Bob Hetzel wrote:

> My next thought was to try use "tar" to read and write from a tape.  That
> works fine:  I've been able to back up an entire directory and restore
> files from it.  I've also back up a single file and restored that file,
> comparing it to the original file and no differences were found.

This will not be exercising the autochanger so will probably be fine. 
What I was wondering is if you are able to restore a bacula backup 
through the autochanger.

> Upgrading to Ubuntu 9.10 brought along a ton of upgraded programs and
> libraries so I've no idea where to begin.
>
> Has anybody got any other ideas?

Have a look at this thread:

http://marc.info/?l=bacula-users&m=126281654919968&w=2

I have just set up a system using an HP library and was seeing this 
error and this thread is what I found.

Possibly the kernel has been updated on your system and broken things. I 
had to compile the latest stable to get it working.

Regards,

Richard

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