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      

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