VMTUNE set -p and -P -C

Vmtune -P 20 -p5 -C 64

I did this tuneing on AIX 433 and 5L.

The root cause of having 80% and P is default.It true as per your e mail.You
have found the right solution. Another solution is try crush as temporary
solution.
Balanand Pinni

-----Original Message-----
From: Wheelock, Michael D [mailto:Michael.Wheelock AT INTEGRIS-HEALTH DOT COM]
Sent: Friday, August 01, 2003 10:38 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: tunables on AIX 5.2


Hi,

I have AIX 5.2 ML01 with TSM 5.2.0.0 as the only application running on the
system.  In fact the only things I have installed here are TSM (server and
client) and the management software for the FastT700 that it is using.  I am
having a problem with virtual memory.  I have 8GB of ram. TSM's buffpoolsize
is set to 4096000 (should be 4GB).  When I boot the system, as much as 8GB
of the swap region is utilized.  This slowly increases and finally craters
the system.

I have looked at most of the articles on the list and they suggest as a
first step to dealing with virtual memory issues, setting Maxperm% to 40 (or
thereabouts) and minperm% to 10.  When I execute this on AIX 5.2 I get the
following:

usr/samples/kernel # ./vmtune -P 40
vmo: 1485-111 Invalid value 40 for tunable maxperm%
Value for tunable maxperm% must be greater than or equal to 80, value of
tunable maxclient%

FYI, my DB and log segments are on filesystems rather than raw lv's.  Any
ideas?

Michael Wheelock
Integris Health of Oklahoma

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