It is another aspect of the invention to transpose {HEAD ~ the data} within the RAID system to change from one RAID variation to {TAIL ~ another} 
It is another aspect of the invention to transpose { HEAD ~ the data } within the RAID system to change from one RAID variation to { TAIL ~ another }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL