1 mkarray  -level
2 raid0
2 raid1
2 raid5
2 raid6
2 raid10
3  -drive  drive_id_list
4?  -strip
4.1 128
4.1 256
5?  -sparegoal
5.1 0-(MAX_DRIVES-1)
6?  -name new_name_arg
7?  -slowwritepriority
7.1.0 latency 
7.1.0 redundancy
8?  -encrypt
8.1 yes
8.1 no
9 mdiskgrp_id 
9 mdiskgrp_name