Technical data

11
Using BACKUP
You can guard against data loss or corruption by using the OpenVMS Backup
utility (BACKUP) to create copies of your files, directories, and disks. In case of a
problem—for example, a disk drive failure—you can restore the backup copy and
continue your work with minimal disruption.
Information Provided in This Chapter
This chapter describes the following tasks:
Task Section
Formulating a BACKUP strategy Section 11.3
Setting process quotas for efficient backups Section 11.7
Using disks and tapes Section 11.8
Listing the contents of a BACKUP save set Section 11.10
Backing up user disks and volume shadow sets Section 11.15
Restoring user disks and volume shadow sets Section 11.16
Backing up and restoring the system disk Section 11.17
Ensuring data integrity Section 11.18
Troubleshooting Section 11.19
This chapter explains the following concepts:
Concept Section
Types of backups Section 11.2
The BACKUP command line Section 11.4.1
The Backup Manager Section 11.4.2
Save sets Section 11.5
BACKUP file formats Section 11.6
Volume initialization Section 11.8.1
OPCOM and volumes Section 11.9
Multivolume BACKUP operations Section 11.11
BACKUP tape label processing Section 11.12
Standalone BACKUP (VAX only) Section 11.17.2
See Guidelines for OpenVMS Cluster Configurations for information about
using BACKUP when your backup medium is connected to a Fibre Channel
interconnect.
Using BACKUP 11–1