Patent ID: 6108750
Filing Date: 2000-08-22
Classification: G06F

Abstract:
A disk storage system to be coupled to a processor to receive read and write requests, comprising:a control unit having a plurality of external connection points; anda disk unit group including two storage units wherein write data of a write request is written to each of said storage units;wherein the control unit:receives first and second read requests to the disk unit group and in response thereto:conducts a first read operation to read data requested by the first read request from one storage unit in said disk unit group and a second read operation to read data requested by the second read request from another storage unit in said disk unit group; andconducts a first output operation to output data read by said first read operation from one of said plurality of external connection points and a second output operation to output data read by said second read operation from another of said plurality of external connection points, said second output operation being started before said first output operation has been finished.