The CSA primary device configures these storage arrays to form {HEAD ~ the logical data volume} and sends striping information, which defines the logical data volume, to {TAIL ~ the host device} 
The CSA primary device configures these storage arrays to form { HEAD ~ the logical data volume } and sends striping information , which defines the logical data volume , to { TAIL ~ the host device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL