DATA STORAGE SYSTEM

摘要

A data storage system wherein each one of a plurality of first director/memory boards includes (i) a director coupled to a host computer/server; and (ii) a local cache memory section in communication with the director on such board and each one of a plurality of second director/memory boards includes (i) a director coupled to a bank of disk drives; and (ii) a local cache memory section in communication with the director on such board. Write data supplied by the host computer/server for storage in the bank of disk drives is passed to the local cache memory section of one of the second plurality of director/memory boards. Read data supplied by the bank of disk drives for use by the host computer/server is passed to the local cache memory section of one of the first plurality of director/memory boards.