Ah, I've been through this many times.  As someone mentioned, stepping
down by setting the threshhold to 99, then 98 and so on over time will
work well.   This is assuming you can fit all of your primary pool volumes
into the tape library.

You can use the following select command to keep track of how many tapes
you have at each level to judge when it's time to lower the threshold.  (I
think this is one of the example select statements in the HELP SELECT
page.  (replace TAPE_C2 with your stgpool_name
select count(*) from volumes where stgpool_name='TAPE_C2' and
status!='EMPTY' and pct_utilized <50

I went through a major catch-up once where this wasn't possible because
the average primary pool volume was also mostly .05-.1 pct utilized.
In that case, just sort the volume list by pct-utilized and recall and
systematically run move-data on each volume starting from the least
utilized.
(a unix shell loop is great for this)
I consolidated 8000 tapes down to 200 on that project!


Regards,
Shawn
________________________________________________
Shawn Drew





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joni.moyer AT HIGHMARK DOT COM

Sent by: ADSM-L AT VM.MARIST DOT EDU
01/27/2010 08:53 AM
Please respond to
ADSM-L AT VM.MARIST DOT EDU


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Subject
[ADSM-L] Reclamation for offsite storage pools






Hello everyone,

For several years I had not been able to run reclamation on one of my tsm
servers due to the lack of physical tape drives to accomplish the task.  I
am in the process of trying to get caught up, but it seems that I just
never do.  Most of my issue is with the copy storage pool volumes which
are very under-utilized.   It seems like reclamation, even if I start
multiple reclamation threads, is taking quite a long time.

Is there some other way for me to get the data onto new media without
doing reclamation?  Can I do a move data from 1 copy storage pool volume
to the another volume within the same copy storage pool?  I know that this
would mean bringing the tapes back from the vault, but it is just not
progressing as I would like with the reclamation processes.

Any suggestions are greatly appreciated as I would like to get this back
under control.

Thank you in advance!

Joni Moyer
Storage Administrator III
(717)302-9966
joni.moyer AT highmark DOT com


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