Bacula-users

[Bacula-users] multiple mtx-changer scripts

2008-07-21 20:25:21
Subject: [Bacula-users] multiple mtx-changer scripts
From: Mark Nienberg <gmane AT tippingmar DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Mon, 21 Jul 2008 17:25:03 -0700
I'd like to be able to use a different version of the mtx-changer script when I 
use 
bconsole than the one I assigned to the "Changer Command" in bacula-sd.conf.  I 
guess 
I can script a wrapper for bconsole to rename the mtx-changer scripts as needed 
and 
then change them back afterward.  Or I could write a script to run before and 
after 
scheduled jobs to do the same thing.  But if anyone has a better idea I'd like 
to 
hear it.  Ideal solution would be if the mtx-changer script could recognize if 
it is 
being called from bconsole vs a bacula backup or restore job.

Thanks,

Mark

P.S. Why?  Because I have modified the "load" command to use "btape" to read 
the 
bacula label on the volume after loading it.  If it fails, then it unloads and 
reloads the tape and tries again. This is an attempt to automatically fix the 
I/O 
problem that happens about 10-20% of the times bacula changes a tape in the 
middle of 
a backup.  Note that it is not a timing problem.  It happens even after 
"wait_for_drive" returns ready.  Obviously, when working at bconsole, there are 
some 
commands that I have to perform on tapes that have no labels, so I need a 
different 
"load" command.  But don't get bogged down thinking about all this, just think 
about 
the question above, OK?


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