ADSM-L

AW: TSM server performance help

2001-07-11 03:19:21
Subject: AW: TSM server performance help
From: Stefan Holzwarth <stefan.holzwarth AT ZENTRALE.ADAC DOT DE>
Date: Wed, 11 Jul 2001 09:19:05 +0200
Seems you have a bottleneck with hdisk4. CPU-Wait and HD-Busy are very high.
Try to distribute Storagepool and DB-volumens to different disks. 
Try larger bufferpoolsize.

Regards Stefan Holzwarth

> -----Ursprüngliche Nachricht-----
> Von: Chuck Lam [mailto:chuck_lam AT YAHOO DOT COM]
> Gesendet am: Mittwoch, 11. Juli 2001 01:47
> An: ADSM-L AT VM.MARIST DOT EDU
> Betreff: TSM server performance help
> 
> Server:  M80 running AIX 4.3.3, 4GB RAM, 768MB ps
>          DiskStoragePool, Rlog, & Database on all on a
>           SAN via fibre channel connection.
> TSM version:    4.1
> 
> This is a newly configured system.  We are conducting
> tests on it. When we tried to do a few backups by
> themselves, they seemed to get done pretty fast.
> However, when we had 4 migration processes and a
> couple of backups going at the same time, everything
> slowed down to a halt.  According to my client, his
> backup transfer speed was about 100MB per minute. Can
> anyone give me some suggestions to improve the
> performance?  I have attached the 'topas' reading of
> this server.
> 
> TIA
> 
> 
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