configuring the selected storage arrays for storage spaces for {TAIL ~ the logical data volume}, the storage spaces of each selected storage array containing a portion of {HEAD ~ the logical data volume} 
configuring the selected storage arrays for storage spaces for { TAIL ~ the logical data volume } , the storage spaces of each selected storage array containing a portion of { HEAD ~ the logical data volume }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD