James L Iskiyan, Vernon J Legvold, Peter L H Leung, Guy E Martin: Peripheral subsystem having read/write cache with record access. International Business Machines Corporation, G E Clark, H F Somermeyer, October 17, 1989: US04875155 (68 worldwide citation)

Data is accessed by record identification in a peripheral sub-system having cache and back store to transfer the most recently updated version of one or more records stored in the subsystem where one version of a record may be in a back store and a modified version of the record may be in a cache st ...