Re: [Bacula-users] concurrent jobs when using 'one volume per job'

Hi,

16.04.2009 09:04, James Harper wrote:
> I am using one disk volume per job, and I would like to run multiple
> backups at once. This would require the storage daemon to have multiple
> volumes open at once.

Right. More in Bacula terms, you'd need several storage devices.

> Is this supported?

More or less - again, a terminology issue.

> I would have guess not, but the
> docs say "... This can be avoided by having each simultaneous job write
> to a different volume", but doesn't say if each volume must be mounted
> under a different storage...

It's probably not written explicitly, but Bacula can only handle one 
volume per storage device, because Bacula treats all volumes similar 
to tapes.

So you need several storage devices, which all access the same set of 
volume files. That can be done and most flexibility is ensured by 
using them as a tape changer.

In Bacula, you'd do this with the "fake changer" approach or using 
vtape. I've got no experience with the latter, but the former is 
documented in the form of a sample script somewhere in the package.

Arno

> 
> I'm using the current 3.0.0 from svn.
> 
> Thanks
> 
> James
> 
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-- 
Arno Lehmann
IT-Service Lehmann
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