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1.发明申请SYSTEM AND METHOD FOR HANDLING MULTI-NODE FAILURES IN A DISASTER RECOVERY CLUSTER 审中-公开用于处理灾难恢复集群中的多节点故障的系统和方法
公开(公告)号：WO2016048874A2
公开(公告)日：2016-03-31
申请号：PCT/US2015/051179
申请日：2015-09-21
Applicant: NETAPP, INC.
Inventor： RAMASUBRAMANIAM, Vaiapuri , KADAYAM, Harihara , SARFARE, Parag , CHO, Yong Eun , PATEL, Chaitanya , KEREMANE, Hrishikesh , DESHMUKH, Prachi
IPC: G06F11/20
CPC classification number: G06F11/2033 , G06F11/2028 , G06F11/2041 , G06F11/2046 , G06F2201/805
Abstract: A system and method for handling multi-node failures in a disaster recovery cluster is provided. In the event of an error condition, a switchover operation occurs from the failed nodes to one or more surviving nodes. Data stored in non-volatile random access memory is recovered by the surviving nodes to bring storage objects, e.g., disks, aggregates and/or volumes into a consistent state.
Abstract translation: 提供了一种用于处理灾难恢复群集中的多节点故障的系统和方法。 在发生错误情况时，从发生故障的节点到一个或多个幸存节点发生切换操作。 存储在非易失性随机存取存储器中的数据由幸存的节点恢复，以使存储对象（例如磁盘，聚合体和/或卷）进入一致状态。
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Patent Agency Ranking2.发明申请
公开(公告)号：WO2014026025A1
公开(公告)日：2014-02-13
申请号：PCT/US2013/054180
申请日：2013-08-08
Applicant: NETAPP, INC.
Inventor： COATNEY, Susan , BOLT, Thomas B. , LAMBERT, Laurent , RAMASUBRAMANIAM, Vaiapuri , PATEL, Chaitanya , REDDY, Sreelatha , KEREMANE, Hrishikesh , KADAYAM, Harihara
CPC classification number: G06F11/2023 , G06F11/20 , G06F11/2058 , G06F11/2092 , G06F11/2097 , G06F12/0802 , G06F12/0866 , G06F2212/286
Abstract: Synchronous local and cross-site switchover and switchback operations of a node in a disaster recovery (DR) group are described. In one embodiment, during switchover, a takeover node receives a failover request and responsively identifies a first partner node in a first cluster and a second partner node in a second cluster. The first partner node and the takeover node form a first high-availability (HA) group and the second partner node and a third partner node in the second cluster form a second HA group. The first and second HA groups form the DR group and share a storage fabric. The takeover node synchronously restores client access requests associated with a failed partner node at the takeover node.
Abstract translation: 描述灾难恢复（DR）组中节点的同步本地和跨站点切换和切换操作。 在一个实施例中，在切换期间，接管节点接收故障转移请求并且响应地识别第一集群中的第一伙伴节点和第二集群中的第二伙伴节点。 第一伙伴节点和接管节点形成第一高可用性（HA）组，第二伙伴节点和第二集群中的第三伙伴节点形成第二HA组。 第一和第二HA组形成DR组并共享存储结构。 接管节点同步地恢复与接管节点处的失败伙伴节点相关联的客户端访问请求。
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3.发明公开
公开(公告)号：EP2883147A1
公开(公告)日：2015-06-17
申请号：EP13827907.0
申请日：2013-08-08
Applicant: NetApp, Inc.
Inventor： COATNEY, Susan , BOLT, Thomas B. , LAMBERT, Laurent , RAMASUBRAMANIAM, Vaiapuri , PATEL, Chaitanya , REDDY, Sreelatha , KEREMANE, Hrishikesh , KADAYAM, Harihara
CPC classification number: G06F11/2023 , G06F11/20 , G06F11/2058 , G06F11/2092 , G06F11/2097 , G06F12/0802 , G06F12/0866 , G06F2212/286
Abstract: Synchronous local and cross-site switchover and switchback operations of a node in a disaster recovery (DR) group are described. In one embodiment, during switchover, a takeover node receives a failover request and responsively identifies a first partner node in a first cluster and a second partner node in a second cluster. The first partner node and the takeover node form a first high-availability (HA) group and the second partner node and a third partner node in the second cluster form a second HA group. The first and second HA groups form the DR group and share a storage fabric. The takeover node synchronously restores client access requests associated with a failed partner node at the takeover node.
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4.发明申请SYSTEM AND METHOD FOR AVOIDING OBJECT IDENTIFIER COLLISIONS IN A PEERED CLUSTER ENVIRONMENT 审中-公开避免对等体集群环境中的对象标识符冲突的系统和方法
公开(公告)号：WO2016048864A1
公开(公告)日：2016-03-31
申请号：PCT/US2015/051148
申请日：2015-09-21
Applicant: NETAPP, INC.
Inventor： CHO, Yong, Eun , JAISWAL, Anuja , VULLY, Vani , DUNN, Andrew , PATEL, Chaitanya , COATNEY, Susan, M.
IPC: G06F3/06
CPC classification number: G06F17/30598 , G06F3/0614 , G06F3/0631 , G06F3/067 , G06F17/30312
Abstract: A system and method for avoiding object identifier collisions in a cluster environment is provided. Upon creation of the cluster, volume location databases negotiate ranges for data set identifiers (DSIDs) between a first site and a second site of the cluster. Any pre-existing objects are remapped into an object identifier range associated with the particular site hosting the object.
Abstract translation: 提供了一种用于避免集群环境中的对象标识符冲突的系统和方法。 在创建集群后，卷位置数据库协商集群的第一站点和第二站点之间的数据集标识符（DSID）的范围。 任何预先存在的对象被重新映射到与托管对象的特定站点相关联的对象标识符范围内。
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5.发明公开SYSTEM AND METHOD FOR HANDLING MULTI-NODE FAILURES IN A DISASTER RECOVERY CLUSTER 审中-公开用于处理灾难恢复集群中的多节点故障的系统和方法
公开(公告)号：EP3198444A2
公开(公告)日：2017-08-02
申请号：EP15778436.4
申请日：2015-09-21
Applicant: NetApp, Inc.
Inventor： RAMASUBRAMANIAM, Vaiapuri , KADAYAM, Harihara , SARFARE, Parag , CHO, Yong Eun , PATEL, Chaitanya , KEREMANE, Hrishikesh , DESHMUKH, Prachi
IPC: G06F11/20
CPC classification number: G06F11/2033 , G06F11/2028 , G06F11/2041 , G06F11/2046 , G06F2201/805
Abstract: A system and method for handling multi-node failures in a disaster recovery cluster is provided. In the event of an error condition, a switchover operation occurs from the failed nodes to one or more surviving nodes. Data stored in non-volatile random access memory is recovered by the surviving nodes to bring storage objects, e.g., disks, aggregates and/or volumes into a consistent state.
Abstract translation: 提供了一种用于处理灾难恢复群集中的多节点故障的系统和方法。 在发生错误情况时，从发生故障的节点到一个或多个幸存节点发生切换操作。 存储在非易失性随机存取存储器中的数据由幸存的节点恢复，以使存储对象（例如磁盘，聚合体和/或卷）进入一致状态。
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6.发明授权
公开(公告)号：EP2883147B1
公开(公告)日：2017-06-28
申请号：EP13827907.0
申请日：2013-08-08
Applicant: NetApp, Inc.
Inventor： COATNEY, Susan , BOLT, Thomas B. , LAMBERT, Laurent , RAMASUBRAMANIAM, Vaiapuri , PATEL, Chaitanya , REDDY, Sreelatha , KEREMANE, Hrishikesh , KADAYAM, Harihara
CPC classification number: G06F11/2023 , G06F11/20 , G06F11/2058 , G06F11/2092 , G06F11/2097 , G06F12/0802 , G06F12/0866 , G06F2212/286
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