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Lucent Technologies 585-210-940 manual Index

Models: 585-210-940

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CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems

iii

Partitioning disks with the format command	76
How to tell whether your mirrored system is standard	78
Examples of valid system files	79
Valid vfstab files	79
Valid md.tab files	80
Chapter 4: Troubleshooting
Solstice DiskSuite problems	81
The root filesystem runs out of space during a system install	81
Excessively long resync	81
The system fails to recognize all disk drives	82
Fixing “needs maintenance” messages	84
Boot problems	85
Trying to boot from the wrong device	85
Primary boot device is not available	85
Excessive reboot time	86
Log files	87
Error messages	88
Index	97

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Lucent Technologies 585-210-940 manual Index

Contents

Release 3 Version Disk-MirroredSystems 585-210-940Comcode 108502352 Issue 1 DecemberCentreVu Call Management System Copyright  1999 Lucent Technologies Table of Contents Page Index Page Metadevices Introduction to Disk Mirroring1Disk mirroring defined Introduction to Disk Mirroring Concatenatedmetadevices State databases MirrorsSolstice DiskSuite Introduction to Disk Mirroringd21 d20 How CMS implements disk mirroringIntroduction to Disk Mirroring d13 d12 Introduction to Disk Mirroringd17 d16 swapcomputer Mirror layoutsEnterprise Introduction to Disk Mirroring Enterprisecomputer Additional references Required softwareHow CMS implements disk mirroring Introduction to Disk MirroringDisk drive slots Installing Mirrored SystemsInstalling Mirrored Systems Increasing system capacityStep 1 Identify mirror devices Installing Mirrored Systems Enterprise Step 2 Install the mirror disks on ansystem Installing Mirrored Systems Installing Mirrored Systems Step 4 Partition the mirror disksInstalling Mirrored Systems Installing Mirrored Systems Step 5 Create the state database replicasStep 6 Create the md.tab table entries 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 mirrorDisk Space Verification Step 10 Verify disk spaceInstalling Mirrored Systems 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 Step 2 Install the new drives Restoring a mirrored system from a CMSADM backupStep 1 Power off the system 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 Actionhostname login root Step 13 Restore the backupStep 14: Reestablish the disk mirrors 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 Solstice DiskSuite problems Troubleshooting4Excessively long resync 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” messagesTrying to boot from the wrong device Boot problemsPrimary boot device is not available 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?