Bacula-users

Re: [Bacula-users] unwanted fullbackup

2010-11-10 04:08:01
Subject: Re: [Bacula-users] unwanted fullbackup
From: Alex Huth <a.huth AT tmr DOT net>
To: Graham Keeling <graham AT equiinet DOT com>
Date: Wed, 10 Nov 2010 11:07:38 +0100
On Wed, Nov 10, 2010 at 08:44:47AM +0000, Graham Keeling wrote:

> On Wed, Nov 10, 2010 at 10:32:16AM +0100, Alex Huth wrote:
> > Hello!
> > 
> > We have a timetable for the backups, where we do fullbackups on the 1st
> > sunday, differentials on the other sundays and incremental on each other
> > day.
> > 
> > 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.
> 
This is the part of the config. For me it looks ok, or? The plan was to
have three sets of fullbackups.
---------------------------

#Default pool definition
 Pool {
       Name = Default
       Pool Type = Backup
       Recycle = yes
       AutoPrune = yes
       Volume Retention = 365 days
      }

Pool {
       Name = Full-Pool
       Pool Type = Backup
       Recycle = yes
       AutoPrune = yes
       File Retention = 3 months
       Volume Retention = 3 months
       Maximum Volume jobs = 40
       Label Format = Full-
       Maximum Volumes = 4
      }

 Pool {
       Name = Inc-Pool
       Pool Type = Backup
       Recycle = yes
       AutoPrune = yes
       File Retention = 20 days
       Volume Retention = 20 days
       Maximum Volume jobs = 216
       Label Format = Inc-
       Maximum Volumes = 7
      }

 Pool {
       Name = Diff-Pool
       Pool Type = Backup
       Recycle = yes
       AutoPrune = yes
       File Retention = 40 days
       Volume Retention = 40 days
       Maximum Volume jobs = 36
       Label Format = Diff-
       Maximum Volumes = 10
      }

# Scratch pool definition
 Pool {
       Name = Scratch
       Pool Type = Backup
     }
-------------------------------------------------------


 
Alex Huth
 


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