Patent ID: 6754769
Filing Date: 2004-06-22
Classification: G06F

Abstract:
A disk array controller for use in storing data transmitted and received between a host computer and a disk enclosure, said disk array controller comprising:at least one cache memory which stores data transmitted and received between the host computer and the disk enclosure, said at least one cache memory including at least one memory module and a plurality of crossbar switches connected with said at least one memory module; a plurality of host computer adapters which connect the host computer with said at least one cache memory, said plurality of host computer adapters being connected with said plurality of crossbar switches; a plurality of disk enclosure adapters which connect the disk enclosure with said at least one cache memory, said plurality of disk enclosure adapters being connected with said plurality of crossbar switches, wherein said plurality of crossbar switches are operable to directly connect said host computer adapters to said disk enclosure adapters, and wherein any one of said plurality of crossbar switches is operable as a master while the others of said plurality of crossbar switches are operable as slaves controlled by said master.