NFS client goes into SEQUENCE/NFS4ERR_SEQ_MISORDERED loop
Issue
NFS mounts become hung after receiving an error from the nfs server.
(NOTE: there are many possible conditions which could result in such a hang; this solution addresses only the condition when verified in the packet capture, as described in the diagnostic steps below)
Environment
NFS Client
- Red Hat OpenStack Platform release 16.1.1 GA
- Red Hat Enterprise Linux release 8.2
- Red Hat Enterprise Linux release 8.4
- Red Hat Enterprise Linux release 8.6
NFS server
- NetApp ONTAP 9.7P10
- NetApp ONTAP 9.3P18
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