NFS "mount system call failed"

[Harald Schmalzbauer]

 Bezüglich Märk Owen's Nachricht vom 20.01.2015 16:44 (localtime):
> Hi everyone,
>
> I'm using FreeBSD 10.1 to share a ZFS pool (mounted at /media/storage)
> through NFS to Linux clients (Debian 7). I don't seem to get any errors
> when the nfs services start on FreeBSD but I can't mount the shares on
> the clients, all I get is: mount.nfs4: mount system call failed (Tried
> as NFSv3 and NFSv4, same result).
>
> I'm really frustrated here since It worked barely an hour ago and I
> have absolutely no idea why I getting this error now.
>
> Anyway, here are my /etc/rc.conf and /etc/exports files from the server:
>
> /etc/rc.conf
> 	...
> 	## ZFS
> 	zfs_enable="YES"
> 	## NFSv4 Server
> 	nfs_server_enable="YES"
> 	nfsv4_server_enable="YES"
> 	rpcbind_enable="YES"
> 	mountd_enable="YES"
> 	mountd_flags="-r"
> 	#rpc_lockd_enable="YES"
> 	#rpc_statd_enable="YES"
>
> /etc/exports (I tried both as NFSv3 and NFSv4, here are the two options)
> -NFSv3:
> 	/media/storage/data -ro -alldirs -network 192.168.1.0 -mask
> 	255.255.255.0
>
> -NFSv4:
> 	V4:/media/storage -network 192.168.1.0 -mask 255.255.255.0
> 	/media/storage/data -ro -alldirs -network 192.168.1.0 -mask
> 	255.255.255.0

For the nfs4 case it seems 'nfsuserd_enable="YES"' is missing in your
rc.conf (and on the client?).
If your clients don't share the same domain suffix in their fqdn, you'll
also want to set 'nfsuserd_flags="-domain your.upper.tld"'

-Harry

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