NEC D3 Quick Start Manual page 40

9. At the Select RAID Type window, select
the type of RAID that will be used for the
logical disk set in this pool. The RAID
options available will depend on whether
the pool type is dynamic or basic as
chosen in the previous screen.
After the appropriate RAID type has been
selected, click Next to continue.
10. At the Select Physical Drive window,
select each physical drive to be added to
the logical disk pool, and then click Add
for each one highlighted until the
requisite number of drives for that pool
type have been added.
NEC D3/D4 Quick Start Guide 38