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SubjectHorrible NFS performace
I hope that someone can shed some light here, or give me a way to
investigate. 3 computers, 2 are 2.2.6, 1 is 2.0.36. All ethernet. 2.2.6 has
PCI vortex, 2.0.36 has Intel ether express 16. Lots of the following in logs:

Apr 29 14:45:59 mwg kernel: nfs: server inx not responding, still trying
Apr 29 14:45:59 mwg kernel: nfs: server inx OK
Apr 29 14:46:19 mwg kernel: nfs: server inx not responding, still trying
Apr 29 14:46:20 mwg kernel: nfs: task 768 can't get a request slot
Apr 29 14:46:20 mwg kernel: nfs: task 769 can't get a request slot
Apr 29 14:46:31 mwg kernel: nfs: server inx OK
Apr 29 14:46:55 mwg last message repeated 2 times
Apr 29 14:46:55 mwg kernel: nfs: task 783 can't get a request slot
Apr 29 14:46:55 mwg kernel: nfs: task 784 can't get a request slot
Apr 29 15:04:30 support kernel: nfs: task 9144 can't get a request slot
Apr 29 15:04:39 support kernel: nfs: server inx not responding, still trying
Apr 29 15:04:41 support kernel: nfs: task 9145 can't get a request slot
Apr 29 15:04:41 support kernel: nfs: task 9146 can't get a request slot
Apr 29 15:04:41 support kernel: nfs: task 9147 can't get a request slot
Apr 29 15:04:58 support kernel: nfs: server inx OK
Apr 29 15:05:16 support kernel: nfs: server inx not responding, still trying
Apr 29 15:05:16 support kernel: nfs: server inx OK
Apr 29 15:05:38 support kernel: nfs: server inx not responding, still trying
Apr 29 15:05:38 support kernel: nfs: server inx OK

inx is the 2.0.36 kernel. This came from copying a file from either mwg or
support to inx. I get a lot of server not responding from mwg and support,
too. Everything is user NFS daemons, because I can't get the kernel daemons
to export all the mount points: kexportfs gets an invalid argument on mount
directories from the kernel. The backup last night (tape drive is on inx)
did not finish because of these problems.

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