Client: Core i7, 12GB Fedora 8 2.6.26.8-57.fc8 x86_64, NFS mount
options rsize=32768,wsize=32768,intr,hard,vers=3, Gigabit connected.
Server: Core 2 Quad Xeon, 16GB Fedora 9 2.6.27.19-78.2.30.fc9.x86_64
Under some heavy work loads where the client is pulling large files and
all CPUs are maxed out, the NFS connection "disappears" - df shows no
entry for the NFS mount and some minutes later it will reappear again.
I am inclined to suspect the client, as similar workloads from other
machines to the same server have no problem.
Suspecting the onboard Realtek NIC, I replaced it with an Intel, but the
problem still occurs.
Can anyone tell me if there is likely to be a bug in these kernel
versions that is contributing to this?
Any debugging advice would be gratefully received; other than this in dmesg:
nfs: server flash not responding, still trying
nfs: server flash not responding, still trying
nfs: server flash OK
nfs: server flash OK
there is nothing in the kerenl logs.
Regards,
Richard
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