Bacula-users

[Bacula-users] Antwort: Re: Large scale disk based backups

2009-04-28 06:55:22
Subject: [Bacula-users] Antwort: Re: Large scale disk based backups
From: C.Keschnat AT internet-mit-iQ DOT de
To: Dan Langille <dan AT langille DOT org>
Date: Tue, 28 Apr 2009 12:50:52 +0200

Dan Langille <dan AT langille DOT org> wrote on 28.04.2009 12:35:01:

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> Henrik Johansen wrote:
> > Dan Langille wrote:
> > Henrik Johansen wrote:
> >>>> Hi list,
> >>>>
> >>>> I have some questions regarding disk based backups that I hope some
> >>>> of you
> >>>> could answer for me. I am currently managing 100+ UNIX systems that
> >>>> are backed up using a variety of scripts which I really would like to
> >>>> replace with something solid, flexible, scalable and easy to manage.
> >>>>
> >>>> Bacula seems to be heavily centralized around tape and my head hurts
> >>>> a bit from trying to figure out how to do efficient disk baseed
> >>>> backup for 100+ clients without shooting myself in the foot :)
> >
> > Why do you conclude it is highly centralized around tape?
> >
> >> I am not concluding anything? When going through the manual I found that
> >> a lot was written about tape and less about disk, hence it *seems* more
> >> about tape then disk - at least to me.
>
> Consider that Bacula backs up to Volumes.  Volumes belong to Pools.  To
> Bacula, Volumes can be tapes or disk (and other media).  There is no
> difference to Bacula.  The format is the same.  The scheduling,
> retention, etc, all the same.
>
> I think more is written about tape because those particular sections of
> the documentation was written before disk backup was implemented. I find
> myself talking and writing about tapes more than disks.  This may be
> because I backup to tape more than to disk.  These are unproven theories.
>
> - --
> Dan Langille

Isn't the only way to backup to disks by emulating tape drives? I'm specifically
talking about http://sourceforge.net/docman/display_doc.php?docid=47704&group_id=50727
As I understand it, bacula itself doesn't support drives other than tapes. Am I wrong?

Chris
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