Troubleshooting

Issue:

If the showmount command fails:
$ showmount 10.138.217.89
clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host)
Solution:

This is likely due to a firewalld configuration problem. Verify your configuration.

Issue:

You cannot write to share.
$ touch tmpshare/foo.txt
touch: cannot touch `tmpshare/foo.txt': Permission denied
Solution:

Update the permissions by changing the mode/ownership of the share on the NFS server using the chmod and/or chown commands.