On Wed, 05 May 2004 19:04:03 +1000, Ken Foskey uttered
> I have three machines connected:
>
> M1 ==> M2 ==> M3
>
> M2 has two NIC's and will not act as a router so the network around M3
> is secure.
>
> I have an NFS mount from M1 => M2 with no-root-squash,ro as /data on M2.
>
> When I try and mount M2 /data (NFS mount) to M3 as /data I cannot mount
> it because it is permission denied. I have no messages in
> /var/log/messages to show for my efforts so I cannot solve the problem.
> I do have another mount between the same boxes without any issues with
> exactly the same export file. I need to see the files on M1 on M3 to do
> support stuff (low volume so no performance issues).
>
And what does portmap have to say about this on both machines? Nine
times of ten, with a permission denied message, portmap is the service
responsible. Check hosts.allow on both machines, as well as rpcinfo,
and always remember the firing order for NFS (on Debian, anyway),
which is: portmap, nfs-common, nfs-{user,kernel}-server.
--
Steve
"I'm a doctor, not a doorstop"
- EMH, USS Enterprise
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