John Drescher wrote:

>>  Well another failed backup and now I've learned some more things.
>>  First, when Bacula executes the "mtx-changer load", it will wait five
>>  minutes for a response, and if none comes it will kill the child process
>>  and the job will end with an error.  This is regardless of anything you
>>  have in the mtx-changer script.  Therefore, it does no good to increase
>>  the sleep or the wait_for_drive in any way that will go over 5 minutes
>>  (starting with the  "mtx -f $ctl" command, which in itself takes about
>>  20 sec on my machine.)
>>
> There are three wait times that are set to 5 minutes that may come
> into play here.
> 
> Maximum Changer Wait = time
>     This directive specifies the maximum time in seconds for Bacula to
> wait for an autochanger to change the volume. If this time is
> exceeded, Bacula will invalidate the Volume slot number stored in the
> catalog and try again. If no additional changer volumes exist, Bacula
> will ask the operator to intervene. The default is 5 minutes.
> 
> Maximum Rewind Wait = time
>     This directive specifies the maximum time in seconds for Bacula to
> wait for a rewind before timing out. If this time is exceeded, Bacula
> will cancel the job. The default is 5 minutes.
> 
> Maximum Open Wait = time
>     This directive specifies the maximum time in seconds for Bacula to
> wait for a open before timing out. If this time is exceeded, Bacula
> will cancel the job. The default is 5 minutes.
> 
> 
> http://bacula.org/en/rel-manual/Storage_Daemon_Configuratio.html
> 
> I believe the "Maximum Open Wait" is the one causing the job to be terminated.

Increasing "Maximum Open Wait" did not fix the problem.  The timeout still 
occurs 
after 5 min.  I'll test "Maximum Changer Wait" next.  I think that might be it.

Mark


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