The CSA primary device also manages the storage arrays and the logical data volume by monitoring the storage arrays to determine whether {HEAD ~ any} of the storage arrays is about to reach its saturation point, typically due to changing performance requirements of all of the logical data volumes on {TAIL ~ the storage} arrays 
The CSA primary device also manages the storage arrays and the logical data volume by monitoring the storage arrays to determine whether { HEAD ~ any } of the storage arrays is about to reach its saturation point , typically due to changing performance requirements of all of the logical data volumes on { TAIL ~ the storage } arrays
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH