| 摘要 |
PURPOSE:To shorten a data occupied time of a common bus by a data processing of a network system, etc., and to process efficiently the data by a disk cash by providing a disk cash of the part to be commonly accessed between processors at a disk device side. CONSTITUTION:A disk control device 32 of a network system is composed of a disk cash 34 and a communicating controller 35 which comunicates with a computer system 33 through a network 31. The computer system 33 is composed of a processor 39, a disk cash 37, a memory 40 and a communicating controller 38. A disk device 36 shared by plural computer systems 33 of the system is connected to the control device 32, and the part shared by respective systems of the device 36 is controlled by the disk cash 34. The part used individually by respective computer systems 33 side is controlled by the disk cash 37, and the data occupied time of the common bus by data processing is shortened.
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