Deleting expired WORM Snapshot copies
You can delete WORM Snapshot copies that are retained beyond their retention period. WORM Snapshot copies are not deleted automatically. You must delete them when they expire. The expiry of snapshot copies is based on comparing the retention time of the snapshot copies with the volume ComplianceClock of the SnapLock volume.
How to retain more than 255 SnapVault Snapshot copies
The limit imposed by Data ONTAP for retaining Snapshot copies is 255. However, if you need to retain more than 255 Snapshot copies, you can do so by creating a new volume.
Turning SnapVault off
You might want to turn SnapVault off because the files are no longer important or current or have been moved to another location.