Patent ID: 6757790
Filing Date: 2004-06-29
Classification: G06F

Abstract:
A data storage facility for operation with a plurality of data processors each of which can issue a host request to initiate a data transfer with the data storage facility, said data storage facility comprising:A) a plurality of uniquely addressed data storage locations and controls for transferring data to and from the addressed locations, B) a plurality of processor-controlled data handling nodes responsive to a host request for identifying a specific data storage location, said processor-controlled data handling nodes including cache memory storage at cache memory locations for the data identified in the host request, C) processor-controlled cache tag controller nodes for maintaining cache tags that identify a specific cache location for each addressed data storage location in response to the processing of a data transfer request in said data handling nodes, D) a first multi-path connection interconnecting said data handling nodes and said cache tag controller nodes, and E) a second multi-path connection interconnecting said plurality of data storage locations and said cache memory locations.