RHEL7.4: NFS client sends two CLOSE operations for the same stateid resulting in a bad sequence-id (NFS4ERR_BAD_SEQID) error reply from the NFS server

Solution Unverified - Updated -

Issue

A Linux NFSv4 client is seeing bad sequence-id error! messages and it affect our NetApp NFS server, eventually exhausting it and giving ALL our productions servers bad NFS performance and because of that we get high load on the RHEL servers

Environment

  • Red Hat Enterprise Linux 7 (NFS client)
    • kernel-3.10.0-693.el7 and above
  • NFSv4
  • Seen with NetApp NFS server (9.1P8)

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