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Lucent Technologies 585-210-940 manual Introduction to Disk Mirroring, Solstice DiskSuite

Models: 585-210-940

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Solstice DiskSuite

Introduction to Disk Mirroring	CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
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Lucent Technologies 585-210-940 manual Introduction to Disk Mirroring, Solstice DiskSuite

Contents

CentreVu Call Management System 585-210-940Comcode 108502352 Issue 1 DecemberRelease 3 Version Disk-MirroredSystems Copyright  1999 Lucent Technologies Table of Contents Page Index Page Disk mirroring defined Introduction to Disk Mirroring1Metadevices metadevices ConcatenatedIntroduction to Disk Mirroring Mirrors State databasesIntroduction to Disk Mirroring Solstice DiskSuiteIntroduction to Disk Mirroring How CMS implements disk mirroringd21 d20 d17 d16 Introduction to Disk Mirroringd13 d12 swapEnterprise Mirror layoutscomputer computer EnterpriseIntroduction to Disk Mirroring Required software Additional referencesIntroduction to Disk Mirroring How CMS implements disk mirroringInstalling Mirrored Systems Disk drive slotsStep 1 Identify mirror devices Increasing system capacityInstalling Mirrored Systems Installing Mirrored Systems system Step 2 Install the mirror disks on anEnterprise Installing Mirrored Systems Step 4 Partition the mirror disks Installing Mirrored SystemsInstalling Mirrored Systems Step 6 Create the md.tab table entries Step 5 Create the state database replicasInstalling Mirrored Systems d x y 1 device Installing Mirrored SystemsInstalling Mirrored Systems #metaroot d13 hostname login rootPassword password # # /usr/sbin/shutdown -i6 -g0 -yStep 8 Set up the mirrors for the swap space Installing Mirrored SystemsInstalling Mirrored Systems Step 9 Set up the /cms mirror Installing Mirrored SystemsInstalling Mirrored Systems Step 10 Verify disk spaceDisk Space Verification Step 11 Create an alternate boot device Installing Mirrored SystemsInstalling Mirrored Systems Enterprise Step 1 Install the hardwareStep 2 Install the operating system EnterpriseStep 3 Install the application software Step 4 Check the disk.type file Installing Mirrored SystemsInstalling Mirrored Systems Step 6 Run the setup scripts Installing Mirrored SystemsStep 7 Verify disk space Installing Mirrored SystemsInstalling Mirrored Systems Disk Space VerificationStep 9 Create an alternate boot device Step 8 Install the CMS softwareInstalling Mirrored Systems Installing Mirrored Systems Installing Mirrored Systems Using the alternate boot device Maintaining Mirrored SystemsActivating chkDisks Verifying chkDisks Canceling chkDisksMaintaining the chkDisks crontab Changing the scheduled run timeStep 1 Print the vfstab file Doing a CMSADM backup on a mirrored systemStep 2 Run the backup hostname login rootStep 3 Label and store the tapes Maintaining Mirrored SystemsRestoring from a CMSADM Backup Maintaining Mirrored SystemsRestoring from a CMSADM Backup Maintaining Mirrored SystemsRepairing or rebuilding the /cms file system Repairing /cmsRebuilding /cms Maintaining Mirrored Systems Maintaining Mirrored Systems Step 1 Power off the system Restoring a mirrored system from a CMSADM backupStep 2 Install the new drives Task Step 3 Boot the system from the compact diskMaintaining Mirrored Systems ActionTask Step 4 Identify the systemMaintaining Mirrored Systems ActionTask Step 5 Set the Name Service optionsMaintaining Mirrored Systems ActionTask Step 6 Set the date and timeMaintaining Mirrored Systems ActionAction Maintaining Mirrored SystemsTask ResultStep 9 Set up the disk partitions Step 8 Select the hard disksSizes in Slice numbersNames in this columnTask Step 10 Install the operating systemMaintaining Mirrored Systems ActionTask Step 11 Complete the OS installationMaintaining Mirrored Systems ActionStep 14: Reestablish the disk mirrors Step 13 Restore the backuphostname login root Maintaining Mirrored Systems 8.Set up the root mirror9. Get to the boot prompt 5.Create md.tab.newhostname login root Password root password Maintaining Mirrored SystemsRestoring specific files from a CMSADM backup Maintaining Mirrored SystemsAdding new disks to a standard mirrored system hostname login root Maintaining Mirrored SystemsMaintaining Mirrored Systems Adding new disks to a nonstandard mirrored system Maintaining Mirrored SystemsMaintaining Mirrored Systems Maintaining Mirrored Systems Replacing a faulty disk Step 1 Identify the faulty diskStep 2 Identify the submirrors Maintaining Mirrored SystemsStep 3 Detach the submirrors metadetach metamirror submirrorStep 5 Replace the faulty disk drive Maintaining Mirrored SystemsStep 6: Recreate the state database replicas Maintaining Mirrored SystemsStep 8 Reboot the system boot disks only Step 7 Reattach the submirrorsSetting up replicas Replacing replicas State Database ReplicasPartitioning disks with the format command Maintaining Mirrored Systems Root Metadevice Device Names Maintaining Mirrored Systemsb.Edit the /etc/opt/SUNWmd/md.tab file MetadeviceExamples of valid system files Valid vfstab filesValid md.tab files Excessively long resync Troubleshooting4Solstice DiskSuite problems probe-scsi-all The system fails to recognize all disk drivesTroubleshooting probe-fcal-allconsole login root Password ok setenv auto-boot?trueok boot -r Unit 0 Disk SEAGATE ST34371W SUN4.2G74629737K6748Fixing “needs maintenance” messages TroubleshootingPrimary boot device is not available Boot problemsTrying to boot from the wrong device Excessive reboot time TroubleshootingFile Name Log filesTroubleshooting DescriptionError Messages Error messagesTroubleshooting Message Explanation ResponseMessage Explanation Response TroubleshootingError Messages Continued Message Explanation ResponseTroubleshooting Troubleshooting filename restored from filebackup TroubleshootingMessage Response TroubleshootingError Messages Continued Message ResponseMessage Explanation Response TroubleshootingError Messages Continued Message ResponseMessage Response TroubleshootingError Messages Continued Message Explanation ResponseTroubleshooting Symbols Indexupgrading partitioningtape drives and increasing system capacityHow Are We Doing?