Unable to mount NFS share over TCP in RHEL5

Solution Verified - Updated -

Issue

  • Mounting NAS exported NFS share over tcp is not working .

  • When a nfs share is trying to mount without any option, i.e.

    # mount servername:/share/point /local/mount/point

  • In case of RHEL 4, it attempts the mount on UDP (3 attempts), but fails over to TCP then completes the mount.

  • The same export and command when attempted from RHEL5, it fails after retry (5 attempts).

  • mount: mount to NFS server 'XXX.XXX.XXX.XXX' failed: timed out (retrying).

Environment

  • Red Hat Enterprise Linux 5.7
  • nfs-utils-1.0.9-40.el5

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