What are the requirements for a metaLUN stripe expansion?

A.
All participating LUNs must be the same size and RAID type..
B.
All participating LUNs must be owned by the same SP.
C.
All participating disks in any of the LUNs must be the same type.
D.
All participating disks must belong to the same disk array enclosure.
E.
A and C
F.
B and C
G.
A and D
H.
C and D