>>>>> On Fri, 03 Feb 2012 18:43:51 -0300, Diego Rubert said:
> 
> Hello!
> 
> I've some problems with bacula 5.2.5 (maybe < 5.2.5) Volume 
> Retention.... It looks bacula is recycling volumes when no one is left, 
> even before volume retention period expires.... Although bacula purged 
> all jobs and files from volume, it should respect volume retention, 
> don't it?
> 
> For testing purposes, I've downloaded, compiled and installer bacula 
> 5.2.5, changing only Pool file settings:
>    Volume Use Duration = 1 minute
>    Volume Retention = 1 day
> and Client bacula-fd:
>    File Retention = 1 minute
>    Job Retention = 1 minute
> 
> So, I've created 2 volumes, Vol1 and Vol2. Then, I ran a backup job, 
> that was stored at Vol1. 1 minute later, ran another backup, Vol1 was 
> marked as used, files and job at Vol1 was purged, and backup was stored 
> at Vol2.
> 
> Another minute later I ran another backup. This time, Vol1 was recycled 
> and backup was stored on it. Since Volume Retention was set to 1 day and 
> manual says about Recycling Algorithm: "Prune volumes applying Volume 
> retention period (Volumes with VolStatus Full, Used, or Append are 
> pruned). Note, even if all the File and Job records are pruned from a 
> Volume, ***the Volume will not be marked Purged until the Volume 
> retention period expires***." 
> (http://www.bacula.org/5.2.x-manuals/en/main/main/Automatic_Volume_Recycling.html),
>  
> Vol1 shouldn't have been recycled... But log shows "There are no more 
> Jobs associated with Volume "Vol1". Marking it purged."
> 
> Any ideas?

I don't know if that is a bug in software or the doc, but is has been that way
for a long time.

Volumes with no remaining jobs will be recycled before their Volume Retention
has expired, so the best option is to use a much larger Job Retention.  That
won't affect size of the catalog database too badly, because it is mainly
affected by the number of file records (from the File Retention).

__Martin

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