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Oracle Linux: NFS Client returns NFS: V4 Server Returned A Bad Sequence-id Error On An Unconfirmed Sequence Ffff8edcb6d16020! (Doc ID 2799039.1)

Last updated on AUGUST 18, 2021

Applies to:

Linux OS - Version Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] and later
Linux x86-64


NFS client returns the error "NFS: v4 server returned a bad sequence-id error on an unconfirmed sequence ffffa0557ebf6820". The NFS loses connection between client and server. NFS version used is 4.0.

The NFS server is ZS storage

Following messages are shown from the NFS client


The sequence number in a locking request is neither the next expected number or the last number processed.


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