Just to clarify the situation NetBackup doesn't mix retention levels by
default, not retention periods.

We have two different retention levels both with a 10 day retention
period, one is for weekly backups and one is for quarterly. The reason
we do this is so that we can use the 'use mappings' option in the vault
to remap the retention period for the weeklies to be 12 weeks and the
retention period for the quarterlies to be infinite (mapping is done by
retention level).

Even though they both have a retention period of 10 days the backups go
to different tapes in the same tape pool because the retention level is
different.

The same thing happens in the vault - we get a different tape for each
retention level.

Regards

Richard


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