On 25/06/2021 11:51, Robert McBroom via users wrote:
tcp6 0 0 :::111 :::* LISTEN
@RobertPC ~]# mount -v -t nfs -o vers=3,proto=tcp6 [2600:1702:4860:9dd0::2d]:/mnt/HD/HD_a2/mcstuffy /mnt/mcstuffy
mount.nfs: timeout set for Thu Jun 24 23:30:20 2021
Created symlink /run/systemd/system/remote-fs.target.wants/rpc-statd.service → /usr/lib/systemd/system/rpc-statd.service.
mount.nfs: trying text-based options 'vers=3,proto=tcp6,addr=2600:1702:4860:9dd0::2d'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: portmap query failed: RPC: Program not registered
mount.nfs: trying text-based options 'vers=3,proto=tcp6,addr=2600:1702:4860:9dd0::2d'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: portmap query failed: RPC: Program not registered
mount.nfs: trying text-based options 'vers=3,proto=tcp6,addr=2600:1702:4860:9dd0::2d'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: portmap query failed: RPC: Program not registered
mount.nfs: requested NFS version or transport protocol is not supported
This tells me the problem is a configuration or limitation on the NFS Server side.
The output of the netstat command showed that port 111 has a listen. That is the first contact your client makes with
the server. The server then tells your client what ports to contact to complete the request.
You can see this when I connect to NFS server via IPv6 after the mount process tells me to use
mount.nfs: trying 2001:b030:112f:2::53 prog 100005 vers 3 prot TCP port 20048. On the server
And I can see that mountd is listening on the port for both tcp6 and tcp.
[root@f33k ~]# netstat -tlnp | grep mountd
tcp 0 0 0.0.0.0:20048 0.0.0.0:* LISTEN 824/rpc.mountd
tcp6 0 0 :::20048 :::* LISTEN 824/rpc.mountd
When you client used the port it was told to it fails. A server side issue.
You may want to try with....
mount -v -t nfs -o vers=3,proto=udp6 [2600:1702:4860:9dd0::2d]:/mnt/HD/HD_a2/mcstuffy /mnt/mcstuffy
To see if it fails/works.
I would also be interested in the output of
rpcinfo 2600:1702:4860:9dd0::2d
--
Remind me to ignore comments which aren't germane to the thread.
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