--- On Thu, 12/4/08, Ralf Gross <Ralf-Lists AT ralfgross DOT de> wrote:

> From: Ralf Gross <Ralf-Lists AT ralfgross DOT de>
> Subject: Re: [Bacula-users] Can I enable compression in the schedule resource?
> To: "T. Horsnell" <tsh AT mrc-lmb.cam.ac DOT uk>
> Cc: bacula-users AT lists.sourceforge DOT net
> Date: Thursday, December 4, 2008, 5:34 AM
> T. Horsnell schrieb:
> > >>   I want to know if this is possible, I have
> 1 tape device where I
> > >>save my Full backups, my Differential backups
> goes to my hard disk,
> > >>when I run the Full backups, my compression is
> disable in order to use
> > >>my device HW compression, but my differential
> backups have the
> > >>compression enable, because I don't have
> to much space to save each
> > >>Diff backup, is all my problem.
> > >>
> > >>   To enable, I have to open the
> bacula-dir.conf fiel chage my
> > >>settings and done, reload the file, but I was
> wondering if I bacula
> > >>can handle this alone,?
> > >>
> > >>   Like in the same Schedule Resource to put
> compression=GZIP and with
> > >>this the job will run my :
> > >>
> > >>Run = Level = Differential Storage = File Pool
> = MueblexDiffFile
> > >>compression=GZIP tue-thu at 19:00
> > >>
> > >>compression=GZIP/off something like this.
> > >>
> > >> Went this schedule run, will compress my
> files, that's all.
> > >
> > >
> > >This is not possible right now. I did send a
> feature request about
> > >this earlier this year.
> > >
> >
> >http://thread.gmane.org/gmane.comp.sysutils.backup.bacula.general/41299
> > >
> > >But it seems to be lost, I can't find it in
> the current file where the
> > >feature requests are collected.
> > >
> > >Ralf
> > >
> > >
> > 
> > Does it slow your full backup down too much if you use
> GZIP for it as well,
> > instead of hardware compression?
> 
> Yes, several 100 GB of data. For full backups is makes no
> sense to use
> software compression, for incremental backups to disk it
> would be
> perfect (only few changes each day).
> 
> Ralf
> 
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I also backup to tape and disk. I had to define the file set twice, only 
difference is the compression option. The tape file set has compression off and 
disk file set has compression on.



Hemant Shah
E-mail: hjrrs AT yahoo DOT com


      

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