Storix-software SBAdmin TSM Edition Users Guide Manuale Utente Scaricare il pdf (Pagina 66)

Storix System Backup Administrator 66 Version 8.2 TSM Edition User Guide

Manually Expiring a Backup

To manually expire a backup, first perform any one of the various methods to view the backup label. Then

select the Expire/Remove button at the bottom of the screen.

Automatic Expiration of Backups

The Backup Retention Policies determines if and when an old backup may be overwritten by a new backup.

Any time an old backup is overwritten by a new one, the previous backup label must be expired as the data

the label points to will no longer exist.

For tape backups, if the Tape Overwrite/Retention Policy has been set to allow current labels to be

overwritten by new backup jobs, the backup being overwritten will be automatically expired, allowing the

tape to be overwritten by a new backup.

For TSM backups, expiration of the backup label also means removing the actual backup image files from

the server. The TSM Backup Retention Policy determines when a prior backup can be automatically

expired.

The TSM retention policy only applies when writing a new backup using the same backup job

. When this

occurs, the policy may allow:

1. no backups to be expired, removed or overwritten without manual expiration.

2. automatic expiration of backups using the same job

that are older than a certain number of days

3. expiration of a backup only if there are a minimum number of un-expired backups of the same job

remaining.

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Storix-software SBAdmin TSM Edition Users Guide Manuale Utente Pagina 66