Bacula-users

Re: [Bacula-users] Running a fake incremental that can be considered as Full ( Database Dumps )

2012-04-18 13:57:00
Subject: Re: [Bacula-users] Running a fake incremental that can be considered as Full ( Database Dumps )
From: Martin Simmons <martin AT lispworks DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Wed, 18 Apr 2012 18:54:41 +0100
>>>>> On Wed, 18 Apr 2012 15:41:02 +0200, Hugo Letemplier said:
> 
> 2012/4/18 Hugo Letemplier <hugo.let.35 AT gmail DOT com>:
> > 2012/4/16 Christian Manal <moenoel AT informatik.uni-bremen DOT de>:
> >> On 16.04.2012 12:09, Hugo Letemplier wrote:
> >>> Hello
> >>>
> >>> I use Bacula 5.0.3
> >>>
> >>> On few linux servers I have got BDD dumps that run every nights at a
> >>> specified time.
> >>> For synchronism reasons between databases theses backups are run via
> >>> crontab and not directly from bacula.
> >>>
> >>> I need that bacula save theses databases dumps every morning
> >>> - The filesystem is a read only LVM snapshot of a Virtual Machine (
> >>> the backup is ran on the physical host and not on the virtual machine
> >>> )
> >>> - The snapshot is generated and mounted in a Run Before Job script
> >>>
> >>> Rotation schemas that deletes old dumps on the backed up server is not
> >>> the same than on the configuration of bacula servers
> >>>
> >>> I need bacula to :
> >>> - Run a full
> >>> - Save only the dumps that haven't been already backed up .
> >>>
> >>> I must have a full:
> >>> - If I do increments, I will need to keep the full and this is not
> >>> what I want, if the full is deleted it will create a new one
> >>> - Moreover a DB dump as no dependency in previous dumps
> >>>
> >>> I can't select only the dump of the day :
> >>> - If bacula job is not working one day, the next one must backup the
> >>> "missed db dump" that where not backed up during the failed job
> >>>
> >>> I can't use a predefined list of files in fileset because the estimate
> >>> seems to be done before "Run Before Job" script that generates the
> >>> snapshot so it doesn't validate the include path.
> >>> File = "\\|bash -c \"find …… wont work because it's ran before my
> >>> snapshot creation
> >>>
> >>> I think that it rests "options sections" from fileset but I didn't
> >>> found anything that's fine
> >>>
> >>> In fact I want to run a full that saves only files since the last
> >>> successful backup without using the incremental method because it will
> >>> generate a full that will be deleted so I will have a useless FULL -
> >>> INC dependence
> >>>
> >>> Have you got an idea ?
> >>>
> >>> Thanks
> >>
> >> Hi,
> >>
> >> if I understand you right, you want Bacula's virtual backup. You can run
> >> your usual Full and Incremental jobs and then consolidate them into a
> >> new Full backup. See
> >>
> >> http://bacula.org/5.2.x-manuals/en/main/main/New_Features_in_3_0_0.html#SECTION001370000000000000000
> >>
> >>
> >> Regards,
> >> Christian Manal
> >>
> >>
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> >
> > I dont think that Virtual Backup can help me.
> > Moreover, I can't put a virtual Backup in the same pool than the
> > previous full so it
> >
> > My first idea was to move/rename the files that have been backed up
> > after each job so they wont match a regexp option in fileset
> > => This is not possible because of the Read Only FS
> >
> > I think that i am gonna store a file list from the previous job on the 
> > director
> > Then I will read this list as an exclude list in the next job
> > I think that it's fine because every dump file has a unique file name
> > with a timestamp
> 
> My option regexp is working to select good files
> Among this selection I Exclude all files that are in a  list with :
> Exclude {
>         File = "\\</var/lib/bacula/lastjob.list"
>  }
> This list as been generated at the end of the previous job and
> contains a listing of the already saved files
> 
> I have run the file daemon with -d 200 -v -f
> It says that the exclude file list as been imported but file Excluding
> doesn't work
> 
> Have you got an idea ?

The format of /var/lib/bacula/lastjob.list might be wrong -- can you give an
example of its contents?

Also, is that file on the client machine (as you've used the \\< syntax)?  If
the file on the Director machine then remove the \\.

__Martin

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