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Permission denied to some NFS users due to nblade cache

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551
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

ONTAP 9

Issue

  • After migration from on-prem to CVO, some NFS users report permission denied
  • The volume is Unix security style and Unix permissions (owner, group, other) are configured on the filesystem
  • LDAP is used to lookup UIDs and GIDs
  • Recently changes to LDAP schema were done to enable 2307bis
  • Users have many supplemental GIDs
  • Security trace in ONTAP states access is denied due to Unix permissions
  • ONTAP returns Unix user names with correct UIDs and supplemental GIDs
  • That are other similar Unix users with the same group membership that have access

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