The disk unit includes a plurality of disk units for storing {HEAD ~ information} transmitted from {TAIL ~ the host unit} and a management information recording device, formed by utilizing information storage areas in the disk units, for causing information relating to a logical unit for storing information from the host unit to correspond to information relating to the units 
The disk unit includes a plurality of disk units for storing { HEAD ~ information } transmitted from { TAIL ~ the host unit } and a management information recording device , formed by utilizing information storage areas in the disk units , for causing information relating to a logical unit for storing information from the host unit to correspond to information relating to the units
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH