[Beowulf] Need some advise: Sun storage' management server hangsrepeatedly

Hearns, John john.hearns at mclaren.com
Tue Jan 12 04:47:18 EST 2010

   This server gets hanged repeatedly. As an initial troubleshooting we installed Ganglia, to check network utilization. But its normal. We're not getting how to troubleshoot it and resolve the problem. Can anybode help us resolve this issue?

Some tools you need:

ping -f  on the clients (ie flood pings)

tcpdump on both clients and server

nfsstat on both client and server

iostat on the server

Can you be a little bit clearer on what you mean by a "hang"
Do you see messages about NFS server in the /var/log/messages on the client?

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