Converting To RAID Capable Disks
Does my controller support this feature? See Supported Features.
In the Server Administrator window, under the system tree, expand Storage to display the controller objects.
Select the Controller object.
Click Information/Configuration on the controller Properties page.
In the Controller Tasks drop-down menu, select Convert to RAID Capable disks.
The non-RAID disks are displayed.Select the drives that you want to convert.
Click Apply.