Tonight, on IRC, we solved the following problem (original posted to 
http://www.nabble.com/Removable-HDD-backup-to14286773.html):

> My goal is to have bacula backup onto an external HDD source that 
 > rotates.  As in, there are three HDDs in rotation and at least one
 > different HDD is put into the server every night.  The other two HDDs
 > are off somewhere safe.  I need bacula to backup onto each HDD in such
 > a way that a any of the HDDs will restore most of the files (as recent
 > as it can be with the rotation schedule).
> 
> Now I'm not sure if I should make bacula have more than one volume or 
 > if it can auto create volumes when another blank drive is present...
 > any suggestions would be excellent.

After concluding Bacula can't do this without Bacula knowing what was on 
each given HDD.  I figured it could be done but it would be messy.  It 
would involve three different FileSet definitions for each client, etc...

Then the original figured we could just backup to local fixed HDD, then 
copy the Bacula volumes over to the HDD.  I suggested rsync instead.

This solution has the great features of always having a complete backup 
set local and at least two complete copies of the Volumes offsite at all 
times.

We all thought we should post this for the archives.  A very simple 
solution.  Suggestions welcome though.


-- 
Dan Langille - http://www.langille.org/
BSDCan - The Technical BSD Conference: http://www.bsdcan.org/

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