You can use the Create Aggregate dialog box to create a new aggregate from selected spare array LUNs. You must first change the ownership of an array LUN to spare, making the array LUN available for use.
Steps
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Array LUNs.
3.
Select one or more spare array LUNs and click Create Aggregate.