Interesting NFS Problem

From: Linnabary, Paul (paul.linnabary@boeing.com)
Date: Wed May 17 2006 - 11:18:43 EDT


All,

I've done a lot of research on my problem using Sunsolve and my Sun
books before asking this question, but I am totally perplexed.

We moved several E4500's with D1000 and A1000 attached disk storage
array's over the weekend from once server room environment to another.
These two servers get soft mounts to filesystems from an HP data server.
The only thing that's really changed since the move is that these two
servers are on a different subnet. The problem is that NFS hangs "NFS
server xxxxxx not responding still trying" a couple of minutes after 1AM
each night. We've looked on the NFS client and NFS server to see if
there are any cron jobs that may affect NFS services, but we cannot find
any to be concerned about. We have gotten Network Technical Services
involved in the hope that they can put a sniffer in place to see what is
occurring shortly after 1AM each morning. There were NO issues with NFS
in the other server room. Any suggestions as what may be the culprit?
Thank you! Paul in Kansas
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