9edd1e4c_NTFS__Logical_Disk_Manager__Type_of_Container_
[Extend:] To Extend, you will need at least three disks. Each part of "M:" can be extended on the same disk or on other disks. [Type of Container:] 
Stripe with parity
S i m p l e
S p a n n e d
S t r i p e
M i r r o r
S t r i p e w i t h p a r i t y
M i r r o r e d S t r i p e ( n o t s h o w n )
NTFS: Logical Disk Manager