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