On 09/08/10 10:25, Jon Schewe wrote:
>  When a full backup is purged, does bacula automatically purge the
> differentials and incrementals based on that full?

No, it does not.

> What do I need to do
> to ensure this happens? Is it just a matter of setting the retention
> periods? Can this be done with a single pool that holds all fulls,
> differentials and incrementals?

That's a good question, to which there isn't a simple answer.  For
myself,  I keep incrementals for only one month (differentials for two),
but referential integrity is a real (albeit overlooked) issue if you're
not keeping your Full backups at least one backup cycle longer than your
differentials and incrementals.

Even without the Full it's based on, of course, all the files in a
differential or incremental are still valid and still restorable.


-- 
  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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