Yes, we also expected to see I/O errors, but there were no
errors on the drives or the tapes.
The last process that mounted the tapes was a
backup stg.

Alexander

(The original message was written by me, but sent by Henk
due to a problem with my subscription to this list yesterday)

> Are you seeing any I/O errors on these tapes or errors on
> the drives?  What type of process was mounting the tapes -
> backup stg, reclamation etc.?
>  
> David Longo
>  
> >>> hthta AT SARA DOT NL 06/20/02 11:17AM >>>
> I couldn't find an APAR that describes what we have been seeing
> on our 4.2.1.11 (AIX 4.3.3) server during the last few weeks
> so I was wondering if we have discovered new bug.
>  
> First we got this message in the activity log:
>  
> 06/09/02   10:39:38  ANR1229W Volume 000591 cannot be backed up - volume is
>                       offline or access mode is "unavailable" or "destroyed".
>  
> We did a 'q vol f=d'. The access mode of the volume was 'Available'
> so we dismissed it as a freak incident until the message repeated
> itself the next day.
>  
> This time we opened the (3494) library and verified that the
> volume was in the correct cell.
>  
> We tried a 'restore volume' followed by a 'delete volume'.
> The delete failed:
>  
> ANR2405E DELETE VOLUME: Volume 000591 is currently in use by
> clients and/or data management operations.
> ANS8001I Return code 14.
>  
> At that time there were no processes or sessions that used
> that particular volume. Also we had four other volumes
> that displayed the same behaviour.
> We halted the server and restarted it again which solved
> the problem. The volumes were no longer 'in use'.
> Today we noticed two other volumes that seem to have
> the same problem so I'm beginning to suspect that I've found
> a bug in the server.
>  
> All these volumes have one thing in common: When I seacrh
> the activity log for their mounts and dismounts I can't
> find a dismount message after their last mount (before they
> become 'unavailable'). It is as if the volumes are unmounted
> by the library but TSM isn't being notified of this.
>  
> Anyone seen this before?
>  
> Cheers,
> Henk.
>  
>  
>  
> "MMS <health-first.org>" made the following
>  annotations on 06/20/2002 01:12:23 PM
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-----------------------------------------------
Alexander Verkooijen        (alexander AT sara DOT nl)
Alexander Verkooijen        (alexander AT sara DOT nl)
Senior Systems Programmer
SARA High Performance Computing