We've also had this morning pick all 4 output volumes in the same pool.
Gretchen got it in 1 - it's doing reclamation.
I also found in the SUMMARY table that the volumes showed up as having been
RECLAIMED, not migrated.
We set reclaim to 100 on the source pool, killed and restarted, and Bob's
Your Uncle (or in this case, Gretchen is our Aunt!)
Thanks Gretchen!
W
On Wed, Jan 6, 2010 at 1:55 PM, Harvey, Bruce T <HarveyB AT saic-dc DOT com>
wrote:
> Have you tried to lower the number of processes to 3 or increase it to 5
> to see how they end up picking volumes? If it goes away in 3 and you
> get two CDLPOOL output volumes, that could mean a silly limitation
> somebody left in. However, if it's always 1, whether 2, 3, or 9,
> there's still something misprogrammed -- just somethingdifferent.
>
> If it goes away with 3, workaround discovered and contact IBM to yell
> at.
>
> I'm assuming it's reliably picking 3 and 1.
>
> Many thanks!
>
> Bruce
>
> --
> Bruce T. Harvey
> UNIX System Administrator, SAIC | DHS/ICE OCIO
> 1120 Vermont Ave, Suite 300, Washington, DC 20005
> 202.261.9589 (office) - 202.465.9537 (cell) | harveyb AT saic-dc DOT com
>
> | -----Original Message-----
> | From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf
> Of
> | Wanda Prather
> | Sent: Wednesday, January 06, 2010 11:52 AM
> | To: ADSM-L AT VM.MARIST DOT EDU
> | Subject: [ADSM-L] Migration choosing output volume in the SAME POOL?!?
> |
> | Oh, my head hurts.
> | Haven't seen this before.
> |
> | TSM server AIX 5.5.2 with no disk pool.
> | Clients back up to a VTL (which is an EMC CDL)
> | The VTL migrates to an LTO tape pool.
> |
> | So the data flow is
> | clients => CDLPOOL => TAPEPOOL
> |
> | CDLPOOL has MIGPROCESS=4
> |
> | MIGRATE STGPOOL CDLPOOL kicks of 4 migration processes, as one would
> | expect.
> |
> | Except 3 of the processes choose a CDLPOOL volume as the input volume,
> and
> | an LTO2 TAPEPOOL volume as the output volume.
> | The 4th process chooses a CDLPOOL volume as the input volume, AND
> chooses
> | a
> | CDLPOOL volume as the OUTPUT volume.
> |
> | WHAT circumstance causes migration to choose an output volume in the
> SAME
> | POOL as the input volume?
> | .
> |
> | W
>
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