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1. 发明授权

US08327028B1 Method and apparatus for providing time synchronization in a data protection system 有权
标题翻译：用于在数据保护系统中提供时间同步的方法和装置
公开(公告)号：US08327028B1
公开(公告)日：2012-12-04
申请号：US12235295
申请日：2008-09-22
申请人： Dharmesh Shah , Gopal Sharma , Grizel Lopez , Abhay Kumar Singh , Taher Vohra , Srikant Sharma
发明人： Dharmesh Shah , Gopal Sharma , Grizel Lopez , Abhay Kumar Singh , Taher Vohra , Srikant Sharma
IPC分类号： G06F15/16
CPC分类号： H04L69/28 , G06F11/1464 , G06F11/1471 , G06F21/645 , G06F2201/835 , H04L69/40
摘要： A method and apparatus for synchronizing time within a data protection system is described. In one embodiment, the method includes processing input/output activity information associated with at least one client computer, wherein the input/output activity information comprises at least one local client timestamp, determining at least one server timestamp for the at least one local client timestamp and modifying the input/output activity information with the at least one server timestamp.
摘要翻译：描述用于在数据保护系统内同步时间的方法和装置。在一个实施例中，该方法包括处理与至少一个客户端计算机相关联的输入/输出活动信息，其中输入/输出活动信息包括至少一个本地客户端时间戳，确定至少一个本地客户端时间戳的至少一个服务器时间戳以及使用所述至少一个服务器时间戳修改所述输入/输出活动信息。

2. 发明授权

US08555009B1 Method and apparatus for enabling and managing application input/output activity while restoring a data store 有权
标题翻译：用于在还原数据存储时启用和管理应用程序输入/输出活动的方法和装置
公开(公告)号：US08555009B1
公开(公告)日：2013-10-08
申请号：US12533764
申请日：2009-07-31
申请人： Sameer Majahan , Robert W. Perry , Srikant Sharma , Taher Vohra
发明人： Sameer Majahan , Robert W. Perry , Srikant Sharma , Taher Vohra
IPC分类号： G06F12/00
CPC分类号： G06F11/1469 , G06F11/1446 , G06F11/1471 , G06F2201/84
摘要： A method and apparatus for enabling and managing application input/output activity in memory to restore a data store using one or more processors is disclosed. In one embodiments, the method includes processing a restoration request for a data store, wherein the data store is mirrored by another data store, controlling communication of application input/output activity associated with at least one host computer and directed to at least one of the data store or the other data store, restoring various portions of the data store, in accordance with the restoration request, using at least one of at least one prior point in time image or the other data store and servicing the application input/output activity using the data store.
摘要翻译：公开了一种用于使能和管理存储器中的应用输入/输出活动以使用一个或多个处理器恢复数据存储的方法和装置。在一个实施例中，该方法包括处理对数据存储器的恢复请求，其中数据存储由另一个数据存储器镜像，控制与至少一个主机计算机相关联的应用输入/输出活动的通信，并指向至少一个数据存储器或其他数据存储器，使用至少一个先前时间点图像或其他数据存储器中的至少一个，根据恢复请求恢复数据存储器的各个部分，并使用数据存储。

3. 发明授权

US08370306B1 Systems and methods for recovering from continuous-data-protection blackouts 有权
标题翻译：从连续数据保护停电恢复的系统和方法
公开(公告)号：US08370306B1
公开(公告)日：2013-02-05
申请号：US12618288
申请日：2009-11-13
申请人： Taher Vohra
发明人： Taher Vohra
IPC分类号： G06F17/00
CPC分类号： G06F11/1471
摘要： A computer-implemented method for recovering from continuous-data-protection blackouts may include identifying a continuous data protection system configured to copy each change made to a set of data. The computer-implemented method may also include identifying a set of changes made to the set of data but missed by the continuous data protection system. The computer-implemented method may further include identifying an alternate change-tracking system that tracks changes made to the set of data. The computer-implemented method may additionally include updating the continuous data protection system with the missed set of changes as tracked by the alternate change-tracking system. Various other methods, systems, and computer-readable media are also disclosed.
摘要翻译：用于从连续数据保护中断恢复的计算机实现的方法可以包括识别被配置为将对数据集合进行的每个改变复制的连续数据保护系统。计算机实现的方法还可以包括识别对该组数据而进行的一组改变，但是由连续数据保护系统错过。计算机实现的方法还可以包括识别跟踪对该组数据所做的更改的替代的改变跟踪系统。计算机实现的方法可以另外包括用替代的变化跟踪系统跟踪的丢失的变化集来更新连续的数据保护系统。还公开了各种其它方法，系统和计算机可读介质。

4. 发明授权

US08281071B1 Systems and methods for managing cluster node connectivity information 有权
标题翻译：管理集群节点连接信息的系统和方法
公开(公告)号：US08281071B1
公开(公告)日：2012-10-02
申请号：US12714434
申请日：2010-02-26
申请人： Taher Vohra , Abhay Singh
发明人： Taher Vohra , Abhay Singh
IPC分类号： G06F12/16
CPC分类号： H04L67/1097 , G06F3/067 , H04L43/04 , H04L43/0811
摘要： A computer-implemented method for managing cluster node connectivity information. The method may include maintaining a set of cluster nodes of a clustered application. The method may also include, for each node in a set of cluster nodes, determining a connectivity state of the cluster node and transmitting, from the cluster node to non-volatile Random Access Memory (“RAM”) of a cluster disk, connectivity information that indicates the connectivity state of the cluster node. The method may further include accessing, from a remote system, the non-volatile RAM of the cluster disk to retrieve connectivity information of one or more cluster nodes from the set of cluster nodes. The method may include using the connectivity information to inform the remote system of the connectivity state of the one or more cluster nodes. Various other methods, systems, and computer-readable media are also disclosed.
摘要翻译：用于管理集群节点连接信息的计算机实现的方法。该方法可以包括维护集群应用的一组集群节点。该方法还可以包括对于一组集群节点中的每个节点来确定集群节点的连接状态，并从集群节点向群集磁盘的非易失性随机存取存储器（RAM）发送指示集群节点的连接状态。该方法还可以包括从远程系统访问集群磁盘的非易失性RAM以从集群节点集合检索一个或多个集群节点的连接信息。该方法可以包括使用连通性信息来向远程系统通知一个或多个集群节点的连接状态。还公开了各种其它方法，系统和计算机可读介质。

5. 发明授权

US08074101B1 Systems and methods for handling path failures to active-passive storage arrays 有权
标题翻译：用于处理主动 - 被动存储阵列的路径故障的系统和方法
公开(公告)号：US08074101B1
公开(公告)日：2011-12-06
申请号：US12608178
申请日：2009-10-29
申请人： Taher Vohra , Abhay Singh
发明人： Taher Vohra , Abhay Singh
IPC分类号： G06F11/00
CPC分类号： G06F11/1456 , G06F11/004 , G06F11/0745 , G06F11/0793
摘要： A computer-implemented method for handling path failures to active-passive storage arrays may include identifying a host system with multiple I/O paths to an active-passive storage array. The computer-implemented method may also include identifying a backup system operating for the host system, the backup system having multiple I/O paths to the active-passive storage array. The computer-implemented method may also include disabling at least one secondary path from the backup system to the active-passive storage array. The computer-implemented method may further include detecting a path failure. The computer-implemented method may additionally include reconfiguring the backup system to access the active-passive storage array through the host system. Various other methods, systems, and computer-readable media are also disclosed.
摘要翻译：用于处理主动 - 被动存储阵列的路径故障的计算机实现的方法可以包括识别具有到主动 - 被动存储阵列的多个I / O路径的主机系统。计算机实现的方法还可以包括识别为主机系统操作的备份系统，该备份系统具有到主动 - 被动存储阵列的多个I / O路径。计算机实现的方法还可以包括禁用从备用系统到主动 - 被动存储阵列的至少一个辅助路径。计算机实现的方法还可以包括检测路径故障。计算机实现的方法还可以包括重新配置备份系统以通过主机系统访问主动 - 被动存储阵列。还公开了各种其它方法，系统和计算机可读介质。

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