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Lucent Technologies 585-210-940 manual How Are We Doing?

Models: 585-210-940

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How Are We Doing?

Document Title: CentreVu Call Management System Release 3 Version 8

Disk-Mirrored Systems

Document No.: 585-210-940 Issue 1 Date: December 1999

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Lucent Technologies 585-210-940 manual How Are We Doing?

Contents

585-210-940Comcode 108502352 Issue 1 December CentreVu Call Management SystemRelease 3 Version Disk-MirroredSystems Copyright  1999 Lucent Technologies Table of Contents Page Index Page Introduction to Disk Mirroring1 Disk mirroring definedMetadevices Concatenated metadevicesIntroduction to Disk Mirroring State databases MirrorsSolstice DiskSuite Introduction to Disk MirroringHow CMS implements disk mirroring Introduction to Disk Mirroringd21 d20 d13 d12 Introduction to Disk Mirroringd17 d16 swapMirror layouts Enterprisecomputer Enterprise computerIntroduction to Disk Mirroring Additional references Required softwareHow CMS implements disk mirroring Introduction to Disk MirroringDisk drive slots Installing Mirrored SystemsIncreasing system capacity Step 1 Identify mirror devicesInstalling Mirrored Systems Installing Mirrored Systems Step 2 Install the mirror disks on an systemEnterprise Installing Mirrored Systems Installing Mirrored Systems Step 4 Partition the mirror disksInstalling Mirrored Systems Step 5 Create the state database replicas Step 6 Create the md.tab table entriesInstalling Mirrored Systems Installing Mirrored Systems d x y 1 deviceInstalling Mirrored Systems Password password # hostname login root#metaroot d13 # /usr/sbin/shutdown -i6 -g0 -yInstalling Mirrored Systems Step 8 Set up the mirrors for the swap spaceInstalling Mirrored Systems Installing Mirrored Systems Step 9 Set up the /cms mirrorStep 10 Verify disk space Installing Mirrored SystemsDisk Space Verification Installing Mirrored Systems Step 11 Create an alternate boot deviceInstalling Mirrored Systems Step 2 Install the operating system Step 1 Install the hardwareEnterprise EnterpriseStep 3 Install the application software Installing Mirrored Systems Step 4 Check the disk.type fileInstalling Mirrored Systems Installing Mirrored Systems Step 6 Run the setup scriptsInstalling Mirrored Systems Step 7 Verify disk spaceDisk Space Verification Installing Mirrored SystemsStep 8 Install the CMS software Step 9 Create an alternate boot deviceInstalling Mirrored Systems Installing Mirrored Systems Installing Mirrored Systems Maintaining Mirrored Systems Using the alternate boot deviceMaintaining the chkDisks crontab Canceling chkDisksActivating chkDisks Verifying chkDisks Changing the scheduled run timeStep 2 Run the backup Doing a CMSADM backup on a mirrored systemStep 1 Print the vfstab file hostname login rootMaintaining Mirrored Systems Step 3 Label and store the tapesMaintaining Mirrored Systems Restoring from a CMSADM BackupMaintaining Mirrored Systems Restoring from a CMSADM BackupRepairing /cms Repairing or rebuilding the /cms file systemRebuilding /cms Maintaining Mirrored Systems Maintaining Mirrored Systems Restoring a mirrored system from a CMSADM backup Step 1 Power off the systemStep 2 Install the new drives Maintaining Mirrored Systems Step 3 Boot the system from the compact diskTask ActionMaintaining Mirrored Systems Step 4 Identify the systemTask ActionMaintaining Mirrored Systems Step 5 Set the Name Service optionsTask ActionMaintaining Mirrored Systems Step 6 Set the date and timeTask ActionTask Maintaining Mirrored SystemsAction ResultStep 8 Select the hard disks Step 9 Set up the disk partitionsNames in Slice numbersSizes in this columnMaintaining Mirrored Systems Step 10 Install the operating systemTask ActionMaintaining Mirrored Systems Step 11 Complete the OS installationTask ActionStep 13 Restore the backup Step 14: Reestablish the disk mirrorshostname login root 9. Get to the boot prompt 8.Set up the root mirrorMaintaining Mirrored Systems 5.Create md.tab.newMaintaining Mirrored Systems hostname login root Password root passwordMaintaining Mirrored Systems Restoring specific files from a CMSADM backupAdding new disks to a standard mirrored system Maintaining Mirrored Systems hostname login rootMaintaining Mirrored Systems Maintaining Mirrored Systems Adding new disks to a nonstandard mirrored systemMaintaining Mirrored Systems Maintaining Mirrored Systems Step 1 Identify the faulty disk Replacing a faulty diskMaintaining Mirrored Systems Step 2 Identify the submirrorsmetadetach metamirror submirror Step 3 Detach the submirrorsMaintaining Mirrored Systems Step 5 Replace the faulty disk driveMaintaining Mirrored Systems Step 6: Recreate the state database replicasStep 7 Reattach the submirrors Step 8 Reboot the system boot disks onlyState Database Replicas Setting up replicas Replacing replicasPartitioning disks with the format command Maintaining Mirrored Systems b.Edit the /etc/opt/SUNWmd/md.tab file Maintaining Mirrored SystemsRoot Metadevice Device Names MetadeviceValid vfstab files Examples of valid system filesValid md.tab files Troubleshooting4 Excessively long resyncSolstice DiskSuite problems Troubleshooting The system fails to recognize all disk drivesprobe-scsi-all probe-fcal-allok boot -r ok setenv auto-boot?trueconsole login root Password Unit 0 Disk SEAGATE ST34371W SUN4.2G74629737K6748Troubleshooting Fixing “needs maintenance” messagesBoot problems Primary boot device is not availableTrying to boot from the wrong device Troubleshooting Excessive reboot timeTroubleshooting Log filesFile Name DescriptionTroubleshooting Error messagesError Messages Message Explanation ResponseError Messages Continued TroubleshootingMessage Explanation Response Message Explanation ResponseTroubleshooting Troubleshooting Troubleshooting filename restored from filebackupError Messages Continued TroubleshootingMessage Response Message ResponseError Messages Continued TroubleshootingMessage Explanation Response Message ResponseError Messages Continued TroubleshootingMessage Response Message Explanation ResponseTroubleshooting Index Symbolstape drives partitioningupgrading and increasing system capacityHow Are We Doing?