AW: ADSMconnect agent for Exchange throughput
2015-10-04 17:40:32
Hello
try to increase TCPwindowsize
Good luck....
Dietmar
> -----Urspr=FCngliche Nachricht-----
> Von: Eliza Lau [SMTP:lau AT VTCAT.CC.VT DOT EDU]
> Gesendet am: Dienstag, 10. August 1999 21:45
> An: ADSM-L AT VM.MARIST DOT EDU
> Betreff: ADSMconnect agent for Exchange throughput
>
> ADSMers,
>
> What throughput is everyone getting out of the ADSMconnect agent for
> Exchange?
>
> The setup:
> AIX 4.3.1 server running ADSM 3.1.2.13.
> 3494 with four 3590 drives (device data rate - 32G/hr)
> ADSMconnect agent 1.1b
> 100mb ethernet connection for the ADSM server and the Exchange server
>
> It takes the ADSMconnect agent 2.85 hours to backup the 8G Exchange
> database
> with a network transfer rate of 3.04GB/hr. I am using the performance
> settings
> recommended in the "Using ADSM to Back Up and Recover Microsoft Exchang=
e
> Server"
> redbook. It states that the throughput maximum that can be obtained fo=
r a
> 100mb Ethernet network is 34GB/hr. I am getting only one tenth of that.
> Where is my bottleneck? I have asked our network people to look for
> any network problems. The ADSM server and the Exchange server are
> in different subnets, but they are in the same room and only 30 feet fr=
om
> each other. Where else should I look? Thanks.
>
> dsm.opt:
> TCPwindowsize 64
> tcpbuffsize 32
> txnbytelimit 25600
> compression off
>
> -----------------------------------------------------------------------=
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> ----
> ----
> Eliza Lau
> Virginia Tech Computing Center email : eliza.lau AT vt DOT edu
> Virginia Polytechnic Institute & State University
> 1700 Pratt Drive
> Blacksburg VA 24060 phone : (540) 231-9399
> -----------------------------------------------------------------------=
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