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After upgrading my router, I am unable to mount NFS shares from a Debian server on an OS X client. I have updated /etc/exports according to the new IP address of the client (first line previously worked with the old IP, second is a MWE):

/mnt/backup  *(rw,no_subtree_check)

I've applied the changes with

exportfs -ar

And have also restarted the daemons:

/etc/init.d/nfs-kernel-server restart
/etc/init.d/nfs-common restart

All with no errors. showmount -e on the server returns an empty list and I am unable to mount the share from the OS X client. rpcinfo -p shows versions 2-4 of NFS, and nfsstat –s has an entry for "Server nfs v3". Any ideas?

share|improve this question
iptables? can you mount the volume on the localhost? – ethrbunny Jan 10 '14 at 17:27
You shouldn't be specifying the same mount point on multiple lines. If you need to define multiple clients with different options you should use a space separated list. – yoonix Jan 10 '14 at 18:52
After leaving the machine overnight, showmount now lists the partition, and it is mountable. Strange... but at least now it's working... Thanks for the tip about mountpoints defined on multiple lines @yoonix – lyineyes Jan 11 '14 at 7:33

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