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BBacking Up and Restoring the System Disk  



This appendix describes how to perform backup and restore operations on the system disk. You perform these tasks by entering commands from a specialized backup environment. You access this environment through the menu that is displayed when you boot the OpenVMS Alpha operating system CD-ROM or through an alternate method that does not require the CD-ROM.

This specialized backup environment is required because it allows you to create an exact copy of the system disk. You cannot create an exact copy in a standard operating system environment because the OpenVMS Backup utility saves only what is on the disk at the moment the BACKUP command is executing, excluding portions of open files contained in memory or data about files not yet written back to the disk (cache).

For more information about backup operations, including procedures for backing up and restoring files and directories, see the HP OpenVMS System Manager's Manual, Volume 1: Essentials.

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Reasons for Backing Up the System Disk
Suggested Procedures
OpenVMS Cluster Caution
Backing Up the System Disk
Restoring the System Disk
Alternate Backup and Restore Procedure
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