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Overview

PCI Architecture

PERC 5 controllers support a PCI-E x8 host interface. PCI-E is a high-performance I/O bus architecture
designed to increase data transfers without slowing down the Central Processing Unit (CPU). PCI-E goes
beyond the PCI specification and is intended as a unifying I/O architecture for various systems such as,
desktops, workstations, mobiles, server, communications, and embedded devices.

Operating System Support

The PERC 5 controllers support the following operating systems:

•

Microsoft

®

Windows

®

2000 Server family

•

Windows Server

®

2003 (includes Standard, Enterprise, and Small Business Servers)

•

Windows Server 2003 DataCenter

•

Windows XP

•

Windows Vista™

•

Red Hat

®

Enterprise Linux

®

3, Red Hat Enterprise Linux 4, and Red Hat Enterprise Linux 5

•

SUSE

®

Linux Enterprise Server 9 and SUSE Linux Enterprise Server 10

NOTE:

See driver release on

www.dell.com

for specific operating system service pack requirements.

NOTE:

Microsoft Windows XP is supported with a PERC 5 controller only when the controller is installed in a

Dell Precision™ workstation.

NOTE:

See the system documentation located at the Dell Support website at

support.dell.com

for the latest list of

supported operating systems and driver installation instructions.

RAID Description

RAID is a group of multiple independent physical disks that provide high performance by increasing the
number of drives used for saving and accessing data. A RAID disk subsystem improves input/output
(I/O) performance and data availability. The physical disk group appears to the host system as either a
single storage unit or multiple logical units. Data throughput improves because several disks are accessed
simultaneously. RAID systems also improve data storage availability and fault tolerance. Data loss caused
by a physical disk failure can be recovered by rebuilding missing data from the remaining data or parity
physical disks.

NOTICE:

In the event of a physical disk failure, you cannot rebuild data on a RAID 0 virtual disk.

Summary of RAID Levels

RAID 0 uses disk striping to provide high data throughput, especially for large files in an environment
that requires no data redundancy.

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Содержание PowerEdge 5/E

Страница 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Model UCP 50 and UCP 51 Dell PowerEdge Expandable RAID Controller 5 i and 5 E User s Guide Dell_PERC5_UG book Page 1 Tuesday February 13 2007 6 02 PM ...

Страница 2: ...Dell_PERC5_UG book Page 2 Tuesday February 13 2007 6 02 PM ...

Страница 3: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell PowerEdge Expandable RAID Controller 5 i and 5 E User s Guide Dell_PERC5_UG book Page 1 Tuesday February 13 2007 6 02 PM ...

Страница 4: ...er whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo PowerEdge PowerVault Dell Precision and OpenManage are trademarks of Dell Inc MegaRAID is a registered trademark of LSI Logic Corporation Microsoft MS DOS Windows Server and Windows are registered trademarks and Windows Vista is a trademark of Microsoft Corporation Intel i...

Страница 5: ... 12 Operating System Support 12 RAID Description 12 Summary of RAID Levels 12 RAID Terminology 13 Disk Striping 13 Disk Mirroring 13 Parity 14 2 PERC 5 Features 15 PERC 5 Controller Features 15 Compatibility With Virtual Disks Created on Existing PERC 5 Controllers 16 SMART Technology 17 Background Initialization 17 LED Operation 17 Disk Roaming 18 Disk Migration 18 Alarm Alert in Case of Physical...

Страница 6: ... Configuration 23 Patrol Read Modes 23 Behavior Details 23 Blocked Operations 23 3 Hardware Installation and Configuration 25 Installing the PERC 5 E Adapter 25 Installing the Transportable Battery Backup Unit TBBU for PERC 5 E 27 Installing the DIMM on a PERC 5 E Adapter 28 Transferring a TBBU Between Controllers 30 Removing the PERC 5 E Adapter 30 Removing the DIMM and Battery from a PERC 5 E Ad...

Страница 7: ...ver Diskette 43 Installing the Driver 44 Installing the Driver Using an Update RPM 44 Installing the SUSE Linux Enterprise Server Version 9 or 10 Driver 45 Installing the Driver Using an Update RPM 45 Installing SUSE Linux Enterprise Server Using the Driver Update Diskette 46 5 RAID Configuration and Management 49 Dell OpenManage Storage Management 49 SAS RAID Storage Manager 49 BIOS Configuration...

Страница 8: ...LED Blinking 64 Managing Dedicated Hot Spares 64 Creating Global Hot Spares 65 Removing Global or Dedicated Hot Spares 65 Enabling the Alarm to Alert in Case of Physical Disk Failures 66 Checking Data Consistency 66 Stopping Background Initialization 67 Performing a Manual Rebuild of an Individual Physical Disk 67 Deleting Virtual Disks 67 Deleting Disk Groups 68 Upgrading Firmware 68 Enabling Boo...

Страница 9: ...FCC Class A 82 FCC Class B 82 Industry Canada Canada Only 83 Industry Canada Class A 83 Industry Canada Class B 83 CE Notice European Union 84 CE Notice European Union 84 MIC Notice Republic of Korea Only 92 VCCI Japan Only 93 CNCA China Only 94 CNCA Class A 94 información NOM únicamente para México 95 Corporate Contact Details Taiwan Only 95 Glossary 99 Index 109 Dell_PERC5_UG book Page 7 Tuesday...

Страница 10: ...8 Contents Dell_PERC5_UG book Page 8 Tuesday February 13 2007 6 02 PM ...

Страница 11: ...uct only from the type of external power source indicated on the electrical ratings label If you are not sure of the type of power source required consult your service provider or local power company Handle batteries carefully Do not disassemble crush puncture short external contacts dispose of in fire or water or expose batteries to temperatures higher than 60 degrees Celsius 140 degrees Fahrenhe...

Страница 12: ...d always ground both yourself and the peripheral before connecting it to the computer In addition as you work inside the computer periodically touch an I O connector to remove any static charge your body may have accumulated You can also take the following steps to prevent damage from electrostatic discharge When unpacking a static sensitive component from its shipping carton do not remove the com...

Страница 13: ...management Troubleshooting information Regulatory information and notices PERC 5 Controller Descriptions The following list includes a description of each type of controller The PERC 5 E Adapter with two external x4 SAS ports and a transportable battery backup unit TBBU The PERC 5 i Adapter with two internal x4 SAS ports with or without a battery backup unit depending on the system The PERC 5 i In...

Страница 14: ...ontroller is installed in a Dell Precision workstation NOTE See the system documentation located at the Dell Support website at support dell com for the latest list of supported operating systems and driver installation instructions RAID Description RAID is a group of multiple independent physical disks that provide high performance by increasing the number of drives used for saving and accessing ...

Страница 15: ...rleaved in a repeated sequential manner The part of the stripe on a single physical disk is called a strip For example in a four disk system using only disk striping used in RAID level 0 segment 1 is written to disk 1 segment 2 is written to disk 2 and so on Disk striping enhances performance because multiple physical disks are accessed simultaneously but disk striping does not provide data redund...

Страница 16: ...sks RAID level 5 combines distributed parity with disk striping as shown in Figure 1 3 Parity provides redundancy for one physical disk failure without duplicating the contents of entire physical disks However parity generation can slow the write process Figure 1 3 Example of Distributed Parity RAID 5 NOTE Parity is distributed across multiple physical disks in the disk group Stripe element 1 Stri...

Страница 17: ... x4 internal wide port 2 x4 internal wide port Processor Intel IOP333 I O processor with Intel XScale Technology Intel IOP333 I O processor with Intel XScale Technology Intel IOP333 I O processor with Intel XScale Technology Battery Backup Unit Yes Transportable Yesa Yes Cache Memory 256 MB DDR2 cache memory size 256 MB DDR2 cache memory size 256 MB DDR2 cache memory size Cache Function Write back...

Страница 18: ... of Virtual Disks per Disk Group Up to 16 virtual disks per disk group RAID 0 16 RAID 1 16 RAID 5 16 RAID 10 1 RAID 50 1 Up to 16 virtual disks per disk group RAID 0 16 RAID 1 16 RAID 5 16 RAID 10 1 RAID 50 1 Up to 16 virtual disks per disk group RAID 0 16 RAID 1 16 RAID 5 16 RAID 10 RAID 50 1 Multiple Virtual Disks per Controller Up to 64 virtual disks per controller Up to 64 virtual disks per co...

Страница 19: ...arity on the virtual disks BGI is an automated check for media errors in which parity is created and written in the process BGI does not run on RAID 0 virtual disks NOTE You cannot permanently disable BGI If you cancel BGI it automatically restarts within five minutes See Stopping Background Initialization on page 67 for information on stopping BGI The background initialization rate is controlled ...

Страница 20: ... The PERC 5 controllers are not backward compatible with previous SCSI PERC RAID controllers When a controller detects a physical disk with a pre existing configuration it flags the physical disk as foreign and generates an alert indicating that a foreign disk was detected Dedicated hot spares are imported as global hot spares The firmware generates an alert to indicate a change in hot spare confi...

Страница 21: ...er completion to the host system Write Back versus Write Through In write through caching the controller sends a data transfer completion signal to the host system when the disk subsystem has received all the data in a transaction The controller then writes the cached data to the storage device when system activity is low or when the write buffer approaches capacity In write back caching the contr...

Страница 22: ...ycle Completion Time Frame The time frame for completion of a learn cycle is a function of the battery charge capacity and the discharge charge currents used For PERC 5 the expected time frame for completion of a learn cycle is approximately seven hours and consists of the following parts Learn cycle discharge cycle approximately three hours Learn cycle charge cycle approximately four hours Learn ...

Страница 23: ...ttached Online RAID level migration Yes Yes Disk roaming Yes Yes No reboot necessary after capacity expansion Yes Yes User specified rebuild rate Yes Yes Table 2 3 Fault Tolerance Features Specification Feature Support for SMART Yes Support for Patrol Read Yes Physical disk failure detection Automatic Physical disk rebuild using hot spares Automatic Parity generation and checking RAID 5 only Yes B...

Страница 24: ...ation can find and possibly resolve any potential problem with physical disks prior to host access This can enhance overall system performance because error recovery during a normal I O operation may not be necessary You can use the storage management application to perform Patrol Read functions Patrol Read Behavior The following is an overview of Patrol Read behavior 1 Patrol Read runs on all dis...

Страница 25: ...s completed 3 When Patrol Read Mode is changed from Auto to Manual or Auto to Disabled the Next execution will start at field will be set to N A Behavior Details The behavior details of Patrol Read are as follows 1 Setting Patrol Read in Manual mode does not start Patrol Read It only sets the mode so that you can select Start whenever you want to run Patrol Read When the mode is set to Manual it r...

Страница 26: ...24 PERC 5 Features Dell_PERC5_UG book Page 24 Tuesday February 13 2007 6 02 PM ...

Страница 27: ...or more information on power supplies 3 Disconnect the system from the network and remove the cover of the system See your system s Hardware Owner s Manual for more information on opening the system 4 Select an empty PCI Express PCI E slot Remove the blank filler bracket on the back of the system aligned with the PCI E slot you have selected 5 Align the PERC 5 E Adapter to the PCI E slot you have ...

Страница 28: ...e Owner s Manual for more information on closing the system 9 Connect the cable from the external enclosure to the controller See Figure 3 2 Figure 3 2 Connecting the Cable From the External Enclosure 10 Reconnect the power cable s and network cables and then turn on the system filler bracket PCI E slot PERC 5 E Adapter bracket screw cable from the external enclosure system connector on the contro...

Страница 29: ...ON When unpacking static sensitive component from its shipping carton do not remove the component from the antistatic packing material until you are ready to install the component Just before unwrapping the antistatic package ensure that you discharge static electricity from your body NOTICE When transporting a sensitive component first place it in an antistatic container or packaging NOTE Handle ...

Страница 30: ...ss any of the components inside the system Before performing any procedure see your Product Information Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge NOTICE PERC 5 cards support DELL qualified 256 MB DDRII 400MHz ECC registered DIMMs with x16 DRAM components Installing unsupported memory causes the system to hang ...

Страница 31: ...the memory socket of the controller and apply a smooth downward pressure on both ends or on the middle of the memory module until the retention clips fall into the allotted slots on either side of the memory module See Figure 3 4 NOTE Figure 3 4 displays the installation of a memory module on a PERC 5 E Adapter Figure 3 4 Installing a DIMM memory socket retention clip PERC 5 E Adapter memory modul...

Страница 32: ...Unit TBBU for PERC 5 E on page 27 5 Insert the new controller into the system See the relevant sections on installing controllers under Installing the PERC 5 E Adapter on page 25 6 Turn on the system The controller flushes the cache data to the virtual disks Removing the PERC 5 E Adapter This section describes how to remove the PERC 5 E from a system NOTE In the event that the SAS cable is acciden...

Страница 33: ...d in a system 1 Perform a controlled shutdown on the system in which the PERC 5 E Adapter is installed as well as any attached storage enclosures and remove the PERC 5 E Adapter from the system by following the instructions detailed in Removing the PERC 5 E Adapter on page 30 2 Visually inspect the controller and determine whether the dirty cache LED on the DIMM is illuminated See Figure 3 6 If th...

Страница 34: ...rom the adapter by pressing down on the tabs at each edge of the DIMM connector and lifting the TBBU off the adapter 4 Disconnect the battery cable from the DIMM 5 Detach the battery from the DIMM by pressing out on the battery clips inserted through the DIMM and rotating the battery off the DIMM See Figure 3 7 dirty cache LED PERC 5 E Adapter memory module battery Dell_PERC5_UG book Page 32 Tuesd...

Страница 35: ... when installed on a Dell Precision workstation or a PowerEdge SC server 1 Unpack the PERC 5 i Adapter and check for damage NOTE Call Dell Technical support if the controller is damaged 2 Turn off the system and attached peripherals and disconnect the system from the electrical outlet See your system s Hardware Owner s Manual for more information on power supplies 3 Disconnect the system from the ...

Страница 36: ...M connector CAUTION Electrostatic discharge can damage sensitive components Always use proper antistatic protection when handling components Touching components without using a proper ground can damage the equipment Figure 3 8 Installing the PERC 5 i Adapter 7 Tighten the bracket screw if any or use the system s retention clips to secure the controller to the system s chassis 8 Connect the cables ...

Страница 37: ...not have a BBU This section describes how to remove the PERC 5 i Adapter or PERC 5 i while it is installed in a system 1 Perform a controlled shutdown on the system in which the PERC 5 i is installed 2 Disconnect the system from the electrical outlet and remove the cover of the system CAUTION Running a system without the system cover installed may cause damage due to improper cooling NOTE For more...

Страница 38: ...cluded with the system for specific information on where the PERC 5 i is located If the LED is not illuminated continue with the next step Figure 3 10 PERC 5 i Adapter Dirty Cache LED Location 4 Disconnect the data cables and battery cable from the PERC 5 i 5 Remove any retention mechanism such as a bracket screw that might be holding the PERC 5 i in the system and gently lift the controller from ...

Страница 39: ...Perform a controlled shutdown on the system in which the PERC 5 i is installed and remove the PERC 5 i from the system by following the instructions detailed in the section Removing the PERC 5 i Adapter on page 35 CAUTION Running a system without the system cover installed can cause damage due to improper cooling 2 Remove the DIMM by pressing down on the tabs at each edge of the DIMM connector and...

Страница 40: ...ause damage due to improper cooling NOTE For more information on removing and replacing the system cover see the Hardware Owner s Manual that shipped with the system 3 Determine whether the dirty cache LED on the controller is illuminated If the LED is illuminated replace the system cover reconnect the system to power turn on the system and repeat step 1 and step 2 See Figure 3 10 NOTE The locatio...

Страница 41: ...ibility The two methods for installing a driver that are discussed in this chapter are During operating system installation Use this method if you are performing a new installation of the operating system and want to include the drivers Updating existing drivers Use this method if the operating system and PERC 5 controller are already installed and you want to update to the latest drivers Creating...

Страница 42: ...Press Enter again to continue the installation process as usual Installing a Windows Server 2003 Windows Vista Windows 2000 or XP Driver for a New RAID Controller Perform the following steps to configure the driver for the RAID controller on a system that already has Windows installed NOTE Windows Vista has PERC 5 driver native on the Windows Vista installation CD For the latest supported drivers ...

Страница 43: ...on the Hardware tab 3 Click Device Manager The Device Manager screen appears 4 Double click on SCSI and RAID Controllers NOTE In Windows Vista PERC is listed under Storage Controllers 5 Double click the RAID controller for which you want to update the driver 6 Click the Driver tab and click Update Driver The Upgrade Device Driver Wizard screen appears 7 Insert the appropriate driver diskette 8 Sel...

Страница 44: ...se to the proper location and select the driver 7 Select Next if selected unallocated space is the target location 8 Select Advance to create a partition for the operating system If a partition is manually created it should at least be 10 GB NOTE See the Windows Vista user documentation to determine the partition size 9 Select Next The operating system installation starts on the highlighted choice...

Страница 45: ...kage 2 Execute tar xvf on the package Note that the package contains DKMS RPM the driver RPM dkms enabled and the Driver Update Diskette DUD image s 3 Use the dd command to create a driver update disk Use the appropriate image for the purpose dd if name of the dd image file of dev fd0 4 Use the diskette for operating system installation as described later in this section File and Directories Neede...

Страница 46: ...versions 3 and 4 and the appropriate driver 1 Boot normally from the Red Hat Enterprise Linux installation CD 2 At the command prompt type Linux expert dd 3 When the install prompts for a driver diskette insert the diskette and press Enter See Creating a Driver Diskette on page 39 for information about creating a driver diskette 4 Complete the installation as directed by the installation program T...

Страница 47: ...ell com Installing the Driver Using an Update RPM The following procedure explains the installation procedure for the SUSE Linux Enterprise Server version 9 or 10 operating system and the appropriate RAID driver using an update RPM Installing the RPM Package With DKMS Support Perform the following steps to install the RPM package with DKMS support 1 Uncompress the zipped file of the DKMS enabled d...

Страница 48: ...the following steps to install SUSE Linux Enterprise Server version 9 or 10 using the DUD See Creating a Driver Diskette on page 39 for information about creating a driver diskette 1 Insert the appropriate SUSE Linux Enterprise Server version 9 or 10 Service Pack SP CD in the system 2 Select Installation from the menu options 3 Select the following key for the driver update disk depending on the S...

Страница 49: ...minal window dkms build m module_name v module version k kernel version dkms install m module_name v module version k kernel version 2 To check whether the driver is successfully installed in the new kernel type dkms status You must see a message similar to the following one on the screen to confirm installation driver name driver version new kernel version installed Dell_PERC5_UG book Page 47 Tue...

Страница 50: ...48 Driver Installation Dell_PERC5_UG book Page 48 Tuesday February 13 2007 6 02 PM ...

Страница 51: ...ven with features for novice and advanced users and detailed online help The command line interface is fully featured and scriptable Using Dell OpenManage Storage Management you can protect your data by configuring data redundancy assigning hot spares or rebuilding failed physical disks SAS RAID Storage Manager SAS RAID Storage Manager is a storage management application for PowerEdge SC servers a...

Страница 52: ...he BIOS Configuration Utility when you boot the system 1 Turn on and boot the system A BIOS banner displays information about the controller and configuration 2 During bootup press Ctrl R when prompted by the BIOS banner After you press Ctrl R the Virtual Disk Management menu screen displays by default This screen displays the controllers virtual disks physical disks free space hot spares and othe...

Страница 53: ...in a popup window such as the stripe element size menu and select a setting Word wrap is supported Virtual Disks Virtual Disk 1 Underlined letter in a menu heading on the menu bar Indicates a shortcut you can use by pressing Alt underlined letter To use this feature the menu must be activated Menu shortcuts are allowed but cannot be used when a menu is active Adapter Underlined letter in a menu it...

Страница 54: ... menu screens VD Mgmt PD Mgmt Ctrl Mgmt and Foreign View When you return to the original menu the cursor will be on the same menu item it was on before you pressed Ctrl N Press Ctrl N on the VD Mgmt screen to move to the PD Mgmt screen Ctrl P Press Ctrl P to move to the previous menu screen among the main menu screens VD Mgmt PD Mgmt Ctrl Mgmt and Foreign View When you return to the previous scree...

Страница 55: ...s on page 64 for more information 2 Define virtual disks using the group of physical disks NOTE A disk group is deleted when the last virtual disk in the disk group is deleted 3 Save the configuration information 4 Initialize the virtual disks See Setting Up Virtual Disks on page 58 for the detailed configuration procedures BIOS Configuration Utility Menu Options This section describes the options...

Страница 56: ...ace allocation and hot spares as shown in Table 5 2 Table 5 2 Information on the Virtual Disk Management Screen Menu Item Selected in Left Frame Information That Displays in Right Frame Controller Number of disk groups DG Number of virtuals disks VD Number of physical disks PD Disk Group Number of virtuals disks VD Number of physical disks PD Space available on the physical disks Number of free se...

Страница 57: ... Number of free segments Number of dedicated hot spares Physical Disk Vendor name Physical disk size Physical disk state Number of virtuals disks VD Number of physical disks PD Space available on the physical disks Number of free segments Number of dedicated hot spares Space Allocation Number of virtuals disks VD Number of physical disks PD Space available on the physical disks Number of free segm...

Страница 58: ...al disk from one or more physical disks Manage dedicated hot spares Creates or deletes a hot spare that can be dedicated to a single redundant virtual disks Initialize a virtual disk Initializes the selected virtual disk Every virtual disk that is configured must be initialized Check data consistency on a virtual disk Verifies the correctness of the redundancy data in the selected virtual disk Thi...

Страница 59: ...k Actions Table 5 5 describes the actions you can perform on the Ctrl Mgmt screen See Setting Up Virtual Disks on page 58 for procedures you can use to perform these actions Table 5 4 Physical Disk Options Option Description Rebuild Regenerates all data to a replacement disk in a redundant virtual disk RAID level 1 5 10 or 50 after a disk failure A disk rebuild normally occurs without interrupting...

Страница 60: ...e Controller BIOS Select this option to enable the controller BIOS If the boot device is on the RAID controller the BIOS must be enabled Disable the BIOS to use other boot devices In a multiple controller environment you can enable BIOS on multiple controllers However if you want to boot from a specific controller then enable the BIOS on that controller and disable it on the other controllers The ...

Страница 61: ...ontain a battery backup will default to write back caching In Write Through caching the controller sends a data transfer completion signal to the host when the disk subsystem has received all the data in a transaction NOTE Certain data patterns and configurations perform better with Write through cache policy Write Back caching has a performance advantage over write through caching Read Policy Rea...

Страница 62: ... megabyte MB format NOTE For RAID levels 0 1 and 5 only you can use part of the available disk space to create one virtual disk and then use the rest of the disk space to create another virtual disk or disks 11 Press Tab to move the cursor to Advanced Settings 12 Press the spacebar to make the settings active so that you can change them An X displays next to Advanced Settings The settings are the ...

Страница 63: ...w or select Cancel and press Enter to exit if you do not want to change any virtual disk parameters Initializing Virtual Disks Perform the following steps to initialize virtual disks 1 On the VD Mgmt screen select Virtual Disk and press F2 to display the menu of available actions 2 Select Initialization and press the right arrow key to display the Initialization submenu options 3 Select Start Init...

Страница 64: ...ting them 5 Select Import to import the foreign configuration or Clear to delete the foreign configuration and then press Enter If you import the configuration the VD Mgmt displays detailed configuration information This includes information about the disk groups virtual disks physical disks space allocation and hot spares Importing or Clearing Foreign Configurations Using the Foreign Configuratio...

Страница 65: ...isplay the complete virtual disk across different foreign configurations and allow foreign configurations to be imported b Press F2 to display the options Import or Clear NOTE You must have all the drives in the enclosure before you perform the import operation c Select Import to merge the foreign configurations with the existing configuration on the controller or Clear to delete the foreign confi...

Страница 66: ...D Mgmt screen select Disk Group and press F2 to display the menu of available actions The available menu options appear 2 Select Manage Ded HS and press Enter A screen displays a list of the current dedicated hot spares and the physical disks that are available to create dedicated hot spares An X displays next to the current dedicated hot spares NOTE The utility allows only disks of the same drive...

Страница 67: ...them to global hot spares Removing Global or Dedicated Hot Spares You can remove one global or dedicated hot spare at a time on the PD Mgmt screen Perform the following steps to remove a global hot spare or dedicated hot spare 1 Press Ctrl N to access the PD Mgmt screen A list of physical disks displays The status of each disk displays under the heading State 2 Press the down arrow key to highligh...

Страница 68: ...ption in the configuration utility to verify the redundancy data in virtual disks that use RAID levels 1 5 10 and 50 RAID 0 does not provide data redundancy NOTE Dell recommends that you run data consistency checks on a redundant array at least once a month This allows detection and automatic replacement of bad blocks Finding a bad block during a rebuild of a failed physical disk is a serious prob...

Страница 69: ...light a physical disk that has a failed state 3 Press F2 to display a menu of available actions The Rebuild option is highlighted at the top of the menu 4 Press the right arrow key to display the rebuild options and select Start 5 After you start the rebuild press Esc to display the previous menu NOTICE If a rebuild operation is in progress on a physical disk that is a member of a disk group that ...

Страница 70: ...he disk group When you delete a disk group the remaining disk groups with higher numbers are automatically renumbered For example if you delete disk group 2 disk group 3 is then automatically renumbered as disk group 2 Upgrading Firmware You can download the latest firmware from the Dell Support website and flash it to the firmware on the controller NOTE Go to the Dell Support website at support d...

Страница 71: ...controller Enabling BIOS Stop on Error The option BIOS Stop on Error is used to stop the system from booting if there are BIOS errors Perform the following steps to enable BIOS Stop on Error 1 Press Ctrl N to access the Ctrl Mgmt menu screen 2 Press Tab to move the cursor to Enable BIOS Stop on Error in the Settings box 3 Press the spacebar to select Enable BIOS Stop on Error An X displays next to...

Страница 72: ...the spacebar to select Advanced An X displays next to Advanced 6 Press Tab to move the cursor to Select Defaults 7 Press the spacebar to select Select Defaults The defaults are automatically selected for the controller settings and display in the Settings box An X displays by each setting which is enabled by default Dell_PERC5_UG book Page 70 Tuesday February 13 2007 6 02 PM ...

Страница 73: ...rupt cached data so the controllers are designed to detect and attempt to recover from these memory errors Single bit memory errors can be handled by the firmware and do not disrupt normal operation A notification will be sent if the number of single bit errors exceeds a threshold value Multi bit errors are more serious as they result in corrupted data and data loss The following are the actions t...

Страница 74: ...s of the message are 1 Press F6 to install the RAID Device Driver during installation 2 Enter the BIOS Configuration Utility to configure the virtual disks See the section RAID Configuration and Management on page 49 for procedures to configure the virtual disks 3 Enter the BIOS Configuration Utility to enable the BIOS See the section Hardware Installation and Configuration on page 25 for procedur...

Страница 75: ...al disk after multiple physical disks become simultaneously inaccessible Perform the following steps to recover the virtual disk 1 Turn off the system check cable connections and reseat physical disks Follow the safety precautions to prevent electrostatic discharge Ensure that all the drives are present in the enclosure 2 Power up the system and enter into the CTRL R utility and import the foreign...

Страница 76: ...output I O operation for every five host I O operations Table 6 4 SMART Error Problem Suggested Solution A SMART error is detected on a physical disk in a redundant virtual disk Perform the following steps 1 Force the physical disk offline 2 Replace it with a new physical disk of equal or higher capacity 3 Perform a rebuild See Performing a Manual Rebuild of an Individual Physical Disk on page 67 ...

Страница 77: ...this warning and continues Shut down the system and try to reseat the controller If this message still occurs contact Dell Technical Support x Virtual Disk s Failed where x is the number of virtual disks failed When the BIOS detects virtual disks in the failed state it displays this warning You should check to determine why the virtual disks failed and correct the problem No action is taken by the...

Страница 78: ...e in an optimal state Clear the foreign configuration using CTRL R or Dell OpenManage Server Administrator Storage Management If a physical disk is inserted into the system that was once a member of a virtual disk and that disk s previous location has been taken by a replacement disk through a rebuild the newly inserted disk that was once a member of the virtual disk must have its foreign configur...

Страница 79: ...es for your system might be improperly connected Check the cable connections and fix any problems then restart the system You may need to restore your data from a backup If there are no cable problems press any key or C to continue Physical disk removed Physical Disk x x x Controller x Connector x Device failed Physical Disk x x x Controller x Connector x These two messages appear in the event log...

Страница 80: ...havior The cache policy of the virtual disk and the I O throughput are not affected by this message The cache policy settings for the PERC5 SAS RAID system remain the settings you have already chosen Driver does not auto build into new kernel after customer updates This error is a generic problem for DKMS and applies to all DKMS enabled driver packages This issue occurs when you perform the follow...

Страница 81: ...kip device smartd 2338 Unable to register SCSI device dev sda at line 1 of file etc smartd conf These error messages are caused by an unsupported command coming directly from the user application This is a known issue in which user applications try to direct Command Descriptor Blocks to RAID volumes This error message has no effect on the user and there is no loss of functionality due to this erro...

Страница 82: ...ble Code Controller alarm enabled Normal N A Virtual disk failed Critical 3 seconds on 1 second off Virtual disk degraded Warning 1 second on 1 second off Global hot spare failed Warning 1 second on 1 second off Dedicated hot spare failed Warning 1 second on 1 second off Physical disk failed Critical 1 second on 1 second off Rebuild completed on physical disk Normal 1 second on 3 seconds off Rebui...

Страница 83: ...lation If this equipment does cause interference with radio communications services which can be determined by turning the equipment off and on you are encouraged to try to correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the computer with respect to the receiver Move the computer away from the receiver Plug the computer into a different out...

Страница 84: ...able protection against harmful interference when the equipment is operated in a commercial environment This product generates uses and can radiate radio frequency energy and if not installed and used in accordance with the manufacturer s instruction manual may cause harmful interference with radio communications Operation of this product in a residential area is likely to cause harmful interferen...

Страница 85: ...ell Inc or an experienced radio television technician for additional suggestions The following information is provided on the device or devices covered in this document in compliance with FCC regulations Industry Canada Canada Only Industry Canada Class A This Class A digital apparatus complies with Canadian ICES 003 Cet appareil numérique de la classe A est conforme à la norme NMB 003 du Canada I...

Страница 86: ...a Class A product In a domestic environment this product may cause radio frequency RF interference in which case the user may be required to take adequate measures European Union Class B This Dell device is classified for use in a typical Class B domestic environment A Declaration of Conformity in accordance with the preceding directives and standards has been made and is on file at Dell Inc Produ...

Страница 87: ...Appendix Regulatory Notices 85 Dell_PERC5_UG book Page 85 Tuesday February 13 2007 6 02 PM ...

Страница 88: ...86 Appendix Regulatory Notices Dell_PERC5_UG book Page 86 Tuesday February 13 2007 6 02 PM ...

Страница 89: ...Appendix Regulatory Notices 87 Dell_PERC5_UG book Page 87 Tuesday February 13 2007 6 02 PM ...

Страница 90: ...88 Appendix Regulatory Notices Dell_PERC5_UG book Page 88 Tuesday February 13 2007 6 02 PM ...

Страница 91: ...Appendix Regulatory Notices 89 Dell_PERC5_UG book Page 89 Tuesday February 13 2007 6 02 PM ...

Страница 92: ...90 Appendix Regulatory Notices Dell_PERC5_UG book Page 90 Tuesday February 13 2007 6 02 PM ...

Страница 93: ...Appendix Regulatory Notices 91 Dell_PERC5_UG book Page 91 Tuesday February 13 2007 6 02 PM ...

Страница 94: ...92 Appendix Regulatory Notices MIC Notice Republic of Korea Only Dell_PERC5_UG book Page 92 Tuesday February 13 2007 6 02 PM ...

Страница 95: ...Appendix Regulatory Notices 93 VCCI Japan Only Dell_PERC5_UG book Page 93 Tuesday February 13 2007 6 02 PM ...

Страница 96: ...94 Appendix Regulatory Notices CNCA China Only CNCA Class A Dell_PERC5_UG book Page 94 Tuesday February 13 2007 6 02 PM ...

Страница 97: ...he following corporate contact details for the certified entity in Taiwan for the computer products addressed by this document Dell B V Taiwan Branch 20 F No 218 Sec 2 Tung Hwa S Road Taipei Taiwan Exportador Dell Inc One Dell Way Round Rock TX 78682 Importador Dell México S A de C V Paseo de la Reforma 2620 11 Piso Col Lomas Altas 11950 México D F Enviar a Dell México S A de C V al Cuidado de Kue...

Страница 98: ...96 Appendix Regulatory Notices Dell_PERC5_UG book Page 96 Tuesday February 13 2007 6 02 PM ...

Страница 99: ...Appendix Regulatory Notices 97 Dell_PERC5_UG book Page 97 Tuesday February 13 2007 6 02 PM ...

Страница 100: ...98 Appendix Regulatory Notices Dell_PERC5_UG book Page 98 Tuesday February 13 2007 6 02 PM ...

Страница 101: ... by the host Battery Backup Unit BBU The battery backup unit protects the integrity of the cached data on the controller by providing backup power if there is a complete AC power failure or a brief power outage BIOS Acronym for basic input output system Your computer s BIOS contains programs stored on a flash memory chip The BIOS controls the following communications between the microprocessor and...

Страница 102: ...oprocessor and memory or between the microprocessor and a peripheral device such as a physical disk or the keyboard In Storage Management the hardware or logic that interacts with storage devices to write and retrieve data and perform storage management RAID controllers perform RAID functions such as striping and mirroring to provide data protection D DDR SDRAM Acronym for Double Data Rate Synchro...

Страница 103: ...ed to create the diskette depend on how the image is supplied E ECC Errors Acronym for error correcting code ECC errors occur in the memory and can corrupt cached data so that it must be discarded Single bit ECC errors can be handled by the firmware and do not disrupt normal operation A notification will be sent if the number of single bit errors exceeds a threshold value ECC double bit errors are...

Страница 104: ... the existing configuration to the RAID controller or clear it so you can create a new one Format The process of writing a specific value to all data fields on a physical disk to map out unreadable or bad sectors Because most physical disks are formatted when manufactured formatting is usually done only if a physical disk generates many media errors G GB Acronym for gigabyte s A gigabyte equals 1 ...

Страница 105: ...rupt cached data so that it has to be discarded ECC double bit errors are serious as they result in corrupted data and data loss In case of double bit ECC errors contact Dell Technical Support N Non Read Ahead Non read ahead is a cache read policy If you select Non read ahead in the BIOS Configuration Utility the controller does not read sequentially ahead of requested data and store the additiona...

Страница 106: ...tiguous segment of storage on a physical disk or virtual disk recognized by an operating system Patrol Read A preventive measure that includes review of your system for possible physical disk errors that could lead to drive failure and damage data integrity The Patrol Read operation can find and possibly resolve any potential problem with physical disks prior to host access This can enhance overal...

Страница 107: ...a single storage unit I O is expedited because several disks can be accessed simultaneously Redundant RAID levels RAID levels 1 5 10 and 50 provide data protection RAID Level Migration RAID level migration RLM changes the array from one RAID level to another It is used to move between optimal RAID levels You can perform a RLM while the system continues to run without having to reboot This avoids d...

Страница 108: ...physical disks disk mirroring or parity to provide redundancy This offers protection in case of a physical disk failure Replacement Disk A physical disk replacing a failed member disk in a virtual disk Replacement Unit A component or collection of components in a system or subsystem that is always replaced as a unit when any part of the collection fails Typical replacement units in a disk subsyste...

Страница 109: ...ment information directly with an attached SAS expander device Each PHY on the controller can function as an SMP initiator Span A RAID technique used to combine storage space from groups of physicals disks into a RAID 10 or 50 virtual disk Spare A physical disk available to replace another physical disk in case that physical disk fails SSP Acronym for Serial SCSI Protocol SSP enables communication...

Страница 110: ...cache to the disk through the new controller V Virtual Disk A virtual disk refers to storage created by a RAID controller from one or more physical disks Although a virtual disk may be created from several physical disks it is seen by the operating system as a single disk Depending on the RAID level used the virtual disk may retain redundant data in case of a disk failure W Write Back In write bac...

Страница 111: ...troller 100 descriptions 11 controller management 57 D dedicated hot spares managing 64 Disk 18 disk groups deleting 68 disk migration 18 disk mirroring 13 disk roaming 18 disk striping 13 display update parameters 56 distributed parity 101 driver diskette 39 driver installation 39 drivers installation 39 Microsoft operating system installation 40 Red Hat Enterprise Linux 43 SUSE LINUX Enterprise ...

Страница 112: ...parity 104 summary of levels 12 RAID levels 105 read policy 59 rebuild 57 manual 67 Red Hat Enterprise Linux 39 creating a driver diskette 43 driver 43 installing the driver 44 regulatory notices 81 replacement disk 106 S safety instructions for preventing ESD 10 SAS 106 cables 72 controller descriptions 11 devices 11 overview 11 SATA 106 SCSIport 107 SMART technology 17 span 107 spare 107 Storpor...

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