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Date:      Wed, 03 Mar 2004 18:21:34 -0500
From:      Lists <sfulton-lists@esoteric.ca>
To:        freebsd-questions@freebsd.org
Subject:   NFS not responding.
Message-ID:  <4046687E.5080904@esoteric.ca>

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Hi all,

I'm experiencing problems with a 4.9 server attached to a NetApp.  Some 
background.  There are several Solaris 8 machines connected to it, and 
(2) FreeBSD 4.9 machines.  The Solaris servers and one FreeBSD machine 
have no issues connecting to the NetApp.  However, the 4.9 server in 
question does.  It was configured identically to its' sister 4.9 server. 
   The NetApp in question acts as a mailstore.

Specifically, the problem occurs when our MTA attempts to deliver a 
message to the mailstore.  The spawned process hangs, and this message 
occurs in /var/log/messages.

Mar  3 16:27:32 mailserve5 /kernel: nfs server 192.168.1.10:/vol/mail0: 
not responding

Let me re-iterate that the problem only occurs on the one machine, and 
it is configured identically to the other FreeBSD server.  Here is the 
appropriate snippet of the /etc/fstab file:

192.168.1.10:/vol/web0	/remote/web0    nfs 
rw,-r=32767,-w=32767,dumbtimer,intr,nfsv3               -       -

I have tried udp and nfsv2 to no avail.  To debug this I have been using 
tcpdump and nfsstat, but because the problem is unpredictable, I haven't 
been able to see the issue occur.

Can anyone suggest something?  Either a potential cause or another way 
to determine the cause..

-- Steve



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