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21. 发明授权

US06973586B2 System and method for automatic dynamic address switching 有权
标题翻译：自动动态地址切换的系统和方法
公开(公告)号：US06973586B2
公开(公告)日：2005-12-06
申请号：US10134414
申请日：2002-04-29
申请人： David B. Petersen , John A. Stanbi , Harry M. Yudenfriend
发明人： David B. Petersen , John A. Stanbi , Harry M. Yudenfriend
IPC分类号： G06F3/06 , G06F11/00 , G06F11/20 , H02H3/05
CPC分类号： G06F3/0601 , G06F11/2069 , G06F2003/0697
摘要： A method for automatic peer to peer address switching, comprising: defining a secondary device as a logical alias of a primary device and performing the following steps concurrently for the primary-secondary device pair upon a determination that address switching is desired: terminating the device pair binding, terminating all logical alias bindings to the first device except the logical alias binding of the primary device to the secondary device, preventing the primary device from receiving I/O requests, and allowing the secondary device to receive I/O requests.
摘要翻译：一种用于自动对等地址交换的方法，包括：在确定需要地址切换的情况下，将辅助设备定义为主设备的逻辑别名并且为主要设备对同时执行以下步骤：终止设备对绑定，终止所有逻辑别名绑定到第一设备，除了主设备的逻辑别名绑定到辅助设备，阻止主设备接收I / O请求，并允许辅助设备接收I / O请求。

22. 发明申请

US20130318221A1 VARIABLE CONFIGURATIONS FOR WORKLOAD DISTRIBUTION ACROSS MULTIPLE SITES 有权
标题翻译：用于多个站点的工作分配的可变配置
公开(公告)号：US20130318221A1
公开(公告)日：2013-11-28
申请号：US13477323
申请日：2012-05-22
申请人： Jaime F. Anaya , Paul M. Cadarettte , Michael G. Fitzpatrick , David B. Petersen
发明人： Jaime F. Anaya , Paul M. Cadarettte , Michael G. Fitzpatrick , David B. Petersen
IPC分类号： G06F15/173
CPC分类号： H04L47/70 , G06F9/505 , G06F11/2023 , G06F11/2035 , G06F11/2038 , G06F11/2076 , G06F11/2097 , G06F11/3409 , G06F11/3419 , G06F11/3433 , G06F17/30575 , G06F2201/81 , H04L67/1002 , H04L67/1008 , H04L67/101
摘要： Embodiments include a method, system, and computer program product for maintaining continuous availability. An embodiment of the present invention includes receiving a unit of work data. The unit of work data is distributed among the plurality of workloads using either an active/standby configuration, an active/query configuration, an active/partitioned configuration, or an active/active configuration. A primary workload is selected from a plurality of workloads to process the unit of work data based on a workload distribution rule. It is determined if the primary workload is capable of processing the unit of work data based on user configurable settings. If the primary site is capable of processing the unit of work data then the unit of work data is transmitted to the primary workload. Otherwise the unit of work data is transmitted to a secondary workload. The unit of work data is replicated between the primary workload and the secondary workload.
摘要翻译：实施例包括用于维持连续可用性的方法，系统和计算机程序产品。本发明的实施例包括接收工作单元数据。使用主动/备用配置，主动/查询配置，主动/分区配置或主动/主动配置，在多个工作负载之间分配工作数据单元。从多个工作负载中选择主工作负载，以基于工作负载分布规则来处理工作数据单元。确定主工作负载是否能够根据用户可配置的设置来处理工作数据单元。如果主站点能够处理工作单元数据，则将工作单元数据发送到主工作负载。否则工作单元数据将传输到次要工作负载。在主工作负载和辅助工作负载之间复制工作单元数据。

23. 发明申请

US20130086415A1 COMMUNICATION OF CONDITIONS AT A PRIMARY STORAGE CONTROLLER TO A HOST 有权
公开(公告)号：US20130086415A1
公开(公告)日：2013-04-04
申请号：US13249000
申请日：2011-09-29
申请人： David B. Petersen , Gail A. Spear
发明人： David B. Petersen , Gail A. Spear
IPC分类号： G06F11/20
CPC分类号： G06F11/2092 , G06F3/0617 , G06F3/0659 , G06F3/0683 , G06F11/1451 , G06F11/1458 , G06F11/2069 , G06F11/2071 , G06F11/2076 , G06F2201/84
摘要： A primary storage controller is maintained in a copy relationship with a secondary storage controller, wherein the primary and secondary storage controllers are coupled to a host that is configurable to use the secondary storage controller instead of the primary storage controller. The primary storage controller determines occurrence of at least one condition in the primary storage controller, wherein the at least one condition occurs prior to a failure of the host to perform an Input/Output (I/O) operation with respect to at least one storage volume of the primary storage controller. The primary storage controller communicates the occurrence of the at least one condition to the host, wherein in response to the communicating the host is configured to determine whether to use the secondary storage controller instead of the primary storage controller based on the occurrence of the at least one condition.

24. 发明申请

US20130007503A1 CONTINUOUS WORKLOAD AVAILABILITY BETWEEN SITES AT UNLIMITED DISTANCES 有权
标题翻译：在无限距离之间的站点之间连续工作的可用性
公开(公告)号：US20130007503A1
公开(公告)日：2013-01-03
申请号：US13173071
申请日：2011-06-30
申请人： Jaime F. Anaya , Paul M. Cadarette , Michael G. Fitzpatrick , David B. Petersen
发明人： Jaime F. Anaya , Paul M. Cadarette , Michael G. Fitzpatrick , David B. Petersen
IPC分类号： G06F11/16 , G06F17/00
CPC分类号： G06F11/2035 , G06F11/2048 , G06F11/2097 , G06F11/3409
摘要： Continuous workload availability between sites at unlimited distances, which includes receiving a unit of work data. Once the unit of work data has been received the workload that the unit of work data is directed to is determined, and a primary site of a plurality of sites to process the unit of work is chosen. If the processing of the unit of work data is successful, then one of one or more processing systems of the primary site are selected to process the unit of work data, and the unit of work data is replicated to at least one other site. The primary site is separated from each of the plurality of sites by a distance greater than a metropolitan area network (MAN) and operations occur within a customer acceptability window.
摘要翻译：不间断距离的站点之间持续的工作负载可用性，包括接收工作单元数据。一旦接收到工作单元数据，确定了工作数据单元指向的工作负载，并且选择了用于处理工作单元的多个站点的主站点。如果工作单元数据的处理成功，则选择主站点的一个或多个处理系统之一来处理工作单元数据，并将工作数据单元复制到至少一个其他站点。主站点与多个站点中的每个站点分离大于城域网（MAN）的距离，并且操作发生在客户可接受性窗口内。

25. 发明申请

US20120226877A1 MAINTAINING MIRROR AND STORAGE SYSTEM COPIES OF VOLUMES AT MULTIPLE REMOTE SITES 有权
标题翻译：在多个远程站点维护卷筒和存储系统复印件
公开(公告)号：US20120226877A1
公开(公告)日：2012-09-06
申请号：US13471231
申请日：2012-05-14
申请人： Nicolas Marc Clayton , Robert Frederic Kern , David B. Petersen , David Michael Shackelford , Gail Andrea Spear , John Glenn Thompson
发明人： Nicolas Marc Clayton , Robert Frederic Kern , David B. Petersen , David Michael Shackelford , Gail Andrea Spear , John Glenn Thompson
IPC分类号： G06F12/16
CPC分类号： G06F11/1446 , G06F3/0646 , G06F11/1448 , G06F11/1456
摘要： Provided is a method for maintaining mirror and storage system copies of volumes at multiple remote sites. A first server maintains a mirror copy relationship between a first storage system at a first site and a second storage system at a second site. The first server performs a first point-in-time copy operation from the first storage system to a first storage system copy, wherein the data for the first storage system copy is consistent as of the determined point-in-time. The first server transmits a command to a second server to create a point-in-time copy of the second storage system. The second server processes mirror data transferred from the first server as part of the mirror copy relationship to determine when to create a second point-in-time copy. The second server performs the second point-in-time copy operation.
摘要翻译：提供了一种在多个远程站点维护卷的镜像和存储系统副本的方法。第一服务器在第一站点处的第一存储系统和第二站点处的第二存储系统之间维护镜像复制关系。第一服务器执行从第一存储系统到第一存储系统副本的第一时间点复制操作，其中第一存储系统副本的数据与确定的时间点一致。第一服务器向第二服务器发送命令以创建第二存储系统的时间点副本。第二个服务器处理从第一个服务器传输的镜像数据作为镜像复制关系的一部分，以确定何时创建第二个时间点副本。第二个服务器执行第二个时间点复制操作。

26. 发明授权

US08135982B2 Parallel multiplex storage systems 失效
标题翻译：并行多路复用存储系统
公开(公告)号：US08135982B2
公开(公告)日：2012-03-13
申请号：US12729389
申请日：2010-03-23
申请人： David B. Petersen , Gail A. Spear
发明人： David B. Petersen , Gail A. Spear
IPC分类号： G06F11/00
CPC分类号： G06F11/2069
摘要： A method for controlling a system includes receiving an indication that an operation has failed in a secondary storage device, suspending data operations sent to the secondary data storage device from a primary storage device, determining a failure policy set by a user, and initiating a first policy responsive to determining that the first policy is active, the first policy including sending a status query to the secondary storage device, determining whether a response has been received from the secondary storage device, determining whether the response indicates a failure of the secondary storage device responsive to determining that the response has been received from the secondary storage device, and continuing processing tasks on the server and data operations on the primary storage device responsive to determining that the response indicates a failure of the secondary storage device.
摘要翻译：一种用于控制系统的方法包括：接收在次存储设备中操作失败的指示，暂停从主存储设备发送到辅助数据存储设备的数据操作，确定由用户设置的故障策略，以及发起第一响应于确定所述第一策略是活动的所述策略，所述第一策略包括向所述辅助存储设备发送状态查询，确定是否已经从所述辅助存储设备接收到响应，确定所述响应是否指示所述辅助存储设备的故障响应于确定已经从辅助存储设备接收到响应，以及响应于确定所述响应指示所述辅助存储设备的故障，在所述主存储设备上持续处理所述服务器任务和数据操作。

27. 发明申请

US20110239040A1 Parallel Multiplex Storage Systems 失效
标题翻译：并行多路复用存储系统
公开(公告)号：US20110239040A1
公开(公告)日：2011-09-29
申请号：US12729389
申请日：2010-03-23
申请人： David B. Petersen , Gail A. Spear
发明人： David B. Petersen , Gail A. Spear
IPC分类号： G06F11/20
CPC分类号： G06F11/2069
摘要： A method for controlling a system includes receiving an indication that an operation has failed in a secondary storage device, suspending data operations sent to the secondary data storage device from a primary storage device, determining a failure policy set by a user, and initiating a first policy responsive to determining that the first policy is active, the first policy including sending a status query to the secondary storage device, determining whether a response has been received from the secondary storage device, determining whether the response indicates a failure of the secondary storage device responsive to determining that the response has been received from the secondary storage device, and continuing processing tasks on the server and data operations on the primary storage device responsive to determining that the response indicates a failure of the secondary storage device.
摘要翻译：一种用于控制系统的方法包括：接收在次存储设备中操作失败的指示，暂停从主存储设备发送到辅助数据存储设备的数据操作，确定由用户设置的故障策略，以及发起第一响应于确定所述第一策略是活动的第一策略，所述第一策略包括向所述辅助存储设备发送状态查询，确定是否已经从所述辅助存储设备接收到响应，确定所述响应是否指示所述辅助存储设备的故障响应于确定已经从辅助存储设备接收到响应，以及响应于确定所述响应指示所述辅助存储设备的故障，在所述主存储设备上持续处理所述服务器任务和数据操作。

28. 发明申请

US20100169720A1 SYSTEM AND METHOD FOR DETERMINING RECOVERY TIME FOR INTERDEPENDENT RESOURCES IN HETEROGENEOUS COMPUTING ENVIRONMENT 失效
标题翻译：用于确定异构计算环境中相互依赖资源的恢复时间的系统和方法
公开(公告)号：US20100169720A1
公开(公告)日：2010-07-01
申请号：US12344893
申请日：2008-12-29
申请人： Thomas Lumpp , David B. Petersen , Wolfgang Schaeberle , Juergen Schneider , Isabell Schwertle
发明人： Thomas Lumpp , David B. Petersen , Wolfgang Schaeberle , Juergen Schneider , Isabell Schwertle
IPC分类号： G06F11/00
CPC分类号： G06F11/2028
摘要： A system and associated method for determining a recovery time for a resource in a heterogeneous computing environment comprising interdependent resources. A graph for the resource representing all sequence dependencies and all group relations are created. The recovery time may be a cumulative startup time or a cumulative shutdown time of the resource considering interdependencies of the resource to other resources. The recovery time for all support resources having sequence dependencies with the resource is calculated and each node representing the support resources are removed from the graph. Then the recovery time for all member resources left in the graph that have group relations with the resource is calculated per a group type of the resource. The recovery time for the resource is a sum of the recovery time of all support resources, the recovery time of all member resources, and a unit recovery time of the resource.
摘要翻译：一种用于确定包含相互依赖资源的异构计算环境中的资源的恢复时间的系统和相关联的方法。创建表示所有序列依赖关系和所有组关系的资源图。考虑资源与其他资源的相互依赖关系，恢复时间可能是资源的累积启动时间或累积关闭时间。计算与资源具有序列依赖关系的所有支持资源的恢复时间，并从图中删除表示支持资源的每个节点。然后，根据资源的组类型计算图中留下与资源具有组关系的所有成员资源的恢复时间。资源的恢复时间是所有支持资源的恢复时间，所有成员资源的恢复时间和资源的单元恢复时间之和。

29. 发明申请

US20090055689A1 SYSTEMS, METHODS, AND COMPUTER PRODUCTS FOR COORDINATED DISASTER RECOVERY 审中-公开
标题翻译：用于协调灾难恢复的系统，方法和计算机产品
公开(公告)号：US20090055689A1
公开(公告)日：2009-02-26
申请号：US11842287
申请日：2007-08-21
申请人： David B. Petersen
发明人： David B. Petersen
IPC分类号： G06F11/30
CPC分类号： G06F11/2048 , G06F11/2025
摘要： Systems, methods and computer products for coordinated disaster recovery of at least one computing cluster site are disclosed. According to exemplary embodiments, a disaster recovery system may include a computer processor and a disaster recovery process residing on the computer processor. The disaster recovery process may have instructions to monitor at least one computing cluster site, communicate monitoring events regarding the at least one computing cluster site with a second computing cluster site, generate alerts responsive to the monitoring events on the second computing cluster site regarding potential disasters, and coordinate recovery of the at least one computing cluster site onto the second computing cluster site in the event of a disaster.
摘要翻译：公开了用于至少一个计算集群站点的协调灾难恢复的系统，方法和计算机产品。根据示例性实施例，灾难恢复系统可以包括驻留在计算机处理器上的计算机处理器和灾难恢复过程。所述灾难恢复过程可以具有监视至少一个计算集群站点的指令，与第二计算集群站点传达关于所述至少一个计算集群站点的监控事件，响应于所述第二计算集群站点上的关于潜在灾难的监视事件而产生警报并且在发生灾难时将所述至少一个计算集群站点的恢复协调到所述第二计算集群站点上。

30. 发明申请

US20080178050A1 DATA BACKUP SYSTEM AND METHOD FOR SYNCHRONIZING A REPLICATION OF PERMANENT DATA AND TEMPORARY DATA IN THE EVENT OF AN OPERATIONAL ERROR 审中-公开
标题翻译：在操作错误事件中同步复制永久数据和临时数据的数据备份系统和方法
公开(公告)号：US20080178050A1
公开(公告)日：2008-07-24
申请号：US11626204
申请日：2007-01-23
申请人： Robert F. Kern , David B. Petersen , David H. Surman , Peter G. Sutton
发明人： Robert F. Kern , David B. Petersen , David H. Surman , Peter G. Sutton
IPC分类号： G06F11/07
CPC分类号： G06F11/1666 , G06F11/2056 , G06F11/2071 , G06F11/2097 , G06F2201/88
摘要： A data backup system and a method for sychronizing a replication of permanent data between primary and secondary disk subsystems and a replication of temporary data between primary and secondary computer servers in the event of an operational error are provided. The method includes detecting an operational error. The method further includes stopping replication of permanent data from the primary disk subsystem to the secondary disk subsystem at a first predetermined time, in response to the detection of the operational error. The method further includes stopping any further replication of temporary data from the primary computer server to the secondary computer server at the first predetermined time, in response to the detection of the operational error.
摘要翻译：提供了一种数据备份系统和一种在主磁盘子系统和辅助磁盘子系统之间同步复制永久数据的方法，以及在发生操作错误时在主计算机和辅助计算机服务器之间复制临时数据的方法。该方法包括检测操作错误。该方法还包括响应于操作错误的检测，在第一预定时间停止永久数据从主磁盘子系统复制到辅助磁盘子系统。该方法还包括响应于操作错误的检测，停止在第一预定时间将临时数据从主计算机服务器进一步复制到次计算机服务器。

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