> Thank you for taking the time to explain this.
>
You are welcome.

>
> I want to make sure I have understood this correctly before I proceed:
>
> 1. change the retention period for my "desktop" pool from 3 months to 1 week 
> in the bacula-dir.conf file so that it is applied to new volumes in future.
>
> 2.  In bconsole -> update-> Pool from resource -> desktop ( to update 
> existing volumes only in the desktop pool).
>
> 3. In bconsole select volumes (desktop pool) and mark them Full or Used. Then 
>  the 1 week retention period start from the time the volume gets FULL.
>
> 4. After 1 week the jobs on this tape will expire and the FULL backup of the 
> clients will automatically kick in.
>

 No jobs will expire and a full backup will not automatically kick in.
Both of these will happen some time after the volume is recycled. See
my answer to the next question.

>
> 5. Once the tape is expired it is not recycled automatically. If there is 
> another tape in the APPEND status in the pool it will use that tape. Only if 
> next time bacula needs a volume and has none in the append state it will use 
> the tape with expired retention period.
>
After a volume is recycled all jobs on that volume are expired. If the
next incremental or differential backup is scheduled for a client and
there are no full backups left the differential or incremental will be
promoted to a full backup.

John

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