From: Jeff Cleverley (jeff_cleverley@agilent.com)
Date: Fri Apr 15 2005 - 15:52:52 EDT
Greetings,
Our problem will most likely drag out for a while so I thought I'd do a
summary that largely pertains to item to in my original post.
I received replies from:
Bill Hassell
Bob Marcan
Julius Szelagiewicz
Allan Marillier
Dave Johnson
Andy Cranston
The main feedback was to use Ethereal on the systems. It could do the
monitoring and figure out data from tcpdump and nfsstat also. We'll
give those a try and see what we find.
Thanks again to everyone and the original post is listed below.
Jeff
We've been running hpux 11.00 nfs servers and linux compute boxes (RH7.3
>and 8.0) for a couple of years now with no serious side effects. We
>recently started rolling some hpux user workstations to linux boxes
>running RHEL Enterprise Workstation 3. These boxes have seen numerous
>timeout, slow transfer rates, etc. The hpux nfs servers have 64 nfsd
>processes running and most of the time they account for 45 of the top 50
>processes. The network switches never show the capacity of the servers
>maxed out, so we're leaning towards there being some type of nfs
>protocol differences between the two flavors. We're walking through
>Dave Olker's nfs guide also, but we can't be taking these servers up and
>down for reboots on a regular basis.
>
>This problem is obviously a big time drain and don't expect anyone to
>try and individually try and trouble shoot it. What I am asking for is
>1 of/or 2 things.
>
>1. Has anyone had any issues between hpux 11.00 and RHEL relating to
>nfs that you've been able to identify and fix?
>
>2. Are there any good software tools that we could install on either or
>both types of boxes that would effectively act as a packet sniffer and
>give us an idea of what is running through the network? Unfortunately
>our networking department has been outsourced and the contractors don't
>have access to a packet sniffer :-(
>
>Thanks,
>
>Jeff
>
>
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