FAILURE RECOVERY METHOD IN CLUSTER SYSTEM
    1.
    发明申请
    FAILURE RECOVERY METHOD IN CLUSTER SYSTEM 有权
    群集系统中的故障恢复方法

    公开(公告)号:US20090138757A1

    公开(公告)日:2009-05-28

    申请号:US12041059

    申请日:2008-03-03

    IPC分类号: G06F11/14

    摘要: There is provided a method executed in a cluster system comprising a first computer and at least one second computer that stores the data transmitted from the first computer. The method comprising the steps of: judging whether the failure-occurred processing is restarted by the first computer or the failure-occurred processing is switched over by the second computer based on the system information; receiving the stored data from the second computer and re-executing the processing in which the failure has occurred by the first computer, in the case of which it is judged that the processing in which the failure has occurred is restarted by the first computer; and executing, by the second computer, the processing in which the failure has occurred, in the case of which it is judged that the processing in which the failure has occurred is switched over by the at least one second computer.

    摘要翻译: 提供了一种在包括第一计算机和存储从第一计算机发送的数据的至少一个第二计算机的集群系统中执行的方法。 该方法包括以下步骤:基于系统信息,判断第一计算机重新启动故障发生处理或由第二计算机切换故障发生处理; 从所述第二计算机接收所述存储的数据并重新执行由所述第一计算机发生所述故障的处理,在判断已经发生所述故障的处理由所述第一计算机重新启动的情况下; 并且由所述第二计算机执行在所述至少一个第二计算机切换已经发生故障的处理的情况下发生故障的处理。

    Failure recovery method in cluster system
    2.
    发明授权
    Failure recovery method in cluster system 有权
    群集系统中的故障恢复方法

    公开(公告)号:US07886181B2

    公开(公告)日:2011-02-08

    申请号:US12041059

    申请日:2008-03-03

    IPC分类号: G06F11/00

    摘要: There is provided a method executed in a cluster system comprising a first computer and at least one second computer that stores the data transmitted from the first computer. The method comprising the steps of: judging whether the failure-occurred processing is restarted by the first computer or the failure-occurred processing is switched over by the second computer based on the system information; receiving the stored data from the second computer and re-executing the processing in which the failure has occurred by the first computer, in the case of which it is judged that the processing in which the failure has occurred is restarted by the first computer; and executing, by the second computer, the processing in which the failure has occurred, in the case of which it is judged that the processing in which the failure has occurred is switched over by the at least one second computer.

    摘要翻译: 提供了一种在包括第一计算机和存储从第一计算机发送的数据的至少一个第二计算机的集群系统中执行的方法。 该方法包括以下步骤:基于系统信息,判断第一计算机重新启动故障发生处理或由第二计算机切换故障发生处理; 从所述第二计算机接收所述存储的数据并重新执行由所述第一计算机发生所述故障的处理,在判断已经发生所述故障的处理由所述第一计算机重新启动的情况下; 并且由所述第二计算机执行在所述至少一个第二计算机切换已经发生故障的处理的情况下发生故障的处理。

    Data replication method
    3.
    发明授权
    Data replication method 有权
    数据复制方法

    公开(公告)号:US07865763B2

    公开(公告)日:2011-01-04

    申请号:US12222281

    申请日:2008-08-06

    IPC分类号: G06F11/00

    摘要: Provided is a data replication method capable of reducing the number of communication times when a processing result of an active system is replicated to a standby system. The data replication method, in which a first computer receives a first message containing a first processing request, and a plurality of second computers replicates the first message, includes the steps of: sending, by a third computer, the first message to the first computer and the second computers; sending, by each of the second computers, a message receive notification of the first message to the first computer; sending, by the first computer, after reception of the message receive notification from the second computers, the message receive notification of the first message to the third computer; and sending, by the first computer, a notification indicating that the first processing request becomes executable by the first computer to the second computers.

    摘要翻译: 提供了一种能够将活动系统的处理结果复制到备用系统时的通信次数减少的数据复制方法。 数据复制方法,其中第一计算机接收包含第一处理请求的第一消息和复制第一消息的多个第二计算机包括以下步骤:由第三计算机将第一消息发送到第一计算机 和第二台电脑; 通过所述第二计算机向所述第一计算机发送所述第一消息的消息接收通知; 由第一计算机在从第二计算机接收到消息接收通知之后,向第三计算机发送第一消息的消息接收通知; 以及由所述第一计算机发送指示所述第一处理请求能够由所述第一计算机执行到所述第二计算机的通知。

    Data replication method
    4.
    发明申请
    Data replication method 有权
    数据复制方法

    公开(公告)号:US20090240974A1

    公开(公告)日:2009-09-24

    申请号:US12222281

    申请日:2008-08-06

    IPC分类号: G06F11/20 G06F15/16

    摘要: Provided is a data replication method capable of reducing the number of communication times when a processing result of an active system is replicated to a standby system. The data replication method, in which a first computer receives a first message containing a first processing request, and a plurality of second computers replicates the first message, includes the steps of: sending, by a third computer, the first message to the first computer and the second computers; sending, by each of the second computers, a message receive notification of the first message to the first computer; sending, by the first computer, after reception of the message receive notification from the second computers, the message receive notification of the first message to the third computer; and sending, by the first computer, a notification indicating that the first processing request becomes executable by the first computer to the second computers.

    摘要翻译: 提供了一种能够将活动系统的处理结果复制到备用系统时的通信次数减少的数据复制方法。 数据复制方法,其中第一计算机接收包含第一处理请求的第一消息和复制第一消息的多个第二计算机包括以下步骤:由第三计算机将第一消息发送到第一计算机 和第二台电脑; 通过所述第二计算机向所述第一计算机发送所述第一消息的消息接收通知; 由第一计算机在从第二计算机接收到消息接收通知之后,向第三计算机发送第一消息的消息接收通知; 以及由所述第一计算机发送指示所述第一处理请求能够由所述第一计算机执行到所述第二计算机的通知。

    Data control method for duplicating data between computer systems
    5.
    发明授权
    Data control method for duplicating data between computer systems 有权
    用于在计算机系统之间复制数据的数据控制方法

    公开(公告)号:US08396830B2

    公开(公告)日:2013-03-12

    申请号:US12003271

    申请日:2007-12-21

    IPC分类号: G06F7/00 G06F17/00

    摘要: An application processing system including a database server and a storage device which is connected with a standby application processing system including a secondary database server and a secondary storage device to continue to carry out application processing in the case of a fault, disaster, etc. or for maintenance. The storage device of the application processing system issues a log disk update request to the secondary database server of the standby system to update a log disk of the standby system and thereby create a duplicate of the log disk for the DBMS of the application processing system. This allows the DBMS of the standby system to roll forward the log data in the duplicated log to update duplicated data on the secondary storage device.

    摘要翻译: 一种包括数据库服务器和存储装置的应用处理系统,其与包括次数据库服务器和辅助存储装置的备用应用处理系统连接,以在故障,灾难等情况下继续执行应用处理, 用于维护。 应用处理系统的存储设备向备用系统的辅助数据库服务器发出日志磁盘更新请求,以更新备用系统的日志磁盘,从而为应用处理系统的DBMS创建日志磁盘的副本。 这允许备用系统的DBMS在重复日志中翻转日志数据,以更新副存储设备上的重复数据。

    Method for changing configuration of servers in a shared-nothing database system
    6.
    发明授权
    Method for changing configuration of servers in a shared-nothing database system 有权
    在无共享数据库系统中更改服务器配置的方法

    公开(公告)号:US07937376B2

    公开(公告)日:2011-05-03

    申请号:US11504076

    申请日:2006-08-15

    IPC分类号: G06F7/00 G06F17/00

    CPC分类号: G06F17/30575

    摘要: Provided is a method of changing the configuration of a shared-nothing database system without shutting down the system. The configuration changing method for a shared-nothing database system includes plural database servers, a storage which provides data areas to the database servers, and a management server which has a database management system and divides a transaction to allocate pieces of the transaction to the database servers, and the configuration changing method allows no two of the database servers to access the same data area. The configuration changing method changes the configurations of the database servers by specifying which data area is to be reallocated, judging whether or not the specified data area can be reallocated, and reallocating the specified data area without shutting down the database management system when it is judged that the specified data area can be reallocated.

    摘要翻译: 提供了一种在不关闭系统的情况下更改无共享数据库系统的配置的方法。 无共享数据库系统的配置更改方法包括多个数据库服务器,向数据库服务器提供数据区域的存储器以及具有数据库管理系统并分配事务以将数据分配给数据库的管理服务器 服务器和配置更改方法允许任何两个数据库服务器访问相同的数据区域。 配置更改方法通过指定要重新分配哪个数据区域来更改数据库服务器的配置,判断是否可以重新分配指定的数据区域,并在判断数据库管理系统时重新分配指定的数据区,而不关闭数据库管理系统 可以重新分配指定的数据区域。

    Cluster system and failover method for cluster system
    7.
    发明申请
    Cluster system and failover method for cluster system 有权
    群集系统的群集系统和故障转移方法

    公开(公告)号:US20100017643A1

    公开(公告)日:2010-01-21

    申请号:US12585734

    申请日:2009-09-23

    IPC分类号: G06F11/14

    摘要: Provided is a failover method for a cluster system for realizing smooth failover of the guest OS's, even when there are many guest OS's, while reducing consumption of computer resources of a server. Smooth failover is realized by preventing competition during failover even when the number of guest OS's is increased. In a cluster configuration in which a slave/master cluster program is operated in a guest OS/host OS, the master cluster program (510) collects and transmits heartbeats of the slave cluster program, thereby realizing failure monitoring through the certain amount of heartbeats without depending on the number of guest OS's. Further, when the master cluster program monitors failures of the slave cluster program of its own computer to find a normal operation of the guest OS, the amount of communication through heartbeats is reduced by eliminating the necessity of communication to a standby system slave cluster program.

    摘要翻译: 提供了一种集群系统的故障转移方法,即使客户操作系统有很多客户操作系统也能实现客户操作系统的平滑故障切换,同时降低服务器计算机资源的消耗。 即使客户操作系统的数量增加,也可以通过防止故障切换期间的竞争来实现平滑的故障切换。 在从机/主机集群程序在客户OS /主机OS中运行的集群配置中,主集群程序(510)收集并发送从属集群程序的心跳,从而通过一定数量的心跳来实现故障监视,而没有 取决于客户操作系统的数量。 此外,当主集群程序监视其自己的计算机的从属集群程序的故障以查找客户OS的正常操作时,通过消除与备用系统从属集群程序的通信的必要性来减少通过心跳的通信量。

    Cluster system wherein failover reset signals are sent from nodes according to their priority
    8.
    发明授权
    Cluster system wherein failover reset signals are sent from nodes according to their priority 有权
    集群系统,其中故障切换重置信号根据其优先级从节点发送

    公开(公告)号:US07418627B2

    公开(公告)日:2008-08-26

    申请号:US11065352

    申请日:2005-02-25

    申请人: Tsunehiko Baba

    发明人: Tsunehiko Baba

    IPC分类号: G06F11/00

    摘要: A high availability cluster computer system can realize exclusive control of a resource shared between computers and effect failover by resetting a currently-active system computer in case a malfunction occurs in the currently-active system computer. In case a malfunction occurs in a certain system in a cluster, another system in the cluster which has detected the malfunction issues a reset based on a priority to realize failover, in which a standby system takes over the processing of the malfunctioning system when the malfunctioning system is stopped.

    摘要翻译: 高可用性集群计算机系统可以实现对计算机之间共享资源的独占控制,并通过在当前活动的系统计算机中发生故障的情况下重置当前活动的系统计算机来实现故障切换。 如果集群中的某个系统出现故障,则检测到故障的集群中的另一个系统会根据优先级进行重置以实现故障切换,其中备用系统在发生故障时接管故障系统的处理 系统停止

    Degraded operation technique for error in shared nothing database management system
    9.
    发明申请
    Degraded operation technique for error in shared nothing database management system 审中-公开
    数据库管理系统中的错误操作技术降级

    公开(公告)号:US20070130220A1

    公开(公告)日:2007-06-07

    申请号:US11347202

    申请日:2006-02-06

    IPC分类号: G06F17/30

    摘要: To realize a degraded operation for equalizing loads on servers to prevent performance from being degraded in a server system having a cluster configuration in which a node in which an error occurs is excluded. The server system includes a plurality of DB servers for dividing a transaction of a database processing for execution, a storage system including a preset data area and a preset log area that are accessed by the server, and a management server for managing the transaction to be allocated to the plurality of DB servers. A data area and a log area used by the DB server with the error among the plurality of DB servers are designated, and the data area accessed by the DB server with the error is recovered in the log area accessed by the server with the error.

    摘要翻译: 为了实现用于均衡服务器上的负载的降级操作,以防止在具有其中发生错误的节点的集群配置的服务器系统中性能下降。 服务器系统包括用于划分用于执行的数据库处理的事务的多个DB服务器,包括由服务器访问的预设数据区域和预设日志区域的存储系统,以及用于管理该事务的管理服务器 分配给多个DB服务器。 指定DB服务器在多个DB服务器之间出现错误的数据区和日志区,并且由具有错误的服务器访问的日志区中恢复具有错误的DB服务器访问的数据区。

    Failover method in a redundant computer system with storage devices
    10.
    发明申请
    Failover method in a redundant computer system with storage devices 有权
    具有存储设备的冗余计算机系统中的故障切换方法

    公开(公告)号:US20050050392A1

    公开(公告)日:2005-03-03

    申请号:US10834979

    申请日:2004-04-30

    IPC分类号: G06F11/20 G06F11/00 G06F12/00

    摘要: A high availability database system, subject to a failure causing data corruption in the active server system, may recover valid data prior to the corruption, and use the protected and recovered data to effect a failover. At the time T1 when a stand-by computer system detects the occurrence of a failure, a pair split is done to the data area to protect the data area time T0, just before the occurrence of the failure, and another pair split is done to the log area at the time, where the log area is corrupted or a time T3, where the failover is to take effect without corrupting data, to protect the log area containing data at a given time between time TO and time T3. By using the data and log areas thus protected, the stand-by computer system may take over valid data and log areas of the given time to perform a failover.

    摘要翻译: 高可用性数据库系统受到在活动服务器系统中导致数据损坏的故障的影响,可能会在损坏之前恢复有效数据,并使用受保护和恢复的数据实现故障切换。 在备用计算机系统检测到故障发生的时刻T1,在数据区域进行对分割,以在故障发生之前保护数据区域时间T0,并且另一对分割完成 日志区域损坏的日志区域,或时间T3,故障转移将在不破坏数据的情况下生效,以保护在时间T0到时间T3之间的给定时间内包含数据的日志区域。 通过使用受保护的数据和日志区域,备用计算机系统可以接管给定时间的有效数据和日志区域以执行故障切换。