{TAIL ~ The user}, through a host device, issues a command to {HEAD ~ the CSA} to create the logical data volume 
{ TAIL ~ The user } , through a host device , issues a command to { HEAD ~ the CSA } to create the logical data volume
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH