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Dell Storage Manager 2020 R1 Administrator's Guide

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SMB ACL Corruption

Description SMB ACLs are corrupt.
Cause
  • ACLs were accidentally changed by a user or script.
  • ACLs are corrupted after an anti-virus application accidentally quarantined corresponding files.
  • ACLs got corrupted after data recovery by a backup application due to compatibility issues.
  • ACLs got corrupted after migrating data from a different location by using a third-party application, for example, RoboCopy.
Workaround Check the current ACL setting in the Windows client. Redefine the ACLs for the files by using a Windows client the same way you initially defined it. Verify that you set the ACLs as the owner of the files, directories, and SMB shares. If you cannot redefine your ACLs because you currently do not have permissions, perform the following steps:
  1. Restore the files from snapshots or a backup.
  2. If you have migrated the data from a different location, for example, using the RoboCopy application, there is a good chance you can restore ACLs by copying only ACLs metadata, instead of re-copying the whole data.
  3. If all file system ACLs are corrupted you can restore all data from a NAS replication partner.

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