Bacula-users

Re: [Bacula-users] Count Based Retention

2008-08-14 10:30:44
Subject: Re: [Bacula-users] Count Based Retention
From: Ryan Novosielski <novosirj AT umdnj DOT edu>
To: bacula-users AT lists.sourceforge DOT net
Date: Thu, 14 Aug 2008 10:30:10 -0400
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John Yates wrote:
> Is there any way to get Bacula to expire backup jobs based on a count
> of existing jobs of the same type rather than by how old each job of a
> type is?  I am currently running a job every night that backs up to
> disk, and I want to keep the two most recent ones.  If it set the
> retention period to two days, that should ususall do the right thing,
> but if, for example, I shut off all my computers and go on vacation
> for a week, when I come back, my backups will all be expired -- not
> what I want.
> 
> I suspect that what many, if not most, people really want is to keep a
> specific number of old backups, not any that are more recent than a
> certain date.  Is there some way to make bacula work this way?  The
> Storix backup product that I have used can do this.

Are you speaking from experience with Bacula? Bacula is very reluctant
to recycle any data, especially if there are no current backups. I see
what you're getting at, but unless I'm missing something, that is not
what actually happens, so I'm guessing this is hypothetical.

There is no way without scripting to ask it to keep a certain number of
backups, though with predictable scheduling, this will happen anyway.
And if you're worried about throwing away current backups, I'm really
not convinced that it has this problem.

- --
 ---- _  _ _  _ ___  _  _  _
 |Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Systems Programmer II
 |$&| |__| |  | |__/ | \| _| |novosirj AT umdnj DOT edu - 973/972.0922 (2-0922)
 \__/ Univ. of Med. and Dent.|IST/AST - NJMS Medical Science Bldg - C630
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