Bacula-users

Re: [Bacula-users] Overwriting expired File Volume

2011-02-07 10:45:29
Subject: Re: [Bacula-users] Overwriting expired File Volume
From: Graham Keeling <graham AT equiinet DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 7 Feb 2011 15:43:31 +0000
On Mon, Feb 07, 2011 at 03:31:20PM +0000, Graham Keeling wrote:
> On Mon, Feb 07, 2011 at 10:09:12AM -0500, Josh Fisher wrote:
> > On 2/7/2011 6:54 AM, Graham Keeling wrote:
> >> On Mon, Feb 07, 2011 at 06:43:17AM -0500, Phil Stracchino wrote:
> >>> On 02/07/11 04:11, xunil321 wrote:
> >>>> I have a lack of understanding concerning the handling of a disk based 
> >>>> file
> >>>> volume to
> >>>> avoid a disk overflow. 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?
> >>> Starting with 5.0.x, there is a feature by which purged disk volumes can
> >>> be automatically truncated.  This feature was BROKEN AND UNSAFE in
> >>> 5.0.1.  It is my recollection that it is fixed, and works properly, in
> >>> 5.0.3...  but as with all things, test first before you put it into
> >>> production, just to be sure.
> >> I can save you some testing and tell you that this feature doesn't work 
> >> because
> >> it doesn't truncate automatically.
> >>
> >> See the last comment here:
> >>
> >> http://sourcefORGE.NET/apps/wordpress/bacula/2010/02/01/new-actiononpurge-feature/
> >
> > It does work with 5.0.3. A simple console command, 'purge volume  
> > action=all pool=pool_name', can easily be scripted with the RunScript  
> > directive. I run it as a "run after" script in my catalog backup job,  
> > but it can be run before a particular job, etc. just as easily.
> 
> I stand corrected! I shall try this out, one day.
> So I need a RunScript on every job, which runs the truncate commands for each
> pool that the job uses.
> Thank you.

It occurs to me that I might prefer to run the 'truncate all' command via
a cron job, at some point in the day that bacula doesn't know about.

Is there a reason, or reasons, that I should not do this?


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