Mac : raid 10 Hint

$ diskutil appleRAID list

 

diskutil createRAID stripe RAID10_Volume_Name JHFS+ UUID_OF_MIRROR_ARRAY1 UUID_OF_MIRROR_ARRAY2

 

diskutil appleRAID add spare UUID_OF_NEW_HARD_DRIVE UUID_OF_RAID_ARRAY

 

diskutil appleRAID add member UUID_OF_NEW_HARD_DRIVE UUID_OF_RAID_VOLUME

 

diskutil appleRAID repairMirror