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> In this configuration I see a lot of "nfs server ...: is not responding"
> and "nfs server ...: is alive again" when I copy large files (e.g. a CD
> image). All of them happen in the same second. I haven't looked at the
> state or priority of the cp process when this happens.

I'm also seeing a similar problem - I have a cluster of high-volume
mailservers delivering mail over nfs to maildirs on a netapp.  The cluster
was all 4-stable, but I decided to mix a couple of 5.1 boxes in to see how
they would do.

The 5.1 boxes accepted and queued mail as well as the 4-stable boxes, but
delivering the mail into the maildirs over nfs, I kept seeing those
short-lived hangs, and so the queues started to back up as the boxes were
accepting mail faster than they could deliver it.

My mounts are all nfsv3 over udp.


 Freud himself was a bit of a cold fish, and one cannot avoid the suspicion
 that he was insufficiently fondled when he was an infant.
        -- Ashley Montagu
Version: GnuPG v1.2.1 (FreeBSD)
Comment: See https://private.idealab.com/public/jason/jason.gpg

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