User ManualTable of Contents==============1==============1CentreVu® Call Management System Release 3 Version 8 Disk-Mirrored Systems1Table of Contents31 Introduction to Disk Mirroring7Disk mirroring defined7Metadevices7Concatenated metadevices8State databases9Mirrors9How CMS implements disk mirroring11Mirror layouts13Mirror layout on a Sun Enterprise 3000 computer13Mirror layout on a Sun Enterprise 3500 computer14Required hardware14Required software15Additional references152 Installing Mirrored Systems17How to upgrade an Enterprise platform to disk mirroring17Disk drive slots17Increasing system capacity18Step 1: Identify mirror devices18Step 2: Install the mirror disks on an Enterprise 3500 system20Step 3: Install the mirror disks on an Enterprise 3000 system22Step 4: Partition the mirror disks22Step 5: Create the state database replicas24Step 6: Create the md.tab table entries24Step 7: Set up the mirrors for the root file system26Step 8: Set up the mirrors for the swap space28Step 9: Set up the /cms mirror30Step 10: Verify disk space31Step 11: Create an alternate boot device32Factory installation procedures for disk mirroring34Step 1: Install the hardware34Step 2: Install the operating system34Step 3: Install the application software35Step 4: Check the disk.type file36Step 5: Set up the disk subsystem for Solstice DiskSuite36Step 6: Run the setup scripts38Step 7: Verify disk space39Step 8: Install the CMS software41Step 9: Create an alternate boot device413 Maintaining Mirrored Systems45Using the alternate boot device45Maintaining the chkDisks crontab46Activating chkDisks46Verifying chkDisks46Changing the scheduled run time46Canceling chkDisks46Doing a CMSADM backup on a mirrored system47Step 1: Print the vfstab file47Step 2: Run the backup47Step 3: Label and store the tapes48Restoring from a CMSADM Backup49Repairing or rebuilding the /cms file system51Repairing /cms51Rebuilding /cms52Restoring a mirrored system from a CMSADM backup55Step 1: Power off the system55Step 2: Install the new drives55Step 3: Boot the system from the compact disk56Step 4: Identify the system57Step 5: Set the Name Service options58Step 6: Set the date and time59Step 7: Select the operating system files to be installed60Step 8: Select the hard disks61Step 9: Set up the disk partitions61Step 10: Install the operating system63Step 11: Complete the OS installation64Step 12: Alter the tape configuration file (Enterprise 3500 only)64Step 13: Restore the backup65Step 14: Reestablish the disk mirrors65Restoring specific files from a CMSADM backup68Adding new disks to a standard mirrored system69Adding new disks to a nonstandard mirrored system72Replacing a faulty disk75Step 1: Identify the faulty disk75Step 2: Identify the submirrors76Step 3: Detach the submirrors77Step 4: Remove state database replicas (boot disks only)78Step 5: Replace the faulty disk drive78Step 6: Recreate the state database replicas79Step 7: Reattach the submirrors80Step 8: Reboot the system (boot disks only)80State Database Replicas81Setting up replicas81Replacing replicas81Partitioning disks with the format command82How to tell whether your mirrored system is standard84Examples of valid system files85Valid vfstab files85Valid md.tab files864 Troubleshooting87Solstice DiskSuite problems87The root filesystem runs out of space during a system install87Excessively long resync87The system fails to recognize all disk drives88Fixing “needs maintenance” messages90Boot problems91Trying to boot from the wrong device91Primary boot device is not available91Excessive reboot time92Log files93Error messages94Index103Symbols103A103B103C103D103E103F103H103I103K103L103M103N104P104R104S104T104U104V104Size: 887 KBPages: 106Language: EnglishOpen manual
