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    • 4. 发明授权
    • Automated node fencing integrated within a quorum service of a cluster infrastructure
    • 集群基础架构的法定服务内集成了自动化节点防护
    • US08381017B2
    • 2013-02-19
    • US12784011
    • 2010-05-20
    • Myung BaeRobert K Gardner
    • Myung BaeRobert K Gardner
    • G06F11/18G06F11/00
    • G06F11/0709G06F11/1425G06F11/181G06F11/202
    • A quorum service within a cluster infrastructure layer of a cluster environment comprising a plurality of nodes automatically triggers at least one automated fencing operation integrated within the quorum service, to reliably maintain a node usability state of each node of the plurality of nodes indicating an availability of each node to control and access at least one shared resource of the cluster. The quorum service reports the node usability state of each node as a cluster health status to at least one distributed application within an application layer of the cluster environment, to provide a reliable cluster health status of the plurality of nodes to the at least one distributed application for a failover of said at least one shared resource from control by a failed node from among the plurality of nodes to another node from among the plurality of nodes.
    • 包括多个节点的集群环境的集群基础设施层内的仲裁服务自动触发集成在仲裁服务内的至少一个自动化防护操作,以可靠地维护多个节点中每个节点的节点可用性状态,指示可用性 每个节点控制和访问集群的至少一个共享资源。 仲裁服务将每个节点的节点可用性状态作为集群健康状态报告给集群环境的应用层内的至少一个分布式应用,以向多个节点提供至少一个分布式应用的可靠集群健康状态 用于将所述至少一个共享资源的故障转移从多个节点中的故障节点的控制转移到所述多个节点中的另一个节点。
    • 8. 发明申请
    • Method of generating database schema to provide integrated view of dispersed data and data integrating system
    • 生成数据库模式以提供分散数据和数据集成系统的集成视图的方法
    • US20060136452A1
    • 2006-06-22
    • US11184623
    • 2005-07-19
    • Myung LimMyung ChungMyung BaeSeon Park
    • Myung LimMyung ChungMyung BaeSeon Park
    • G06F17/00
    • G06F16/84G06F16/211
    • A method for generating a database schema in order to generate an integrated view capable of obtaining desired data from data resources dispersed and stored in different formats in different locations, and an data integrating system are provided. The method includes rules for parsing the structure and contents of an database described in a specification language, generating a schema semantically corresponding to the database, and defining data items required for generating an integrated view. Also, in order to generate a global schema expressing an integrated view, part of XQuery grammar is introduced for local schemas expressing a single database, and a definition of standard expression for expressing a data view is included. Accordingly, an data integrating system can generate an integrated view for a variety of heterogeneous databases dispersed on a network by using a specification language, and post a query in real time.
    • 一种用于生成数据库模式的方法,以便产生能够从不同位置以不同格式分散和存储的数据资源获得所需数据的集成视图,以及数据集成系统。 该方法包括用于解析在规范语言中描述的数据库的结构和内容的规则,生成与数据库对应的语义模式,以及定义生成集成视图所需的数据项。 此外,为了生成表达集成视图的全局模式,引入了表示单个数据库的本地模式的XQuery语法的一部分,并且包括用于表达数据视图的标准表达式的定义。 因此,数据集成系统可以通过使用规范语言生成分散在网络上的各种异构数据库的集成视图,并实时发布查询。