{TAIL ~ The logical data volumes} typically have performance requirements that cannot be met by {HEAD ~ a single storage array} 
{ TAIL ~ The logical data volumes } typically have performance requirements that can not be met by { HEAD ~ a single storage array }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD