It looks like the NIC settings arent 100/full duplex om both systems and
switch.

How did you calculate 5,84GB/Hour => 13,3 Mb/sec  ?

If you do it backwards 13,3 MB/s * 60sec * 60min=47,88GB/h.

//Henrik





                    Ruddy STOUDER
                    <Ruddy.Stouder@IRI        To:     ADSM-L AT VM.MARIST DOT 
EDU
                    SLINK.COM>                cc:     (bcc: Henrik Wahlstedt)
                    Sent by: "ADSM:           Subject:     Poor TSM Performances
                    Dist Stor Manager"
                    <[email protected].
                    EDU>


                    2003-03-06 15:07
                    Please respond to
                    "ADSM: Dist Stor
                    Manager"






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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