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IBM ServeRAID

User’s Reference, Version 5.10

SC33-P263-60

Содержание ServeRAID

Страница 1: ...IBM ServeRAID User s Reference Version 5 10 SC33 P263 60...

Страница 2: ...Appendix B Warranty information on page 183 and Appendix C Notices on page 195 Fifth Edition July 2002 Copyright International Business Machines Corporation 2002 All rights reserved US Government Use...

Страница 3: ...it lisez le manuel Safety Information Vor Beginn der Installation die Brosch re mit Sicherheitshinweisen lesen Przed zainstalowaniem tego produktu nale y przeczyta broszur Informacje Dotycz ce Bezpiec...

Страница 4: ...u o bezpe nosti Preden namestite ta izdelek preberite knji ico Varnostne informacije Antes de instalar este producto lea la Informaci n de Seguridad L s s kerhetsinformationen innan du installerar den...

Страница 5: ...Connect and disconnect cables as described in the following table when installing moving or opening covers on this product or attached devices To connect 1 Turn everything OFF 2 First attach all cable...

Страница 6: ...er supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords...

Страница 7: ...iptions 32 Chapter 4 Configuring ServeRAID controllers 35 Obtaining ServeRAID updates 35 Updating BIOS and firmware code 35 Configuring the ServeRAID controller 36 Viewing your configuration 44 Gettin...

Страница 8: ...icrosoft Cluster Server software on Windows NT 4 0 119 Installing the Microsoft Cluster Server software on Windows 2000 126 Chapter 15 Monitoring and updating an IBM ServeRAID Cluster Solution 135 Che...

Страница 9: ...support 176 Hardware service and support 176 Part 5 Appendixes 177 Appendix A Creating ServeRAID diskettes 179 Creating diskettes on Windows 180 Creating diskettes on IBM OS 2 180 Creating diskettes...

Страница 10: ...x IBM ServeRAID User s Reference Version 5 10...

Страница 11: ...ess You can refer to the information when configuring one or more devices attached to a ServeRAID controller Chapter 5 Installing ServeRAID device drivers on page 49 contains information about install...

Страница 12: ...sites to obtain future code and information updates for the ServeRAID controller Appendix A Creating ServeRAID diskettes on page 179 contains instructions for creating the IBM ServeRAID Support diske...

Страница 13: ...drive and operatingsystem is the specific operating system used in the ServeRAID installation The device drivers are also located on the operating system specific IBM ServeRAID Support diskettes Serve...

Страница 14: ...x 2 of 2 diskette v IBM ServeRAID Support for Caldera OpenLinux 1 of 2 diskette v IBM ServeRAID Support for Caldera OpenLinux 2 of 2 diskette v IBM ServeRAID Support for SuSE Linux diskette v IBM Serv...

Страница 15: ...publication from the IBM Support Web site See Downloadable files from the World Wide Web on page 141 for additional information In addition the following IBM Redbooks might be of interest v Implementi...

Страница 16: ...xvi IBM ServeRAID User s Reference Version 5 10...

Страница 17: ...Part 1 Installation and configuration Copyright IBM Corp 2002 1...

Страница 18: ...2 IBM ServeRAID User s Reference Version 5 10...

Страница 19: ...ckage contents In addition to this book the ServeRAID option package contains v IBM ServeRAID Support CD See IBM ServeRAID Support CD on page xiii for more detailed information v One of the following...

Страница 20: ...nd Windows NT only No Yes Yes Yes IPSMON NetWare only Yes Yes Yes Yes Clustering Windows NT and Windows 2000 only No Yes Yes Yes Failover Windows NT and Windows 2000 only No Yes Yes Yes Connector loca...

Страница 21: ...ntaining a lithium battery Statement 2 CAUTION When replacing the lithium battery use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer If your system has a mo...

Страница 22: ...u can attach external SCSI devices to the external Channel 1 and Channel 2 connectors You cannot attach internal and external SCSI devices to the same channel For example you cannot attach devices to...

Страница 23: ...ID 4Lx controller has one independent SCSI channel connector Channel 1 This SCSI channel supports up to 15 physical devices You can attach internal SCSI devices to the internal Channel 1 connector You...

Страница 24: ...water v Heat to more than 100 C 212 F v Repair or disassemble Dispose of the battery as required by local ordinances or regulations ServeRAID 5i controller The ServeRAID 5i controller has no independ...

Страница 25: ...taining a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not v Thro...

Страница 26: ...10 IBM ServeRAID User s Reference Version 5 10...

Страница 27: ...ning server thus expanding its capacity v Use the hot remove feature to remove a controller from a running server v Use the hot replace feature to replace a controller with an identical controller Not...

Страница 28: ...Wide Web on page 141 for additional information Note Be sure to read the instructions and restrictions for this software program Using NetWare with Active PCI features To use Active PCI with NetWare...

Страница 29: ...the controller Choose a slot that is farthest from other installed components such as the microprocessor If necessary see your server documentation for more detailed information about the expansion sl...

Страница 30: ...rnal devices only go to step 13 on page 15 Otherwise go to step 10 10 Connect one end of a 68 pin standard cable separately purchased or already in your server to the internal channel connector on the...

Страница 31: ...ise go to Chapter 3 Understanding RAID technology on page 21 Connecting external devices to a ServeRAID 4 controller Note You cannot attach internal and external SCSI devices to the same channel For e...

Страница 32: ...r You need to determine the following v The PCI expansion slot into which you will install the controller v Whether you need to install the low profile 2 U bracket Complete the following steps to inst...

Страница 33: ...ion you might need a small flat blade screwdriver and the documentation that comes with your server Complete the following steps to install the ServeRAID 5i controller 1 Review Safety on page iii and...

Страница 34: ...oller before installing the ServeRAID 5i controller 4 Remove the expansion slot cover if applicable 5 Touch the static protective package containing the controller to an unpainted metal expansion slot...

Страница 35: ...ng on your server 9 If you have physical drives to install install them now See your server documentation for drive installation instructions 10 Install the server cover 11 Reconnect the cables and co...

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Страница 37: ...sponses to multiple requests enables disk arrays to provide a high level of performance in network environments Note If you already understand these concepts go to Chapter 4 Configuring ServeRAID cont...

Страница 38: ...number of drives RAID level 0 No 100 Superior Superior No 1 16 RAID level 1 Yes 50 Very high Very high No 2 2 RAID level 1E Yes 50 Very high Very high No 3 16 RAID level 5 Yes 67 to 94 Superior High N...

Страница 39: ...al drive Start with two physical drives Create an array using the two physical drives Then create a logical drive within that array The data is striped across the drives creating blocks Notice that th...

Страница 40: ...torage capacity because no room is taken for redundant data or data parity storage No data redundancy resulting in data loss in the event that a physical drive fails Understanding RAID level 1 RAID le...

Страница 41: ...RAID level 1 Enhanced RAID level 1E combines mirroring and data striping This RAID level stripes data and copies of the data across all of the drives in the array As with the standard RAID level 1 th...

Страница 42: ...wing advantages and disadvantages Advantages Disadvantages v 100 data redundancy v High performance Allows only 50 of the physical drive storage capacity to be used Understanding RAID level 5 RAID lev...

Страница 43: ...Notice that the storage of the data parity denoted by also is striped and it shifts from drive to drive A parity block contains a representation of the data from the other blocks in the same stripe F...

Страница 44: ...m and writing to three physical drives and an idle hot spare Therefore RAID level 5E provides a higher level of performance than RAID level 5 The spare drive is actually part of the RAID level 5E arra...

Страница 45: ...the logical drive decompresses and returns to the original striping scheme 9 3 5 7 1 2 6 8 4 If you use a RAID level 5E logical drive in a failover or cluster configuration the RAID level 5E logical d...

Страница 46: ...so are larger logical drives increased performance and increased reliability RAID level 0 level 1E level 5 and level 5E cannot use more than 16 physical drives in an array however RAID level 1E0 and l...

Страница 47: ...able A A B C 1 2 3 4 5 7 6 8 1 2 3 4 5 7 6 8 1 2 3 4 5 7 6 8 1 2 3 4 5 7 6 8 1 2 3 4 5 7 6 8 1 2 3 4 5 7 6 8 A 1 2 3 5 4 7 10 8 11 6 9 12 RAID level Sub logical drive Spanned array logical drive 00 RA...

Страница 48: ...he rebuild state Logical drive state descriptions The following table provides descriptions of the valid logical drive states Drive state Meaning Blocked The blocked state is reserved for RAID level 0...

Страница 49: ...space or a RAID level 5E compression or decompression Offline The logical drive is offline and not accessible This state occurs when one of the following is true v One or more physical drives in a RA...

Страница 50: ...34 IBM ServeRAID User s Reference Version 5 10...

Страница 51: ...you must have the latest BIOS and firmware code installed on your server Complete the following steps to update the levels of BIOS and firmware code 1 Insert the IBM ServeRAID Support CD into the ser...

Страница 52: ...instructions in the Installation Guide provided with your server Important If you intend to use your ServeRAID 4 controllers in a Microsoft Windows failover or clustering environment do the following...

Страница 53: ...llowing v Creates arrays by grouping together same sized physical drives v Creates one logical drive per array v Assigns a RAID level based on the number of physical drives in an array An array with a...

Страница 54: ...6 for each controller 7 When you have completed configuring your controllers you can change certain controller settings See Fine tuning your configuration on page 43 for more information If you do not...

Страница 55: ...ives you want to move to the array 5 Click Add selected drives to add the drives to the array You can click Add all drives to move all ready drives to an array 6 Repeat steps 4 and 5 for each addition...

Страница 56: ...RAID level 5E v If you want to use the logical drive migration feature In these cases one logical drive slot must be left free therefore you cannot define more than seven logical drives b Some operati...

Страница 57: ...ray 13 Repeat steps 8 on page 40 through 12 for each additional array you want to configure 14 Click Next The Configuration summary window opens Figure 14 Adding another logical drive window Figure 15...

Страница 58: ...controller you must install the device driver while installing the operating system Creating spanned arrays If you want to assign RAID level x0 to an array you must create a spanned array For more in...

Страница 59: ...re data on the controller you will need to determine the correct stripe unit size for your configuration and set the write cache mode if necessary Changing the stripe unit size The new controller stri...

Страница 60: ...x from the startable Novell NetWare 5 x CD set the write cache mode to write through for the logical drive to which you will install the operating system To accomplish this complete the following ste...

Страница 61: ...tions Getting assistance For more information about ServeRAID Manager see the online help system To start the help system either click Information about this window on the toolbar or select an item fr...

Страница 62: ...D Manager tree objects and the actions that apply to them select a tree object and click Actions Hints and tips ServeRAID Assist will start and information about the tree object will appear in the rig...

Страница 63: ...Figure 19 Hints and tips feature Chapter 4 Configuring ServeRAID controllers 47...

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Страница 65: ...ntroller only v Microsoft Windows NT 4 0 Enterprise Edition and Server v Novell NetWare versions 5 x and 6 0 v IBM OS 2 WARP Server for e business v Red Hat Linux versions 6 2 7 0 7 1 7 2 and 7 3 v Su...

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Страница 67: ...v Two ServeRAID 4Lx v Two ServeRAID 3HB v Two ServeRAID 3H v Two ServeRAID 3L v Two ServeRAID II Note If your system has a built in ServeRAID controller on the system board you cannot use the built i...

Страница 68: ...AID adapter defined as a Microsoft Cluster Server MSCS resource cannot coexist in the same server v A logical drive cannot failover if it is any of the following A RAID level 5 or level 5E logical dri...

Страница 69: ...o factory default settings only once when the controller is first installed This process removes all configuration information from NVRAM including the SCSI initiator IDs the controller and partner na...

Страница 70: ...that you will use to identify the passive controller for example Controller B Initiator IDs The system presets these SCSI initiator IDs to 7 Set each ID to 6 for shared channels The ServeRAID Manager...

Страница 71: ...uring ServeRAID arrays and logical drives Complete the following steps to configure arrays and logical drives on the active controller 1 On the toolbar click Configure RAID The Configuration wizard op...

Страница 72: ...al array that you want to configure Notes a You must use all the ready drives when creating your arrays that is all ready drives in the ServeRAID Manager tree must be online b Hot spare drives are not...

Страница 73: ...nd by system BIOS during startup will be your startup boot drive Attention Before assigning a logical drive RAID level 5E consider the following If a physical drive fails during a post failover resync...

Страница 74: ...rives 15 Click Continue to return to ServeRAID Manager After creating the arrays and logical drives you must assign merge group numbers to the shared logical drives 16 In the ServeRAID Manager tree cl...

Страница 75: ...ter 3 Understanding RAID technology on page 21 Note In a failover environment spanned arrays are supported only by IBM ServeRAID 4 Ultra160 SCSI controllers Complete the following steps to create one...

Страница 76: ...b 4 Click Next the Create logical drives window opens Continue with step 9 of Configuring ServeRAID arrays and logical drives on page 55 Installing the device driver Complete the following steps to fi...

Страница 77: ...M Installation Guide that came with the controller Configuring the passive controller Complete the following steps to configure the passive controller for failover 1 Start the server Note The cables t...

Страница 78: ...t you to select numbers other than 6 and 7 Notes a The controller name and partner name are case sensitive b If your configuration will contain multiple ServeRAID controller pairs each controller name...

Страница 79: ...onment installation To verify that the configuration is correct install and start the ServeRAID Manager program on the Windows 2000 or Windows NT 4 0 server For more information see Chapter 10 Install...

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Страница 81: ...Part 2 Utility programs Copyright IBM Corp 2002 65...

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Страница 83: ...able from the main menu v View Controller Status shows the current status of the ServeRAID controller See Viewing the controller status for more information v View Configuration shows the current conf...

Страница 84: ...tialize the configuration the Config Updates resets to 0 v Bad Stripe Locked Stripe or Blocked Drive identifies the logical drives that are affected Bad Stripe Drives indicates logical drives that hav...

Страница 85: ...s is used to modify the following BIOS settings for the ServeRAID controller BIOS support for startable CDROM BIOS support for INT13 extensions BIOS support for reading partition tables Bypass read ve...

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Страница 87: ...Linux versions 7 1 7 2 and 7 3 v Caldera OpenLinux versions 3 1 and 3 1 1 v Turbolinux versions 6 5 and 7 0 v SCO OpenServer 5 0 6a v Caldera UnixWare 7 1 1 v Caldera Open UNIX 8 0 Note To run IPSSEN...

Страница 88: ...tte drive 3 Create an IPSADM directory on your hard disk From the operating system command prompt type the following and press Enter md c ipsadm where c is the drive letter of the drive where the oper...

Страница 89: ...kette drive that contains the IBM ServeRAID Support for NetWare diskette c is the drive letter of the drive where NetWare is installed and nwserver is the directory where NetWare is installed 5 Remove...

Страница 90: ...propriate IBM ServeRAID Support diskette into the diskette drive 3 Mount the diskette drive From the console type the following and press Enter mount t msdos dev diskettedevicefile mountpoint where di...

Страница 91: ...ng the IBM ServeRAID Support for SCO OpenServer diskette 1 Start the server 2 After the operating system starts insert the IBM ServeRAID Support for SCO OpenServer diskette into the diskette drive 3 M...

Страница 92: ...he following and press Enter chmod 700 usr bin ipssend 6 Unmount the CD ROM drive Type the following and press Enter umount mnt 7 Remove the CD from the CD ROM drive Installing IPSSEND for UnixWare or...

Страница 93: ...SEND from DOS Complete the following steps to start IPSSEND 1 Insert the IBM ServeRAID Support for DOS diskette into the diskette drive 2 Restart the server 3 Type the following and press Enter a ipss...

Страница 94: ...cess You can use the backup copy of data for such tasks as tape backup drive cloning and multiserver rollout There are two primary FlashCopy functions backup and nobackup The FlashCopy backup function...

Страница 95: ...y That is either both drives are part of a spanned array or both drives are part of a nonspanned array v If the source and target drives are part of a spanned array the following conditions must apply...

Страница 96: ...arameter that overrides the user prompt Notes 1 Only one FlashCopy backup process involving up to four source and target partitions can be active on a controller at a time If a FlashCopy backup proces...

Страница 97: ...3 The physical drives must be added while the server is on 4 When a logical drive is imported all partitions from that logical drive are also imported automatically You cannot import a single partitio...

Страница 98: ...e the FlashCopy backup or FlashCopy nobackup functions Note 2 One or more of the following is true for this partition v The partition is the boot partition v The partition does not have an NTFS or FAT...

Страница 99: ...FlashCopy nobackup link involving up to four source and target partitions can exist on a ServeRAID controller If a FlashCopy nobackup function is invoked you cannot issue another FlashCopy nobackup or...

Страница 100: ...r logical drive the target Note The size of the target logical drive must be greater than or equal to the size of the source logical drive IPSSEND COPYLD controller source target NOPROMPT where v cont...

Страница 101: ...cent rebuild synchronization logical drive migration or FlashCopy The information includes the type of operation status logical drive number logical drive size and percentage of the operation complete...

Страница 102: ...8 Supported operating systems Windows NetWare OS 2 Linux OpenServer UnixWare Open UNIX and DOS Problem isolation and debug functions The following table describes the IPSSEND problem isolation and deb...

Страница 103: ...ersion This function lists the versions of BIOS cluster DLL device driver and firmware for every ServeRAID controller in the server IPSSEND GETVERSION Supported operating systems Windows NetWare OS 2...

Страница 104: ...r the logical drive 0 1 1E 5 or 5E v If NEWARRAY channel is the channel number for the device 1 4 and sid is the SCSI ID for the device 0 15 The maximum number of repetitions of channel sid is 16 v NO...

Страница 105: ...tes that the controller will determine the best mode to use at any given time Supported operating system DOS scandrives This function scans all SCSI channel on a controller for the following v Physica...

Страница 106: ...termines how the BIOS handles failures during system startup IPSSEND UNATTENDED controller ON OFF where v controller is the ServeRAID controller number 1 12 v ON enables the feature v OFF disables the...

Страница 107: ...l the IPSMON program for NetWare 1 Start the server 2 From the console prompt type the following and press Enter down 3 Insert IBM ServeRAID Support for Novell NetWare diskette into the diskette drive...

Страница 108: ...s after the alert code A followed by the controller number C followed by the channel number if required SID followed by the SCSI ID if required For example a message of CRTxxx A2C3SID04 signifies that...

Страница 109: ...Windows Me Windows 98 or Windows 95 on page 94 Windows 2000 Installing ServeRAID Manager on Windows XP Windows 2000 Windows NT 4 0 Windows Me Windows 98 or Windows 95 on page 94 Windows NT 4 0 Install...

Страница 110: ...hot replace feature This feature also requires that you install the DMI Service provider and the IBM Hot Plug for Windows NT 4 0 Package version 4 2 or later For more information see Using a ServeRAI...

Страница 111: ...rt CD into the CD ROM drive 2 If your CD ROM drive automounts type the following command and go to step 6 Otherwise go to step 3 rpm install mnt cdrom linux manager RaidMan 5 10 i386 rpm 3 If your CD...

Страница 112: ...t are saved and used in the upgrade To remove the ServeRAID Manager program from OpenServer type the following command pkgrm RaidMan Complete the following steps to install the ServeRAID Manager progr...

Страница 113: ...llowing and press Enter mount r F cdfs dev cdrom cdromdevicefile mnt where cdromdevicefile is the specific device file for the CD ROM block device Look in the dev cdrom directory to determine what cdr...

Страница 114: ...eRAID Manager program from the OS 2 desktop double click the ServeRAID Manager icon Complete the following steps to start the ServeRAID Manager program from an OS 2 command line 1 Change to the direct...

Страница 115: ...RaidMan For UnixWare and Open UNIX cd opt RaidMan For Linux cd usr RaidMan 2 Press Enter 3 Type the following and press Enter sh RaidMan sh 4 The ServeRAID Manager program opens and a window similar...

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Страница 117: ...Part 3 Installing the IBM ServeRAID Cluster Solution Copyright IBM Corp 2002 101...

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Страница 119: ...cluster resumes normal operation A controller is a device that coordinates and controls the operation of one or more input and output devices such as workstations and synchronizes the operation of su...

Страница 120: ...A CD ROM Drive CD ROM Drive Integrated Ethernet Controller SCSI IDs See Note A See Note B 6 4 3 Channel 2 Channel 1 Channel 1 ServeRAID EtherJet Server B 233 MHz RAID 1 Array A Integrated Ethernet Co...

Страница 121: ...t requirements and types of installations see the IBM Shared Disk Clustering Hardware Reference You can obtain this publication from the IBM Support Web site See Chapter 16 Obtaining ServeRAID updates...

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Страница 123: ...one server and then shuts down the other server for scheduled maintenance Failover generally includes three tasks v Failure detection v Resource relocation v Application restart Failback is a special...

Страница 124: ...name on both ServeRAID controllers in a pair at the same time Doing so can cause problems and might require that you restart the server v You cannot share hot spare drives between controllers in a cl...

Страница 125: ...rum drive You must configure the quorum drive as a RAID level 1 logical drive Note Define hot spare drives in your array to minimize the time that logical drives remain in critical state v If a failov...

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Страница 127: ...rs you might want to use View shared drives to identify online drives in Server B as reserved a From Server A right click the controller and select View shared drives b Select the Enable view shared d...

Страница 128: ...ID controller that you want to configure Attention Restore the ServeRAID controller to factory default settings only once when the controller is first installed This process removes all configuration...

Страница 129: ...ared channels For Server B ensure that each SCSI initiator ID is set to 7 for shared channels The ServeRAID Manager program does not permit you to select numbers other than 6 and 7 Notes a The control...

Страница 130: ...nager tree click the ServeRAID controller that you want to configure 3 Click Custom configuration 4 Click Next The Create arrays window opens 5 Click the appropriate Array tab in the right panel then...

Страница 131: ...defined hot spare drives in case a failover occurs after a hot spare drive replaces a failed shared drive d You must create at least one logical drive to store the quorum resource information This lo...

Страница 132: ...niquely identifies each shared logical drive even when the logical drive moves between servers 13 In the ServeRAID Manager tree click the ServeRAID controller that contains the logical drives Notes a...

Страница 133: ...guration if the ServeRAID controller fails Note You can save this information to a file by using the ServeRAID Manager program a In the ServeRAID Manager tree click the server b Click Actions Save pri...

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Страница 135: ...luster Server software on Windows NT 4 0 Important Before beginning the procedure ensure that you are using the IBM ServeRAID Support for Windows NT 4 0 diskette during the installation of the Microso...

Страница 136: ...ROM drive letter Running the IPSHAHTO program makes all the shared logical drives available for access by Server A 4 Using the Windows NT Disk Administrator format all shared logical drives as NTFS N...

Страница 137: ...and path where the MSCS software is installed must be the same on both servers a Insert the Windows NT Server Enterprise Edition Component CD into the CD ROM drive on Server B Type the following comm...

Страница 138: ...r nodes Note If you installed a Windows NT 4 0 Service Pack previously you must reinstall it now You now can move the shared disk resources manually using the Microsoft Cluster Administrator program o...

Страница 139: ...r 2 To create the ServeRAID disk resource in an existing group ensure that the cluster server that owns the shared logical drive is the owner of that group If the cluster server is not the owner of th...

Страница 140: ...you must perform the following procedure on all servers in your cluster 1 Select one of the cluster servers from which to uninstall MSCS 2 Click Start Settings Control Panel The Windows NT Control Pa...

Страница 141: ...ol Panel The Windows NT Control Panel window opens 3 Double click SCSI Adapters 4 Click the Drivers tab 5 Click Add 6 Click Have Disk 7 For the path type the following e winnt driver nt4_0 where e is...

Страница 142: ...re consider the following v Ensure that you use the IBM ServeRAID Support for Windows 2000 Server diskette during the installation of Windows 2000 Advanced Server Edition or Windows 2000 Datacenter Se...

Страница 143: ...s 6 To assign disk signatures for the shared disks click Next 7 Microsoft Cluster Server using Windows 2000 requires you to set shared logical drives to Basic Disk To do this click Cancel in the Upgra...

Страница 144: ...drive on Server A Notes a Use the disk volume label as a guide to make sure you assign the same drive letters on Server B as you assigned on Server A b You might need to press the F5 key multiple tim...

Страница 145: ...gram copies some files and launches the Windows Component Wizard 17 In the Windows Component Wizard select the check box to install the Cluster Service component then click Next 18 When prompted inser...

Страница 146: ...then click Manage The Computer Management window opens b Double click Storage c Click Disk Management The Write Signature and Upgrade Disk Wizard opens d Right click Disk Management Rescan Disks e On...

Страница 147: ...dministration system 2 Use the normal MSCS procedure for deleting a resource or a group For instructions see the documentation that is included with the MSCS package 3 After deleting the ServeRAID res...

Страница 148: ...s a When Windows 2000 restarts the first time the Windows 2000 Setup window opens b Press F6 promptly You have only a few seconds to press this key c Select the IBM ServeRAID 4M 4Mx 4L 4Lx Windows 200...

Страница 149: ...you might not be able to access the ServeRAID logical drives shared by the two nodes of the cluster If this occurs do one of the following v Delete the logical drives and restart the server v Set the...

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Страница 151: ...the ServeRAID Manager program on page 93 Checking the ownership of a physical drive A physical drive that is owned and configured on Server B will appear in the ready or defunct state on Server A Comp...

Страница 152: ...o the other controller in the pair Be sure to verify this status when you add drives after the servers are started Before creating logical drives restart both servers or scan for new drives using the...

Страница 153: ...u must have the ServeRAID Manager program installed and running on all servers in the cluster for this feature to work Complete the following steps to validate a cluster 1 In the ServeRAID Manager tre...

Страница 154: ...found 6 To view the problem report events in an easy to read window double click an event in the Problems found message field 7 To save the contents of the Problems found message field click Save A Sa...

Страница 155: ...Part 4 Maintenance and troubleshooting Copyright IBM Corp 2002 139...

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Страница 157: ...t 2 In the Search field at the top of the page type ServeRAID then press Enter Updating the ServeRAID BIOS firmware and software code for clustering Use the following CD and diskettes v IBM ServeRAID...

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Страница 159: ...xisting ServeRAID controller in a fully functioning system Updating device drivers BIOS and firmware code and utility programs Complete the following steps to upgrade the device driver BIOS and firmwa...

Страница 160: ...ally starts If the BIOS and firmware code do not require updating the wizard automatically stops and the ServeRAID Manager starts Go to step 7 If necessary update the BIOS and firmware code for the ne...

Страница 161: ...mation about clearing the event log see eraseevent on page 86 All physical drives contain unique identifiers such as the drive serial number and manufacturer During configuration the ServeRAID control...

Страница 162: ...ded mode is acceptable The ServeRAID controller will assign the drive a state of defunct but the server can complete startup However the array will remain in the critical state and the potential for d...

Страница 163: ...er are connected properly 2 The hot swap drive trays are seated properly in the drive bay 3 If multiple drives fail in separate arrays one physical drive per array replace each of the defunct physical...

Страница 164: ...ts previously assigned location or after you install the original physical drives back in the server F5 Change the configuration and set the drive to defunct Press this key to accept the new state tha...

Страница 165: ...OM 1 Press Ctrl I to access the ServeRAID Mini Configuration menu See Chapter 7 Using the ServeRAID Mini Configuration program on page 67 for more information 2 Select Advanced Functions from the main...

Страница 166: ...the interrupt status port register ISPR code the basic configuration status BCS register code and the extended configuration status ECS register code If no errors occur during POST the following regi...

Страница 167: ...epresentative 8xxx to Bxxx The POST detected an error with the SCSI interface Verify that the SCSI cables are correctly connected and the SCSI termination is set properly for each installed SCSI devic...

Страница 168: ...count for the drive rearrangement To exit without making changes press F10 01 18 No configuration was found in drives or the online rebuild and hot spare standby hot spare drives are not responding 01...

Страница 169: ...hot spare and ready standby drives are not responding 03 C8 A drive was imported from another server and it has a valid configuration and the online rebuild drives are not responding and unidentified...

Страница 170: ...incorrect SCSI ID and unidentified drives were found 07 6C Online rebuild and ready standby drives are not responding a drive was found at the incorrect SCSI ID and unidentified drives were found 07...

Страница 171: ...es are not responding 0F 30 Hot spare standby hot spare and ready standby drives are not responding Recovering from problems starting the ServeRAID Manager Problem Explanation Action The ServeRAID Man...

Страница 172: ...r 3 If TCP IP networking is not configured type the server name in the third column of the line that starts with 127 0 0 1 Note The following is an example of a completed line 127 0 0 1 localhost matr...

Страница 173: ...ou must correct the cause of the failure or replace the physical drives then you must restore your data To prevent data integrity problems the ServeRAID controllers set the RAID level 0 logical drives...

Страница 174: ...hot swap drive for instructions 5 If the hot swap rebuild fails contact your IBM service representative Rebuilding a hot swap drive A hot swap rebuild refers to a rebuild operation that is started by...

Страница 175: ...edure requires a ServeRAID 3 or ServeRAID 4 controller with BIOS and firmware at version 4 x or later installed prior to the physical drive failures v Repeat this procedure for each array that contain...

Страница 176: ...perating system and save the output to a text file 2 Send the logs to your IBM service representative for root cause analysis The logs provide the best evidence for determining the cause of the failur...

Страница 177: ...a rebuild operation from starting 4 Set each defunct physical drive in the failed array to the online state The failed logical drives should change to a critical state If there are problems bringing p...

Страница 178: ...e ServeRAID logs to your IBM service representative 9 If IBM determines that the ServeRAID controller and SCSI bus activities are not operating properly your IBM service representative will provide an...

Страница 179: ...n on the backplane and retest to see if the results change If the problem persists swap out the SCSI cable and run a media test again on the physical drives If the physical drives pass the test the pr...

Страница 180: ...cedures to recover from problems in a failover environment If you still have problems after following these procedures contact your IBM service representative for further information Also you can find...

Страница 181: ...n both ServeRAID controllers to the enclosure For example if you connect the cable from Channel 1 on the first ServeRAID controller to the enclosure you must connect the cable from Channel 1 on the se...

Страница 182: ...er controller Complete the following steps to recover from a power failure 1 Run ipssend merge for every merge group number configured on the active controller Note If ipssend merge fails run ipssend...

Страница 183: ...ocumentation that comes with your server If you are replacing the failed server with an identical server install each physical drive in the same bay as the one it was removed from in the failed server...

Страница 184: ...uration information see Obtaining the current configuration information for information that might help you to assign the proper values Obtaining the current configuration information To obtain the SC...

Страница 185: ...apter 16 Obtaining ServeRAID updates on page 141 for additional information 6 Start the system with the IBM ServeRAID Support CD version 4 0 or later in the CD ROM drive The ServeRAID Manager program...

Страница 186: ...is if the merge group number is 206 the SCSI initiator ID is 6 21 Remove the IBM ServeRAID Support CD from the CD ROM drive 22 Restart your server Note If the controller you replaced is the startup co...

Страница 187: ...en MSCS under Windows NT 4 0 was installed To correct this problem you must reinstall the high availability cluster solution using Microsoft Windows NT 2 Ensure that shared SCSI buses on the ServeRAID...

Страница 188: ...mal operation v Replace and rebuild one or more defunct drives However if you do not reinitialize synchronize and restore the drive be aware that some data could be lost or damaged If one of the clust...

Страница 189: ...ion has been uninstalled a message is incorrectly displayed prompting you to perform an upgrade when you attempt to reinstall the ServeRAID Windows NT Cluster Solution You must delete the C3E76E53 F84...

Страница 190: ...174 IBM ServeRAID User s Reference Version 5 10...

Страница 191: ...and IntelliStation systems operating systems and programs come with information that contains troubleshooting procedures and explanations of error messages and error codes If you suspect a software p...

Страница 192: ...e for a fee with usage configuration and software problems with xSeries servers IntelliStation workstations and appliances For information about which products are supported by Support Line in your co...

Страница 193: ...Part 5 Appendixes Copyright IBM Corp 2002 177...

Страница 194: ...178 IBM ServeRAID User s Reference Version 5 10...

Страница 195: ...s NT and Windows 2000 winsrv img IBM ServeRAID Support for Windows 2000 Server winpro img IBM ServeRAID Support for Windows Professional Editions for Microsoft Windows XP Professional and Microsoft Wi...

Страница 196: ...following and Press Enter e diskette tools dsk4wrp e diskette disketteimage a where v e is the drive letter for the CD ROM drive v disketteimage is the name of the diskette image v a is the drive let...

Страница 197: ...evice file for the diskette block device 6 Press Enter 7 Unmount the CD ROM drive Type the following and press Enter umount mountpoint where mountpoint is the mointpoint of the device file used in ste...

Страница 198: ...182 IBM ServeRAID User s Reference Version 5 10...

Страница 199: ...nes a glossary of terms used in the Statement of Limited Warranty Frequently Asked Questions FAQ and links to Product Support Web pages The IBM Statement of Limited Warranty is available from this Web...

Страница 200: ...vailable to provide the applicable level of service either on site or at an IBM service center as determined by IBM v Engineering Change management Occasionally there might be changes that are require...

Страница 201: ...d regions Service centers in certain countries or regions might not be able to service all models of a particular machine type In addition some countries or regions might have fees and restrictions th...

Страница 202: ...replace it with one that is at least functionally equivalent you may return it to your place of purchase and your money will be refunded Extent of Warranty The warranty does not cover the repair or ex...

Страница 203: ...involve the removal of parts and their return to IBM A part that replaces a removed part will assume the warranty service status of the removed part Before IBM or your reseller exchanges a Machine or...

Страница 204: ...URISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU Governing Law Both you and IBM consent to the app...

Страница 205: ...arbitrators designated in conformity with those rules shall have the power to rule on their own competence and on the validity of the Agreement to submit to arbitration The arbitration award shall be...

Страница 206: ...ct PEOPLE S REPUBLIC OF CHINA PRC Governing Law The following replaces this Section Both you and IBM consent to the application of the laws of the State of New York except when local law requires othe...

Страница 207: ...ch the warranty service is being provided except that in 1 Albania Bosnia Herzegovina Bulgaria Croatia Hungary Former Yugoslav Republic of Macedonia Romania Slovakia Slovenia Armenia Azerbaijan Belaru...

Страница 208: ...to the total amount you paid for the Machine that is the subject of the claim For purposes of this item the term Machine includes Machine Code and Licensed Internal Code Applicability of suppliers an...

Страница 209: ...AZILAND Limitation of Liability The following is added to this Section IBM s entire liability to you for actual damages arising in all situations involving nonperformance by IBM in respect of the subj...

Страница 210: ...194 IBM ServeRAID User s Reference Version 5 10...

Страница 211: ...IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied war...

Страница 212: ...crosystems Inc in the United States other countries or both Linux is a registered trademark of Linus Torvalds Other company product or service names may be trademarks or service marks of others Import...

Страница 213: ...esidential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Properly shielded and grounded cables and connectors must...

Страница 214: ...ting from a nonrecommended modification of the product including the fitting of non IBM option cards This product has been tested and found to comply with the limits for Class A Information Technology...

Страница 215: ...y which a RAID level 5E logical drive utilizes the distributed spare drive in the event of a physical drive failure After the data is reconstructed the original array undergoes compression and the dis...

Страница 216: ...nage your ServeRAID controllers It can be used to configure your controller isolate and debug problems recover from errors and to copy controller configurations from one server to another L logical dr...

Страница 217: ...terweaving to distribute data across four or more physical drives it uses some space on each physical drive as a distributed hot spare It provides full data protection and performance acceleration alt...

Страница 218: ...he rebuild state stripe unit size The granularity at which data is stored on one drive of the array before subsequent data is stored on the next drive of the array The performance of a ServeRAID contr...

Страница 219: ...write cache mode is set to write through and the operating system sends data to the controller the controller writes the data to a storage device before sending a confirmation to the operating system...

Страница 220: ...204 IBM ServeRAID User s Reference Version 5 10...

Страница 221: ...19 troubleshooting 171 updating ServeRAID software 141 validating a cluster 137 verifying the cluster configuration 111 cluster definition 103 controller device drivers and startup boot controller 38...

Страница 222: ...els 22 IPSMON 91 installing 91 log file 92 messages 92 starting 91 IPSSEND xiii commands autosync 84 backup 84 certify 86 copyId 84 create 88 delete 88 IPSSEND continued commands continued drivever 88...

Страница 223: ...defunct state 32 descriptions of states 32 hot spare state 32 online state 32 ready state 32 rebuilding a defunct frive 157 physical drive continued rebuilding state 32 recovering from defunct drives...

Страница 224: ...definition 21 factory default setting 43 performance tuning 21 stripe definition 21 SuSE Linux IPSSEND installing 73 IPSSEND starting 77 ServeRAID Manager installing 95 ServeRAID Manager starting 99...

Страница 225: ......

Страница 226: ...Part Number 33P2636 Printed in U S A SC33 P263 60 1P P N 33P2636...

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