Re: Poor TSM Performances
2003-03-06 22:56:31
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
>
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