Dell UCSB-900, UCSE-900, UCSA-901 manual Or more Yes Removes Redundancy While increasing Capacity

Source RAID	Target RAID	Number of	Number of	Capacity	Description
Level	Level	Physical Disks	Physical Disks	Expansion
		(Beginning)	(End)	Possible
					distributed
					parity data.
RAID 0	RAID 6	1 or more	4 or more	Yes	At least two
					disks need to
					be added for
					dual distributed
					parity data.
RAID 1	RAID 0	2	2 or more	Yes	Removes
					redundancy
					while increasing
					capacity.
RAID 1	RAID 5	2	3 or more	Yes	Maintains
					redundancy
					while doubling
					capacity.
RAID 1	RAID 6	2	4 or more	Yes	Two disks
					required to be
					added for
					distributed
					parity data.
RAID 5	RAID 0	3 or more	3 or more	Yes	Converts to a
					non-redundant
					virtual disk and
					reclaims disk
					space used for
					distributed
					parity data.
RAID 5	RAID 5	3 or more	4 or more	Yes	Increases
					capacity by
					adding disks.
RAID 5	RAID 6	3 or more	4 or more	Yes	At least one
					disk needs to
					be added for
					dual distributed
					parity data.
RAID 6	RAID 0	4 or more	4 or more	Yes	Converts to a
					non-redundant
					virtual disk and
					reclaims disk
					space used for
					distributed
					parity data.

33