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