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1. 发明授权

US08903774B2 Techniques for leveraging replication to provide rolling point in time backup with simplified restoration through distributed transactional re-creation 有权
标题翻译：利用复制技术提供滚动点的时间备份，并通过分布式事务重新创建进行简化恢复
公开(公告)号：US08903774B2
公开(公告)日：2014-12-02
申请号：US13425876
申请日：2012-03-21
申请人： Shuab Khan , Peter Byrne , Yogesh Bansal , Gregory Thiel , Ross Smith, IV
发明人： Shuab Khan , Peter Byrne , Yogesh Bansal , Gregory Thiel , Ross Smith, IV
IPC分类号： G06F17/30 , G06F11/14
CPC分类号： G06F17/30368 , G06F11/1461 , G06F11/1471 , G06F11/2094
摘要： Techniques to leverage replication to provide rolling point in time backup are described. Some embodiments are directed to techniques to provide rolling point in time backup with simplified restoration through distributed transactional re-creation. In one embodiment, for example, a technique may comprise creating a plurality of availability copies of a primary set of data; designating at least one of the plurality of availability copies as a backup copy; creating a log file that indicates changes to the primary set of data; updating the plurality of availability copies from the log file in near real time, without updating the backup copy; and restoring at least one of: the primary set of data and an availability copy using the backup copy and content resubmitted from a content contributor when an error occurs in at least one of: the primary set of data and an availability copy. Other embodiments are described and claimed.
摘要翻译：描述了利用复制提供滚动点的时间备份的技术。一些实施例涉及通过分布式事务再创建简化恢复来提供时间备份中的滚动点的技术。在一个实施例中，例如，技术可以包括创建主要数据集合的多个可用性副本; 将所述多个可用性副本中的至少一个指定为备份副本; 创建指示对主要数据集进行更改的日志文件; 从日志文件中实时更新多个可用性副本，而无需更新备份副本; 以及至少一个：当所述主要数据集和可用性副本中的至少一个发生错误时，使用所述备份副本和从所述内容提供者重新提交的内容来恢复所述主要数据集和可用性副本。描述和要求保护其他实施例。

2. 发明申请

US20090327519A1 ADDING INDIVIDUAL DATABASE FAILOVER/SWITCHOVER TO AN EXISTING STORAGE COMPONENT WITH LIMITED IMPACT 有权
标题翻译：将个人数据库加密/切换到具有有限冲击的现有存储组件
公开(公告)号：US20090327519A1
公开(公告)日：2009-12-31
申请号：US12146518
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F15/173
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

3. 发明申请

US20090319525A1 LOST WRITE PROTECTION VIA STREAM-BASED REPLICATION 审中-公开
标题翻译：通过基于流行的复制丢失写保护
公开(公告)号：US20090319525A1
公开(公告)日：2009-12-24
申请号：US12144613
申请日：2008-06-23
申请人： Gregory Thiel , Andrew E. Goodsell
发明人： Gregory Thiel , Andrew E. Goodsell
IPC分类号： G06F7/02
CPC分类号： G06F11/0751 , G06F11/0727
摘要： Architecture for detecting lost writes using timestamps. During a replication process, lost writes in data replicated from a stream can be detected by noting discrepancies between the timestamps of data in the replica and timestamps associated with the corresponding data from the source in original data store. A lost write either in the original data store or in the replica data store can be inferred by comparing these timestamps with the timestamps in a number of other replica data stores. Additionally, check entries can be added to the replicas by the original data store to allow expanded comparison between recently modified data and the source data in the original data store. The check entries can be added to the replication journal after a time delay, thereby increasing effectiveness of the check by decreasing the likelihood that caching in the hardware will defeat the test.
摘要翻译：用于使用时间戳检测丢失的写入的架构。在复制过程中，可以通过记录副本中的数据的时间戳和与来自原始数据存储中的源的相应数据相关联的时间戳之间的差异来检测从流复制的数据中的丢失写入。可以通过将这些时间戳与许多其他副本数据存储中的时间戳进行比较来推断在原始数据存储器中或复制数据存储器中的丢失写入。此外，检查条目可以由原始数据存储添加到副本，以允许最近修改的数据与原始数据存储中的源数据之间的扩展比较。检查条目可以在延迟之后添加到复制日志中，从而通过减少硬件中缓存失败的可能性来提高检查的有效性。

4. 发明申请

US20070255822A1 Exploiting service heartbeats to monitor file share 有权
标题翻译：利用服务心跳来监控文件共享
公开(公告)号：US20070255822A1
公开(公告)日：2007-11-01
申请号：US11415328
申请日：2006-05-01
申请人： Gregory Thiel , Rebecca Anderson , Thomas Miller , Martin Chisholm
发明人： Gregory Thiel , Rebecca Anderson , Thomas Miller , Martin Chisholm
IPC分类号： G06F15/173
CPC分类号： H04L67/06 , H04L41/0668 , H04L43/0817 , H04L69/40
摘要： Detecting the failure of file transfers via a network copy service from a source computer to a destination computer via a network monitoring service. If the network monitoring service determines that the source computer is no longer available, the destination computer initiates a second file transfer request via the network copy service from a second source of the file.
摘要翻译：通过网络复制服务通过网络监控服务检测从源计算机到目标计算机的文件传输失败。如果网络监视服务确定源计算机不再可用，则目的地计算机通过网络复制服务从文件的第二来源发起第二文件传输请求。

5. 发明授权

US08924589B2 Adding individual database failover/switchover to an existing storage component with limited impact 有权
标题翻译：将单个数据库故障转移/切换添加到现有存储组件，影响有限
公开(公告)号：US08924589B2
公开(公告)日：2014-12-30
申请号：US13606852
申请日：2012-09-07
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F15/173 , H04L12/58 , G06Q10/10 , G06F17/30 , H04L29/14 , H04L29/08 , G06F11/20
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

6. 发明申请

US20130332770A1 ACTIVE/PASSIVE DATABASE MANAGEMENT ACROSS CLUSTERS 有权
标题翻译：主动/被动数据库管理
公开(公告)号：US20130332770A1
公开(公告)日：2013-12-12
申请号：US13491633
申请日：2012-06-08
申请人： Gregory Thiel , Yogesh Bansal
发明人： Gregory Thiel , Yogesh Bansal
IPC分类号： G06F12/16 , G06F17/30 , G06F11/14
CPC分类号： G06F17/30575 , G06F11/1662 , G06F11/2035 , G06F11/2094
摘要： A primary active manager can manage a first copy of a database in a first computer system cluster according to a set of management rules that provide for an active copy and one or more passive copies of the database at a given time. The primary active manager can also manage a second copy of the database in a second computer system cluster according to the rules. The rules can allow the first copy of the database or the second copy of the database to be the active copy if one or more criterion in the rules is met for that active copy. The first copy can be designated as the active copy and the second copy can be designated as a passive copy. A failure of the first copy can be detected, and in response, the second copy can be automatically designated as the active copy.
摘要翻译：主要活动管理器可以根据在给定时间提供活动副本和数据库的一个或多个被动副本的一组管理规则来管理第一计算机系统集群中的数据库的第一副本。主要的主管理器还可以根据规则在第二计算机系统集群中管理数据库的第二副本。如果满足该活动副本的规则中的一个或多个标准，则规则可以允许数据库的第一个副本或数据库的第二个副本为活动副本。第一个副本可以指定为活动副本，第二个副本可以指定为被动副本。可以检测到第一副本的故障，作为响应，可以将第二副本自动指定为活动副本。

7. 发明申请

US20130268495A1 SPLIT BRAIN PROTECTION IN COMPUTER CLUSTERS 有权
标题翻译：计算机集群中的分离脑保护
公开(公告)号：US20130268495A1
公开(公告)日：2013-10-10
申请号：US13441922
申请日：2012-04-09
申请人： Gregory Thiel , Manoharan Kuppusamy , Yogesh Bansal
发明人： Gregory Thiel , Manoharan Kuppusamy , Yogesh Bansal
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F7/00 , G06F11/004 , G06F11/1425 , G06F11/1482 , G06F11/20
摘要： A computer cluster can be divided into a plurality of failure scopes and a voting constraint can be enforced. The voting constraint can allow a portion of the cluster to provide the service if a majority of health votes from cluster members is obtained by that portion. A loss of connectivity between a first failure scope, which has a majority of cluster members in the cluster, and one or more other failure scopes in the cluster can be detected. The loss of connectivity can be such that the first failure scope does not have connectivity to a member in any other failure scope in the cluster. In response to detecting the loss of connectivity, a split brain situation in the cluster can be automatically protected against by preventing the first failure scope from providing the service.
摘要翻译：计算机集群可以分为多个故障范围，并且可以执行投票约束。如果通过该部分获得集群成员的大多数健康投票，投票约束可以允许集群的一部分提供服务。可以检测到具有集群中大多数集群成员的第一个故障范围与集群中的一个或多个其他故障范围之间的连接丢失。连接的丢失可能使得第一个故障范围与集群中任何其他故障范围内的成员没有连接。响应于检测到连通性的损失，可以通过防止第一个故障范围提供服务来自动保护群集中的分裂大脑情况。

8. 发明申请

US20130198141A1 TECHNIQUES FOR LEVERAGING REPLICATION TO PROVIDE ROLLING POINT IN TIME BACKUP WITH SIMPLIFIED RESTORATION THROUGH DISTRIBUTED TRANSACTIONAL RE-CREATION 有权
标题翻译：用于通过分布式交易重新进行简化恢复的时间备份来提取回滚点的技术
公开(公告)号：US20130198141A1
公开(公告)日：2013-08-01
申请号：US13425876
申请日：2012-03-21
申请人： Shuab Khan , Peter Byrne , Yogesh Bansal , Gregory Thiel , Ross Smith, IV
发明人： Shuab Khan , Peter Byrne , Yogesh Bansal , Gregory Thiel , Ross Smith, IV
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30368 , G06F11/1461 , G06F11/1471 , G06F11/2094
摘要： Techniques to leverage replication to provide rolling point in time backup are described. Some embodiments are directed to techniques to provide rolling point in time backup with simplified restoration through distributed transactional re-creation. In one embodiment, for example, a technique may comprise creating a plurality of availability copies of a primary set of data; designating at least one of the plurality of availability copies as a backup copy; creating a log file that indicates changes to the primary set of data; updating the plurality of availability copies from the log file in near real time, without updating the backup copy; and restoring at least one of: the primary set of data and an availability copy using the backup copy and content resubmitted from a content contributor when an error occurs in at least one of: the primary set of data and an availability copy. Other embodiments are described and claimed.
摘要翻译：描述了利用复制提供滚动点的时间备份的技术。一些实施例涉及通过分布式事务再创建简化恢复来提供时间备份中的滚动点的技术。在一个实施例中，例如，技术可以包括创建主要数据集合的多个可用性副本; 将所述多个可用性副本中的至少一个指定为备份副本; 创建指示对主要数据集进行更改的日志文件; 从日志文件中实时更新多个可用性副本，而无需更新备份副本; 以及至少一个：当所述主要数据集和可用性副本中的至少一个发生错误时，使用所述备份副本和从所述内容提供者重新提交的内容来恢复所述主要数据集和可用性副本。描述和要求保护其他实施例。

9. 发明申请

US20120331336A1 ADDING INDIVIDUAL DATABASE FAILOVER/SWITCHOVER TO AN EXISTING STORAGE COMPONENT WITH LIMITED IMPACT 有权
标题翻译：将个人数据库加密/切换到具有有限冲击的现有存储组件
公开(公告)号：US20120331336A1
公开(公告)日：2012-12-27
申请号：US13606852
申请日：2012-09-07
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F11/20
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

10. 发明授权

US08275907B2 Adding individual database failover/switchover to an existing storage component with limited impact 有权
标题翻译：将单个数据库故障转移/切换添加到现有存储组件，影响有限
公开(公告)号：US08275907B2
公开(公告)日：2012-09-25
申请号：US12146518
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
发明人： Gregory Thiel , Alexander R. Wetmore , Ayla Kol , Rebecca Benfield , James Kleewein , Naresh Sundaram , Yogesh Bansal , Mark Wistrom , Manoharan Kuppusamy
IPC分类号： G06F15/16
CPC分类号： H04L12/589 , G06F11/2025 , G06F11/2038 , G06F11/2041 , G06F17/30 , G06Q10/107 , H04L51/36 , H04L67/025 , H04L67/1095 , H04L67/2814 , H04L69/40
摘要： High availability architecture that employs a mid-tier proxy server to route client communications to active data store instances in response to failover and switchover. The proxy server includes an active manager client that interfaces to an active manager in each of the backend servers. State information and configuration information are maintained separately and according to semantics consistent with needs of corresponding data, the configuration information changing less frequently and more available, the state information changing more frequently and less available. The active manager indicates to the proxy server which of the data storage instances is the currently the active instance. In the event that the currently active instance is inactive, the proxy server selects a different backend server that currently hosts the active data store instance. Client communications are then routed to the different backend server with minimal or no interruption to the client.
摘要翻译：高可用性架构，采用中间层代理服务器将客户端通信路由到活动数据存储实例，以响应故障转移和切换。代理服务器包括与每个后端服务器中的活动管理器相连接的活动管理器客户端。状态信息和配置信息分开维护，根据与对应数据需求一致的语义，配置信息变化频率更低，可用性更高，状态信息变化越来越少，可用性越来越低。活动管理器向代理服务器指示哪个数据存储实例是当前活动实例。如果当前活动的实例处于非活动状态，则代理服务器将选择当前托管活动数据存储实例的其他后端服务器。然后客户端通信路由到不同的后端服务器，客户端的中断最小或不会中断。

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