James... Is the SP node you are talking about your TSM server? Is your
observation due to slow reaction of the TSM server or actual server statistics?
Out of curiosity, what is your Cache Hit Pct. ??? Do a 'q db f=d' command to
view the cache hit percentage on your server during high activity. If it is
below 98 percent or so when you are experiencing the cpu utilization issues, you
might want to bump your BUFPOOLSIZE paramter in your dsmserv.opt file. I would
suggest doubling your current value and watching your cache hit percentage for a
few days. Your cache hit percentage should be over 98 percent up into the low 99
percentile.

George Lesho
Storage Admin
AFC Enterprises





James Thompson <mezron AT HOTMAIL DOT COM> on 02/07/2001 04:04:05 PM

Please respond to "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>

To:   ADSM-L AT VM.MARIST DOT EDU
cc:    (bcc: George Lesho/Partners/AFC)
Fax to:
Subject:  High CPU utilization on AIX SP node with 1 gig memory



Hello,

Has anyone dealt with high CPU utilization problems on an AIX SP node?
Were you able to do anything to reduce the CPU utilization?
This happens during incremental backups.  Other less powerful (fewer
procesors) machines with less memory do not experience this issue.
Are there any commands that can be run from the AIX OS that would help
isolate this?  Can you specify that a given process can only have so much
cpu time?

Hints on how to resolve this kind of situation?

James Thompson
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