Thecus N2810 Series User Manual page 67

NOTE
Remove Folder:
Click on Remove Folder tab and associated folder will be deleted from system.
WARNING
Snapshot
Snapshot (Btrfs file system only):
SMB and enterprise Thecus IP storage systems are now capable of saving
16 snapshot versions of files and folders. For Snapshot to function, a "BTRFS" file
system is required.
The ACL can only be set for share and sub-folders level, not for files.
All the data stored in the folder will be deleted once the folder is deleted.
The data will not be recoverable.
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