RHEL6: NFS4 CLOSE repeats with NFS4ERR_ADMIN_REVOKED (10047) error

Solution Unverified - Updated -

Issue

  • We have gathered a tcpdump and see that one NFS4 CLOSE operation is being sent and repeatedly completing with 10047 status (NFS4ERR_ADMIN_REVOKED)
  • A process is hung in a close system call, and ultimately it is because NFS4 CLOSE operation is not completing
  • During the period of time where CLOSE repeatedly completes with NFS4ERR_ADMIN_REVOKED, one or more bad sequence-id messages may be seen.
NFS: v4 server nfs-server  returned a bad sequence-id error!

Environment

  • Red Hat Enterprise Linux 6 (NFS client)
    • kernels earlier than kernel-2.6.32-431.29.2.el6
  • NFS4
  • Seen with NetApp NFS server
    • Ontap 8.1.2P4
    • delegations disabled

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