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availability management
Managing recovery from relatively common computer system outages such as a disk
drive head crash. Recovery is often accomplished by using disk mirroring and other
forms of RAID technology, or by maintaining onsite backup copies of data.
available space
The amount of space, in megabytes, that is available to the database and recovery
log. This space can be used to extend the capacity of the database or recovery log,
or to provide sufficient free space before a volume is deleted from the database or
recovery log.
awk
In AIX, a pattern-matching program for processing text files. With the DRM
product, you can use an awk script to break up the disaster recovery plan file into
usable parts.
B
background process
A server process that runs in the background, allowing the administrative session to
be used for other work.
backup
The process of copying information for safekeeping. TSM has processes for backing
up user files, the TSM database, and storage pools. For example, users can back up
one or more files to a storage pool to ensure against loss of data. Contrast with
restore. See also database backup series and incremental backup.
backup-archive client
A program that runs on a workstation or file server and provides a means for users
to back up, archive, restore, and retrieve files. Contrast with administrative client.
backup copy
A user file that has been backed up to a TSM storage pool.
backup copy group
A policy object containing attributes that control the generation, destination, and
expiration of backup files. A backup copy group belongs to a management class.
backup retention grace period
The number of days that TSM retains a backup version after the server is unable to
rebind the file to an appropriate management class.
backup series
See database backup series.
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Tivoli Storage Manager Messages
Glossary