From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Volumes.
3.
Select the volume for which you want to start deduplication.
4.
Click Deduplication.
5.
In the Deduplication dialog box, if you are starting deduplication on the volume for the first time, run deduplication on the entire volume data by selecting the "Scan entire volume" check box.
