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    • 1. 发明授权
    • Method and system for high-availability database
    • 高可用性数据库的方法和系统
    • US07447711B2
    • 2008-11-04
    • US10769351
    • 2004-01-30
    • Norihiro HaraMitsuo MiyazakiNobuo KawamuraKatsushi YakoMasataka Kan
    • Norihiro HaraMitsuo MiyazakiNobuo KawamuraKatsushi YakoMasataka Kan
    • G06F17/30
    • G06F11/2035G06F11/2025G06F11/2033Y10S707/99953
    • The present invention provides a system switching function for database management systems which requires no standby resources idling during normal operation. One aspect of the invention is directed to a method for processing databases in a system which includes a plurality of storage areas each storing a database and a plurality of computers each having a database management program running thereon which manages one of the plurality of storage areas. Each storage area is associated with only the computer managing the storage area. The method comprises, when a failure has occurred in one of the plurality of computers as a failed computer, obtaining preset substitution information indicating that the storage area managed by the database management program running on the failed computer is to be managed by the database management program running on another one of the plurality of computers as a substitute computer; and, based on the substitution information, changing association of the storage area with the failed computer to the substitute computer. The storage area is to be managed by the database management program running on the substitute computer.
    • 本发明提供了一种用于数据库管理系统的系统切换功能,其在正常操作期间不需要备用资源空闲。 本发明的一个方面涉及一种用于处理系统中的数据库的方法,该方法包括多个存储数据库的存储区域和多个计算机,每个计算机具有在其上运行的数据库管理程序,其管理多个存储区域中的一个。 每个存储区域仅与管理存储区域的计算机相关联。 该方法包括:当作为故障计算机的多台计算机中的一台计算机发生故障时,获得表示由该故障计算机上运行的数据库管理程序管理的存储区域由数据库管理程序管理的预置替代信息 作为替代计算机运行在所述多个计算机中的另一个上; 并且基于替代信息,将存储区域与故障计算机的关联改变为替代计算机。 存储区域由在替代计算机上运行的数据库管理程序进行管理。
    • 2. 发明申请
    • Method and System for High-Availability Database
    • 高可用性数据库的方法和系统
    • US20090055444A1
    • 2009-02-26
    • US12255707
    • 2008-10-22
    • Norihiro HaraMitsuo MiyazakiNobuo KawamuraKatsushi YakoMasataka Kan
    • Norihiro HaraMitsuo MiyazakiNobuo KawamuraKatsushi YakoMasataka Kan
    • G06F17/30
    • G06F11/2035G06F11/2025G06F11/2033Y10S707/99953
    • The present invention provides a system switching function for database management systems which requires no standby resources idling during normal operation. One aspect of the invention is directed to a method for processing databases in a system which includes a plurality of storage areas each storing a database and a plurality of computers each having a database management program running thereon which manages one of the plurality of storage areas. Each storage area is associated with only the computer managing the storage area. The method comprises, when a failure has occurred in one of the plurality of computers as a failed computer, obtaining preset substitution information indicating that the storage area managed by the database management program running on the failed computer is to be managed by the database management program running on another one of the plurality of computers as a substitute computer; and, based on the substitution information, changing association of the storage area with the failed computer to the substitute computer. The storage area is to be managed by the database management program running on the substitute computer.
    • 本发明提供了一种用于数据库管理系统的系统切换功能,其在正常操作期间不需要备用资源空闲。 本发明的一个方面涉及一种用于处理系统中的数据库的方法,该方法包括多个存储数据库的存储区域和多个计算机,每个计算机具有在其上运行的数据库管理程序,其管理多个存储区域中的一个。 每个存储区域仅与管理存储区域的计算机相关联。 该方法包括:当作为故障计算机的多台计算机之一发生故障时,获得指示由在该故障计算机上运行的数据库管理程序管理的存储区域由数据库管理程序管理的预置替代信息 作为替代计算机运行在所述多个计算机中的另一个上; 并且基于替代信息,将存储区域与故障计算机的关联改变为替代计算机。 存储区域由在替代计算机上运行的数据库管理程序进行管理。
    • 5. 发明授权
    • System and method for highly available data processing in cluster system
    • 集群系统中高可用数据处理的系统和方法
    • US07801860B2
    • 2010-09-21
    • US10994457
    • 2004-11-23
    • Masataka KanNorihiro HaraNobuo Kawamura
    • Masataka KanNorihiro HaraNobuo Kawamura
    • G06F7/00G06F17/00
    • G06F11/2028G06F11/1662G06F11/2038G06F2201/80
    • In a system that switches multiple database servers to separate computers, a switching order of the database servers is variably changed and set. In the system that allows an executive system computer and a standby system computer having the database servers to share a database respectively, the system is switched from the database server of the executive system computer to the database server of the standby system computer. Information (order information) that indicates an order in which the system of the executive system database server is switched is registered in a storage device. The order information is changed by detection of the occurrence of an event in the executive system computer. The system switching processing is performed from the executive system database server to the standby system database server in accordance with the changed order information.
    • 在将多个数据库服务器切换到单独的计算机的系统中,数据库服务器的切换顺序是可变的和设置的。 在允许具有数据库服务器的执行系统计算机和备用系统计算机分别共享数据的系统中,系统从执行系统计算机的数据库服务器切换到备用系统计算机的数据库服务器。 指示切换执行系统数据库服务器的系统的顺序的信息(订单信息)被登记在存储装置中。 通过检测执行系统计算机中事件的发生来改变订单信息。 根据改变的订单信息,从执行系统数据库服务器到备用系统数据库服务器执行系统切换处理。
    • 6. 发明申请
    • System and method for highly available data processing in cluster system
    • 集群系统中高可用数据处理的系统和方法
    • US20050144197A1
    • 2005-06-30
    • US10994457
    • 2004-11-23
    • Masataka KanNorihiro HaraNobuo Kawamura
    • Masataka KanNorihiro HaraNobuo Kawamura
    • G06F12/00G06F17/30
    • G06F11/2028G06F11/1662G06F11/2038G06F2201/80
    • In a system that switches multiple database servers to separate computers, a switching order of the database servers is variably changed and set. In the system that allows an executive system computer and a standby system computer having the database servers to share a database respectively, the system is switched from the database server of the executive system computer to the database server of the standby system computer. Information (order information) that indicates an order in which the system of the executive system database server is switched is registered in a storage device. The order information is changed by detection of the occurrence of an event in the executive system computer. The system switching processing is performed from the executive system database server to the standby system database server in accordance with the changed order information.
    • 在将多个数据库服务器切换到单独的计算机的系统中,数据库服务器的切换顺序是可变的和设置的。 在允许具有数据库服务器的执行系统计算机和备用系统计算机分别共享数据的系统中,系统从执行系统计算机的数据库服务器切换到备用系统计算机的数据库服务器。 指示切换执行系统数据库服务器的系统的顺序的信息(订单信息)被登记在存储装置中。 通过检测执行系统计算机中事件的发生来改变订单信息。 根据改变的订单信息,从执行系统数据库服务器到备用系统数据库服务器执行系统切换处理。
    • 10. 发明申请
    • Method of constructing database management system
    • 构建数据库管理系统的方法
    • US20070011164A1
    • 2007-01-11
    • US11477465
    • 2006-06-30
    • Keisuke MatsubaraMasataka KanYukio Nakano
    • Keisuke MatsubaraMasataka KanYukio Nakano
    • G06F17/30
    • G06F11/2035G06F11/203G06F11/2048
    • In a database management system constructing method of constructing a database management system including a plurality of information processing devices, there are provided a step of creating a definition file and storing the definition file into storage devices, and a step of delivering the stored definition file to each of the information processing devices via a communications device, the information processing devices configuring the database management system. Here, the definition file defines the total number of database processing servers in which database processing servers of an information processing device where a failure has occurred are equally distributable into a plurality of information processing devices other than the information processing device at the time of the failure occurrence corresponding to each number-of-times of multi-failure tolerant number-of-times which indicates tolerant number-of-times of multi failures, and the information processing devices for executing the database processing servers.
    • 在构建包括多个信息处理装置的数据库管理系统的数据库管理系统构造方法中,提供了创建定义文件并将定义文件存储到存储装置中的步骤,以及将存储的定义文件传送到 每个信息处理设备经由通信设备,信息处理设备配置数据库管理系统。 这里,定义文件定义了数据库处理服务器的总数,其中发生故障的信息处理设备的数据库处理服务器在故障时可以均等地分配到除了信息处理设备之外的多个信息处理设备 以及表示多个故障容许次数的多个故障容许次数的每个次数的发生,以及用于执行数据库处理服务器的信息处理装置。