ADSM-L

[ADSM-L] Slow TSM DB Backup

2012-03-01 10:57:45
Subject: [ADSM-L] Slow TSM DB Backup
From: "Lamb, Charles P." <cplamb AT NPPD DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 1 Mar 2012 09:51:36 -0600
Hi.........

We are experiencing slow TSM DB backup process on both of our TSM systems using 
AIX V6.1.7.x, TSM V6.2.3.100, Atape v12.4.1.0.  The issues began immediately 
after we upgraded from AIX v5.3.12.3 to AIX v6.1.7.x. We have created a 
performance PMR#53387,379,000 with TSM support.  With 100GB data in a DB2 
database, we are seeing 30 to 60sec waits between .1/.2GB database transfers to 
IBM LTO4 tape drives via TSM q se screen. It is taking a very long time to 
complete a TSM DB backup. Before the AIX upgrade, the full DB backup took about 
10 minutes; now we are seeing backups of hours in length.

Anybody having these types of issues??

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