NFS : intermittent "Permission denied" while accesing a share

Solution In Progress - Updated -

Issue

Access to a NFSv3 Share gets "Permission denied" intermittently (strace) :

28948 08:04:13.572154 open("/mnt/testfile",O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK, 0666) = -1 EACCES (Permission denied) 

After some time, access to the file is recovered by itself without any intervention

Environment

  • Seen on NFSv3
  • AUTH_UNIX authentication

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