Bacula-users

Re: [Bacula-users] unwanted fullbackup

2010-11-10 04:24:55
Subject: Re: [Bacula-users] unwanted fullbackup
From: Alex Huth <a.huth AT tmr DOT net>
To: James Harper <james.harper AT bendigoit.com DOT au>
Date: Wed, 10 Nov 2010 11:25:24 +0100
On Wed, Nov 10, 2010 at 08:12:51PM +1100, James Harper wrote:
> > > on 07.11 (1st Sunday) bacula did a fullbackup like expected. Next monday
> > > a incremental like expected. On the following tuesday bacula made
> > > a fullbackup instead of the incremental, because he didn´t find a prior
> > fullbackup in the catalog.
> > >
> > > The fullbackup on the 7th was the second fullback. The first one was the
> > > initial fullbackup after the setup and start with bacula.
> > >
> > > Where do i have to search for the problem?
> > 
> > Bacula relies heavily on your clock being correct.
> > If your clock went backwards since it did the first full, it won't be able 
> > to
> > find the first full.
> > 
> > Also, if your retention for your first full has expired, it will purge it
> > even though another backup depends on it existing.
> > So perhaps your retention for your first full was too low.
> > 
> 
> Hmmm... it never occurred to me before but mucking around with the clock on 
> your director could seriously mess with your day! Advancing the clock by one 
> year by mistake would probably purge most peoples catalogues.
> 
> James
> 
This is not the case, we use NTP on every host and they are running for
a longer time.

Alex

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