Thanks!
What is weird is that there doesn't seem to be anything to release.
TSM is reporting that it has only 12,944 free blocks.
After deleting 12% of the files (65m) and expiration completing,
we were expecting the free blocks to be in the millions.
I don't need the space back, I just want to know that TSM/DB2
will reuse the space. Instead, overall db size just keeps
increasing!!! As you can see below, the db keeps
growing some number of MB per day.
(from a q db)
tsm FileSysMB UsedMB FreeMB date
tsm8 1126400 700615 425785 201501
tsm8 1126400 700709 425691 201502
tsm8 1126400 701544 424856 201503
tsm8 1126400 701675 424725 201504
tsm8 1126400 701669 424731 201505
tsm8 1126400 701669 424731 201506
tsm8 1126400 701669 424731 201507
tsm8 1126400 701676 424724 201508 <= 65m files gone
tsm8 1126400 701678 424722 201509
tsm8 1126400 701678 424722 201510
tsm8 1126400 701742 424658 201511
tsm8 1126400 701804 424596 201512
tsm8 1126400 701797 424603 201513
tsm8 1126400 701797 424603 201514
tsm8 1126400 702151 424249 201515
tsm8 1126400 702149 424251 201516
tsm8 1126400 702185 424215 201517
tsm8 1126400 702248 424152 201518
(from occupancy)
date #FilesInDb DbGB
11/01/2015 504786214 701785
11/08/2015 436723183 701676 <= -65m files gone!
11/17/2015 436456172 702185
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of Loon,
EJ van (ITOPT3) - KLM
Sent: Tuesday, November 17, 2015 11:00 AM
To: ADSM-L@VM.MARIST.EDU
Subject: Re: Does a DB2 db ever shrink?
Hi Rick!
Here is the procedure to release space to the operating system on a 6.3 server:
http://www-01.ibm.com/support/docview.wss?uid=swg21452146#Release_spaceDB297
Kind regards,
Eric van Loon
AF/KLM Storage Engineering
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf Of
Rhodes, Richard L.
Sent: dinsdag 17 november 2015 16:55
To: ADSM-L@VM.MARIST.EDU
Subject: Does a DB2 db ever shrink?
Hi,
On one of our TSM v6.3.5 databases we deleted two nodes which totaled 65m
files. After doing this we haven't seen any shrinkage in the database size.
date #FilesInDb DbGB
11/01/2015 504786214 701785
11/08/2015 436723183 701676 <= -65m files gone!
11/17/2015 436456172 702185
The free db2 blocks (today) is 12,944.
By deleting the two nodes we dropped the number files by 65m files. But the
database itself hasn't changed in size (filesystem size) or free blocks inside
the db. The db2 is set to auto-reorg (the default).
Q) Why wouldn't our db2 db shrink, or, have gobs of free db2 blocks?
Thanks
Rick
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