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www .dell.com | support.dell.com Model UCP-60 , UCP-61, and UCC-60 Dell™ PERC 6/i, PERC 6/E and CERC 6/i User’ s Guide Dell_PERC6.1_UG.book Page 1 We dnesday, April 15, 2009 4:18 PM.
Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your sy stem. NOTICE: A NOTICE warns against either poten tial damage to hardware or of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury , or death.
Contents 3 Contents A CAUTION: Safety Instructions . . . . . . . . . 11 SAFETY : General . . . . . . . . . . . . . . . . . . . . . 11 SAFETY : When Working Inside Y our Sy stem . . . . . . 12 Protecting Against Elec trostatic Discharge . . . . . . 12 SAFETY : Battery Disposal .
4 Contents Initializing Virtual Disks . . . . . . . . . . . . . . . . . 25 Background Initialization . . . . . . . . . . . . . . 25 Full Inititialization of Virtual Disks . . . . . . . . . . 26 Fast Inititialization of Virtual Disks . . . . . . . . . 26 Consistency Checks .
Contents 5 Redundant Path With Load Balancing Support . . . . . . . . . . . . . . . . . 37 Using Replace Member and Revertible Hot Spares . . . . . . . . . . . . . . . 37 Patrol Read . . . . . . . . . . . . . . . . . . . . . . . . 38 Patrol Read Feature .
6 Contents 4 Installing the Drivers . . . . . . . . . . . . . . . 63 Installing Windows Driver . . . . . . . . . . . . . . . . 64 Creating the Driver Media . . . . . . . . . . . . . 64 Pre-Installation Requirements . . . . . . . . . . . 64 Installing the Driver During a Windows Server 2003 or Windows XP Operating Sy stem Installation .
Contents 7 Installing NetWare Driver . . . . . . . . . . . . . . . . 75 Installing the NetW are Driver in a New NetW are Sy stem . . . . . . . . . . . . . . 75 Installing or Updating the NetW are Driver in an Existing NetW are Sy stem . . . . . . . 76 5 Configuring and Managing RAID .
8 Contents Phy sical Disk Management . . . . . . . . . . . . . . 104 Setting LED Blinking . . . . . . . . . . . . . . . 104 Creating Global Hot Spares . . . . . . . . . . . . 104 Removing Global or Dedicated Hot Spares . . . . 105 Replacing an Online Phy sical Disk .
Contents 9 Linux Operating Sy stem Errors . . . . . . . . . . . . . 125 Controller LED Indicators . . . . . . . . . . . . . . . . 127 Drive Carrier LED Indicators . . . . . . . . . . . . . . . 128 B Regulatory Notices . . . . . . . . . . . . . . . . 131 C Corporate Contact Details (T aiwan Only) .
10 Contents Dell_PERC6.1_UG.book Page 10 We dnesday, April 15, 2009 4:18 PM.
SAFETY : General 11 CAUTION: Safety Instructions Use the following safety guidelines to help ensure your own personal safety and to help protect your system and working environment from potential damage. CAUTION: There is a danger of a new battery explodi ng if it is incorrectly installed.
12 SAFETY : General SAFETY : When W orking Inside Y our Sy stem Before you r emove the system co vers, perform the following step s in the sequence indicated.
SAFETY : General 13 Y ou can also take the following steps to pr event damage from el ectrostatic dischar ge: • When unpacking a static-sensitive component fr om its shipping carton, do not remove the component from the antistatic packing materi al until you are ready to install the component.
14 SAFETY : General Dell_PERC6.1_UG.book Page 14 We dnesday, April 15, 2009 4:18 PM.
Overview 15 Overview The Dell™ P owerEdge™ Expandable R A ID Controller (PERC) 6 family of controllers and the Dell Cost-Effectiv e R AID Controller (CERC) 6/i offer redundant array of independent disks (R AI D) control capabilities.
16 Overview Each controller supports up to 64 virtual disks. NOTE: The number of virtual disks supported by the PERC 6/i and the CERC 6/i cards is limited by the config uration supported by the sy stem. PCI Architecture PERC 6 controllers support a P eripheral Component Interconnect Express (PCI-E) x8 host interface.
Overview 17 RAID Description R AID is a group of independent physical disks that provides high performance by increasing the number of drives used fo r saving and accessing data. A R AID disk subsystem improves I/O pe rformance and data availability .
18 Overview RAID T erminology Disk Striping Disk striping allows you to write data ac ross multiple physical disks instead of just one physical disk. Di sk striping involves partiti oning each physical disk storage space into stripes of the follow ing sizes: 8 KB, 16 KB, 32 KB, 64 KB, 128 KB, 256KB, 512KB, and 1024KB.
Overview 19 Disk mirroring provides 100 percent redundancy , but is expensive because each physical disk in the system must be duplicated. F igure 2-2 shows an example of disk mirroring. NOTE: Mirrored phy sical disks improve read performance by read load balance.
20 Overview Figure 2-3. Example of Distributed Parity (RAID 5) NOTE: Parity is distributed across multiple phy sical disks in the disk group. Figure 2-4. Example of Dual Distributed Parity (RAID 6) NOTE: Parity is distributed across all drives in the array .
About PERC 6 and CERC 6i Controllers 21 About PERC 6 and CERC 6i Controllers This section describes the features of the Dell™ P owerEdge™ Expandable R AID Controller (PERC) 6 and Dell Co st-Effect.
22 About PERC 6 and CERC 6i Controllers Cache Memory 256-MB DDRII cache memory size Optional 512- MB DIMM 256-MB DDRII cache memory size 256-MB DDRII cache memory size 128-MB DDRII cache memory size C.
About PERC 6 and CERC 6i Controllers 23 Support for x8 PCI Express host interface Ye s Ye s Ye s Ye s Online Capacity Expansion Ye s Ye s Ye s Ye s Dedicated and Global Hot Spares Ye s Ye s Ye s Ye s .
24 About PERC 6 and CERC 6i Controllers NOTE: The maximum array size is limited by the maximum number of drives per disk group (32), the maximum number of spans per disk group (8), and the size of the phy sical drives.
About PERC 6 and CERC 6i Controllers 25 A SMAR T failure is also r eferred to as a predicted failur e. There ar e numerous factors that r elate to predicted physical disk failures, such as a bearing failur e, a broken r ead/write head, and changes in spin-up rate.
26 About PERC 6 and CERC 6i Controllers Full Inititialization of Virtual Disks P erforming a full initialization on a virtual disk overwrites all blocks and destroys any data that previously e xisted on the virtual disk.
About PERC 6 and CERC 6i Controllers 27 By default, consistency check automa tically corrects mirror or parity inconsistencies. However , you can enable the Abort Consistency Check on Error feature on the controller using Dell™ OpenManage™ Storage Management.
28 About PERC 6 and CERC 6i Controllers When a controller detects a physical disk with a pre-e xisting configuration, it flags the physical disk as foreign , and it generates an alert indicating that a foreign disk was detected. CAUTION: Do not attempt disk roaming during RL M or CE.
About PERC 6 and CERC 6i Controllers 29 Compatibility With Virtual Disks Created on SAS 6/iR Controllers The migration of virtual disks created on the SAS 6/iR family of controllers can be migrated to PERC 6 and CER C 6i.
30 About PERC 6 and CERC 6i Controllers 4 Boot the system and import the foreig n configuration that is detected. Y ou can do this in two ways as described below : • Pr ess <F> to automaticall.
About PERC 6 and CERC 6i Controllers 31 Battery Warranty Information The BBU offers an inexpensive way to protect the data in cache memory . The lithium-ion battery provides a way to store mor e power in a smaller form factor than previous batteries. The BBU shelf life has been preset to last six months from the time of shipment without power .
32 About PERC 6 and CERC 6i Controllers Learn Cycle Completion T ime Frame The time frame for completion of a lea rn cycle is a function of the battery charge capacity and the dischar ge/charge currents used.
About PERC 6 and CERC 6i Controllers 33 Conditions Under Which Write-Back is Employed W rite-Back caching is used under all cond itions in which the battery is present and in good condition.
34 About PERC 6 and CERC 6i Controllers Reconfiguring V irtual Disks There ar e two different methods to reconfi gur e RAID virtual disks — R AID L evel Migration and Online Capacity Expansion.
About PERC 6 and CERC 6i Controllers 35 NOTE: The total number of phy sical disks in a disk group cannot exceed 32. NOTE: Y ou cannot perform RAID level migrati on and expansion on RAID levels 10, 50, and 60. RAID 1 RAID 5 2 3 or more Y es Removes redundancy while doubling capacity .
36 About PERC 6 and CERC 6i Controllers Fault T olerance Features T able 3-3 lists the features that provide fault tolerance to pr event data loss in case of a failed physical disk. Phy sical Disk Hot Swapping Hot swapping is the manual substitut ion of a replacement unit in a disk subsystem for a defective one.
About PERC 6 and CERC 6i Controllers 37 Failed Phy sical Disk Detection The controller automatically detects and rebuilds failed physical disks when a new drive is placed in the slot wher e the failed drive r esided or when an applicable hot spare is pr esent.
38 About PERC 6 and CERC 6i Controllers Automatic Replace Member with Predicted Failure A Replace Member operation can occur when ther e is a SMAR T predictive failure r eporting on a drive in a virtual disk. The automatic Replace Member is initiated when the first SMAR T error occurs on a physical disk that is part of a virtual disk.
About PERC 6 and CERC 6i Controllers 39 3 P at ro l Rea d adjusts the amount of controller resources dedicated to P atrol Rea d operations based on outstanding disk I/O . F or example, if the system is busy processing I/O operation, then P atrol Read uses fewer resources to allow the I/O to take a higher priority .
40 About PERC 6 and CERC 6i Controllers Dell_PERC6.1_UG.book Page 40 We dnesday, April 15, 2009 4:18 PM.
Installing and Configuring Hardware 41 Installaing and Configuring Hardware CAUTION: Only trained service technicians are authorized to remove the sy stem cover and access any of the components ins ide the sy stem.
42 Installing and Configuring Hardware Figure 4-1. Installing a PERC 6/E Adapter 1 bracket screw 3 PCI-e slot 2 PERC 6/i adapter 4 filler brackets 2 3 4 1 Dell_PERC6.
Installing and Configuring Hardware 43 Figure 4-2. Installing a PERC 6/i Adapter 7 Tighten the brack et screw , if any , or use the system’s retention clips to secure the controller to the system’s chassis. 8 F or PERC 6/E adapter , replace th e cover of the system.
44 Installing and Configuring Hardware 9 Connect the cable from the extern al enclosur e to the controller . See F igure 4-3. Figure 4-3. Connecting the C able From the External Enclosure 10 F or PERC 6/i adapter , connect the cables from the backplane of the system to the controller .
Installing and Configuring Hardware 45 Figure 4-4. Connecting Cables to the Controller 11 Replace the cover of the system. F o r more information on closing the system, see your system’s Hardware Owner’s Manual . 12 Reconnect the power cables(s) and netw ork cables, and turn on the system.
46 Installing and Configuring Hardware 1 Unpack the TBBU and follow all antistatic procedures. NOTICE: When transporting a sensit ive component, first plac e it in an antistatic container or packaging. NOTE: Handle all sensitive components in a static-safe area.
Installing and Configuring Hardware 47 5 Mount the memory module in the co ntroller memory socket lik e a standard DIMM. F or mor e informati on, see "Installing the DIMM on a PERC 6/E Adapter" on page 47. The memory module is mounted flush with the board so that the memory module is parallel to the board when installed.
48 Installing and Configuring Hardware Figure 4-6. Installing a DIMM 1 PERC 6/E adapter 3 memory socket 2 retention clip 4 memory module 3 2 1 4 Dell_PERC6.
Installing and Configuring Hardware 49 T ransferring a TBBU Between Controllers The TBBU provides uninterrupted power supply to the memory module for up to 72 hours (for a 256 MB of cont roller cache memory) backup power and up to 48 hours (for a 512 MB cac he) if power supply is unexpectedly interrupted while cached data is still pres ent.
50 Installing and Configuring Hardware Removing the PERC 6/E and PERC 6/i Adapters NOTE: In the event that th e SAS cable is accidentally pulled when the sy stem is operational, reconnect the ca ble and see the online help of your Open Manage storage management application for the required recovery steps.
Installing and Configuring Hardware 51 Figure 4-7. Removing the PERC 6/E Adapter NOTE: For more information on removing peripherals installed in the sy stem’ s PCI-E slots, see the Hardware Owner’ s Manual that shipped with the sy stem. 5 F or removing a PER C 6/i adapter , determine whether the dirty cache LED on the controller is illuminated.
52 Installing and Configuring Hardware Figure 4-8. Removing the PERC 6/i Adapter 6 Disconnect the data cables and battery cable from the PER C 6/i. Remove any retention mechanism, such as a brack et screw , that might be holding the PERC 6/i in the system, and gently lift the controller from the system’s PCI-E slot.
Installing and Configuring Hardware 53 Removing the DIMM and Battery from a PERC 6/E Adapter NOTE: The TBBU on the PERC 6/E adapter consists of a DI MM and battery backup unit. This section describes how to remove the TBBU from a PER C 6/E adapter that is currently installed in a s ystem.
54 Installing and Configuring Hardware CAUTION: Running a sy stem without the sy stem cover installed can cause damage due to improper cooling. 3 Remove the TBBU assembly from the adapter by pressing down on the tabs at each edge of the DIMM conne ctor and lifting the TBBU off the adapter .
Installing and Configuring Hardware 55 Disconnecting the BBU from a PERC 6/i Adapter or a PERC 6/i Integrated Controller NOTE: A PERC 6/i adapter installe d in a Dell workstation or a Dell SC sy stem does not have a BBU. NOTE: Batteries with low charges can be detected and rechar ged.
56 Installing and Configuring Hardware Setting up Redundant Path Support on the PERC 6/E Adapter The PERC 6/E adapter can detect and use r edundant paths to drives contained in enclosures. W ith redundant paths to the same port of a device, if one path fails, another path can be used to communicate between the controller and the device.
Installing and Configuring Hardware 57 F igure 4-12 displays Redundant path Storage Configuration with two enclosures. Figure 4-12. Redundant Path Suppor t Configuration With T wo Enclosures Storage Storage Storage Storage Dell_PERC6.
58 Installing and Configuring Hardware F igure 4-13 displays Redundant path Storage Configuration with thr ee enclosures Figure 4-13. Redundant Path Support Configuration With Three Enclosures A single PERC 6/E adapter can support up to three disk storage enclosur es in a redundant path configuration.
Installing and Configuring Hardware 59 P erform the following steps to c onfigure the har dware to utilize redundantpaths on the PER C 6/E adapter: 1 Set up an enclosure on the PER C 6/E adapter . 2 Connect two SAS cables from the OUT ports on your PERC 6/E adapter to the IN ports of the external en closur e.
60 Installing and Configuring Hardware 4 Open the release lever to disconnect the Modular Storage Controller Car d edge connector from the system boar d connector as illustrated in F igure 4-14. 5 Lift the Modular Storage Controller Card straight up from the system board as illustrated in F igure 4-14.
Installing and Configuring Hardware 61 Installing the Modular Storage Controller Card T o install your new CERC 6/i Modular Storage Controller : 1 Unpack the new CERC 6/i Modular Stor age Controller Car d and check for damage. NOTE: If the card is dama ged, contact Dell.
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Installing the Drivers 63 Installing the Drivers The Dell™ P owerEdge™ Expandable R AID Controller (PERC) 6 and Dell Cost-Effective R A ID Controller (C ERC) 6/i family of controllers req u i re software drivers to operate with the supported operating systems.
64 Installing the Drivers Installing Windows Driver This section documents the procedures used to install the W indows driver . Creating the Driver Media P erform the following steps to create the driver media: 1 Browse to the download section for the system from the Dell Support website at support.
Installing the Drivers 65 4 F rom the list of drivers displayed, sele ct the driver that you requir e. Select the self -extracting zip file and click Ru n . Copy the driver to a diskette drive, CD, D VD, or USB drive. Repeat this step for all the drivers that you req u i re .
66 Installing the Drivers Installing the Driver During a Windows Server 2003 or Windows XP Operating Sy stem Installation P erform the following steps to install the driver during operating system installation. 1 Boot the system using the Microsoft W indows XP/Microsoft W indows Server 2003 media.
Installing the Drivers 67 3 The system prompts for the media to be inserted. Insert the installation media and browse to the proper location. 4 Select the appropriate PERC 6 controller from the list, click Next and continue installation.
68 Installing the Drivers 8 Click Next . 9 The wizard detects and installs the a ppropriate device drivers for the new R AID controller . 10 Click F inish to complete the installation.
Installing the Drivers 69 10 F ollow the steps in the wizard and browse to the location of the driver files. 11 Select the INF file from the USB key or other media. 12 Click Next and continue the installation steps in the W izard. 13 Click Fi n i s h to exit the wizar d and reboot the system for the changes to take place.
70 Installing the Drivers 3 Use the dd command to create a driver upda te disk. Use the appropriate image for the purpose. dd if=<name of the dd image file> of=/dev/fd0 NOTE: Y ou can create a driver update disk on a Windows sy stem using the program dcopynt .
Installing the Drivers 71 Installing Red Hat Enterprise Linux Operating Sy stems using the Driver Update Diskette P erform the following steps to install Red Hat Enterprise Linux (versions 4 and 5) and the appropriate driver . 1 Boot normally from the Red Hat En terprise Linux installation media.
72 Installing the Drivers 6 Click OK . If you want to install from anothe r driver update medium, continue with the following steps. 7 The system displays the message PLEASE CHOOSE DRIVER UPDATE MEDIUM . 8 Select the appropriate driver update medium. The system selects the driver from the disk and installs it.
Installing the Drivers 73 2 T o check whether the driver is successfully installed in the new k ernel, type: dkms status Y ou must see a message similar to the following one on the scr een to confirm .
74 Installing the Drivers Installing Solaris 10 on a PowerEdge Sy stem Booting From a PERC 6 and CERC 6i Controller T o install the driver during Solari s 10 operating system installation: 1 Boot the system from the Solaris installation media and select the preferr ed console.
Installing the Drivers 75 Installing NetW are Driver Use the procedures in this section to in stall the driver for Novell NetW are 6.5. T o ensure that you have the curr ent version of the driver , download the updated NetW are driver from the Dell Support website at support.
76 Installing the Drivers Installing or Updating the NetWare Driver in an Existing NetW are Sy stem P erform the following steps to add the Novell NetW are driver to an e xisting installation: 1 At the root prompt, type hdetect and press <Enter>.
Configuring and Managing RAID 77 Configuring and Managing RAID Dell Open Manage storage management applications enable you to manage and configure the R AID system, create and manage multiple disk groups, control and monitor multiple R A ID systems, and provide online maintenance.
78 Configuring and Managing RAID RAID Configuration Functions NOTE: Dell OpenManage Storage Management can perform all th e same tasks as and more tasks than the BIOS Configuration Utility . After you attach physical disks, use a co nfiguration utility to or ganize your SAS drives and SA T A drives into virtual disks .
Configuring and Managing RAID 79 BIOS Configuration Utility The BIOS Configuration Utility , also known as Ctrl+R, is a Open Manage storage management application embedd ed on the PERC 6 controllers that configures and maintains R AID disk groups and virtual disks, and manages the R A ID system.
80 Configuring and Managing RAID NOTE: Y ou can access multiple controllers through the BIOS Configuration Utility by pressing <F12>. NOTE: Y ou can access PERC 5 and PERC 6 a dapters from the same BIOS if the PERC 5 firmware version is 5. 1.1-0040 or later .
Configuring and Managing RAID 81 Use the up arrow key to move to the upper menu items within a menu or to a higher level menu. Y ou can also use the up arrow key to close a menu list in a popup window , such as the stripe element size menu. W ord wrap is supported.
82 Configuring and Managing RAID <T ab> P ress <T ab> to move the cursor to the ne xt control on a Dialog or page. P ress <T ab> to move the cursor to the next parameter you want to change. <Shift> <T ab> P ress <Shift><T ab> to move the cursor to the previous control on a dialog or page.
Configuring and Managing RAID 83 Setting Up Virtual Disks This section contains the procedures used to set up a disk group and cr eate virtual disks. Each of the following pr ocedures ar e explained individually in this section in detail. 1 Create the virtual disks and se lect the virtual disk options.
84 Configuring and Managing RAID T able 6-2. Virtual Disk Pa rameters and Descriptions Parameter Description R AID Level RAID Level specifies the whether the vir tual disk is R AID 0, 1, 5, 6, 10, 50, and 60. The RAID le vel you select depends on the number of disks, disk capacity , and the r equirements for fault tolerance and performance.
Configuring and Managing RAID 85 V irtual Disk Management Creating Virtual Disks NOTE: PERC 6 does not support creation of a virtual disk that combines SAS phy sical disks and SA T A phy sical disks. P erform the following steps to cr eate virtual disks.
86 Configuring and Managing RAID 3 P ress <F2> to display the actions you can perform. 4 Select Create New VD and press <Enter>. The Create New VD screen displays. The cursor is on the R AID L evels option. 5 P ress <Enter> to display the possible R A ID levels, based on the physical disks available.
Configuring and Managing RAID 87 15 P erform the following steps to se lect the virtual disk parameters: a P ress <T ab> to move the cursor to the parameters you want to change. b P ress the down arrow key to open th e parameters and scroll down the list of settings.
88 Configuring and Managing RAID l If you have chosen to create hot spar es in the earlier steps a pop-up window appears where drives with appropriate sizes ar e displayed. P ress the spacebar to select the drive size. Select the check box to enable th e enclosure affinity setting for the hot spare.
Configuring and Managing RAID 89 If you attempt to run a Consistency Check on a virtual disk that has not been initialized, the following error message displays: The virtual disk has not been initialized. Running a consistency check may result in inconsistent messages in the log.
90 Configuring and Managing RAID P erform the following steps to import or clear for eign configurations. 1 During bootup, press <Ctrl><R> when prompted by the BIOS banner . The VD Mgmt screen appears by default. 2 On the VD Mgmt screen, highlight the Controller # .
Configuring and Managing RAID 91 Y ou can use the F oreign Configuration V iew screen to manage for eign configurations in the following cases: • All the physical disks in a configuration are r emoved and re-inserted. • Some of the physical disks in a conf iguration are r emoved and re-inserted.
92 Configuring and Managing RAID NOTE: When you import a foreign c onfiguration, the dedicated hot spares in the configuration are im ported as dedicated hot spares on two conditions - the associated virtual disk is already present or the associated virtual disk is also im ported along with the configuration.
Configuring and Managing RAID 93 Managing Preserved Cache If a virtual disk becomes offline or is deleted because of missing physical disks, the controller preserves the dirty cache from the virtual disk. This preserved dirty cache, known as pinned cache, is pr eserved until you import the virtual disk or discard the cache.
94 Configuring and Managing RAID Managing Dedicated Hot Spares A dedicated hot spare automatically r eplaces a failed physical disk only in the selected disk group which the hot spare is part of. A dedicated hot spar e is used before a global hot spar e is used.
Configuring and Managing RAID 95 Deleting Virtual Disks T o delete virtual disks, perform the fo llowing steps in the BIOS Configuration Utility . NOTE: Y ou cannot delete a virtual di sk during an initialization. NOTE: W arning messages are displayed stating the effect of deleting a virtual disk.
96 Configuring and Managing RAID Resetting the Configuration Y ou can delete all virtual disks on t he R AID controller by performing this operation. T o r eset the configuration, perform the following steps in the BIOS Configuration Utility : 1 P ress <Ctrl><N> to access the VD Mgmt screen.
Configuring and Managing RAID 97 Virtual Disk Management (VD Mgmt) The V irtual Disk Management screen, VD Mgmt , is the first screen that displays when you access a R AID controller from the main menu screen on the BIOS Configuration Utility .
98 Configuring and Managing RAID Virtual Disks Disk Group # P roperties: • Number of virtuals disks (VD) • Number of physical disks (PD) • Space available in the virtual disk • Number of free .
Configuring and Managing RAID 99 NOTE: The List View of the Virtual Disk Management screen display s different options from the T ree View . Physical Disk # Physical Disk P roperties: •V e n d o r n.
100 Configuring and Managing RAID Virtual Disk Actions T able 6-4 describes the actions you can perform on virtual disks. F or procedures you can use to perform these actions, See "Physical Disk Management" on page 104.
Configuring and Managing RAID 101 Phy sical Disk Mana gement (PD Mgmt) The Physical Disk Management screen, PD Mgmt , displays physical disk information and action menus. The screen displays physical disk IDs, vendor names, disk size, type, state, and disk group ( DG ).
102 Configuring and Managing RAID Rebuild Select Reb u il d to rebuild one or mor e failed physical disks. F or information on performing a physical disk rebuild, see "P erforming a Manual Rebuild of an Individual Physical Disk" on page 107.
Configuring and Managing RAID 103 Controller Management Actions T able 6-6 describes the actions you can perform on the Ctrl Mgmt screen. Foreign Configuration View When a foreign configuration is pr esent, you can select Fo r e i g n Configuration V iew to display the configuration.
104 Configuring and Managing RAID The section "Importing or Clearing F oreign Configurations Using the F or eign Configuration View Scr een " on page 90 contains the procedures you can use to manage the foreign configurations. NOTE: The BIOS Configuration Utility report s error codes for fa iled imports of foreign configurations.
Configuring and Managing RAID 105 P erform the following steps to cr eate global hot spares. 1 P ress <Ctrl><N> to access the PD Mgmt screen. A list of physical disks displays. The status of the each disk displays under the heading State .
106 Configuring and Managing RAID 4 P ress the down arrow key to select Remove Hot Spare from the list of actions and press <Enter>. The physical disk is changed to the Ready state. The status of the physical disk is displayed under the heading State .
Configuring and Managing RAID 107 Restrictions and Limitations The following restrictions and limitations apply to the R eplace Member operation: • The Replace Member functions are r estricted to one per array for RAID 0, R AID 1, and RAID 5, and two per array for R AID 6.
108 Configuring and Managing RAID 3 P ress <F2> to display a menu of available actions. The Rebuild option is highlighted at the top of the menu. 4 P ress the right arrow key to display the r ebuild options and select Start . 5 After you start the rebuild, pr ess <Esc> to display the previous menu.
Configuring and Managing RAID 109 After you enable the BIOS for a controller , perform the following steps to enable the boot support for that controller . 1 P ress <Ctrl><N> to access the Ctrl Mgmt menu screen. 2 P ress <T ab> to move the cursor to the Select Bootable VD in the Settings box.
110 Configuring and Managing RAID Restoring Factory Default Settings Y ou can use the Ctrl Mgmt menu scr een to restore the default settings for the options in the Settings box. The settings are Enable Controller BIOS , Enable Alarm , and Enable BIOS Stop on Error .
T roubleshooting 111 T roubleshooting T o get help with your Dell™ P owerEdge™ Expandable R AID Controller (PERC) 6 and Dell Cost-Effective R AID Controller (CERC) 6/i controller , you can contact your Dell T echnical Service r epresentative or access the Dell Support website at support.
112 T roubleshooti ng Adapter at Baseport xxxx is not responding where xxxx is the baseport of the controller If the controller does not respond for any r eason but is detected by the BIOS, it displays this warning and continues. T urn off the system and try to reseat the controller .
T roubleshooting 113 Memory/Battery problems were detected. The adapter has recovered, but cached data was lost. Press any key to continue. This message occurs under the following conditions: • The adapter detects that the cache in the controller cache has not yet been written to the disk subsystem.
114 T roubleshooti ng The foreign configuration message is always present during POST but no foreign configurations are present in the foreign view page in CTRL+R and all virtual disks are in an optimal state. Clear the foreign configuration using CTRL+R or Dell OpenManage™ Server Administrator Storage Management.
T roubleshooting 115 Multibit ECC errors were detected on the RAID controller. If you continue, data corruption can occur. Contact technical support to resolve this issue. Press 'X' to continue or else power off the system, replace the controller and reboot.
116 T roubleshooti ng Physical disk removed: Physical Disk {x.x.x} Controller {x}, Connector {x} Device failed: Physical Disk {x.x.x} Controller {x}, Connector {x}".
T roubleshooting 117 T able 7-2 describes the BBU-related erro r messages and warnings that display for the BIOS. V irtual Disks Degraded A redundant virtual disk is in a degr aded state when one or more physical disks has failed or is inaccessible.
118 T roubleshooti ng Memory Errors Memory errors can corrupt 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 controller and do not dis rupt normal operation.
T roubleshooting 119 General Problems T able 7-3 describes general problems you might encounter , along with suggested solutions. T able 7-3. General Problems Problem Suggested Solution The device displays in Device Manager but has a yellow bang (ex clamation point).
120 T roubleshooti ng Phy sical Disk Related Issues T able 7-4 describes physical disk-related problems you might encounter and the suggested solutions. T able 7-4. Phy sical Disk Issues Problem Suggested Solution One of the physical disks in the disk array is in the failed state.
T roubleshooting 121 Phy sical Disk Failures and Rebuilds T able 7-5 describes issues related to physical disk failur es and rebuilds. T able 7-5. Phy sical Disk Failure and Rebuild Issues Issue Suggested Solution Rebuilding the physical disks after multiple disks become simultaneously inaccessible.
122 T roubleshooti ng Rebuilding a physical disk after one of them is in a failed state. If you have configured hot spar es, the PERC 6 controller automatically tries to use one to rebuild a physical disk that is in a failed state.
T roubleshooting 123 SMART Errors T able 7-6 describes issues r elated to the Self-Monitoring Analysis and Reporting T echnology (SMAR T). SMAR T monitors the internal performance of all motors, heads, and physical disk electronics and detects predictable physical disk failures.
124 T roubleshooti ng Replace Member Errors T able 7-7 describes issues related to the Replace Member feature. NOTE: For more information about the Replace Member features, see "Replacing an Online Physical Disk " on page 106 .
T roubleshooting 125 Linux Operating Sy stem Errors T able 7-8 describes issues relate d to the Linux operating system. T able 7-8. Linux Operat ing Sy stem Errors Error Message Suggested Solution <.
126 T roubleshooti ng Driver does not auto-build into new kernel after customer updates. This error is a generi c problem for DKMS and applies to all DKMS-enabled driver packages. This issue occurs when you perform the following steps: 1 Install a DKMS-enabled driver package.
T roubleshooting 127 Controller LED Indicators The external SAS ports on the PER C 6/E adapter have a port status LED per x4 SAS port. This bicolor LED displays the status of any external SAS port. The LED indicates whether all links are functional or only partial links ar e functional.
128 T roubleshooti ng Drive Carrier LED Indicators The LED on the physical disk carrier ind icates the state of each physical disk. Each drive carrier in your enclosure has two LEDs: an activity LED (gr een) and a bicolor (green/amber) status LED as shown in F igure 7-1.
T roubleshooting 129 Amber flashing (125 ms) Drive has failed Green/amber fla shing Green On 500 ms Amber On 500 ms Off 1000 ms P redicted failure reported by drive Green flashing Green On 3000 ms Off 3000 ms Amber On 3000 ms Off 3000 ms Drive being spun down by user request or other non-failure condition T able 7-10.
130 T roubleshooti ng Dell_PERC6.1_UG.book Page 130 Wednesday, April 15, 2009 4:18 PM.
Regulatory Notices 131 Regulatory Notices F or additional regulatory informati on, please go to the Regulatory Compliance Homepage on www .dell.com at the following location: www .
132 Regulatory Notices Dell_PERC6.1_UG.book Page 132 Wednesday, April 15, 2009 4:18 PM.
Regulatory Notices 133 Corporate Contact Details (T aiwan Only) Pursuant to Article 11 of the Commodity Inspec tion Act, Dell provides the following corporate contact details for the certified entity in T aiw an for the products addressed by this document: Dell B.
134 Regulatory Notices Dell_PERC6.1_UG.book Page 134 Wednesday, April 15, 2009 4:18 PM.
Glossary 135 Glossary A Adapter An adapter enables the computer system to access peripheral devices by converting the protocol of one bus or inter face to another . An adapter may also provide specialized function. F or example, a R AID controller is a type of adapter that provides R AID functions.
136 Glossary 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 A C power failure or a brief power outage. BIOS Acronym for basic input/output system .
Glossary 137 Caching The process of utilizing a high speed memo ry buffer , referr ed to as a “cache,” in order to speed up the overall r ead or write performance.
138 Glossary Disk Array A collection of disks from one or more disk subsystems combined using a configuration utility . The utility controls the disks and presents them to the array operating environment as one or more logical drives.
Glossary 139 DUD Acronym for driver update diskette. A DUD is an image of a disk ette stored as a regular file. T o use it, you have to create the content to a r eal diskette from this file. The steps used to create the disk ette depend on how the image is supplied.
140 Glossary Fault T olerance F ault tolerance is the capability of the disk subsystem to undergo a single drive failure per disk group without compromising data integrity and processing capability . The PERC 6 controllers pr ovide this support through r edundant virtual disks in R AID levels 1, 5, 6, 10, 50, and 60.
Glossary 141 H Host Sy stem Any system on which the R AID contro ller is installed. Mainframes, workstations, and personal systems can all be consider ed host systems. Hot Spare An idle, powered on, stand-by physical di sk r eady for immediate use in case of disk failure.
142 Glossary Inter -IC Inter -IC, also known as I 2 C, is a multi-master bus, meaning that more than one chip can be connected to the same bu s. Each chip can act as a master and initiate a data transfer .
Glossary 143 Mirroring The process of providing complete redundancy using two physical disks, by maintaining an exact copy of one physi cal disk’s data on the second physical disk. If one physical disk fails, the conten ts of the other physical disk can be used to maintain the integrity of the sy stem and to rebuild the failed physical disk.
144 Glossary Ns Acronym for nanosecond(s), one billionth of a second. NVRAM Acronym for non-volatile random access memory . A storage system that does not lose the data stored on it when pow er is r emoved. NVRAM is used to stor e configuration data on the R AID controller .
Glossary 145 sets. In R AID, this method is applied to entire physical disks or stripe elements across all physical disks in a virtual disk. P arity consists of dedicated parity , in which the parity .
146 Glossary Phy sical Disk States A physical disk can be in one of the following states: • Un-configured Good: A disk access ible to the R AID controller but not configured as a part of a vi rtual disk or as a hot spar e. • Hot Spare: A physical disk that is configur ed as a hot spare.
Glossary 147 R RAID Acronym for Redundant Array of Indepe ndent Disks (originally Redundant Array of Inexpensive Disks). It is an array of multiple independent physical disks managed together to yield higher reliability and/or performance e xceeding that of a single physical disk.
148 Glossary Read-Ahead A memory caching capability in some co ntrollers that allows them to read sequentially ahead of requested data and stor e the additional data in cache memory , anticipating that the ad ditional data is required soon. Read-Ahead supplies sequential data faster , but is no t as effective when accessing random data.
Glossary 149 T ypically , a physical disk fails or is expect ed to fail, and the data is r ebuilt on a hot spare. The failed physical disk is r eplaced with a new disk. Then the data is copied from the hot spare to the new physical disk, and the hot spar e reverts from a rebuild drive to its orig inal hot spar e status.
150 Glossary SA T A Acronym for Serial Advanced T echnology Attachment. A physical storage interface standard, is a serial link that provides point-to-point connections between devices. The thinner serial cab les allow for better airflow within the system and permit smaller chassis designs.
Glossary 151 Spanning The method by which nested R AID leve ls (such as RAID 10, 50, and 60) ar e constructed from multiple sets of basic, or single R AID levels. F or example, a R AID 10 is made up of multiple sets of RA ID 1 arrays where each R AID 1 set is considered a span.
152 Glossary Stripe Element Size The total disk space consumed by a str ipe not including a parity disk. F or example, consider a stripe that contains 64 KB of disk space and has 16 KB of data residing on each disk in the stripe. In this case, the stripe element size is 16 KB and the stripe size is 64 KB.
Index 153 Index B background initialization, 25, 135 stopping, 1 0 7 baseport, 135 battery installing transportable battery backup, 4 5 management, 3 0 removing from PER C 5/E Adapter , 5 3 BIOS, 103,.
154 Index E electrostatic discharge. See ESD ESD, 12 F fault tolerance, 34 features, 3 4 foreign configuration, 103 F oreign Configuration V iew , 103 H hot swap, 141 hot swapping, 36 I initialization.
Index 155 physical disks a c t i o n s , 101 management, 1 0 1 post error messages, 111 R R AID, 141 configuration, 7 7 configuration and management, 7 7 configuration functions, 8 3 configuration inf.
Index 156 W Wi n d o w s , 6 3 drivers, 6 3 updating drivers, 6 8 W indows XP Driver Installation on an Existing System, 7 6 write policy , 84 Dell_PERC6.
Een belangrijk punt na aankoop van elk apparaat Dell UCP-60 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Dell UCP-60 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Dell UCP-60 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Dell UCP-60 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Dell UCP-60 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Dell UCP-60 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Dell UCP-60 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Dell UCP-60 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
