On Mon, May 10, 2010 at 11:48 AM, McCann, Brian <bmccann AT andmore DOT com> 
wrote:
> Hi all.  I've got a configuration issue that's been driving me nuts for weeks 
> now.  I backup several Windows machines using Bacula, to a large disk array. 
>  Each workstation gets its own pool.  My problem is that I have the pool 
> "theoretically" set to keep 15 days of backups, but currently it's got 26 
> days of files in it.  Here's a pool configuration:
>
> Pool {
>  Name = ftsstudents2
>  Use Volume Once = yes
>  Pool Type = Backup
>  LabelFormat = "ftsstudents2"
>  Auto Prune = yes
>  Volume Retention = 15d
>  Recycle = yes
> }
>
> I've read the documentation, but for the life of me I can't see why it's not 
> deleting files/backups older than 15 days.  Can anyone point me in the right 
> direction and tell me what the heck I'm doing wrong here?  I'm currently on 
> Bacula 3.0.3.
>
You need to limit the volume usage so that the volumes are marked Full
or Used. Once the volumes are marked Full or Used the retention period
begins. Since you do not have any of the 4 limiting commands you
volumes will never recycle:

Use Volume Once = yes
Volume Use Duration = ttt
Maximum Volume Jobs = nnn
Maximum Volume Bytes = mmm


See here 
http://bacula.org/5.0.x-manuals/en/main/main/Automatic_Volume_Recycling.html


John

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