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How a FlexVol volume can reclaim free space from FlexClone files and FlexClone LUNs

You can configure the autodelete settings of a FlexVol volume to automatically delete FlexClone files and FlexClone LUNs that have autodelete enabled when a volume is nearly full to reclaim a target amount of free space in the volume.

You can configure a volume to automatically start deleting FlexClone files and FlexClone LUNs when the free space in the volume decreases below a particular threshold value and automatically stop deleting clones when a target amount of free space in the volume is reclaimed. Although you cannot specify the threshold value that starts the automatic deletion of clones, you can specify whether a clone is eligible for deletion, and you can specify the target amount of free space for a volume to reclaim by deleting clones.

A volume automatically deletes FlexClone files and FlexClone LUNs when the free space in the volume decreases below a particular threshold and when both the following requirements are met:

You can specify the autodelete setting for FlexClone LUNs created using Data ONTAP 8.2 and later, and you can specify the autodelete setting for FlexClone files created using Data ONTAP 8.3 and later. After upgrading to Data ONTAP 8.3, FlexClone files created using Data ONTAP versions earlier than 8.3 have autodelete disabled. You can enable autodelete for the FlexClone files by using the volume file clone autodelete command.