Hi,

are there any known issues with NFS-mounts using UDP? I'm seeing some
weird behaviour with a NFS-server (-current as of today).

On several clients (-DP1, -DP2, 4-stable) mounting a nfs-share
(mount_nfs -i -U -3 server:/nfs /mnt) and then copying data from that
share to the local disk (find -x -d /mnt | cpio -pdumv /local) results
in lost NFS-mount.

client kernel: nfs server server:/nfs: not responding 10 > 9

I'm seeing this only while using UDP; with TCP everything works fine.

The amount of data copied before it stalls is related to the number of
nfsd-workers on the server. With 8 nfsd-processes (/usr/sbin/nfsd -u
-t -n 8) running more data is copied before the mount gets lost.

(The network works fine)

Any hints?

TIA,
Patric
-- 
The problem with troubleshooting is that trouble shoots back.


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