Bacula-users

[Bacula-users] Large number of tapes?

2012-05-20 18:03:35
Subject: [Bacula-users] Large number of tapes?
From: Erich Weiler <weiler AT soe.ucsc DOT edu>
To: bacula-users AT lists.sourceforge DOT net
Date: Sun, 20 May 2012 15:00:57 -0700
Hi Y'all,

I'm looking for a little advice on a setup I have here.  I have 300TB of 
non-changing data that I need to archive.  I have a Dell ML6000 tape 
library that holds like 41 LTO-5 tapes (connected to a CentOS 6 Server), 
and I have a pile of hundreds of tapes to do this job with.

So, I was basically planning on doing a whole bunch of separate "full" 
backups with no incrementals or differentials, and then ship the tapes 
off-site.  Each backup job would be 10TB in size, so I would have like 
30 10TB chunks to back up.  This is so if any failed, it wouldn't be a 
big deal to just fix the problem and re-run that 10TB chunk again.

But, I'm wondering what happens when the whole tape library is full?  Is 
there a way I can tell it to wait while I load and label 41 more tapes 
into the same pool, then issue a "resume" command of some sort?

Or, do I have to pre-label all 300 tapes from the start (in batches), 
have them in the same pool, so bacula knows I have more tapes on the 
shelf waiting to go when the 41 tapes in the library?

Thanks for any insight!!

-erich



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