mount -v -t nfs4 -o sec=krb5p: mount.nfs4: mount(2): Invalid argument

Solution Verified - Updated -

Issue

  • On the NFS client, I try to mount the NFS share:
[root@client ~]# mount -v -t nfs4 -o sec=krb5p nfs.example.org:/ /mnt/ipashare
mount.nfs4: timeout set for Tue Sep 10 16:22:51 2013
mount.nfs4: trying text-based options 'sec=krb5p,addr=10.0.0.1,clientaddr=10.0.0.3'
mount.nfs4: mount(2): Invalid argument
mount.nfs4: an incorrect mount option was specified

While when I use the 'sec=sys' option, this option is accepted.

Environment

  • Red Hat Enteprise Linux (RHEL) 6
  • NFSv4
  • Kerberos authentication

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