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1. 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。

2. 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。

3. 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。

4. 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。

5. 发明授权

US08001413B2 Managing cluster split-brain in datacenter service site failover 有权
标题翻译：管理数据中心服务站点故障切换中的群集分裂
公开(公告)号：US08001413B2
公开(公告)日：2011-08-16
申请号：US12115536
申请日：2008-05-05
申请人： Alexander R Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
发明人： Alexander R Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
IPC分类号： G06F11/00
CPC分类号： G06F11/1482 , G06F11/2028 , G06F11/2038
摘要： A central controlling service for datacenter activation/deactivation control in a cluster deployment to assist in preventing a split-brain scenario. The central controlling service provides a central point of control in the datacenter for application servers to periodically query as to whether to go offline, online, or normal. Redundancy of the central service facilitates detection of datacenter failure by the redundant services interacting to resolve the state of control information. This control information is then used to answer the server queries. On startup from a datacenter failure, a single instance of the central service queries other redundant instance(s) to determine if the single instance is starting up from a datacenter-wide failure or from operations other than total datacenter failure. If the failure is datacenter-wide, a central service protocol assists in resolving to the single service keeping the associated datacenter servers offline; otherwise, the server queries are answered to go online.
摘要翻译：集群部署中的数据中心激活/停用控制的中央控制服务，以帮助防止裂脑情景。中央控制服务在数据中心中提供了一个中心控制点，用于应用程序服务器定期查询是否脱机，在线或正常。中央服务器的冗余有助于通过交互来解决控制信息状态的冗余服务来检测数据中心故障。然后，该控制信息用于回答服务器查询。在数据中心故障启动时，单个中央服务器实例会查询其他冗余实例，以确定单个实例是否从数据中心范围的故障或除数据中心故障之外的操作启动。如果故障是数据中心范围的，则中央服务协议有助于解决单个服务，使关联的数据中心服务器脱机; 否则，服务器查询被回答为上线。

6. 发明申请

US20090276657A1 MANAGING CLUSTER SPLIT-BRAIN IN DATACENTER SERVICE SITE FAILOVER 有权
标题翻译：在DATACENTER SERVICE SITE FAILOVER中管理集群分离器
公开(公告)号：US20090276657A1
公开(公告)日：2009-11-05
申请号：US12115536
申请日：2008-05-05
申请人： Alexander R. Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
发明人： Alexander R. Wetmore , Gregory Thiel , Ayla Kol , Rebecca Benfield
IPC分类号： G06F15/16 , G06F11/07
CPC分类号： G06F11/1482 , G06F11/2028 , G06F11/2038
摘要： A central controlling service for datacenter activation/deactivation control in a cluster deployment to assist in preventing a split-brain scenario. The central controlling service provides a central point of control in the datacenter for application servers to periodically query as to whether to go offline, online, or normal. Redundancy of the central service facilitates detection of datacenter failure by the redundant services interacting to resolve the state of control information. This control information is then used to answer the server queries. On startup from a datacenter failure, a single instance of the central service queries other redundant instance(s) to determine if the single instance is starting up from a datacenter-wide failure or from operations other than total datacenter failure. If the failure is datacenter-wide, a central service protocol assists in resolving to the single service keeping the associated datacenter servers offline; otherwise, the server queries are answered to go online.
摘要翻译：集群部署中的数据中心激活/停用控制的中央控制服务，以帮助防止裂脑情景。中央控制服务在数据中心中提供了一个中心控制点，用于应用程序服务器定期查询是否脱机，在线或正常。中央服务器的冗余有助于通过交互来解决控制信息状态的冗余服务来检测数据中心故障。然后，该控制信息用于回答服务器查询。在数据中心故障启动时，单个中央服务器实例会查询其他冗余实例，以确定单个实例是否从数据中心范围的故障或除数据中心故障之外的操作启动。如果故障是数据中心范围的，则中央服务协议有助于解决单个服务，使关联的数据中心服务器脱机; 否则，服务器查询被回答为上线。

7. 发明授权

US09146705B2 Split brain protection in computer clusters 有权
标题翻译：在计算机集群中分裂大脑保护
公开(公告)号：US09146705B2
公开(公告)日：2015-09-29
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： G06F11/00 , G06F7/00 , G06F11/20 , G06F11/14
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

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。

9. 发明申请

US20090327805A1 MINIMIZING DATA LOSS IN ASYNCHRONOUS REPLICATION SOLUTION USING DISTRIBUTED REDUNDANCY 有权
标题翻译：使用分布式冗余方式在异步复制解决方案中最小化数据丢失
公开(公告)号：US20090327805A1
公开(公告)日：2009-12-31
申请号：US12146602
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
发明人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
IPC分类号： G06F17/30 , G06F11/07
CPC分类号： G06F17/30578 , G06F11/1658 , G06F11/2097 , G06F2201/835
摘要： Architecture that reduces data loss resulting from failover in an asynchronous log shipping deployment, but leveraging mid-tier and frontend servers to fill in lost data. In an asynchronous log shipping operation, a replication component asynchronously replicates messaging data to a backend server in accordance with one or more replication operations, which can be updates to databases on the backend server. These databases can include messaging data, such as email address books, mailboxes, etc. A history component maintains a history of replication operations on a frontend server. In the event of a lossy failover, a replay component is used for replaying the replication operations from the history to the backend server.
摘要翻译：架构，减少异步日志传送部署中故障切换导致的数据丢失，但利用中间层和前端服务器填充丢失的数据。在异步日志传送操作中，复制组件根据一个或多个复制操作将消息数据异步复制到后端服务器，这些操作可以是后端服务器上数据库的更新。这些数据库可以包括邮件数据，例如电子邮件地址簿，邮箱等。历史组件在前端服务器上维护复制操作的历史记录。在有故障转移的情况下，使用重放组件来重播从历史记录到后端服务器的复制操作。

10. 发明授权

US07908514B2 Minimizing data loss in asynchronous replication solution using distributed redundancy 有权
标题翻译：使用分布式冗余减少异步复制解决方案中的数据丢失
公开(公告)号：US07908514B2
公开(公告)日：2011-03-15
申请号：US12146602
申请日：2008-06-26
申请人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
发明人： Gregory Thiel , Alexander R. Wetmore , Shawn Bracewell , Rebecca Benfield
IPC分类号： G06F11/00
CPC分类号： G06F17/30578 , G06F11/1658 , G06F11/2097 , G06F2201/835
摘要： Architecture that reduces data loss resulting from failover in an asynchronous log shipping deployment, but leveraging mid-tier and frontend servers to fill in lost data. In an asynchronous log shipping operation, a replication component asynchronously replicates messaging data to a backend server in accordance with one or more replication operations, which can be updates to databases on the backend server. These databases can include messaging data, such as email address books, mailboxes, etc. A history component maintains a history of replication operations on a frontend server. In the event of a lossy failover, a replay component is used for replaying the replication operations from the history to the backend server.
摘要翻译：架构，减少异步日志传送部署中故障切换导致的数据丢失，但利用中间层和前端服务器填充丢失的数据。在异步日志传送操作中，复制组件根据一个或多个复制操作将消息数据异步复制到后端服务器，这些操作可以是后端服务器上数据库的更新。这些数据库可以包括邮件数据，例如电子邮件地址簿，邮箱等。历史组件在前端服务器上维护复制操作的历史记录。在有故障转移的情况下，使用重放组件来重播从历史记录到后端服务器的复制操作。

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