A cache/disk subsystem includes a host processor, a cache store, a disk drive device for driving a disk, and a storage control unit for controlling the transfer of data between the host, disk and cache store. The cache store holds segments of data which have been read from, or are to be written to, the...http://www.google.fr/patents/US4423479?utm_source=gb-gplus-shareBrevet US4423479 - Cache/disk subsystem with acquire write command
