Bacula-users

Re: [Bacula-users] Can I enable compression in the schedule resource?

2008-12-04 07:10:54
Subject: Re: [Bacula-users] Can I enable compression in the schedule resource?
From: Ralf Gross <Ralf-Lists AT ralfgross DOT de>
To: "T. Horsnell" <tsh AT mrc-lmb.cam.ac DOT uk>
Date: Thu, 4 Dec 2008 12:34:57 +0100
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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