NetApp
Cluster-Mode System Manager Help : Cluster-Mode : Cluster > Storage > Aggregates : Managing aggregates : Editing aggregate settings

Editing aggregate settings
You can use the Edit Aggregate dialog box to change the aggregate name, RAID group size, and RAID type. You can change the RAID group size for optimal storage system performance or edit the RAID type to change the level of protection. You cannot modify the name of a SnapLock Compliance aggregate.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Aggregates.
3.
Select the aggregate, you want to edit, from the aggregate list and click Edit.
4.
In the Edit Aggregate dialog box, make the necessary changes.
5.
Click OK.
6.
Verify the changes you made to the selected aggregate.