On 03.01.2013 08:19, Gary R, Schmidt wrote:
>> Does anyone know whether bacula can be made to work on a block-level
>> dedupe storage system? Are there any plans to support this
>> technology?
>
> What magic are you expecting?

If I had to guess I'd say he wants to backup de-duplicated data only 
once instead of re-duplicating it. You're correct if you say "of course 
it's going to work" - after all, it's transparent on filesystem level. 
But depending on how redundant the data on the drive actually is, you 
might end up with a backup several times the original disk size - unless 
there is some mechanism to make bacula aware of which parts of the data 
is redundant. Backing up redundant data kinda defeats the purpose of 
deduping.

-- 

Mit freundlichen Grüßen

Sven Tegethoff
EDV-Team

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