analyzing the storage arrays for their available performance capability in light of {TAIL ~ the performance requirements} for {HEAD ~ the logical data volume} 
analyzing the storage arrays for their available performance capability in light of { TAIL ~ the performance requirements } for { HEAD ~ the logical data volume }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD