nfs: server <hostname> not responding ("timeo" option is set too low for NFS/TCP)

Solution Verified - Updated -

Issue

  • NFS client takes long time to access NFS shares
  • "server not responding" messages on the NFS client, although the NFS server is up and running.

Environment

  • Red Hat Enterprise Linux
  • NFSv3 over TCP
  • Custom "timeo" and "retrans" mount options were specified
  • DVD-ROM is exported over NFS

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