Hello,
perhaps the allready running process (migration, reclamation, backup stg,
etc)
is reading and writing a very big file. I think the process will not be
stoped
befor the current file is finished. In such cases we help TSM to stop the
current process making its input/output volumes unavailble for the short
time.
Regards,
Krzysztof
> -----Oryginalna wiadomość-----
> Od: Debi Randolph [SMTP:Debra.Randolph AT FBOL DOT COM]
> Wysłano: 2 września 2003 23:11
> Do: ADSM-L AT VM.MARIST DOT EDU
> Temat: not preempted by higher priority operation
>
> Hi List .......
>
> Has this ever happened to you?
>
> I have only two tape drives, so they pretty much run non-stop.
> But when someone goes in to do a restore, whatever is running gets
> preempted and the restore gets completed as a priority.
> But sometimes.....for some reason......TSM does not preempt whatever is
> running and the restore just sits there and never runs.
>
> It happened to us this morning. Both tape drives were migrating data, so
> nothing with a seriously high priority. Neither drive was writing out
> any seriously large file or seriously large client, we co-locate and were
> mounting tapes left and right, we were down to the last few clients.
>
> The restore sat there for more than an hour in a Tape Wait state.
>
> The customer finally killed the restore. When I restarted it later, it
> ran without issue, at that time we were doing reclamation with both
> drives.
>
> Server is Windows 2000
> Server is SP3
> TSM Server 5.1.7.0
> TSM Client 5.1.5.0 (Windows 2000)
> IBM 3494 library
> IBM 3590 E1A drives
>
> This isn't the first time this has happened, and it doesn't happen all the
> time. I usually get impatient and kill whatever is running so that a tape
> drive becomes available. Whenever this happens, we don't get the
> preempted message in the activity log.
>
> ANR1440I All drives in use. Process 237 being preempted
> by higher priority operation.
>
>
> Can anyone explain why this would happen?
>
>
> Thanks,
> Deb Randolph
>
>
>
>
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