configurations9-20Power off all hard drives and controller, and power them on again.Hard drives will not spin-up all at once. The controller

Infortrend9-21controller to keep waiting for a drive, and it may sometimes cause ahost timeout.Choose “SCSI I/O Timeout –Default (7 seconds),” then pr

Advanced Configurations9-22Detection of Drive Hot Swap Followed by AutoRebuildChoose “Periodic Auto-Detect Failure Drive Swap Check Time”;then press [

Infortrend9-23long as no host accesses that drive. Changing the check time to anyother value allows the controller to check – at the selected timeint

Advanced Configurations9-24IMPORTANT!• By choosing a time value to enable the "Periodic Drive Check Time,” thecontroller will poll all connected

xxiAppendix A outlines the menu structure of the LCD front paneloperation.Appendix B lists the important firmware features supported withthe firmware

Infortrend9-259.3 Monitoring and Safety MechanismsDynamic Switch Write-PolicySelect “View and edit Configuration parameters” on the main menuand press

Advanced Configurations9-263. Power Supply4. Cooling Element5. Temperature Sensors6. Audible Alarm7. Enclosure Services Controller ElectronicsSel

Infortrend9-27Select a configurable time span between the detection of exceededtemperature and the controller’s commencing an automaticshutdown.9.4 Di

Advanced Configurations9-28Verification on WritesErrors may occur when a hard drive writes data. To avoid the writeerror, the controller can force h

Redundant Controller10-1Redundant Controller10.1 Operation TheorySample topologies using redundant controllers can be found in the HardwareManual that

Infortrend10-210.1.1 Setup Flowchart Figure 10 - 1 Redundant Controller Configuration FlowchartNOTE that some of Infortrend’s dual-controller configur

Redundant Controller 10-3The physical connection between redundant controllers should be similarto the one shown above. The basic configuration rul

Infortrend10-4The basic configuration rules are:1. All channels should be connected to both controllers as diagrammedabove.2. To reduce the chance o

Redundant Controller 10-53. Will those storage volumes be accessed in a multi-host or multi-pathconfiguration?4. Fault Tolerance: Enabling the con

Infortrend10-6Figure 10 - 3 Grouping Hard DrivesDrive Channel 0Drive Channel 1ID 5ID 0ID 3 ID 2ID 6 ID 1 ID 0 ID 144GB4GB2GB2GB4GB4GB2GB2GBRAID 58GBRA

xxiiVersion 1.4: • added firmware features available withfirmware revisions 3.14, 3.15, and 3.21• revised details about redundant controllers,host L

Redundant Controller 10-7Drive Channel:Since all channels are strung between two controllers, eachchannel is connected to two chip processors, and e

Infortrend10-8distributed across two host ports and managed by bothcontrollers.Figure 10 - 6 Mapping System Drives (IDs)! Some operating systems do no

Redundant Controller 10-9How does Failover and Failback Work?A.Channel BusBelow is a sample illustration of the redundant controller operation:Figur

Infortrend10-10Table 10 - 1 ID Mapping Status (Normal Operation)Channel ID Status Target Chip0 (Primary ID)Active Pri. Controllerchannel 001 (Secondar

Redundant Controller 10-11B.Controller Failover and FailbackIn an unlikely event of controller failure, the surviving controller willacknowledge the

Redundant Controller 10-12D.Traffic Distribution and Failover ProcessThe diagram below illustrates a four-channel configuration usingchannel 0 as th

Infortrend10-13Figure 10 - 10 Controller FailoverE. Controller FailureController failure is managed by the surviving controller. Thesurviving control

Infortrend10-1410.2 Preparing Controllers 10.2.1 Requirements:Cabling Requirements:Communications Channels:- Controller Communications (Cache Synchro

Redundant Controller 10-15Controller Settings:1. Enable Redundant Controller:"Main Menu"→ "View and Edit Peripheral Devices"→ &

Infortrend10-1610.2.2 Limitations• Both controllers must be exactly the same. Namely, they must operatewith the same firmware version, the same size

Functional Description1-1Logical Drive123RAID Functions: An IntroductionRedundant Arrays of Independent Disks, or RAID, offers the followingadvantages

Redundant Controller 10-17The two controllers continuously monitor each other. When a controllerdetects that the other controller is not responding

Infortrend10-18operating in write-back mode, it is recommended to install a battery moduleto each controller.

Redundant Controller 10-1910.3 ConfigurationListed below are steps necessary for configuring a redundant controllersystem:1. Configure, separately,

Infortrend10-2010.3.1 Via Front Panel KeypadRedundant Configuration Using Automatic SettingPower-on Controller 1. Make sure Controller 2 is powered-o

Redundant Controller 10-21Power-off controller 1, and then power oncontroller 2. Set controller 2 to "Autocfg" asdescribed previously. Po

Infortrend10-22Enter a hex number from 0 to FFFFF and press[ENTER]. The value you enter should bedifferent for each controller.Power off controller 1

Redundant Controller 10-23Use ▼ or ▲ to select a SCSI ID and press [ENT] toconfirm. The configuration change will takeeffect only after controller

Infortrend10-24Choose "Logical Drive Assignment..," then press[ENT].The message "Redud Ctlr LG Assign Sec Ctlr?"will appear. Pres

Redundant Controller 10-25Repeat the process to map all the logical units tohost ID/LUNs.Front Panel View of Controller FailureWhat will happen when

Infortrend10-26Choose "Set Peripheral Device Entry..," then press[ENT].Choose "Redundant Ctlr Function__," then press[ENT].The mes

Infortrend1-2then distributes data segments to its member drives according to thespecific RAID level it is composed of.The member logical drives can b

Redundant Controller 10-27current setting will be displayed on the screen. If this controller has neverbeen set as a redundant controller before, t

Infortrend10-28Choose "Redundant Controller [Function]," and then press [ENTER]. (Note:The current setting will be displayed on the screen.

Redundant Controller 10-29Creating Primary and Secondary IDEnter "View and Edit SCSI Channels." Press [ENTER] and select the host ordrive

Infortrend10-30Assignments," then press [ENTER]. Choose Yes and press [ENTER] toconfirm reassignment to the Secondary Controller.The reassignmen

Redundant Controller 10-31Terminal Interface View of Controller FailureWhat will happen when one of the controllers fails?When one of the controller

Infortrend10-32When the new controller is connected, the existing controller willautomatically start initializing the replacement controller (IFT-3102

Redundant Controller 10-33Forcing Controller Failover for TestingThis function is reserved for de-bugging.Testing the failover functionality can be

Infortrend10-34RCC Status (Redundant Controller CommunicationsChannel) The item is display only, showing the current communications route.Secondary Co

Record of Settings11-1Record of SettingsIn addition to saving the configuration data in NVRAM to disk,keeping a hard copy of the controller configurat

Infortrend11-2#LN #SB #FL NAME Disk reserved spacePartition InformationLG Partition Size (MB) LG Partition Size (MB)

Functional Description 1-3+++2 GB Hard Drive3 GB Hard Drive1 GB Hard Drive2 GB Hard DriveLogicalDrive2 + 3 + 1 + 2 = 8 GB Logical Drive=2 GB Har

Record of Settings11-311.2 View and Edit Logical VolumesLogical Volume InformationLV ID Size #LD Stripe sizePartition InformationLV Partition Size (MB

Infortrend11-411.3 View and Edit Host LUN’sLUN MappingsHost Channel Pri. / Sec.ControllerSCSI ID LUN Logical Drive /LogicalVolumePartition SizeHost-ID

Record of Settings11-5Host Filter EntriesLUN LV/LD DRV Partition Size (MB) RAIDLV/LDPartition?Host-ID/WWNHost-ID/WWNMaskFilter Type AccessModeName

Infortrend11-611.4 View and Edit SCSI DrivesSlot Chl ID Size(MB)Speed LG DRV?Global Spare?Local Spare?Vendor & Product IDLGLGLGLGLGLGLGLGLGLGLGLGL

Record of Settings11-711.5 View and Edit SCSI ChannelsChl Mode(Host /Drive)PrimaryControllerSCSI ID(s)SecondaryControllerSCSI ID(s)DefaultSyncClockDef

Infortrend11-811.6 View and Edit ConfigurationParametersCommunication ParametersRS-232 Port ConfigurationCOM 1 (RS-232 Port)Baud Rate2400 4800

Record of Settings11-9Dial-out Retry CountRetry _____ timesDial-out Retry Interval_____ MinutesDial-out on EventConditionDisabled Critical Events On

Infortrend11-10Disk Array ParametersRebuild PriorityLow Normal Improved HighVerifications on WritesVerifications on LDInitialization Write

Record of Settings11-1111.7 View and Edit Peripheral DevicesSet Peripheral Device EntryRedundant Controller Enabled DisabledPower Supply Status

Infortrend11-12Thresholds for +5VUpper ________ Lower ________Thresholds for +12VUpper ________ Lower ________Thresholds for CPUtemperatureUpper

Infortrend1-4Block 1Block 2Block 3Block 4Block 5Block 6Block 7Block 8Block 1Block 3Block 5Block 7Block 2Block 4Block 6Block 8StripingLogical DrivePhys

Advanced Configurations12-1Array ExpansionThe array expansion functions allow you to expand storage capacitywithout the costs on buying new equipment.

Infortrend12-2from the original members to larger drives, and then the smallerdrives can be replaced without powering down the system. Note on Expansi

Array Expansion12-3Expand Logical Drive: Re-StripingFigure 12 - 1 Logical Drive Expansion RAID levels supported: RAID 0, 3, and 5 Expansion can be pe

Infortrend12-412.2 Mode 1 Expansion: Adding Drives to a Logical Drive Use drives of the same capacity as that of the original drivemembers. Once c

Array Expansion12-5 Press [ENTER] to select a logical drive and choose “add SCSIdrives” from the submenu. Proceed with confirming the selection. A

Infortrend12-6 Upon completion, there will appear a confirming notification. Thecapacity of the added drive will appear as an unused partition. Th

Array Expansion12-712.3 Mode 2 Expansion:Copy and Replace Drives with Drives ofLarger CapacityYou may also expand your logical drives by copying and

Infortrend12-8 The array members will be listed. Select the member drive (thesource drive) you want to replace with a larger one. Select one of the m

Array Expansion12-9 Completion of the Copy and Replace process will be indicated by anotification message. Follow the same method to copy and replace

Infortrend12-10Choose Yes to confirm and proceed.Upon completion, you will be prompted by the notification message.Press [ESC] to return to the previo

Functional Description 1-5Block 1Block 2Block 3Block 4Block 5Block 6Block 7Block 8..Logical DrivePhysical DisksBlock 1Block 3Block 5Block 7Block 2Bl

Array Expansion12-1112.5 Expand Logical VolumeTo expand a logical volume, expand its logical drive member(s) andthen perform “expand logical volume.”W

Infortrend12-1212.6 Configuration Example:Volume Extension inWindows 2000® ServerLimitations When Using Windows 20001. Applies only to the Win

Array Expansion12-13You can view information about this drive in the Windows 2000Server’s Computer Management -> Storage -> Disk Management.Plac

Infortrend12-14Follow the steps described in the previous section to "add" or "copy& replace" SCSI disk drives and perform Log

Array Expansion12-15Return to Windows 2000 Server’s Disk Management. There nowexists a Disk 2 with 8.3GB of free space. You may use the “rescandisks”

Infortrend12-16The Extend Volume Wizard should guide you through the rest ofthe process.The screen will display that volume set of Drive E: has beenex

Array Expansion12-17Drive E: now has a capacity of about 25GB.

Navigation MapA-1LCD Keypad Navigation MapLCD display textTask to be performed, or the task to be performed for the configuration to take effect (red

InfortrendA-2View and EditLogical Volume ↕↕↕↕View Logical Drives..Delete Logical Volume..Partition Logical Volume..Logical Volume Assignment..Expand L

Navigation MapA-3View and EditSCSI Drives ↕↕↕↕View Drive Information..Assign Local Spare Drive..Assign Global Spare Drive..Delete Spare Drive..Scan Ne

Functional Description 1-6Logical Drive123XLSLocalSpareDriveWhen one memberdrive fails, the LocalSpare Drive joins thelogical drive andautomatically

InfortrendA-4 View and EditSCSI Channels ↕↕↕↕Redefine Channel Mode..Parity Check Enabled/DisabledSet SCSI Channel Terminator..Sync. Transfer Speed

Navigation MapA-5View and EditConfiguration Parameters ↕↕↕↕Communication Status..RS-232 Port Configuration..PPP Configuration..Modem Operation..Com1 C

InfortrendA-6Motor Spin-UpReset at Power-UpInit Disk Access Delay -SCSI I/O TimeoutPeriodic SAF-TE ChkTime -Maximum Tag CountPeriodic Drive ChkTime -P

Navigation MapA-7System Functions ↕↕↕↕Mute Beeper..Change Password..Reset This Controller..Shutdown This ControllerContro

Firmware Functionality SpecificationsB-1Firmware FunctionalitySpecificationsBasic RAID Management:Specification FeatureRAID Levels0, 1(0+1), 3, 5, 10,

InfortrendB-2Auto-scan of replacementdrive upon manuallyinitiated rebuildSupportedOne-step rebuild onto areplacement driveSupportedImmediate logical d

Firmware Functionality SpecificationsB-3Host LUN GeometryUser Configurable DefaultGeometry:1. Capacity <64GB: Head=63, Sector=32, Cylinder=?(depen

InfortrendB-4RAID1128 32RAID316 4RAID5128 32Caching Optimization• Cache buffer sorting prior to cache flush operation• Gathering of writes during flus

Firmware Functionality SpecificationsB-5Fibre Channel Support:Fibre Channel SupportAll Firmware supports Fibre ChannelsChannel ModeAll channels config

InfortrendB-6S.M.A.R.T. Support:Copy & Replace DriveSupported. User can choose to clone a member drivebefore drive failure.Drive S.M.A.R.T. Suppo

Infortrend1-7A Local Spare always hashigher priority than aGlobal Spare.Figure 1 - 12 Mixing Local and Global SparesLogical Drive 0Local Spare Drive12

Firmware Functionality SpecificationsB-7Redundant ControllerCommunication overFibre loopsDedicated loops or distribution over drive loops selectableNo

InfortrendB-8Verification on LDinitialization writesSupported. Performs read-after-write during logical driveinitialization to ensure data is properl

Firmware Functionality SpecificationsB-9Environment Management:SAF-TE/S.E.S. supportSupported. The SAF-TE/S.E.S. modules can beconnected to the drive

InfortrendB-10User Interface:RAIDWatch on-boardOut-of-band configuration via LAN. Browseraccessible configuration option by installingRAIDWatch to re

Firmware Functionality SpecificationsB-11JBOD-Specific:FormatRestore controller-maintained defect list to defaultReassign BlocksAdd entry to the defec

System Functions: Upgrading FirmwareC-1System Functions: Upgrading FirmwareUpgrading Firmware The RAID controller’s firmware resides in flash memory t

InfortrendC-2will hand over the workload and then reset itself for the newfirmware to take effect. The rolling upgrade is automaticallyperformed by c

System Functions: Upgrading FirmwareC-3Upgrade Both Boot Record and Firmware Binaries1. Connect to the RAID system locally or from a remote host usin

InfortrendC-4Upgrade the Firmware Binary Only1. Connect to the RAID system locally or from a remote host usingRAIDWatch Manager. While connected to

System Functions: Upgrading FirmwareC-5Establishing the connection for the RS-232C Terminal EmulationPlease refer to chapter 4, “Connecting to Termina

iiiDEC and Alpha are registered trademarks of CompaqComputer Corp. (formerly of Digital Equipment Corporation).Microsoft, Windows, Windows NT and MS-D

Functional Description 1-8LEDLEDLEDLEDLEDR/W1.5 Identifying DrivesAssuming there is a failed drive in the RAID 5 logical drive, make ita point to re

InfortrendC-6Upgrading the Firmware Binary Only1. From the Main Menu, scroll down to "System Functions."2. Go to "Controller Maintena

Event MessagesD-1Event MessagesThe controller events can be categorized as follows:Alert Errors that need to attend to immediatelyWarning ErrorsNotifi

InfortrendD-2Notification:[0181] Controller Initialization Completed[0187] Memory is Now Sufficient to Fully Support Current Config.[0189] NVRAM Facto

Event Messages D-3[113f] CHL:_ ID:_ NOTICE: Redundant Path for Chl:_ ID:_ RestoredLogical Drive EventAlert:[2101] LG: <NA/Logical Drive Index>

InfortrendD-4Temperature Detected (_._C )[3f22] Peripheral Device ALERT: Controller FAN _ Not Present or FailureDetected[3f22] Peripheral Device ALERT

Event Messages D-5Unknown Status>![3f23] SES (C_ I_) Temperature Sensor _: <Vendor descriptor strings/DeviceNot Available>![3f24] SES (C_ I_)

InfortrendD-6[3fa2] NOTICE: Controller FAN _ Back On-Line (_ RPM)I2C Device:[3fa3] NOTICE: Temperature _ Back to Non-Critical Levels[3fa3] NOTICE: Tem

Event Messages D-7Controller EventAlert:2-Line LCDDRAM Parity Error DetectedTerminal[0104] Controller ALERT: DRAM Parity Error DetectedEvent Type!Aler

InfortrendD-82-Line LCDPower Supply Unstable or NVRAM FailedTerminal[0114] Controller ALERT: Power Supply Unstable or NVRAM FailedEvent Type!Alert

Event Messages D-92-Line LCDNVRAM Restore from Disk is CompletedTerminal[0189] NVRAM Restore from Disk is CompletedEvent Type"Alert

Infortrend1-91.6 RebuildAutomatic Rebuild and Manual Rebuild1. Automatic RebuildFigure 1 - 13 Automatic RebuildRebuild with Spare: When a member dri

InfortrendD-10Drive SCSI Channel/Drive ErrorDriveWarning:2-Line LCDC:_ I:_ SCSI Target ALERTTerminal[1101] CHL:_ ID:_ SCSI Target ALERT: Unexpected

Event Messages D-112-Line LCDC:_ I:_ Timeout Waiting for I/OTerminal[1105] CHL:_ ID:_ SCSI Target ALERT: Timeout Waiting for I/O toCompleteEvent T

InfortrendD-122-Line LCDC:_ SCSI Drive Channel Notification: SCSI Bus Reset IssuedTerminal[110f] CHL:_ SCSI Drive Channel Notification: SCSI Bus Rese

Event Messages D-132-Line LCDC=_ I=_ Unexpected Sense Rec.Terminal[1115] CHL:_ ID:_ SCSI Drive ALERT: Unexpected Sense Received(Sense_key Sense_co

InfortrendD-142-Line LCDC:_ I:_ Predictable Failure Detected (TEST)Terminal[1142] SMART-CH:_ ID:_ Predictable Failure Detected (TEST)Event Type"A

Event Messages D-15Channel:Warning:2-Line LCDChl:_ Redundant Loop Connection Error Detected on ID:_Terminal[113f] CHL:_ ALERT: Redundant Loop Connecti

InfortrendD-162-Line LCDC:_ I:_ -Red Path for C:_ I:_ Failure DetectedTerminal[113f] CHL:_ ID:_ ALERT: Redundant Path for Chl:_ ID:_ FailureDetec

Event Messages D-17Logical Drive Event:Alert:2-Line LCDCHL:_ ID=_ Drive FailureTerminal[2101] LG: <NA/Logical Drive Index> Logical Drive ALE

InfortrendD-18Warning:2-Line LCDLG ALERT: Init Failed!Terminal[2102] LG:_ Logical Drive ALERT: Initialization FailedEvent Type"Alert

Event Messages D-19Terminal[2183] LG_ Logical Drive NOTICE: Starting RebuildEvent Type"Alert "Warning !Not

Functional Description 1-10If the failed drive is not swapped but a local spare is added to thelogical drive, rebuild will begin with the spare.If t

InfortrendD-202-Line LCDLG=_ Expansion CompletedTerminal[2188] Expansion of Logical Drive_ CompletedEvent Type"Alert "Wa

Event Messages D-212-Line LCDC:_ I:_ Starting CloneTerminal[21a1] LG_ Logical Drive NOTICE: CHL:_ ID:_ Starting CloneEvent Type"Alert

InfortrendD-22General Target Events:Alert:SAF-TE Device:2-Line LCDSAFTE_: Power (_) Failure DetectedTerminal[3F21] SAF-TE Device (_) ALERT: Power Supp

Event Messages D-23Controller On-board:2-Line LCDCPU (_._) Temp DetectedTerminal[3f23] Peripheral Device ALERT: CPU Temperature <high/lowthreshold&

InfortrendD-242-Line LCDHigh/Low +3.3V Voltage Detected (_.__)Terminal[3F21] Peripheral Device ALERT: +3.3V <upper/lower threshold>Voltage Detec

Event Messages D-25I2C Device:2-Line LCDTemp Sensor_ Failure DetectedTerminal[3F23] Peripheral Device ALERT: Temperature Sensor_ FailureDetectedEvent

InfortrendD-26Terminal[3F22] Peripheral Device ALERT: <high/low threshold> Fan_ SpeedDetected (_RPM)Event Type!Alert "War

Event Messages D-27

InfortrendD-28SES Device:2-Line LCD(_._) Power Supply_: Device Not SupportedTerminal[3f21] SES (C_I_) Power Supply_: <Vendor descriptor strings/Dev

Event Messages D-29Terminal[3f22] SES (C_I_) Cooling element_: <Vendor descriptor strings/DeviceNot Installed>!Event Type!Alert

Infortrend1-113. Concurrent Rebuild in RAID (0+1)RAID (0+1) allows multiple drive failures and rebuild to beconcurrently conducted on more than one o

InfortrendD-30Terminal[3f23] SES (C_I_) Temperature Sensor_: <Vendor descriptorstrings/Device Unknown Status>!Event Type!Alert

Event Messages D-31Terminal[3f24] SES (C_I_) UPS_: <Vendor descriptor strings/Device NotAvailable>!Event Type!Alert "Warn

InfortrendD-32Terminal[3f21] SES (C_I_) Current Sensor_: <Vendor descriptor strings/DeviceNot Supported>!Event Type!Alert &quo

Event Messages D-33General Peripheral Device:2-Line LCDPower Supply Failure DetectedTerminal[3f21] Peripheral Device ALERT: Power Supply Failure Detec

InfortrendD-34Notification:SAF-TE Device:2-Line LCDSAF-TE_: Fan(_) Back to On-LineTerminal[3fa2] SAF-TE (_) NOTICE: Fan Back On-LineEvent Type"Al

Event Messages D-35Controller Self Diagnostics:2-Line LCDCPU Temp Back Non-CriticalTerminal[3fa3] CPU <high/low threshold> Temperature Back to N

InfortrendD-362-Line LCDContlr FAN_ Back On-Line (__)Terminal[3fa2] NOTICE: Controller FAN_ Back On-Line (_RPM)Event Type"Alert

Event Messages D-372-Line LCDPower Supply_ Back On-LineTerminal[3fa1] NOTICE: Power Supply_ Back On-LineEvent Type"Alert "

InfortrendD-38SES Device:Alert:2-Line LCDPower Supply_ Failure DetectedTerminal[3f21] SES (C_I_) Power Supply_: Power Supply Failure DetectedEvent Typ

Event Messages D-39General Peripheral Device:2-Line LCDPower Supply Failure DetectedTerminal[3f21] Peripheral Device ALERT: Power Supply Failure Detec

Functional Description 1-121.7 Logical Volume (Multi-Level RAID)What is a logical volume?Figure 1 - 15 Logical VolumeLogicalVolumeLogicalDriveLogica

Index-1 AAccess Mode: ReadOnly or Read/Write8-19Active-to-ActiveConfiguration10-11, 10-17Active-to-StandbyConfiguration10-17Adding a SCSIChannel’s ID:

InfortrendIndex-2CommunicationsChannel: Fibre8-7Communications overdrive loops8-13concurrent rebuild inRAID (0+1)1-11Configuration on Disk B-2Configur

Index-3failureDisabling Password:LCD5-35Disabling Password:terminal7-36Disconnecting Support:LCD5-32Disconnecting Support:terminal7-32disk access dela

InfortrendIndex-4LLCD Title DisplayController Name: LCD5-37LCD Title DisplayController Name:terminal7-37local spare drive,deleting7-24Local Spare: LCD

Index-5Mode-1 RAIDExpansionB-4Mode-2 RAIDExpansionB-4motor spin-up 9-18Multi-ThreadedOperationB-3mute beeper: LCD 5-34Mute Beeper: terminal 7-34Nnamin

InfortrendIndex-6RAID (5+0) 1-17RAID 0 1-4RAID 1 1-4RAID 3 1-5RAID 5 1-5RAID Expansion:Example12-12RAID Expansion 12-1RAID expansion withlogical volum

Index-7Disks: terminalScanning New Drive:terminal7-23Scanning New Drive:LCD5-23SCSI channel ID,deleting5-27SCSI channel ID,setting5-26SCSI channel pri

InfortrendIndex-8tag count, maximum 9-21tag count, maximum:LCD5-32Terminal 3-1, 3-3, 3-11Terminal emulation:terminology6-2Terminator, SCSIchannel: LCD

Infortrend1-13Figure 1 - 16 Logical Drive Composed of 24 DrivesRAID 5 Logical Drive 24 drives, 1 redundancy driveConfiguration A - One logical drive w

Functional Description 1-14minimized to reduce the possibility of having two drives to fail atthe same time.Configuration A is a large logical drive

Infortrend1-15Limitations:The logical volume can not have any logical drive stated as "fatalfailed.” If there is any failed drive in any of its

Functional Description 1-16Different write policies within a logical volume?As members of a logical volume, all logical drives will be forced to ado

Infortrend1-17logical drive. If a controller fails, the host I/Os originally assignedto the failed controller will be taken over by the existing cont

ivTable of ContentsChapter 1 RAID Functions: An Introduction1.1 Logical Drive...

RAID Planning2-1RAID PlanningThis chapter summarizes the procedures and provides some usefultools for first-time configuration:2.1 Considerations: thi

Infortrend2-2larger drives can be more efficient than that of many butsmaller drives.3. How many drives would you like to appear to thehost computer?

RAID Planning2-3Optimization ModeFigure 2 - 1 Optimization SettingYou should select an optimization scheme best suited to yourapplications before conf

Infortrend2-4Table 2 - 1 RAID LevelsRAID Level Description Capacity Data AvailabilityNRAID Non-RAID N N/ARAID 0 Disk Striping N ==NRAIDRAID 1 (0+1)

RAID Planning2-52.2Configuring the Array: 2.2.1 Starting a RAID SystemHere is a flowchart illustrating basic steps to be taken whenconfiguring a RAID

Infortrend2-6NOTE:• A "Logical Drive" is a set of drives grouped together to operate under agiven RAID level and it appears as a single cont

RAID Planning2-72.3 Operation Theory 2.3.1 I/O Channel, SCSI ID, and LUNDepending on the interface used by a RAID system, a SCSI drivechannel (SCSI bu

Infortrend2-8Figure 2 - 5 Physical locations of drive membersA drive can be assigned as the Local Spare Drive that serves onespecific logical drive, o

RAID Planning2-92.3.3 Making Arrays Available to HostsFigure 2 - 7 Mapping Partitions to Host ID/LUNsHost ID mapping is a process that associates a l

RAID Planning2-102.4 Tunable ParametersFine-tune the controller and the array parameters for your hostapplications. Although the factory defaults gua

v3.1.1 Configuring RS-232C Connection via Front Panel ...23.1.2 Starting RS-232C Terminal Emulation...

Infortrend2-11➀ Date and timeN/A➀ Time zone+ 8 hrsOptimization Mode:➀ Write-back CacheEnabled Disabled➀ Array stripe sizeRelated to controller g

RAID Planning2-12Array Configuration:➀ Disk reserved space256MB 64KB – backward compatible➁ Array assignmentPrimarycontrollerSecondary controller➀

Out-of-Band via Serial Port and Ethernet3-1Accessing the Array through Serial Port and Ethernet 3.1 RS-232C Serial PortInfortrend’s controllers and su

Infortrend3-23.1.1 Configuring RS-232C Connection via Front PanelTake the following steps to change the baud rate using the frontpanel keypad:Press EN

Connecting Terminal3-33.1.2 Starting RS-232C Terminal EmulationThe keys used when operating via the terminal are as follows:←←←← →→→→ ↑↑↑↑ ↓↓↓↓To sele

Infortrend3-43.2 Out-of-Band via EthernetThe RAIDWatch manager software provides graphical interface to thesubsystem. Before you can access the RAID

Connecting Terminal3-5Other ConcernsAvailability Concern:For safety reason, it is better to create a reserved space on more than onelogical drive.What

Infortrend3-63.2.2 Configuring the ControllerTo prepare the controller for using the RAIDWatch manager, do thefollowing:1. Use a Terminal Emulator to

Connecting Terminal3-7When formatted, a meta-filesystem is created on the 256MB reservedspace. A drive configured with a reserved space will be state

Infortrend3-83. Login as “root” and there is no password for the first login. Press Enterto skip password entry.4. Use the “put” command to transfe

vi5.9 Viewing and Editing Logical Drives and Drive Members...16Deleting a Logical Drive...

Connecting Terminal3-93.2.3 NPC Onboard NPC is short for Notification Processing Center, a sub-module foruse with system event notification.To activa

Infortrend3-10The SNMP_TRAP section[SNMP_TRAP] – section header[ENABLED] – 1=enabled, 0=disabled (applies to this section only)[SEVERITY] - level of s

LCD Screen Messages4-1LCD Screen Messages4.1 The Initial ScreenStatus/Data Transfer Indicator:Ready There is at least one logical drive or logical vo

Infortrend4-24.3 Logical Drive StatusLogical Drive:The Logical Drive number.RAID level:The RAID level used in this logical driveDrive numbers:The num

Infortrend4-34.4 Logical Volume StatusLogical Volume:The Logical Volume number.DRV=x:The number of logical drive(s) containedin this logical volume.L

LCD Screen Messages4-44.5 SCSI Drive StatusDrive Status:LG=x INInitializingLG=x LNOn-line (already a member of a logicalconfiguration)LG=x RBRebuildi

Infortrend4-54.6 SCSI Channel StatusChannel Mode:Host Host Channel modeDrive Drive Channel modeDefault SCSI Bus Sync Clock:80.0M The default setting

LCD Screen Messages4-64.7 Controller Voltage and TemperaturePress ENT for two seconds to enter theMain Menu. Press ▼ or ▲ to select"View and Edit

Infortrend4-74.8 Cache Dirty PercentageThe LCD panel indicates the cache dirty percentage. The amber-colored “busy” light blinking on front panel als

Front Panel Operation5-1LCD Keypad Operation5.1 Power on RAID EnclosureBefore you start to configure a RAID system, make sure thathardware installatio

viiChapter 6 Terminal Screen Messages6.1 The Initial Screen...

Infortrend5-2Database and Transaction-based Applications:This kind of applications usually include SQL server, Oracle server,Informix, or other data b

Front Panel Operation5-3Optimization for Random or Sequential I/OSelect from main menu “View and EditConfig Parms,” “Caching Parameters,”and press ENT

Infortrend5-4IMPORTANT!• Every time you change the Caching Parameters, you must reset thecontroller for the changes to take effect.• In the Redundant

Front Panel Operation5-55.3 View Connected Drives:A RAID system consists of many physical drives that can bemodified and configured as the members of

Infortrend5-65.4 Creating a Logical DriveTo create a logical drive, press ENT fortwo seconds to enter the Main Menu.Use ▼ or ▲ to navigate through th

Front Panel Operation5-7Maximum Drive Capacity:Choose “Maximum Drive Capacity,”then press ENT. The maximum drivecapacity refers to the maximumcapacity

Infortrend5-8Users may proceed with arrayconfiguration, e.g., including this arrayin a logical volume.Array initialization can take a long time especi

Front Panel Operation5-9The Off-Line Mode:The controller will start to initialize thearray parity if using the “Off-line”mode. Note that if NRAID or

Infortrend5-105.5 Creating a Logical VolumePress ENT for two seconds to enter theMain Menu. Press ▼ or ▲ to select"View and Edit Logical Volume,

Front Panel Operation5-11seconds to display the confirm box.Press ENT for two seconds to startinitializing the logical volume.The logical volume has

viiiDeleting Spare Drive (Global / Local Spare Drive)...247.12 Viewing and Editing SCSI Channels ...

Infortrend5-125.6 Partitioning a Logical Drive/LogicalVolumePartitioning, as well as the creation of logical volume, are not therequirements for creat

Front Panel Operation5-135.7 Mapping a Logical Volume/LogicalDrive to Host LUNThe process of mapping a logical drive is identical to that ofmapping a

Infortrend5-14you can map the whole capacity to ahost LUN.Mapping information will be displayedon the subsequent screen. Press ENTfor two seconds to

Infortrend5-15Adding a Global Spare DrivePress ENT for two seconds to enter theMain Menu. Press ▼ or ▲ to select"View and Edit SCSI Drives,"

Front Panel Operation5-16NOTE:• The rebuild priority determines how much of controller resources isconducted when rebuilding a logical drive. The def

Front Panel Operation5-17Deleting a Partition of a Logical DrivePress ENT for two seconds to enter theMain Menu. Press ▼ or ▲ to select"View and

Front Panel Operation5-18Assigning a Name to a Logical DrivePress ENT for two seconds to enter theMain Menu. Press ▼ or ▲ to select"View and Edi

Infortrend5-19When rebuilding is already started orthe logical drive is being rebuilt by aLocal Spare Drive or Global SpareDrive, choose “Rebuild Prog

Front Panel Operation5-20Media ScanMedia Scan is used to examine drives and is able to detect thepresence of bad blocks. If any data blocks have not

Infortrend5-21Write Policy From the Main Menu, press ▼ or ▲ toselect "View and Edit Logical Drives".The first logical drive displays. If you

ixPrimary and Secondary Controller IDs:...6Redundant Controller Cache Coherency Channel (RC

Front Panel Operation5-225.10 Viewing and Editing Host LUNsViewing and Deleting LUN MappingsPress ENT for two seconds to enter theMain Menu. Press ▼

Infortrend5-23WARNING!• Pass-through SCSI Commands are only intended to perform maintenancefunctions for a drive or device on the drive side. Do not p

Front Panel Operation5-24An empty drive entry is added for thischannel/SCSI ID for enclosuremanagement. The drive status is“ABSENT.”To clear the empty

Infortrend5-25Deleting Spare Drive (Global / Local Spare Drive)Press ENT for two seconds to enter theMain Menu. Press ▼ or ▲ to select"View and E

Front Panel Operation5-26IMPORTANT!• Every time you change channel mode, you must reset the controller for thechanges to take effect.Setting a SCSI Ch

Infortrend5-27Deleting a Channel IDPress ENT on an existing host channelID you want to delete. Press ▼ or ▲ tochoose “Delete Channel SCSI ID," t

Front Panel Operation5-28Channel information will be displayed.Press ENT on the drive channel youwish the ID changed.Press ▼ or ▲ to select “Set SCS

Infortrend5-29Its current status will be displayed onthe LCD. Press ENT to continue.Press ENT again for two seconds tochange the terminator mode to

Front Panel Operation5-30Setting Transfer WidthThe controller supports 8-bit SCSI and 16-bit SCSI. Enable “WideTransfer” to use the 16-bit SCSI funct

Infortrend5-31Press ▼ or ▲ to select “View and EditSCSI Target,” then press ENT.Press ▼ or ▲ to select a SCSI target,then press ENT.Slot NumberTo set