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Export policy evaluation intermittently fails for hostnames

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • NFS
  • Export Policies

Issue

  • Clients will occasionally get denied access when export policies are re-evaluated
  • This may occur when changing the existing export policy rules or clearing the access cache
  • This only impacts clients that gain access via hostname-based clientmatch rules (ip-based clientmatch rules are unaffected)
  • The ns-switch host database is configured with the specific order of files,dns
  • Packet traces of this behavior do not show ONTAP querying DNS to resolve the hostname when the resolved hostname is not already cached

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