On Thu, May 2, 2013 at 1:39 PM, Dimitri Maziuk <dmaziuk AT bmrb.wisc DOT edu> 
wrote:
> Hi everyone,
>
> this must be a FAQ but neither TFM nor google are being very helpful...
>
> I have a storage server with 12 SATA drives on an HBA. I want to backup
> to those drives, using file volumes of 50GB or less. The idea is to
> manually swap the drives as they get full.
>
> I'm looking for the implementation with least moving parts. From what I
> see out there my choices are
>
> 1. Autochanger.
>
> Can I just omit the "Changer Command =" (or set it to /bin/true) and
> it'll magically work?
>
> Or do I have to have a "fake autochanger" script -- and if I do, how is
> it supposed to work with 12 drives all mounted at once? E.g. TFM has an
> example of 2-drive configuration, but it doesn't say what "mtx-chager
> loaded" is supposed to return in that case.
>
> 2. Give each client its own disk. I'll consider it if all else fails,
> but obviously this is far from optmal.
>
> Any suggestions?

Use the bacula vchanger to create a virtual disk autochanger.

http://sourceforge.net/projects/vchanger/

Make each hard disk a virtual magazine with a set of fixed size volumes.

John

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