James,

Look for the parameter 'RESOURCEUTILIZATION' in the dsm.sys file.  If
it's there start reducing the number.  Remember to restart the
scheduler.

Steffan

James Thompson wrote:
>
> Sorry for not responding earlier.  Been rather busy.
> Just to clear a few things up.  This machine does not
> have the TSM server code on it.  It just has the 4.1.2
> client code.  The machine has 4 CPU's.  Before starting
> an incremental backup the CPUs are more that 50% idle.
> When a TSM incremental starts up the CPUs are 0-5% idle.
> Some of the hdisks are 100% busy and I/O wait is > 80%.
> I'm not the actual admin of the machine,  just a TSM resource
> who is getting posed the question and am not sure what things
> to look at for high CPU utilization issues.
>
> James
>
> >From: Steve Schaub <Steve.Schaub AT HAWORTH DOT COM>
> >Reply-To: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> >To: ADSM-L AT VM.MARIST DOT EDU
> >Subject: Re: High CPU utilization on AIX SP node with 1 gig memory
> >Date: Thu, 8 Feb 2001 07:17:44 -0500
> >
> >Here's a shot in the dark:
> >We run AIX 4.3.3 as our TSM server (H50 w/1gb mem) and have run into the
> >following anomoly - any user who tries to bring up the admin web gui using
> >IE5.0 under Win4.0 workstation generates several "phantom" client sessions,
> >indicated by "?" when you do a Q SESS.  More than 2 of these phantoms would
> >drive our H50 cpu up to 100% and nail it there.  Cancelling the phantom
> >sessions brings things back to normal.  Uprgrading to IE5.5 fixed the
> >problem, but we have had scattered problems then bringing up client web
> >sessions.
> >This might not be your problem but it's worth a check.
> >
> >Steve Schaub
> >Haworth, Inc
> >email: Steve.Schaub AT Haworthinc DOT com
> >
> > >>> mezron AT HOTMAIL DOT COM 02/07 5:04 PM >>>
> >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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>
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