[CentOS] NFS problem
tony.molloy at ul.ie
Thu Sep 20 02:50:06 EDT 2012
On Wednesday 19 September 2012 23:22:13 Mark LaPierre wrote:
> On 09/19/2012 03:00 PM, m.roth at 5-cent.us wrote:
> > We've been seeing what I gather is an old, traditional problem:
> > kernel: lockd: server<ip address> not responding, timed out
> > The things I've found, googling, mostly involve rebooting the NFS
> > server, and I can't do that, it's a home directory server for a
> > *bunch* of people, and this is only one person's workstation.
> > Are there other solutions I haven't found yet?
> > mark
I see the same problem with our student labs every now and then. I
always assumed it was caused by a student power recycling the client
rather than doing a clean reboot to get to Windoze ( dual boot
machines ;-( ) causing NFS to get confused, NFSv3.
It doesn't seem to cause any problems just fills up the server logs
with useless messages. Rebooting the client to Linux usually fixes the
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> Have you checked your network connectivity from the problem machine
> to the NFS server and back? If other machines on this NFS server
> have no issues then you can eliminate the NIC on the server from
> suspicion, but the NIC on the problem machine might be having a
> problem. Check your cable connections while you're at it.
> How are you mounting the NFS share? If you are using AutoFS your
> mount may be timing out. Does the problem machine access the
> share actively or does it tend to sit for a while between access
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