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Re: [Bacula-devel] option to disable compression depending on storage type (disk/tape)


Arno Lehmann schrieb:
> Hi,
> 
> 10.01.2008 16:55, Ralf Gross wrote:
> > Hi,
> > 
> > up to now I made only tape based backups. Now I wanted to use disk
> > volumes for incremental and differential backups, because of the very
> > small deltas, but still tapes for the full backups.
> > 
> > The compression option is part of the FileSet and can not be changed
> > based on the storage type. For tape volumes I don't want an additional
> > software compression. For disk volumes it would make sense to use it.
> > Using different fileset for a jobs breaks the inc/diff/full cycle.
> > 
> > How complex would it be to implement a flag in the sd resource which
> > enabled/disables compression? Or an additional override feature for
> > compression in the schedule resource?
> > 
> > I didn't find anything  related on the project page. Would it make
> > sense to implement this as an project or is it possible that this will
> > eventually be realized without an extra project?
> 
> Alternatively, you could set up a compressed file system or block 
> device. I never tried that, but there seem to be a few options - under 
> linux, cloop would be one, compFUSEd another one.

I thought about that, but I'm not sure how stable these FS's are.
cloops seems to be read only and outdated. compFUSEd looks a bit more
recent, but should not be used on a production machine.

Ralf

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