An interesting NFS mounting problem

[Zhou, Jingchen]

I think this has something to do with iptables. I just don't know how to fix this problem. What is funny is that some clients on the same network work, while others (e.g. nfsclient1) don't. Even for nfsclients1, I notice sometime it can mount /u1, /usr/local, but not /home at boot time. Of course, if I do "mount -a" from command line, all gets mounted. By the way, all the clients are configured the same way. This NFS problem appears to be very random.
 
Any clue is appreciated.

________________________________

From: redhat-sysadmin-list-bounces at redhat.com on behalf of Matthew Snyder
Sent: Tue 10/9/2007 6:09 PM
To: redhat-sysadmin-list at redhat.com
Subject: Re: An interesting NFS mounting problem



Zhou, Jingchen wrote:
> I am having a problem to mount a NFS volume /home (exported by a RHEL4 server nfs0) on a NFS client which is also RHEL4.
>
> The server (nfs0) is configured as such
> $ cat /etc/exports
> /home nfsclient1(rw)
>
> and the client (nfsclient1) as such:
> #cat /etc/fstab
> nfs0:/home            /home           nfs     defaults        0 0
>
> When the client boots up, I get the following error message:
>
> "Mounting NFS filesystems: mount: mount to NFS server 'nfs0' failed: System Error: No route to host."
>
> However, I have no problem to ping the server (nfs0) from nfsclient1 and I also can mount /home manually via e.g. "mount /home" from command line.
>
> Am I missing any?
>
> Thanks,
> JC
>
>
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Is it trying to mount /home before networking is started during boot?

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