ADSM-L

Re: Novell performance and TCP/IP problems

1997-04-07 08:32:18
Subject: Re: Novell performance and TCP/IP problems
From: Paul PRIMEAU <Paul.Primeau AT CCMAIL.ADP.WISC DOT EDU>
Date: Mon, 7 Apr 1997 07:32:18 CDT
Trevor

We had similar problems for both Novell 3.x and some 4.x servers - try upgrading
to more recent versions of TCPIP on the client (3.12j worked for us). You will
probably have to also update CLIB with either LIBUP8 or 9 in order to update to
TCPIP 3.12j. Both updates are available from Novell's website, and can be loaded
on-the-fly. If rev levels are already there, or don't solve the problem,
consider swapping in a different NIC.

Paul Primeau
Division of Information Technology
University of Wisconsin-Madison
608-265-8187

______________________________ Reply Separator _________________________________
Subject: Novell performance and TCP/IP problems
Author:  "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> at IPNET
Date:    4/3/97 1:02 AM


Trevor Foley
03/04/97 16:57
From:
On:

Hi,

I've got a feeling that this has been discussed before, but I couldn't find
any entries going back through the list for 4 months or so.

We are starting to implement ADSM for our Novell servers. To date we
haven't had a lot of success. First, some information about our
environment.

   Server is 2.1.5.12 running on AIX 4.1.4
   Communcations is entirely TCP/IP
   The network (for the Novell servers) is 10mbit ethernet
   Client version is 2.1.0.6

We have two problems:

   We our getting extremely poor performance, in the order of 200mb/hour.
   As a comparison, we are getting in excess of 1gb/hour from some NT
   servers (admittedly faster CPU, disks, etc.). We have checked the things
   mentioned in the Performance Tuning Guide. The only thing that we have
   changed as a result of that was the TCP/IP MTU size (from 512 to 4000).
   The MTU was already set in excess of 4000 on the Novell servers. The
   volumes on these servers have 10-20 thousand files.
   We are getting a number of TCP/IP failures as show below:

27-03-1997 03:43:45  TcpFlush: Error 60 sending data on Tcp/Ip socket
39358524.
27-03-1997 03:43:45  sessSendVerb: Error sending Verb, rc: -50
27-03-1997 03:43:45  TcpFlush: Error 32 sending data on Tcp/Ip socket
39358524.
27-03-1997 03:43:45  TcpFlush: Error 4 sending data on Tcp/Ip socket
4294967295.
27-03-1997 03:43:45  sessSendVerb: Error sending Verb, rc: -50
27-03-1997 03:43:46  ANS4017E Session rejected: TCP/IP connection failure
27-03-1997 03:43:46  ANS4847E Scheduled event 'BACKUP' failed.  Return code
 = 1.

Any clues?


Trevor
<Prev in Thread] Current Thread [Next in Thread>