This is not a solution at all, because Bacula every time you create new backup 
will create new virtual tapes, and since rsync "deduplicate" only files, not 
entire amount of data that is going to be transfared, this do not solve 
anything for us. Acctually I am not even sure if we would use LVM on botom and 
rsync those snapshots of a LVM volumes, I guess rsync do not compare hashes of 
all blocks of transfered but only first block hash with a first block, second 
with a second,... So again, rsync would not be help even in this case.

:-( 

-----Original Message-----
From: John Drescher [mailto:drescherjm AT gmail DOT com] 
Sent: Thursday, October 15, 2009 3:44 PM
To: Sébastien VINOT
Cc: bacula-users AT lists.sourceforge DOT net
Subject: Re: [Bacula-users] Copying backup "On the fly"

> I'm using bacula for servers but the problem is that both servers and 
> where bacula runs are on the same room. I'd like to know how to 
> implement a duplication of the data bacula stores in order to put a 
> copy on another location (via internet). Of course it is not possible 
> to copy simply the backup file because it is too big.

One suggestion. Make the volumes smaller. 1 to 10GB should be fine.
Then use rsync (possibly run from a cron job) to send the volumes offsite.

John

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