Sporadic "Permission Denied" errors when attempting to access a file on an NFS share caused by a race in the RHEL NFS server

Solution Verified - Updated -


  • Sporadic Permission Denied errors in NFS clients during around 10 minutes.
  • During this period, in the NFS server, the user entry getting denied in /proc/net/rpc/auth.unix.gid/content presents multiple instances of the same GID listed, and missing GIDs.


  • Red Hat enterprise Linux (RHEL) 7
  • NFS Server
    • rpc.mountd is configured with --manage-gids

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