On Feb 3, 2013, at 1:42 PM, Nasos Nikologiannis wrote:
> I have a Bacula test setup running in order to decide about volume rotation
> before migrating to production.
>
> The setup includes multi pools with volume rotation, one pool per client per
> backup type (full, differential, incremental).
>
> I observed that although I change the Volume Retention period to another
> (shorter) value, that doesn't reflect neither to actual volume rotation
> mechanism nor
> to actual volumes number written to the disk (storage daemon). Maximum
> Volumes directive doesn't seem to work either.
>
> The Volume Retention period for a client with incremental backup type was
> initially set to 20 minutes that resulted 5 Volumes given that the job was
> set to run every 5 minutes.
> After changing the Volume Retention period to 10 minutes, Bacula kept
> rotating the same 5 Volumes as before ignoring the change (I restarted the
> director daemon just after the change to be sure).
> I also tried to set Maximum Volumes directive to 3 but this was also ignored.
>
> Is the above behaviour normal? I also want to ask what is the purpose of
> Maximum Volumes directive, given that the volume rotation is managed
> exclusively by Volume Retention period
> (Volume Retention period decides when to start recycling the volumes).
>
Yes, this is expected behavior if you have not run the update command.
Run it in console to refresh:
* the pool definition
* the volume characteristics from the pool
Keep in mind: a Pool definition contains the parameters to be used when a
Volume is created. Thereafter, it has no effect on that Pool. Consider the
Pool definition to be template, not a set of common parameters.
--
Dan Langille - http://langille.org
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