Bacula-users

Re: [Bacula-users] Overwriting expired File Volume

2011-02-07 10:05:15
Subject: Re: [Bacula-users] Overwriting expired File Volume
From: Josh Fisher <jfisher AT pvct DOT com>
To: Dan Langille <dan AT langille DOT org>
Date: Mon, 07 Feb 2011 10:02:45 -0500
On 2/7/2011 6:53 AM, Dan Langille wrote:
> On 2/7/2011 4:11 AM, xunil321 wrote:
>> I have a lack of understanding concerning the handling of a disk based file
>> volume to
>> avoid a disk overflow.
> A simple strategy: Max Num Volumes * Max Vol Space = amount of space you
> want to use.  Why not use that?
>
>   >  Let's say there is a 100MB file volume "Volume-1".
>> What will be
>> happen after the Volume Retention Period when the Recycle and AutoPrune are
>> set to
>> "Yes" in our Pool setup?
>> Will Bacula 5.0.2 clean the 100MB contents of the file "Volume-1" so that it
>> will start from
>> scratch or do i have to delete/relabel the volume manually for further
>> usage?
> The answer depends on your Pool configuration directives.
>
> It is important to read and understand the volume recycling algorithm,
> particularly the fact that Bacula will prefer to create a new volume
> instead of overwriting a volume:
>
> http://www.bacula.org/5.0.x-manuals/en/main/main/Automatic_Volume_Recycling.html
>
> Strictly speaking, you do not *have* to delete/relabel, manually or
> otherwise.

Also note that setting ActionOnPurge=Truncate in the pool will only 
affect new volumes. Existing volumes have to have their ActionOnPurge 
set to Truncate by manually updating the volume in bconsole.


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