This article will guide you on how to fix #NFS server not responding timed out #error which occurs when there is a heavy #server or #network load.
Why NFS is not working?
i. Check the file /proc/fs/nfs/exports and make sure the volume and client are listed correctly.
ii. Finally, try to ping the client from the server, and try to ping the server from the client.
iii. If this doesn't work, or if there is packet loss, you may have lower-level network problems.