Dell PowerEdge RAID Controller H700 Manuel d'utilisateur

Dell PowerEdge RAIDController (PERC) H700and H800User’s GuidePERC7.2_UG.book Page 1 Thursday, March 3, 2011 2:14 PM

10 ContentsPERC7.2_UG.book Page 10 Thursday, March 3, 2011 2:14 PM

100 Configuring and Managing RAIDMost menus consist of two panels:• A left panel with the menu options• A right panel with details of the items select

Configuring and Managing RAID 101Disk Group # Disk Group # Properties:• Number of virtual disks (VD)• Number of physical disks (PD)• Space available o

102 Configuring and Managing RAIDPhysical Disks Disk Group # Properties:• Number of virtuals disks (VD)• Number of physical disks (PD)• Space availabl

Configuring and Managing RAID 103Hot Spares Physical disk properties:•Vendor name• Physical disk size• Physical disk state• Enclosure Position• Slot P

104 Configuring and Managing RAIDVirtual Disk ActionsTable 6-4 describes the actions you can perform on virtual disks. For procedures you can use to p

Configuring and Managing RAID 105Physical Disk Management (PD Mgmt)The Physical Disk Management screen (PD Mgmt) displays physical disk information an

106 Configuring and Managing RAIDPhysical Disk ActionsTable 6-6 describes the actions you can perform on physical disks. For procedures that can be us

Configuring and Managing RAID 107Controller Management (Ctrl Mgmt)The Controller Management screen (Ctrl Mgmt) displays the product name, package, fir

108 Configuring and Managing RAIDForeign Configuration ViewWhen a foreign configuration is present, you can select Foreign Configuration View to displ

Configuring and Managing RAID 109Creating Global Hot SparesYou can use a global hot spare to replace a failed physical disk in any redundant array as

Safety Instructions 111Safety InstructionsUse the following safety guidelines to help ensure your own personal safety and to help protect your system

110 Configuring and Managing RAID4Press the down-arrow key to select Remove Hot Spare from the list of actions and press <Enter>.The physical di

Configuring and Managing RAID 111Restrictions and LimitationsThe following restrictions and limitations apply to the Replace Member operation:•The Rep

112 Configuring and Managing RAID3Press <F2> to display a menu of available actions.The Rebuild option is highlighted at the top of the menu.Pre

Configuring and Managing RAID 113After you enable the BIOS for a controller, perform the following steps to enable the boot support for that controlle

114 Configuring and Managing RAIDTo enable Auto Import:1Press <Ctrl><N> to access the Ctrl Mgmt menu screen.2Press <Tab> to move the

CacheCade 1157CacheCadeThe Dell PowerEdge RAID Controller (PERC) H700 and H800 cards support CacheCade, a feature that can improve application perform

116 CacheCade• Importing a CacheCade drive may result in a RAID 0 VD. You will need to reconfigure the CacheCade VD after importing.• CacheCade virtua

CacheCade 117To create a CacheCade virtual disk:1During host system bootup, press <Ctrl><R> when the BIOS screen is displayed. The Virtual

118 CacheCadeDelete CacheCade Virtual DiskTo delete CacheCade virtual disks, perform the following steps in the BIOS Configuration Utility:1Press <

CacheCade 119reconfigures and adjusts its size to reflect the addition of the member SSD. The number of SSDs to be removed from a CacheCade virtual di

12 Safety InstructionsWhen Working Inside Your SystemBefore you remove the system covers, perform the following steps in the sequence indicated: CAUT

120 CacheCadePERC7.2_UG.book Page 120 Thursday, March 3, 2011 2:14 PM

Security Key and RAID Management 1218Security Key and RAID ManagementSecurity Key ImplementationDell PowerEdge RAID Controller (PERC) H700 and H800 ca

122 Security Key and RAID ManagementVirtual Disk Management (VD Mgmt)The Virtual Disk Management screen, VD Mgmt, is the first screen that is displaye

Security Key and RAID Management 123 NOTE: There is no passphrase backup option when you create a security key; you need to remember your passphrase.

124 Security Key and RAID ManagementChange Key NOTE: Change Key is active if there is a security key present on the controller.Perform the following

Security Key and RAID Management 125Delete Key NOTE: Delete Key is active if there is a security key present on the controller. NOTE: Delete Key can

126 Security Key and RAID ManagementSecuring Pre-Existing Virtual DisksIf an unsecured virtual disk was created on a controller, you can secure the vi

Security Key and RAID Management 127 NOTE: The PERC H700 or H800 card needs to have a security key present before being able to import a secured virt

128 Security Key and RAID ManagementInstant Secure EraseInstant Secure Erase is the process of permanently erasing all data on an encryption-capable p

Security Key and RAID Management 129Failure to Select or Configure Non Self-Encrypting Disks (non-SED)A virtual disk can be either secured or unsecure

Safety Instructions 13You can also take the following steps to prevent damage from electrostatic discharge:• When unpacking a static-sensitive compone

130 Security Key and RAID ManagementPERC7.2_UG.book Page 130 Thursday, March 3, 2011 2:14 PM

Troubleshooting 1319TroubleshootingTo get help with your Dell PowerEdge RAID Controller (PERC) H700 and H800 cards, you can contact your Dell Technica

132 TroubleshootingCache data was lost, but the controller has recovered. This could be due to the fact that your controller had protected cache after

Troubleshooting 133All of the disks from your previous configuration are gone. If this is an unexpected message, then please power off your system and

134 TroubleshootingThe cache contains dirty data, but some virtual disks are missing or will go offline, so the cached data can not be written to disk

Troubleshooting 135BIOS Disabled. No Logical Drives Handled by BIOSThis warning message is displayed after you disable the ROM option in the configura

136 TroubleshootingThere are offline or missing virtual drives with preserved cache. Please check the cables and ensure that all drives are present.Pr

Troubleshooting 137Memory/Battery problems were detected. The adapter has recovered, but cached data was lost. Press any key to continue.This message

138 TroubleshootingThe foreign configuration message is present during POST but no foreign configurations are present in the foreign view page in CTRL

Troubleshooting 139Invalid SAS topology detected. Please check your cable configurations, repair the problem, and restart your system.The SAS cables f

14 Safety InstructionsPERC7.2_UG.book Page 14 Thursday, March 3, 2011 2:14 PM

140 TroubleshootingSome configured disks have been removed from your system or are no longer accessible. Check your cables and ensure all disks are pr

Troubleshooting 141Degraded State of Virtual DisksA redundant virtual disk is in a degraded state when one or more physical disks have failed or are i

142 TroubleshootingPreserved Cache StateThe controller preserves the dirty cache from a virtual disk if the virtual disk becomes offline or is deleted

Troubleshooting 143Physical Disk Related IssuesTable 9-3 describes physical disk-related problems you might encounter, with suggested solutions.Table

144 TroubleshootingPhysical Disk Failures and Rebuild IssuesTable 9-4 describes issues related to physical disk failures and rebuilds.Table 9-4. Physi

Troubleshooting 145Rebuilding a physical disk after one of them is in a failed state.If you have configured hot spares, the PERC H700 or PERC H800 car

146 TroubleshootingSMART ErrorsTable 9-5 describes issues related to the Self-Monitoring Analysis and Reporting Technology (SMART). SMART monitors the

Troubleshooting 147Replace Member ErrorsTable 9-6 describes issues related to the Replace Member feature. NOTE: For more information about the Repla

148 TroubleshootingLinux Operating System ErrorsTable 9-7 describes issues related to the Linux operating system.Table 9-7. Linux Operating System Err

Troubleshooting 149Driver does not auto-build into new kernel after customer updates.This error is a generic issue for Dynamic Kernel Module Support (

Overview 152OverviewThe Dell PowerEdge RAID Controller (PERC) H700 and H800 family of cards:• Comply with Serial-attached SCSI (SAS) 2.0 providing up

150 Troubleshootingsmartd[smartd[2338] Device: /dev/sda, Bad IEC (SMART) mode page, err=-5, skip devicesmartd[2338] Unable to register SCSI device /de

Troubleshooting 151Disk Carrier LED IndicatorsThe LED on the physical disk carrier indicates the state of each physical disk. Each disk carrier in you

152 TroubleshootingPERC7.2_UG.book Page 152 Thursday, March 3, 2011 2:14 PM

Regulatory Notices 153ARegulatory NoticesFor additional regulatory information, please go to the Regulatory Compliance Homepage on dell.com at the fol

154 Regulatory NoticesPERC7.2_UG.book Page 154 Thursday, March 3, 2011 2:14 PM

Corporate Contact Details (Taiwan Only) 155BCorporate Contact Details (Taiwan Only)Pursuant to Article 11 of the Commodity Inspection Act, Dell provid

156 Corporate Contact Details (Taiwan Only)PERC7.2_UG.book Page 156 Thursday, March 3, 2011 2:14 PM

Glossary 157GlossaryAAdapter CardAn adapter card enables the system to access peripheral devices by converting the protocol of one bus or interface to

158 GlossaryBattery Backup Unit (BBU)The battery backup unit protects the integrity of the cached data on the controller by providing backup power if

Glossary 159adjacent disk sectors. To improve write performance, the cache may temporarily store data in accordance with its write back policies. For

16 OverviewPCI Architecture• The PERC H700 and H800 cards support a PCI-E 2.0 x8 host interface.• The PERC H700 Modular cards support a PCI-E 2.0 x4 h

160 GlossaryDefault Encryption StateThe encryption state to which an encryption enabled component reverts at power-on (or after an internal reset such

Glossary 161Disk RoamingMoving disks from one slot to another on a controller.Disk SubsystemA collection of disks and the hardware that controls them

162 GlossaryEnclosure ManagementIntelligent monitoring of the disk subsystem by software and/or hardware. The disk subsystem can be part of the host s

Glossary 163FFailed Physical DiskA physical disk that has ceased to function, that consistently functions improperly, or that is inaccessible.Fault To

164 GlossaryHot SwapReplacement of a failed component while the system is running and operating normally.IInitializationThe process of writing zeros t

Glossary 165MMBMegabyte(s). The term megabyte means 1,048,576 bytes (2^20 bytes); however, when referring to disk storage, the term is often rounded t

166 GlossaryNon-Volatile CacheA cache module with flash-based storage to preserve cache data indefinitely. This replaces the need for a battery backup

Glossary 167Patrol ReadA preventive measure that includes review of your system for possible physical disk errors that could lead to disk failure and

168 GlossaryRAID Level MigrationRAID level migration (RLM) changes the array from one RAID level to another. It is used to move between optimal RAID l

Glossary 169ReconstructThe act of remaking a virtual disk after changing RAID levels or adding a physical disk to an existing virtual disk.RedundancyT

Overview 17RAID DescriptionRAID is a group of independent physical disks that provides high performance by increasing the number of disks used for sav

170 GlossaryReplacement UnitA component or collection of components in a system or subsystem that is always replaced as a unit when any part of the co

Glossary 171Related term: Not SecuredSecure Disk GroupIndicates that a disk group comprised of security-capable physical disks is secured.Secure Migra

172 GlossarySpanningThe method by which nested RAID levels (such as RAID 10, 50, and 60) are constructed from multiple sets of basic, or single RAID l

Glossary 173StripingDisk striping writes data across all physical disks in a virtual disk. Each stripe consists of consecutive virtual disk data addre

174 GlossaryWrite-ThroughIn Write-Through caching mode, the controller sends a data transfer completion signal to the host when the disk subsystem has

Index 175IndexBBackground Initialization, 25background initialization, 25, 157stopping, 111baseport, 157batterymanagement, 28removing from PERC 5/E Ad

176 IndexFfault tolerance, 32features, 32foreign configuration, 108Foreign Configuration View, 108full initialization, 25Hhot swap, 164hot swapping, 3

Index 177management, 81summary of levels, 17RAID level, 86RAID levels, 168read policy, 87rebuild, 106manual, 111Red Hat Enterprise Linuxcreating a dri

178 IndexPERC7.2_UG.book Page 178 Thursday, March 3, 2011 2:14 PM

18 Overview• RAID 50 is a combination of RAID 0 and RAID 5 where a RAID 0 array is striped across RAID 5 elements. RAID 50 requires at least six disks

Overview 19Disk MirroringWith mirroring (used in RAID 1), data written to one disk is simultaneously written to another disk. If one disk fails, the c

Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indica

20 OverviewThe parity data is distributed across all the physical disks in the system. If a single physical disk fails, it can be rebuilt from the par

Storage Controller Features 213Storage Controller FeaturesThis section describes the features of the Dell PowerEdge RAID Controller (PERC) H700 and H8

22 Storage Controller FeaturesBBU (Backup Battery Unit)Optional Optional Yes Optional, Tr an sp or t ab leNon-Volatile CacheOptional Optional No Optio

Storage Controller Features 23 NOTE: The maximum array size is limited by the maximum number of disks per span (32), the maximum number of spans per

24 Storage Controller FeaturesPhysical Disk Power ManagementThe PERC H700 and H800 cards can be configured to spin down certain hard drives after a se

Storage Controller Features 25Initializing Virtual DisksYou can initialize the virtual disks as described in the following sections.Background Initial

26 Storage Controller FeaturesFast Initialization of Virtual DisksA fast initialization on a virtual disk overwrites the first and last 8 MB of the vi

Storage Controller Features 27The controller detects the RAID configuration from the configuration data on the physical disks.Disk MigrationThe PERC H

28 Storage Controller FeaturesCompatibility With Virtual Disks Created on PERC 6 and H200 CardsVirtual disks that are created on the PERC 6 and H200 f

Storage Controller Features 29Virtual Disk Write Cache PoliciesThe write cache policy of a virtual disk determines how the controller handles writes t

Contents 3Contents1 Safety Instructions . . . . . . . . . . . . . . . . . 11General Safety Instructions . . . . . . . . . . . . . . . 11When Worki

30 Storage Controller FeaturesConditions Under Which Write-Through is EmployedWrite-Through caching is used under all conditions in which the battery

Storage Controller Features 31Reconfiguring Virtual DisksAn online virtual disk can be reconfigured in ways that expands its capacity and/or change it

32 Storage Controller FeaturesTable 3-2. RAID Level MigrationSource RAID LevelTarget RAID LevelRequired Number of Physical Disks (Beginning)Number of

Storage Controller Features 33 NOTE: The total number of physical disks in a disk group cannot exceed 32. You cannot perform RAID level migration and

34 Storage Controller Features• Battery and optional Non-Volatile Cache backup of controller cache to protect data• Detection of batteries with low ch

Storage Controller Features 35Redundant Path With Load Balancing SupportThe PERC H800 adapter can detect and use redundant paths to disks contained in

36 Storage Controller FeaturesAutomatic Replace Member with Predicted FailureA Replace Member operation can occur when there is a SMART predictive fai

Storage Controller Features 37Cache Preservation With BatteryThe lithium-ion battery included in the BBU/TBBU of the controller is an inexpensive way

38 Storage Controller FeaturesBattery Learn CycleLearn cycle is a battery calibration operation performed by the controller periodically to determine

Storage Controller Features 39•Patrol Read adjusts the amount of controller resources dedicated to Patrol Read operations based on outstanding disk I/

4 ContentsConsistency Checks . . . . . . . . . . . . . . . . . . . 26Disk Roaming. . . . . . . . . . . . . . . . . . . . . . . 26Disk Migration. .

40 Storage Controller FeaturesPERC7.2_UG.book Page 40 Thursday, March 3, 2011 2:14 PM

Installing and Configuring Hardware 414Installing and Configuring Hardware WARNING: All work must be performed at an Electrostatic Discharge (ESD)-sa

42 Installing and Configuring Hardware NOTE: The PERC H700 Integrated and H700 Modular cards have a dedicated storage slot. For details on the correc

Installing and Configuring Hardware 43Figure 4-2. Installing a PERC H700 Adapter7Tighten the bracket screw, if any, or use the system’s retention clip

44 Installing and Configuring HardwareFigure 4-3. Connecting the Cable From the External Enclosure10For the PERC H700 adapter, connect the cables from

Installing and Configuring Hardware 45Figure 4-4. Connecting Cables to the Controller11Replace the cover of the system. For more information on closin

46 Installing and Configuring HardwareRemoving the PERC H700 and H800 Adapters NOTE: In the event that the SAS cable is accidentally pulled out when

Installing and Configuring Hardware 47Figure 4-5. Removing the PERC H800 Adapter5Disconnect the data cables and battery cable from the PERC H700. Remo

48 Installing and Configuring HardwareFigure 4-6. Removing the PERC H700 Adapter1 bracket screw 2 Dirty Cache LED3 PERC H700 controller312PERC7.2_UG.b

Installing and Configuring Hardware 49Removing and Installing the PERC H700 Modular Card in Dell Blade Systems NOTE: For more information on removing

Contents 5Patrol Read. . . . . . . . . . . . . . . . . . . . . . . . 384 Installing and Configuring Hardware. . . . . 41Installing the PERC H700 an

50 Installing and Configuring HardwareFigure 4-7. Removing and Installing the Storage Controller CardTo install your new storage controller card:1Unpa

Installing and Configuring Hardware 515Close the top cover of the Blade system. For more information on closing the top cover of the Modular Blade sys

52 Installing and Configuring HardwareFigure 4-8. Removing the DIMM From a PERC H7001 DIMM support 2 dirty cache LED3 DIMM 4 tab5 PERC H700 Adapter1 2

Installing and Configuring Hardware 53Installing the DIMM on a PERC H700 CAUTION: PERC H700 Modular cards, shipped in PowerEdge blade systems, have a

54 Installing and Configuring HardwareFigure 4-10. Mounting the DIMM Support onto the DIMM3Align the keyed edge of the DIMM to the physical divider on

Installing and Configuring Hardware 55Figure 4-11. Installing a DIMM on a PERC H7001 PERC H700 2 retention clip3 memory socket 4 DIMM5 dirty cache LED

56 Installing and Configuring HardwareReplacing the BBU on a PERC H7001Perform a controlled reboot of the system and enter the PERC H700 BIOS Configur

Installing and Configuring Hardware 57Figure 4-13. PERC H700 (Modular) Dirty Cache LED Location3Locate the battery cable connection near the edge of t

58 Installing and Configuring HardwareRemoving the TBBU or TNVC From a PERC H800 Adapter NOTE: Both the TBBU and TNVC on the PERC H800 Adapter consis

Installing and Configuring Hardware 59Figure 4-14. Removing the TBBU From a PERC H800 Adapter1 battery 2 dirty cache LED3 DIMM 4 PERC H800 Adapter1 2

6 ContentsPre-Installation Requirements . . . . . . . . . . . 70Installing Driver During a Windows Server 2003Operating System Installation. . . .

60 Installing and Configuring HardwareReplacing the Battery and Battery Cable Onto the DIMM of a PERC H800 Adapter1With the old TBBU or TNVC removed f

Installing and Configuring Hardware 61Figure 4-16. Installing the Battery and Battery Cable onto the DIMMInstalling the TBBU or TNVC on a PERC H800 Ad

62 Installing and Configuring Hardware2Align the keyed edge of the DIMM to the physical divider on the memory socket to avoid damage to the module.3In

Installing and Configuring Hardware 63Transferring a TBBU or TNVC Between PERC H800 CardsThe TBBU or TNVC provides uninterrupted power supply for up t

64 Installing and Configuring HardwareSetting up Redundant Path Support on the PERC H800 AdapterThe PERC H800 adapter can detect and use redundant pat

Installing and Configuring Hardware 65Figure 4-18 displays redundant path storage configuration with one enclosure.Figure 4-18. Redundant Path Support

66 Installing and Configuring HardwareFigure 4-20 displays redundant path storage configuration with three enclosures.Figure 4-20. Redundant Path Supp

Installing and Configuring Hardware 67Figure 4-21. Redundant Path Support Configuration With Four Enclosures NOTE: Ensure that the latest firmware ver

68 Installing and Configuring HardwarePERC7.2_UG.book Page 68 Thursday, March 3, 2011 2:14 PM

Driver Installation 695Driver InstallationThe Dell PowerEdge RAID Controller (PERC) H700 and H800 cards require software drivers to operate with the s

Contents 7Creating Virtual Disks. . . . . . . . . . . . . . . . 88Initializing Virtual Disks . . . . . . . . . . . . . . . 91Checking Data Consist

70 Driver InstallationPre-Installation RequirementsBefore you install the operating system:• Read the Microsoft Getting Started document that shipped

Driver Installation 715Select the System Type, Operating System, Driver Language, and Category from the drop-down list. 6The drivers that are applicab

72 Driver InstallationInstalling Driver During a Windows Server 2008, Windows Server 2008 R2 Installation1Boot the system using the Windows Vista, Win

Driver Installation 739The wizard detects and installs the appropriate device drivers for the new RAID controller.10Click Finish to complete the insta

74 Driver Installation NOTE: Dell provides the Dell Update Package (DUP) to update drivers on systems running Windows Server 2003, Windows Server 200

Driver Installation 75USB key method (Red Hat Enterprise Linux only): Transfer the appropriate .img file to a USB key.System Floppy Disk slot method:

76 Driver InstallationCreating a Driver Update Diskette Using DKMSPerform the following steps to create the Driver Update Diskette (DUD) using the DKM

Driver Installation 77Installing SUSE Linux Enterprise Server Using the Driver Update Diskette NOTE: For information about creating a driver diskette

78 Driver InstallationInstalling the RPM Package With DKMS SupportPerform the following steps to install the RPM package with DKMS support:1Uncompress

Driver Installation 79Installing Solaris Driver NOTE: The DUD images are created only for those operating system releases in which the native (in-box

8 ContentsCacheCade Virtual Disk Management . . . . . . 116Create CacheCade Virtual Disk . . . . . . . . . . 116Delete CacheCade Virtual Disk. . .

80 Driver InstallationInstalling Solaris 10 on a PowerEdge System Booting From a PERC H700 or H800 CardTo install the driver during Solaris 10 operati

Configuring and Managing RAID 816Configuring and Managing RAIDDell OpenManage Storage Management applications enable you to manage and configure the R

82 Configuring and Managing RAIDBIOS Configuration UtilityThe BIOS Configuration Utility, also known as <Ctrl><R>, is a storage management

Configuring and Managing RAID 83Exiting the Configuration UtilityTo exit the BIOS Configuration Utility, press <Esc> at any menu screen. If ther

84 Configuring and Managing RAIDdown-arrow keyUse the down-arrow key to move to the lower menu items within a menu or to a lower level menu. You can a

Configuring and Managing RAID 85Setting Up Virtual DisksYou can set up a disk group and create virtual disks using the procedures contained in this se

86 Configuring and Managing RAIDWhen you define the virtual disks, you can set the following virtual disk parameters:•RAID level• Stripe element size•

Configuring and Managing RAID 87Write Policy Write Policy specifies the controller write policy. You can set the write policy to Write-Back or Write-T

88 Configuring and Managing RAIDVirtual Disk ManagementCreating Virtual Disks NOTE: Combining SAS and SATA hard drives within a virtual disk is not s

Configuring and Managing RAID 899Use the arrow key to highlight a physical disk and press the spacebar, <Alt>, or <Enter> to select the di

Contents 9Preserved Cache State . . . . . . . . . . . . . . . . . 142General Issues. . . . . . . . . . . . . . . . . . . . . . 142Physical Disk Rel

90 Configuring and Managing RAIDfPress <Enter> to display the options (No Read Ahead, Read Ahead, or Adaptive Read Ahead). Press the down-arrow

Configuring and Managing RAID 91Initializing Virtual Disks CAUTION: A Full Initialization permanently destroys any existing data on that virtual disk

92 Configuring and Managing RAID3Press <F2> to display the menu of available actions.4Press the down-arrow key to select Consistency Check.5Pres

Configuring and Managing RAID 934Navigate to the Foreign Config option and press the right arrow key to display the available actions: Import and Clea

94 Configuring and Managing RAIDThe following constraints apply to the physical disks that are considered for import:• The disk state of a physical di

Configuring and Managing RAID 952If all the physical disks in a virtual disk are removed at different times and re-inserted, the controller considers

96 Configuring and Managing RAIDManaging Preserved CacheIf a virtual disk becomes offline or is deleted because of missing physical disks, the control

Configuring and Managing RAID 97Managing Dedicated Hot SparesA dedicated hot spare automatically replaces a failed physical disk only in the selected

98 Configuring and Managing RAIDDeleting Virtual Disks NOTE: You cannot delete a virtual disk during an initialization. NOTE: Warning messages appear

Configuring and Managing RAID 99Clearing the ConfigurationYou can delete all virtual disks on the RAID controller by performing the operation.To clear