Why does NFSv4 mount fail with Input/Output error on Red Hat Enterprise Linux 5 system ?

Solution Verified - Updated -

Issue

Why does NFSv4 mount fail with Input/Output error on Red Hat Enterprise Linux 5 system ?

[root@host ~]# cd /home/username
-bash: cd: /home/username: No such file or directory
[root@host ~]# mount -t nfs4 nfserver:/home/username /mnt
mount.nfs4: Input/output error

Environment

  • RHEL 5 update 4
  • Autofs: autofs-5.0.1-0.rc2.131.el5
  • Kernel: 2.6.18-164.11.1.el5

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