linear
Linear (append) mode
Combine the partitions by simply appending one to the other.
0
RAID-0 (striping) mode
Combine the partitions into one logical device filling them up evenly.
1
RAID-1 (mirroring) mode
N disk drives, exact copies of each other. Safe against (N - 1) drive failures.
4
RAID-4/5 mode
N drives, C MB per drive, provides C * (N - 1)MB. A single drive is redundant.
5
RAID-4/5 mode
RAID 4/parity blocks on single drive, RAID 5/parity distributed across all drives

