The CSA primary device receives the volume create command and queries the individual storage arrays in {HEAD ~ the CSA} to analyze {TAIL ~ the CSA} to determine which combination of the individual storage arrays will best satisfy the required parameters for the logical data volume 
The CSA primary device receives the volume create command and queries the individual storage arrays in { HEAD ~ the CSA } to analyze { TAIL ~ the CSA } to determine which combination of the individual storage arrays will best satisfy the required parameters for the logical data volume
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH