I agree with the fixed full duplex 100 mb/s. Performance increased by a
factor of 12 for the modified clients.

René Lambelet
Nestec S.A. / Informatique du Centre 
55, av. Nestlé  CH-1800 Vevey (Switzerland) 
*+41'21'924'35'43  7+41'21'924'28'88  * K4-117
email rene.lambelet AT nestle DOT com
Visit our site: http://www.nestle.com

        This message is intended only for the use of the addressee and 
        may contain information that is privileged and confidential.



> -----Original Message-----
> From: Herfried Abel [SMTP:ha7 AT DAIMLERCHRYSLER DOT COM]
> Sent: Thursday, May 31, 2001 1:46 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Re: Slow NT Restore
> 
> Phil,
> Did you check the general network speed between the client and the server
> ( e.g. ftp put and get a large file ). If you are in a switched 100 mb
> network
> sometimes ( i saw it on our Compaq and RS6000 servers ) the autonegotiate
> port speed / mode does not work correct. We set all components (
> server/client/switch-ports) manually  to 100 mb full duplex and this
> solved
> the problem.
> 
> just a hint but maybe it  helps
> 
> herfried
> 
> 
> 
> 
> Phil Stockton <phil.stockton AT RS-COMPONENTS DOT COM>@VM.MARIST.EDU> on
> 31.05.2001 12:23:06
> 
> Please respond to "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> 
> Sent by:  "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> 
> 
> To:   ADSM-L AT VM.MARIST DOT EDU
> cc:
> 
> Subject:  Slow NT Restore
> 
> 
> Hi
> 
> We are trying to restore the C drive on a NT server 4.0 Service Pack 5. We
> have TCPIP 100 mb full duplex.  The client is 3.1.0.8 and the server is
> 3.1.2.90 on AIX 4.3.2.
> 
> We are observing very slow restore times.  There is no waiting for tape
> mounts but when I query sessions wait times of some seconds are observed,
> almost as if it restores one file then goes off to do something else.
> 
> So far it has taken 20 hours to restore 850mb.  All directories are held
> on
> disk and they have been restored.
> 
> Anyone got any ideas on how to speed this up, by a factor of 10 or so.
> 
> Regards
> 
> Phil Stockton
> 
> RS Components Ltd
> Corby
> Northants
> 
> 
> 
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