This parameter is used by BRBACKUP to identify the volume set to be used for the backup of the database or non-database files.
Syntax:
volume_backup = <vol>|<vol_list>Default: None
The length of the volume name is limited to 10 characters.
Required values: Names of volumes that are to be used for database or other backups. If you specify more than one volume, you must separate the names with commas and enclose the list in parentheses. You can also enter
SCRATCH to deactivate automatic volume management.When BRBACKUP is started, the automatic volume management checks all the volumes in the sequence of their names in
volume_backup (only volumes whose expiration period has expired are suggested for backup). The volumes are suggested cyclically.You have two backup devices available, and three valid volumes were found in parameter
See
Selecting Volumes Automatically.The expiration period can be configured using parameter
expir_period. The automatic volume management ensures that only free volumes are offered for backup, for example, those whose expiration period has expired. As a result, you have to supply a quantity of volumes that is large enough for your selected expiration period.You perform a backup once a day, two volumes (tapes) are required; parameter
SCRATCH
To deactivate the automatic volume management, use the command
volume_backup = SCRATCH. In this case, you can mount any volume whose expiration period has expired. This name is then also recorded during the backup.