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    • 7. 发明专利
    • Computer composite system
    • 计算机复合系统
    • JPS592163A
    • 1984-01-07
    • JP11225882
    • 1982-06-29
    • Fujitsu Ltd
    • TAKASAKI KIKUO
    • G06F15/16G06F11/18G06F12/00G06F13/16G06F15/177
    • G06F11/18G06F13/16
    • PURPOSE:To execute correctly an built-in control and a detaching control without exerting undesired influence on an operation state under a majority decision principle, by preparing at least an under-normal operation mode, an under-detachment mode, an under-incorporation mode and an under-consideration mode, as modes of each data processing system. CONSTITUTION:Each data processing system 1 has four modes, and each separate data processing system 1A through 1D holds in which mode of said modes each data processing system 1 in a composite system is, in system state control tables 10A through 10D, respectively. Also, how a data base 2 is being used at present can be grasped by data base using state tables of 11A to 11D. When each data processing system of 1A to 1D executes the access to the data base 2, it, as it were, discusses this matter with other data processing system, obtains an approval under the majority decision principle and executes access-serializing by an exclusive control.
    • 目的:通过准备至少不正常的操作模式,欠分离模式,欠合并模式,正确执行内置控制和分离控制,而不会在多数决定原则下对运行状态造成不良影响 和不足的模式,作为每个数据处理系统的模式。 构成:每个数据处理系统1具有四种模式,并且每个单独的数据处理系统1A至1D分别保持在组合系统中的每个数据处理系统1的所述模式的哪种模式在系统状态控制表10A至10D中。 此外,目前使用数据库2的数据库可以使用11A到11D的状态表来掌握数据库。 当1A到1D的每个数据处理系统执行对数据库2的访问时,就像其他数据处理系统一样讨论这个问题,在多数决定原则下获得批准,并通过排他控制执行访问序列化 。