David- the only thing I have to offer you is that there was a known memory =
leak with all OBSI modules prior to 2.4.10.2. Perhaps it was reintroduced =
at 2.5.0.0?
SQL-BackTrack? OBSI Module for ADSM
Technical Bulletin=20
=20
Version 2.4.10=20
August 16, 2000=20
=20
*100033286*=20
Problem
BMC Software is alerting users of SQL-BackTrack OBSI Module for ADSM, all=20
versions on all platforms, to a problem.=20
This technical bulletin describes a patch for SQL-BackTrack OBSI Module=20
for ADSM to prevent the problem from occurring.
There is a memory leak in the SQL-BackTrack OBSI Module for ADSM product.=20
For every 64k block of data recovered,=20
there is a loss of 8 bytes. Depending on the minimum bytes allocated by=20
your memory management system, this could=20
result in a greater loss for each 64k block of data being recovered.
good luck,
lisa
David Longo <David.Longo AT HEALTH-FIRST DOT ORG>
05/11/2001 08:43 AM
Please respond to "ADSM: Dist Stor Manager"
=20
To: ADSM-L AT VM.MARIST DOT EDU
cc: (bcc: Lisa Cabanas/SC/MODOT)
Subject: TSM Client/AIX/Sybase paging space problem
We have a new installation that has problems in that paging space=20
continues to grow until it hits 100% over about 8-10 days. Having setup a =
cron job on AIX that logs paging every 5 minutes, I determined that=20
essentially the only time paging space increases is when backups are=20
running. We reboot to clear problem.
Details:
TSM Server is 3.7.4.0 on AIX 4.3.3
Client is:
IBM RS/6000 Silver SP node w 2x 332 MHz processors and 1GB RAM and 1GB=20
paging space. (Node is standalone and not "fenced".)
AIX 4.3.3. Maint Level 7
Sybase ASE 12.0.0.1 (Using raw logical volumes for db - vendor insisted=20
on this)
SQL Backtrack 4.5.00 with OBSI module 2.5.00
TSM Client 4.1.2.0
The paging space will jump up about 4 -8 % per day. I do SQLBT backup of=20
database at 12:15 am and regular FS incremental at 2:15 am. Paging space=20
incresases when each backup starts and does not go down.
I saw info on Tivoli site that TSM client 4.1.0.0 (which I was using) had=20
memory leak problems on NT and possibly other platforms, so I downloaded=20
what I saw as latest AIX version, 4.1.2.0 and installed - no change.
I have 4.1.0.0 on other AIX and NT boxes with no problems.
We had ML 6 of AIX on and was happening with it too, upgraded to ML 7 for=20
other reasons and no change.
This is a new install, users not on system yet, Database is getting info=20
from another system and apps are being developed to generate reports from=20
this DB.
Last night I disabled both backups and NO PAGING SPACE increase occured.
One other bit of info (maybe confusing). Using the svmon command, it=20
seems to indicate that Sybase is the user of the growing paging space!
Any ideas folks? It is not obvious to me how a regular FS incremental can =
cause Sybase to use additional paging space.
If no one has a solution I will open a ticket with Tivioli to start with=20
and then proceed down the line one vendor at a time.
Thanks for your head scratching,
David B. Longo
System Administrator
Health First, Inc.
3300 Fiske Blvd.
Rockledge, FL 32955-4305
PH 321.434.5536
Pager 321.634.8230
Fax: 321.434.5525
david.longo AT health-first DOT org
"MMS <health-first.org>" made the following
annotations on 05/11/01 09:44:40
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