Re: [ADSM-L] DB size and expiration
2009-07-01 18:11:22
I am not sure shrinking the amount of disk space used by the DB will be worth
the time. TSM will use the pages in the DB, even if they are not at the end.
You will still have to add new disks at the same point in the future.
Andy Huebner
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Ochs, Duane
Sent: Wednesday, July 01, 2009 2:31 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L] DB size and expiration
Good Day all,
About a month ago, I was prepping to split a TSM DB because it was growing out
of control after the addition of a number of remote imaging sites. After much
review I was able to find failures in the expiration process. I tracked it down
to a single client and after a call to IBM it was recommended to run a cleanup
exptable.
Needless to say it was running a very long time. After completion, the next
expiration also ran for a very long time deleting hundreds of millions of
objects. This should have translated to about 1/3 the database size being freed
up.
The problem is that I'm seeing max reduction at 4gb.
The stats I'm seeing indicated 74 million usable pages and 52 million used.
Other than a unloaddb and loaddb. Is there any other way to reclaim this DB
space ?
Thanks,
Duane
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