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Why do CIFS share ACLs disappear?

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ontap-9
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nas
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Applies to

  • ONTAP 9
  • CIFS

Answer

  • Permissions on the share and the parent folder:
    • if the "Everyone" group has full control permissions, it can overwrite other ACL settings.
    • Ensure that the permissions are set correctly and that there are no conflicting settings.
    • Remove or adjust any unnecessary or overly permissive permissions, such as the "Everyone" group having full control.
    • Restrict permissions to only the necessary user or group accounts.

Additional Information

ACLs (Access Control Lists) on the CIFS share could disappear for other reasons:
  • Incorrect inheritance settings:
    • Check if there are any inheritance settings on the parent folder or the share itself that might be affecting the ACLs.
    • If the ACLs are being inherited from a higher-level folder or share, changes made directly to the CIFS share might be overwritten.
  • Review the inheritance settings on the parent folder and the share.
    • Ensure that the desired ACLs are applied correctly and that there are no conflicting inheritance settings.
    • Consider disabling inheritance if necessary to maintain the desired ACLs on the share.
  • Scheduled tasks or scripts:
    • It's possible that there might be scheduled tasks or scripts running on the system that are modifying the ACLs on the share.
    • These tasks or scripts could be part of the data migration process or other administrative tasks.
  • Check for any scheduled tasks or scripts that might be modifying the ACLs on the share.
    • Review the scripts or tasks to identify any ACL modification operations.
  • Audit and monitoring:
    • Enable auditing and monitoring on the share to track any changes to the ACLs.
    • This can help identify the source or cause of the ACL modifications.

 

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