Am 02.03.2012 03:02, schrieb mark.bergman AT uphs.upenn DOT edu:
> => I have replaced the previous LTO-1 drive by an LTO-2 one.
> => [...] When I mounted the current backup tape in the new
> => drive, Bacula [...] refused to use it. The only difference was that
> => it had media type "LTO-1" and Bacula requested "LTO-2".
>
> Did you make any change to the bacula configuration, specifically the "Media
> Type" definition in bacula-sd.conf?
Indeed, I commented out the device section "LTO-1" in bacula-sd.conf
and uncommented the "LTO-2" section instead, effectively changing
both Name and Media Type from "LTO-1" to "LTO-2", and adapted
bacula-dir.conf accordingly. I guess that was my mistake.
> => - If I connect two LTO drives of different levels to the
> => same Bacula server, is there a way to use the same tape
> => alternatingly in both drives as supported by the
> => hardware? (*without* losing the data on it, that is)
>
> Yes.
>
> Don't change the "Media Type" string in bacula-sd.conf.
>
> In our environment, we've migrated from LTO-2 => LTO-3 => LTO-4. The
> current library can read LTO-2 tapes, and can write to LTO-3 (as per the
> LTO standard). Our bacula-sd.conf definition for "Media Type" still has
> "LTO-2", and that's written to all the tapes, including the LTO-3 and
> LTO-4 tapes, when they are labeled.
Makes sense. In that case, wouldn't it be better if the default
bacula-sd.conf distributed with Bacula would just say
"Media Type = LTO" for all the LTO devices? That would reduce
the temptation to change that field when changing drives.
Another question: Is there a way to fix the mix-up I've created?
"update volume" doesn't let me change the media type. Can I just
run the MySQL query
update Media set MediaType = 'LTO-2' where MediaType = 'LTO-1'
or is there more to it?
Thanks,
Tilman
--
Tilman Schmidt
Phoenix Software GmbH
Bonn, Germany
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