Ruddy,

Are you doing any mirroring of volumes?

Has it ever exceeded this transfer rate in the past?

Sam.
----- Original Message -----
From: "Ruddy STOUDER" <Ruddy.Stouder AT IRISLINK DOT COM>
To: <ADSM-L AT VM.MARIST DOT EDU>
Sent: Thursday, March 06, 2003 7:07 AM
Subject: Poor TSM Performances


> I am quite disappointed by the TSM software performance.
>
> Let's take :
> WIN2000 client, Bi-Pro, nothing running on the machine except TSM client
> WIN2000 server, Bi-Pro, nothing running on the machine except TSM Server
>
> Client is backing up to server, using 100Mb TCP/IP => Throughput of
> 5,84GB/Hour => 13,3 Mb/sec !!!
>
> With LAN-Free, result are the same !!!
>
> So, having machines with CPU used with less than 10%, LAN card used at
10%,
> where is the bottleneck ?
> Backing up to disk or to LTO tapes does not help increasing the
performance.
>
> Following parameters are set :
> TCPBUFFSIZE=128
> TCPWINDOWSIZE=63
> TCPNODELAY=YES (AND TESTED WITH NO)
> LARGECOMMBUFFERS=YES (AND TESTED WITH NO)
>
> I was hoping to reach at least 25GB/Hours via a TCP/IP 100Mb network and
> 50GB/Hours via LAN-Free to LAN device
>
> Many thanks in advance for any feddback
>
>
>                         Ruddy Stouder
>                         Senior Technical Consultant
>                         TSM Certified Consultant
>                         I.R.I.S.
>                         Rue du Bosquet 10 - Parc Scientifique de
> Louvain-La-Neuve
>                         B-1348 Mont-Saint-Guibert
>                         ruddy.stouder AT irislink DOT com
>                         <http://www.irislink.com <http://www.irislink.com>
>
>                         Tel: +32 (0)10 48 75 09  -  Fax: +32 (0)10 48 75
40
>