Dell PowerEdge Expandable RAID Controller 3 Guide de l'utilisateur

www.dell.com | support.dell.comModel UCP-50 and UCP-51Dell™ PowerEdge™ ExpandableRAID Controller 5/i and 5/EUser’s GuideDell_PERC5_UG.book Page 1 Tu

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Glossary 99GlossaryAAdapterAn adapter enables the computer system to access peripheral devices by converting the protocol of one bus or interface to a

100 Glossarysoftware monitors the addresses of subsequent reads to see if the required data is already stored in cache memory. If it is already in cac

Glossary 101Disk SubsystemA collection of disks and the hardware that controls them and connects them to one or more controllers. The hardware can inc

102 GlossaryFFailed Physical DiskA physical disk that has ceased to function, that consistently functions improperly, or that is inaccessible.Fault To

Glossary 103IInitializationThe process of writing zeros to the data fields of a virtual disk and, in fault tolerant RAID levels, generating the corres

104 GlossaryOnline Capacity ExpansionOperation to add capacity to an existing virtual disk by adding an additional physical disk while the host system

Glossary 105• Failed: A physical disk that was originally configured as Online or Hot Spare, but on which the firmware detects an unrecoverable error.

106 GlossaryRead-AheadA memory caching capability in some controllers that allows them to read sequentially ahead of requested data and store the addi

Glossary 107SCSIportThe SCSIport driver is a feature of the Microsoft® Windows® storage architecture, delivering SCSI commands to the storage targets.

SAFETY: General 9 CAUTION: Safety InstructionsUse the following safety guidelines to help ensure your own personal safety and to help protect your sy

108 GlossaryStripingDisk striping writes data across all physical disks in a virtual disk. Each stripe consists of consecutive virtual disk data addre

Index 109IndexBbackground initialization, 17, 99stopping, 67baseport, 99batteryinstalling transportable battery backup, 27management, 19removing from

110 Index110 IndexMmanual rebuild, 67Ooperating system support, 12operating systems, 12Pparity, 14, 21, 104distributed, 101Patrol Read, 22behavior, 22

10 Protecting Against Electrostatic DischargeIn addition, take note of these safety guidelines when appropriate:• When you disconnect a cable, pull on

Overview 11OverviewThe Dell™ PowerEdge™ Expandable RAID Controller (PERC) 5 family of controllers offers redundant array of independent disks (RAID) c

12 OverviewPCI ArchitecturePERC 5 controllers support a PCI-E x8 host interface. PCI-E is a high-performance I/O bus architecture designed to increase

Overview 13RAID 1 uses disk mirroring so that data written to one physical disk is simultaneously written to another physical disk. This is good for s

14 OverviewDisk mirroring provides 100 percent redundancy, but is expensive because each physical disk in the system must be duplicated. Figure 1-2 sh

PERC 5 Features 15PERC 5 FeaturesThis section describes the features of the The Dell™ PowerEdge™ Expandable RAID Controller (PERC) 5 family of control

16 PERC 5 Features NOTE: The maximum length of cable that you can use for Serial Attached SCSI (SAS) is 4 meters (13 feet) from port to port. This ap

PERC 5 Features 17SMART TechnologyThe Self-Monitoring Analysis and Reporting Technology (SMART) feature monitors the internal performance of all motor

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18 PERC 5 FeaturesDisk RoamingThe PERC 5 controllers support moving physical disks from one cable connection or backplane slot to another on the same

PERC 5 Features 19Battery ManagementThe Transportable Battery Backup Unit (TBBU) is a cache memory module with an integrated battery pack that enables

20 PERC 5 FeaturesConditions Under Which Write-Back is EmployedWrite-back caching is used under all conditions in which the battery is present and in

PERC 5 Features 21RAID Configuration InformationTable 2-2 lists the configuration features for the PERC 5 controllers.Fault Tolerance FeaturesTable 2-

22 PERC 5 FeaturesPhysical Disk Hot SwappingHot swapping is the manual substitution of a replacement unit in a disk subsystem for a defective one, whe

PERC 5 Features 23ConfigurationYou can use the storage management application to select the Patrol Read options. Use Patrol Read options to set automa

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Hardware Installation and Configuration 25Hardware Installation and ConfigurationThis chapter describes how to install the Dell™ PowerEdge™ Expandable

26 Hardware Installation and ConfigurationFigure 3-1. Installing a PERC 5/E Adapter7Tighten the bracket screw, if any, or use the system’s retention c

Hardware Installation and Configuration 27Installing the Transportable Battery Backup Unit (TBBU) for PERC 5/EThis section describes the installation

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28 Hardware Installation and ConfigurationFigure 3-3. Installing a TBBU 4Place the PERC 5/E on a flat, clean, static–free surface.5Mount the memory mo

Hardware Installation and Configuration 292 Align the memory module so that the keyed edge of the memory module is placed exactly on top of the physic

30 Hardware Installation and ConfigurationTransferring a TBBU Between ControllersThe TBBU provides uninterrupted power supply to the memory module for

Hardware Installation and Configuration 31Figure 3-5. Removing the PERC 5/E Adapter NOTE: For more information on removing peripherals installed in th

32 Hardware Installation and ConfigurationFigure 3-6. PERC 5/E Adapter Dirty Cache LED Location CAUTION: Running a system without the system cover ins

Hardware Installation and Configuration 33Figure 3-7. Removing the TBBUInstalling the PERC 5/i Adapter CAUTION: Only trained service technicians are

34 Hardware Installation and Configuration5Align the PERC 5/i Adapter to the PCI-E slot you have selected.6Insert the adapter gently but firmly until

Hardware Installation and Configuration 35Figure 3-9. Connecting Cables to the Controller9Replace the cover of the system. See your system’s Hardware

36 Hardware Installation and Configuration3Determine whether the dirty cache LED on the controller is illuminated. • If the LED is illuminated, replac

Hardware Installation and Configuration 37Figure 3-11. Removing the PERC 5/i Adapter NOTE: See the Hardware Owner's Manual for information on rem

Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your system. NOTICE: A NOTICE warns again

38 Hardware Installation and ConfigurationDisconnecting the BBU from a PERC 5/i Adapter or a PERC 5/i NOTE: A PERC 5/i Adapter installed in a Dell P

Driver Installation 39Driver InstallationThe Dell™ PowerEdge™ Expandable RAID Controller (PERC) 5 family requires software drivers to operate with the

40 Driver InstallationInstalling the Driver During a Microsoft Operating System InstallationPerform the following steps to install the driver during o

Driver Installation 419The wizard detects and installs the appropriate device drivers for the new RAID controller.10Click Finish to complete the insta

42 Driver InstallationInstalling Windows Vista for a New RAID ControllerPerform the following steps to configure the driver when you add the RAID cont

Driver Installation 43Installing the Red Hat Enterprise Linux DriverUse the procedures in this section to install the driver for Red Hat Enterprise Li

44 Driver InstallationCreating a Driver Update DiskettePerform the following steps to create the DUD using the DKMS tool:1Install the DKMS-enabled meg

Driver Installation 45Upgrading the KernelIf you run the up2date utility to upgrade the kernel, you must reinstall the DKMS-enabled driver packages. P

46 Driver InstallationDUD Creation ProcedurePerform the following steps to create the DUD using the DKMS tool.1Install the DKMS-enabled megaraid_sas d

Driver Installation 47Upgrading the KernelIf you run the up2date utility to upgrade the kernel, you must reinstall the DKMS-enabled driver packages. P

Contents 3ContentsCAUTION: Safety Instructions. . . . . . . . . . . . . . . . . . . . . 9SAFETY: General . . . . . . . . . . . . . . . . . . . . . .

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RAID Configuration and Management 49RAID Configuration and ManagementStorage management applications enable you to manage and configure the RAID syste

50 RAID Configuration and ManagementThe following sections will help you attain the basic knowledge needed to use the BIOS Configuration Utility. See

RAID Configuration and Management 51Table 5-1. Menu Navigation KeysNotation Meaning and Use ExampleUse the right arrow key to open a submenu, move fro

52 RAID Configuration and Management NOTE: You may need to press <F5> to refresh the information on the screen.RAID Configuration Functions NO

RAID Configuration and Management 53Use the configuration utilities to perform the following tasks:• Access controllers, virtual disks, and physical d

54 RAID Configuration and ManagementVirtual Disk Management (VD Mgmt)The Virtual Disk Management screen, VD Mgmt, is the first screen that displays wh

RAID Configuration and Management 55In the List View, the Virtual Disk Management screen appears. In this view, the left frame displays the virtual di

56 RAID Configuration and ManagementVirtual Disk ActionsTable 5-3 describes the actions you can perform on virtual disks. See "Setting Up Virtual

RAID Configuration and Management 57Physical Disk ActionsTable 5-4 describes the actions you can perform on physical disks. See "Setting Up Virtu

4 ContentsBattery Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Introduction to Write Cache Policy. . . . . . . . . . .

58 RAID Configuration and ManagementForeign Configuration ViewSelect Foreign Configuration View to display a foreign configuration before you either i

RAID Configuration and Management 59When you define the virtual disks, you can set the virtual disk parameters described in Table 5-6. • Stripe elemen

60 RAID Configuration and ManagementCreating Virtual Disks NOTE: PERC 5 does not support creation of a virtual disk that combines SAS and SATA physic

RAID Configuration and Management 61ePress <Tab> to move the cursor to the Read Policy to change it if desired.fPress <Enter> to display t

62 RAID Configuration and ManagementImporting or Clearing Foreign Configurations Using the VD Mgmt MenuWhen a foreign configuration exists, the BIOS b

RAID Configuration and Management 63Perform the following procedures on the Foreign Configuration View screen to manage foreign configurations in each

64 RAID Configuration and ManagementSetting LED BlinkingThe LED blinking option indicates when physical disks are being used to create a virtual disk.

RAID Configuration and Management 65Creating Global Hot SparesA global hot spare can be used to replace a failed physical disk in any redundant array

66 RAID Configuration and ManagementEnabling the Alarm to Alert in Case of Physical Disk FailuresThe PERC 5/E Adapter uses an audible alarm to alert y

RAID Configuration and Management 67Stopping Background InitializationBackground initialization is the automated check for media errors in which parit

Contents 54 Driver Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Creating a Driver Diskette . . . . . . . . . . . . . . .

68 RAID Configuration and Management3Press <F2>.The action menu appears.4Select Delete VD and press <Enter>.5On the VD Mgmt screen, select

RAID Configuration and Management 693Press the spacebar to select Enable Controller BIOS.An X displays next to Enable Controller BIOS.4Press <Tab&g

70 RAID Configuration and Management3Use the spacebar to deselect the settings for the options in the Settings box.4Press <Tab> to move the curs

Troubleshooting 71TroubleshootingTo get help with your Dell™ PowerEdge™ Expandable RAID Controller (PERC) 5 controller, you can contact your Dell Tech

72 TroubleshootingGeneral ProblemsTable 6-1 describes general problems you might encounter, along with suggested solutions.Physical Disk Related Issue

Troubleshooting 73Physical Disk Failures and RebuildsTable 6-3 describes issues related to physical disk failures and rebuilds.Table 6-3. Physical Dis

74 TroubleshootingSMART ErrorTable 6-4 describes issues related to the Self-Monitoring Analysis and Reporting Technology (SMART). SMART monitors the i

Troubleshooting 75PERC 5 Post Error MessagesIn PERC 5 controllers, the BIOS (read-only memory, ROM) provides INT 13h functionality (disk I/O) for the

76 TroubleshootingFirmware version inconsistency was detected. The adapter hasrecovered, but cached data waslost. Press any key to continue.New firmwa

Troubleshooting 77Invalid SAS topology detected. Please check your cable configurations, repair the problem, and restart your system.The SAS cables fo

6 ContentsBIOS Configuration Utility Menu Options . . . . . . . . . . . . . . . . . . . . 53Virtual Disk Management (VD Mgmt). . . . . . . . . . . .

78 TroubleshootingRed Hat Enterprise Linux Operating System ErrorsTable 6-6 describes an issue related to the Red Hat® Enterprise Linux operating syst

Troubleshooting 79LED Behavior PatternsThe external SAS ports on the PERC 5/E Adapter have a port status LED per x4 SAS port. This bi-color LED displa

80 TroubleshootingTable 6-8 lists the critical and warning events, severity levels of the events, and audible codes. NOTE: If the PERC 5/E alarm was

Appendix: Regulatory Notices 81Appendix: Regulatory NoticesRegulatory NoticesElectromagnetic Interference (EMI) is any signal or emission, radiated in

82 Appendix: Regulatory NoticesA Notice about Shielded Signal Cables: Use only shielded cables for connecting peripherals to any Dell device to reduce

Appendix: Regulatory Notices 83These limits are designed to provide reasonable protection against harmful interference in a residential installation.

84 Appendix: Regulatory NoticesCE Notice (European Union)CE Notice (European Union)This product has been determined to be in compliance with 73/23/EEC

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Contents 7PERC 5 Post Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . 75Red Hat Enterprise Linux Operating System Errors. . . .

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92 Appendix: Regulatory NoticesMIC Notice (Republic of Korea Only)Dell_PERC5_UG.book Page 92 Tuesday, February 13, 2007 6:02 PM

Appendix: Regulatory Notices 93VCCI (Japan Only)Dell_PERC5_UG.book Page 93 Tuesday, February 13, 2007 6:02 PM

94 Appendix: Regulatory NoticesCNCA (China Only)CNCA, Class ADell_PERC5_UG.book Page 94 Tuesday, February 13, 2007 6:02 PM

Appendix: Regulatory Notices 95información NOM (únicamente para México)La información siguiente se proporciona en el dispositivo o dispositivos descri

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