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