Eric,
it really is a deep s***, and you could report it, but the answer would be:
"Works as designed"
When you read the Preemption section of the Admin Guide, you'll see, that only
the following actions would cause TSM to cancel another process when needing
mount-points => Backup database, Restore, Retrieve, HSM recall, Export and
Import
So, TSM would never cancel another process, because your migration process needs
a Mount Point.
The following list (from the manual) only describes the Priority-sequence, which
process TSM would cancel, when e.g. a Restore Process needs a mount point =>
1. Move data
2. Migration from disk to sequential media
3. Backup, archive, or HSM migration
4. Migration from sequential media to sequential media
5. Reclamation
So TSM would first cancel Reclamation. If Reclamation doesn't exist, he would
try to cancel the Migration Seq to Seq Media, and so on, and at last he would
cancel a Move Data Process.
If none of them is running, the Process would hang with "waiting for mount point
..... bla bla"
Gerhard Wolkerstorfer
Eric-van.Loon AT KLM DOT COM (Loon. E.J. van - SPLXM) am 18.07.2001 09:20:07
Bitte antworten an ADSM-L AT VM.MARIST DOT EDU
An: ADSM-L AT VM.MARIST DOT EDU
Kopie: (Blindkopie: Gerhard Wolkerstorfer/DEBIS/EDVG/AT)
Thema: Preemption not working
Hi *SM-ers!
Today, again all my client backups were hanging. Again I encountered a 100%
full diskpool, but this time it was caused by a very long running backup
stgpool.
Migration was running, but waiting for mountpoints.
According to the Admin Guide, migration processing has a higher priority
than a backup stgpool, so the backup should be canceled due to mountpoint
preemption, but it didn't!!!! So again I'm in deep s***!
Should I report this as a bug to Tivoli?
I'm running 3.7.4.0 on AIX 4.3.3.
Kindest regards,
Eric van Loon
KLM Royal Dutch Airlines
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