> I use two pools to hold DDS-4 and DDS-3 tapes respectively. All tapes have 
> been
> labeled and registered in their respective pools. I use normally DDS-4 tapes 
> for
> daily back-ups and the DDS-3 for special purposes like manually initiated
> back-ups of VMware vertual machines.
>
> I usually keep the current DDS-4 tape loaded and yesterday I had to reboot in
> order to work on the next Linux (and Bacula) version. When I booted back to 
> FC5
> Bacula started as expected and mounted the loaded DDS-4 tape. However, what I
> didn't see was that it assumed it belonged to the DDS-3 pool. The consequence
> was that the daily back-ups failed with error messages which ment absolutely
> nothing to me. It was not till I issued the "status storage" command that I 
> saw
> the error. An "unmount DDS-3" and a subsequent "mount DDS-4" cleared the 
> problem.
>
> I have several questions to this experience:
>
> 1. Was it a bug?
Probably but without the error message it is hard to tell.

> 2. Could I have avoided it?
Rewind or unmount the tape when booting.

> 3. Is the way I use the two pools unreliable?
No this is the correct way.

> 4. Why doesn't Bacula know which pool and storage a specific volume belong to?
>
It should. Did the DDS-4 tape have data on it? Did it rewind when the
server went down?

John

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