Bacula-users

Re: [Bacula-users] Prefer disks over tape in restoring

2016-01-22 05:32:21
Subject: Re: [Bacula-users] Prefer disks over tape in restoring
From: "J. Echter" <j.echter AT echter-kuechen-elektro DOT de>
To: bacula-users AT lists.sourceforge DOT net
Date: Fri, 22 Jan 2016 11:14:01 +0100
Hi,

you could use copy jobs (copying backups to tape), bacula will only ask
for tapes if there is no local backup.

greetings

Am 22.01.2016 um 11:01 schrieb Ana Emília M. Arruda:
> Hello Andrea,
> 
> Do you have 2 different jobs to accomplish this? I do not understand
> what do you mean when you say "The Fileset is the same for both jobs".
> If you use different jobs, one for doing the disk backups (monthly full
> and daily diff/incr) and another one for the tape backups (weekly full),
> both with the same FileSet, the daily diff/incr disk backups should
> reference the monthly full disk backups and not the weekly full tape
> backups.
> 
> Best regards,
> Ana
> 
> On Fri, Jan 22, 2016 at 10:43 AM, Andrea Venturoli <ml AT netfence DOT it
> <mailto:ml AT netfence DOT it>> wrote:
> 
>     Hello.
> 
>     I'm loosing myself in what I think should be a pretty easy thing,
>     probabily a FAQ, but I could not find a clear answer...
> 
> 
> 
>     My situation is as follows:
>     _ I do monthly full and daily diff/incr backup to a NAS (this is fast
>     and easy);
>     _ I also do weekly full backups to tapes (slow, unconfortable, but
>     safer).
> 
>     The Fileset is the same for both jobs.
> 
>     So, in case of a restore, bacula selects the last tape backup (since
>     it's usually more recent than the last full disk backup) and subsequent
>     diff and incr from disk.
>     This is coherent with the fact that diff/incr backups are made with
>     reference to the last full (on tape) backup.
> 
> 
> 
>     What I'd like to achieve, instead, is to always use restore from disk
>     and leave tapes as a last resort, in case something really went bad.
> 
>     Is there a way I can tell bacula to almost ignore tape backups, so:
>     a) always use the last disk full as a reference for subsequent
>     diff/incr;
>     a) always restore from disk, unless I really ask for the tape (e.g. by
>     job number)?
> 
>     Is there a flag I can mark the tape pool with?
> 
> 
> 
>     I thought:
>     a) do a VirtualFull from disk to tape, but that would then again be used
>     as a reference full, wouldn't it?
>     b) do a Copy: this should work, but I'd need to copy several
>     full/diff/incr jobs (not having a complete up to date full);
>     c) purge the tape job just after doing it, but then I would only be able
>     to bextract from it and I would have no track of it in the DB;
>     d) do a VirtualFull on disk, copy it to tape, delete it (since it would
>     take too much space on the NAS), but should it really be this difficult?
>     e) is that what archive pools (currently unimplemented AFAIK) are for?
> 
> 
> 
>     Any hint appreciated.
> 
>       bye & Thanks
>             av.
> 
>     
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