NetApp
Cluster-Mode System Manager Help : Cluster-Mode : Cluster > Storage > Aggregates : Configuring aggregates : Creating aggregates
Creating aggregates
You can use the Create Aggregate wizard to create an aggregate to provide storage to one or more FlexVol volumes. The system automatically selects the disks. You can also manually select the disks. You can specify the RAID group size for the new aggregate.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Storage > Aggregates.
3.
Click Create.
4.
Type or select information as requested by the wizard.
5.
Confirm the details and click Finish to complete the wizard.