Solaris NFS clients go wonky when server went FC4->FC5
Will Partain
will.partain at verilab.com
Tue Sep 12 15:24:00 UTC 2006
Folks, a bit of a puzzler... For a long time (years), have had
sparc-solaris8 NFS clients (well-patched) talking to a RH/Fedora NFS
server, recently FC4 (x86_64). The mount options, dished out through
autofs, were (probably sub-optimally):
-rw,nosuid,nodev,sync,retry=5,rsize=16384,wsize=16384,intr
These were lightly-used clients; it worked; everybody happy.
I yum-upgraded the server to FC5 (current kernel, nfs-utils). It
works.. most of the time, but the clients now often-but-not-always
wander off into...
NFS server foo not responding still trying
NFS server foo ok
... with a 20-, 30-, 60-minute gap between the two being common (but
not predictably so). Nothing in the server logs; only that in the
clients'.
Thinking that maybe my old-crufty set of mount options needed fixing,
I switched to a very simple set:
-rw,nosuid,proto=tcp,vers=3,intr
Didn't make the slightest difference.
I have Linux clients, same mount options, same everything, which
worked fine before -- and they still do. There have been no cabling
or other changes -- just the switch from FC4 to FC5 on the server.
Ideas? Thanks,
Will
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