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    Propagation of unique device names in a cluster system
    1.
    发明授权
    Propagation of unique device names in a cluster system 有权
    在集群系统中传播唯一的设备名称

    公开(公告)号：US09069571B2

    公开(公告)日：2015-06-30

    申请号：US12957980

    申请日：2010-12-01

    申请人： Eric P. Fried ,  Rajeev Mishra ,  Lance W. Russell ,  Chris A. Schwendiman ,  Stephen M. Tee ,  Stephen J. Tovcimak

    发明人： Eric P. Fried ,  Rajeev Mishra ,  Lance W. Russell ,  Chris A. Schwendiman ,  Stephen M. Tee ,  Stephen J. Tovcimak

    IPC分类号： G06F17/30 ,  G06F9/44

    CPC分类号： G06F9/4411 ,  G06F17/30109 ,  G06F17/30197

    摘要： A unique device name is assigned to each of a plurality of shared storage devices in a cluster configuration database defining membership of nodes in a cluster. A particular node among the nodes defined by the cluster configuration database as a member of the cluster searches the cluster configuration database for a device identifier matching a device identifier of a shared storage device hosted by the particular node. In response to finding a matching device identifier in the cluster configuration database, the particular node renames, in a local configuration maintained at the particular node, a storage device associated with the matching device identifier with the unique name assigned to that storage device in the cluster configuration database.

    摘要翻译： 在定义集群中节点的成员资格的集群配置数据库中的每一个共享存储设备中分配唯一的设备名称。 由集群配置数据库定义的作为集群成员的节点中的特定节点在集群配置数据库中搜索与特定节点托管的共享存储设备的设备标识符匹配的设备标识符。 响应于在集群配置数据库中找到匹配的设备标识符，特定节点在维护在特定节点的本地配置中重命名与匹配设备标识符相关联的存储设备，其中分配给该集群中的该存储设备的唯一名称 配置数据库。

    Selective registration for remote event notifications in processing node clusters
    2.
    发明授权
    Selective registration for remote event notifications in processing node clusters 失效
    在处理节点群集时进行远程事件通知的选择性注册

    公开(公告)号：US08756314B2

    公开(公告)日：2014-06-17

    申请号：US13427195

    申请日：2012-03-22

    申请人： Cheryl L. Hall ,  Rajeev Mishra ,  Trishali Nayar ,  Lance W. Russell

    发明人： Cheryl L. Hall ,  Rajeev Mishra ,  Trishali Nayar ,  Lance W. Russell

    IPC分类号： G06F15/173

    CPC分类号： H04L12/4641 ,  G06F9/542 ,  G06F2209/544

    摘要： An event notification method for distributed processing systems provides remote and local node event notification in systems that require local registration of an event consumer in order produce an event notifications. To provide notification of an event occurring on a remote node, either event consumers on all nodes in the cluster register locally to receive event notifications and specify that the event is a cluster event, in which case the nodes send notification of their locally-occurring events to all nodes, or remote registrations are accepted at nodes and if a local consumer for the event is not present, a listener thread registers as an event consumer. The listener thread sends the event notifications to the remote nodes registered as consumers for the event by observing communication between the event producer and the local consumer, or receiving the event notifications directly if there is no local consumer.

    摘要翻译： 分布式处理系统的事件通知方法在需要事件消费者的本地注册的系统中提供远程和本地节点事件通知，以便产生事件通知。 为了提供在远程节点上发生的事件的通知，集群中所有节点上的事件使用者本地注册以接收事件通知，并指定事件是集群事件，在这种情况下，节点发送其本地发生事件的通知 到所有节点或远程注册在节点处被接受，并且如果事件的本地消费者不存在，则侦听器线程注册为事件消费者。 监听器线程通过观察事件生成器和本地消费者之间的通信，或者如果没有本地消费者直接接收事件通知，则将事件通知发送到注册为事件消费者的远程节点。

    SELF-ASSIGNMENT OF NODE IDENTIFIER IN A CLUSTER SYSTEM
    3.
    发明申请
    SELF-ASSIGNMENT OF NODE IDENTIFIER IN A CLUSTER SYSTEM 有权
    群集系统中节点识别器的自动分配

    公开(公告)号：US20120143887A1

    公开(公告)日：2012-06-07

    申请号：US12957894

    申请日：2010-12-01

    申请人： SHEVAUN M. FONTENOT ,  Eric P. Fried ,  Rajeev Mishra ,  Lance W. Russell

    发明人： SHEVAUN M. FONTENOT ,  Eric P. Fried ,  Rajeev Mishra ,  Lance W. Russell

    IPC分类号： G06F17/30

    CPC分类号： H04L61/2092

    摘要： In response to a stimulus indicating configuration of a node into a cluster of a plurality of nodes including the node, the node determines whether or not the node has a universally unique identifier (UUID), and if not, the node provides its own persistent self-assigned UUID. The node searches a cluster configuration database for a temporary identifier associated with the node. In response to the node locating the temporary identifier of the node in the cluster configuration database, the node writes its self-assigned UUID into the cluster configuration database and joins the cluster.

    摘要翻译： 响应于指示将节点配置到包括节点的多个节点的集群中的刺激，节点确定节点是否具有通用唯一标识符（UUID），如果不是，节点提供其自己的持续自身 被分配的UUID。 节点在集群配置数据库中搜索与节点相关联的临时标识符。 响应于节点在群集配置数据库中定位节点的临时标识符，节点将其自分配的UUID写入群集配置数据库并加入群集。

    Endpoint-to-Endpoint Communications Status Monitoring
    4.
    发明申请
    Endpoint-to-Endpoint Communications Status Monitoring 失效
    端点到端点通信状态监控

    公开(公告)号：US20120140675A1

    公开(公告)日：2012-06-07

    申请号：US12959556

    申请日：2010-12-03

    申请人： Rajeev Mishra ,  Lance W. Russell

    发明人： Rajeev Mishra ,  Lance W. Russell

    IPC分类号： H04L12/28

    CPC分类号： H04L41/5038 ,  H04L43/062 ,  H04L43/0811

    摘要： Communication ability between nodes in a cluster-based computer system is tracked to inform applications executing on the nodes of the existence and quality of the endpoint-to-endpoint communications available between the nodes. Communications between a node and other nodes are tracked, and a database records the communication ability between the node and the other nodes for each link between the nodes. The tracking and recording are repeated at the other nodes. A registration by an application executing at a particular one of the nodes to receive notifications of changes in the communication ability with another node over a particular link (or in general) will cause notification of the application when the link status changes.

    摘要翻译： 跟踪基于群集的计算机系统中的节点之间的通信能力，以通知在节点上执行节点上可用节点之间可用的端点到端点通信的存在和质量的应用。 跟踪节点和其他节点之间的通信，并且数据库记录节点和节点之间的每个链路的节点与其他节点之间的通信能力。 在其他节点重复跟踪和记录。 通过在特定节点处执行的应用程序的注册，以接收通过特定链路（或一般地）与另一节点的通信能力的变化的通知，当链路状态改变时将引起应用的通知。

    SELECTIVE REGISTRATION FOR REMOTE EVENT NOTIFICATIONS IN PROCESSING NODE CLUSTERS
    5.
    发明申请
    SELECTIVE REGISTRATION FOR REMOTE EVENT NOTIFICATIONS IN PROCESSING NODE CLUSTERS 失效
    选择性注册用于处理节点群集中的远程事件通知

    公开(公告)号：US20120066372A1

    公开(公告)日：2012-03-15

    申请号：US12879414

    申请日：2010-09-10

    申请人： Cheryl L. Jennings ,  Rajeev Mishra ,  Trishali Nayar ,  Lance W. Russell

    发明人： Cheryl L. Jennings ,  Rajeev Mishra ,  Trishali Nayar ,  Lance W. Russell

    IPC分类号： G06F15/173

    CPC分类号： H04L12/4641 ,  G06F9/542 ,  G06F2209/544

    摘要： An event notification system for distributed processing systems provides remote and local node event notification in systems that require local registration of an event consumer in order produce an event notifications. To provide notification of an event occurring on a remote node, either event consumers on all nodes in the cluster register locally to receive event notifications and specify that the event is a cluster event, in which case the nodes send notification of their locally-occurring events to all nodes, or remote registrations are accepted at nodes and if a local consumer for the event is not present, a listener thread registers as an event consumer. The listener thread sends the event notifications to the remote nodes registered as consumers for the event by observing communication between the event producer and the local consumer, or receiving the event notifications directly if there is no local consumer.

    摘要翻译： 用于分布式处理系统的事件通知系统在需要本地注册事件消费者的系统中提供远程和本地节点事件通知，以便产生事件通知。 为了提供在远程节点上发生的事件的通知，集群中所有节点上的事件使用者本地注册以接收事件通知，并指定事件是集群事件，在这种情况下，节点发送其本地发生事件的通知 到所有节点或远程注册在节点处被接受，并且如果事件的本地消费者不存在，则侦听器线程注册为事件消费者。 监听器线程通过观察事件生成器和本地消费者之间的通信，或者如果没有本地消费者直接接收事件通知，则将事件通知发送到注册为事件消费者的远程节点。

    INTER-CLUSTER COMMUNICATIONS TECHNIQUE FOR EVENT AND HEALTH STATUS COMMUNICATIONS
    8.
    发明申请
    INTER-CLUSTER COMMUNICATIONS TECHNIQUE FOR EVENT AND HEALTH STATUS COMMUNICATIONS 失效
    用于事件和健康状态通信的互联通信通信技术

    公开(公告)号：US20120250697A1

    公开(公告)日：2012-10-04

    申请号：US13079182

    申请日：2011-04-04

    申请人： ARUNACHALAM GANAPATHY ,  Rajeev Mishra ,  Lance W. Russell ,  Murali Vaddagiri

    发明人： ARUNACHALAM GANAPATHY ,  Rajeev Mishra ,  Lance W. Russell ,  Murali Vaddagiri

    IPC分类号： H04L12/56

    CPC分类号： H04L61/103 ,  H04L61/6022

    摘要： Communication between clusters of processing nodes is initiated by designating a link layer address and a target node name in a remote cluster. The link layer address is transmitted to the target node via a regular network transmission. The link layer address is stored locally in each cluster and the nodes in each cluster are signaled that a configuration change has been made, so that gateway nodes in the clusters can obtain the link layer address to use for subsequent communications with the other cluster, such as event notifications of node status changes.

    摘要翻译： 通过在远程集群中指定链路层地址和目标节点名来启动处理节点集群之间的通信。 链路层地址通过常规网络传输被发送到目标节点。 链路层地址本地存储在每个集群中，每个集群中的节点都发信号通知已进行配置更改，使得集群中的网关节点可以获取链路层地址，以用于与其他集群的后续通信，例如 作为节点状态更改的事件通知。

    ENDPOINT-TO-ENDPOINT COMMUNICATIONS STATUS MONITORING
    9.
    发明申请
    ENDPOINT-TO-ENDPOINT COMMUNICATIONS STATUS MONITORING 有权
    端点到端点通信状态监视

    公开(公告)号：US20120203897A1

    公开(公告)日：2012-08-09

    申请号：US13425649

    申请日：2012-03-21

    申请人： Rajeev Mishra ,  Lance W. Russell

    发明人： Rajeev Mishra ,  Lance W. Russell

    IPC分类号： G06F15/173

    CPC分类号： H04L41/5038 ,  H04L43/062 ,  H04L43/0811

    摘要： Communication ability between nodes in a cluster-based computer system is tracked to inform applications executing on the nodes of the existence and quality of the endpoint-to-endpoint communications available between the nodes. Communications between a node and other nodes are tracked, and a database records the communication ability between the node and the other nodes for each link between the nodes. The tracking and recording are repeated at the other nodes. A registration by an application executing at a particular one of the nodes to receive notifications of changes in the communication ability with another node over a particular link (or in general) will cause notification of the application when the link status changes.

    摘要翻译： 跟踪基于群集的计算机系统中的节点之间的通信能力，以通知在节点上执行节点上可用节点之间可用的端点到端点通信的存在和质量的应用。 跟踪节点和其他节点之间的通信，并且数据库记录节点和节点之间的每个链路的节点与其他节点之间的通信能力。 在其他节点重复跟踪和记录。 通过在特定节点处执行的应用程序的注册，以接收通过特定链路（或一般地）与另一节点的通信能力的变化的通知，当链路状态改变时将引起应用的通知。

    Inter-Node Communication Scheme for Node Status Sharing
    10.
    发明申请
    Inter-Node Communication Scheme for Node Status Sharing 失效
    节点状态共享的节点间通信方案

    公开(公告)号：US20120143957A1

    公开(公告)日：2012-06-07

    申请号：US12959581

    申请日：2010-12-03

    申请人： Arunachalam Ganapathy ,  Rajeev Mishra ,  Lance W. Russell ,  Murali Vaddagiri

    发明人： Arunachalam Ganapathy ,  Rajeev Mishra ,  Lance W. Russell ,  Murali Vaddagiri

    IPC分类号： G06F15/16 ,  G06F15/173

    CPC分类号： H04L43/10 ,  H04L43/0817

    摘要： A gossiping scheme for sharing node status in a cluster of nodes provides a robust mechanism for determining node status within the cluster. Nodes transmit gossip messages to each other nodes, the gossip messages listing other nodes in the cluster that are operational. When a node does not receive a gossip message from a particular node within a predetermined time period, then the node transmits messages to the other nodes indicating that the particular node is down. However, if another node has received a packet from the particular node within the predetermined time period and receives the node down message, then the other node responds with a node alive message.

    摘要翻译： 用于在节点集群中共享节点状态的八卦方案为确定集群内的节点状态提供了一种可靠的机制。 节点向每个其他节点发送八卦消息，八卦消息列出了群集中其他可操作的节点。 当节点在预定时间段内没有从特定节点接收到八卦消息时，节点向其他节点发送指示特定节点关闭的消息。 然而，如果另一节点在预定时间段内已经从特定节点接收到分组并且接收到节点向下消息，则另一个节点用节点存活消息进行响应。