Method for organizing storage devices of unequal storage capacity and distributing data using different raid formats depending on {HEAD ~ size} of {TAIL ~ rectangles} containing sets of the storage devices 
Method for organizing storage devices of unequal storage capacity and distributing data using different raid formats depending on { HEAD ~ size } of { TAIL ~ rectangles } containing sets of the storage devices
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH