Bacula-users

Re: [Bacula-users] One Bacula server with multiple tape libraries

2008-08-27 13:08:07
Subject: Re: [Bacula-users] One Bacula server with multiple tape libraries
From: "John Drescher" <drescherjm AT gmail DOT com>
To: "Alex La Greca" <alexl AT softpi DOT it>
Date: Wed, 27 Aug 2008 13:07:59 -0400
> If I well understood in last Bacula release should be possible to define
> more than one
> multi-drive autochanger into the configuration file, and I hope that I
> could execute more
> than one backup job at the same time.
>
Both are possible and easy to do.

>
> My doubts are a little deeper:
> 1) if I execute a backup job on a tape that stays into slot 5 of library
> 2, when I start a
>    restore command of some data from that tape, is it Bacula able to
> find the right media
>    in the right slot of the right library and put it into one drive of
> that same library? Or does
>    it start always from the first drive of the whole list like some
> commercial tools ?
>
Yes.

>
> 2) is it possible, in general, to execute a multistream backup (I mean a
> backup that is
>    split on many drive in parallel as You can do with Oracle R-man
> allocating multiple sbt
>    channels at the same time as we tested in past with 16 drivers in
> parallel) ??
>
No. Bacula does not do that. But you can split your fileset into more
than 1 job and run them concurrently.

>
> 2a) and if Yes, could we split this job on multiple drivers that are
> installed on different libraries ??
>
> Thanks in advance for the answer
> Best regards
>

John

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