On Sun, Mar 03, 2013 at 10:50:49PM -0800, ixloran AT sent DOT at wrote:
> hello
> 
> i've set up Bacula to back up multiple machines on my LAN.
> 
> i've created a strategy/rotation of full, differential & incremental
> backups.
> 
> with all backups going only to hard drive volumes on a single NAS
> device, so far so good.
> 
> i want to put in place some "backup of the backup".
> 
> i'm considering two options:
> 
> (1) make a filesytem copy of a Bacula storage Volume from the NAS to
> another device
> 
> or 
> 
> (2) set up a 2nd rotation of backups to the 2nd device
> 
> iiuc, both get the job done.
> 
> which of the 2 approaches are recommended?
> 

I've recently implemented a new "offline backup" methodology where we
just copy the most recent full online backups for all clients to tape,
using a bacula job. 

The downside is you won't be able to use file-level restore on those
volumes, but with bls, bscan and bextract there are quite a few tools
available to "simulate" file level restores once you have restored the
disk backup volumes from tape (1 file per job, separate full /
incr. pools for every client).

The upside is that your catalog probably won't blow up like ours did once we 
started
running 100s of copy jobs. 

All the best, Uwe 


-- 
NIONEX --- Ein Unternehmen der Bertelsmann SE & Co. KGaA



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