Re: [Bacula-users] Understanding purge

Hi Phil,
I have set a size limit of 5Gb on each volume.  My daily incrementals
are using over 300 such volumes at the moment, so 200 will be nowhere
near enough to do a full backup of all the clients at year end, so
I'll be increasing that before then.  My problem is I don't have
enough disk space to circulate around the pools, and therefore can't
add any more clients.  If I could keep the volumes truncated after a
copy or migrate then the full disk capacity (over 4Tb) would be
available for the next scheduled backups.   This is why I need the
disk space freed up as soon as a copy happens, so that the next backup
(be it daily, weekly, monthly or yearly) will have enough space for
all it's disk volumes.  My monthly full backups are using over 800 of
these 5Gb volumes right now.

Dermot.

On 11/17/10 05:48, Dermot Beirne wrote:
> Hi Phil,
>
> Here is the pool definitions I'm using.
>
> Is there some way I can get the entire "disk" pool volumes purged when
> they expire, so they are all truncated and all that space is released.
>  I don't need them once they are copied to tape.  Would a migrate job
> instead of a copy job work better in this regard?


I think part of the problem here is that you appear to have far, far,
far too many volumes allowed in your Pools.  Bacula will always avoid
purging a volume as long as it can avoid it, so, if you have a maximum
of 200 volumes in your Yearly disk pool (which you do), and you run that
job once a year (which one assumes you plan to), then it's going to be
about 200 years before Bacula has to purge a volume from it.


-- 
  Phil Stracchino, CDK#2     DoD#299792458     ICBM: 43.5607, -71.355
  alaric AT caerllewys DOT net   alaric AT metrocast DOT net   phil AT 
co.ordinate DOT org
         Renaissance Man, Unix ronin, Perl hacker, Free Stater
                 It's not the years, it's the mileage.

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