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    • 1. 发明申请
    • Reliable leader election in storage area network
    • 可靠的领导选举在存储区域网络
    • US20050132154A1
    • 2005-06-16
    • US10678858
    • 2003-10-03
    • Sudhir RaoRobert ReesRandal BurnsDarrell Long
    • Sudhir RaoRobert ReesRandal BurnsDarrell Long
    • G06F12/00G06F13/00G06F15/16
    • H04L67/1097G06F11/1425H04L67/322
    • A method and system for election of a cluster leader in a storage area network is provided Each node in a grouping of storage area network nodes communicates with each of the nodes on a periodic basis to determine if any of the nodes have failed (42). In the event of a cluster fault, each node may request a position of cluster leader. A pruning protocol (60) is invoked to ensure efficient convergence of a single cluster leader candidate to favor a majority grouping leader candidate to become the new cluster leader. In the event the leader candidate from the majority grouping has failed to become the new cluster leader, a minority grouping leader candidate can become the cluster leader. Following the pruning protocol, a voting protocol (100) is invoked followed by lock of the quorum disk (138) by the elected cluster leader candidate.
    • 提供了一种用于选择存储区域网络中的簇头的方法和系统,存储区域网络节点分组中的每个节点周期性地与每个节点进行通信,以确定任何节点是否已经失败(42)。 在发生群集故障的情况下,每个节点可以请求簇头的位置。 调用修剪协议(60)来确保单个群组领导候选人有效地融合,以支持多数群体领导候选人成为新的群组领导者。 如果大多数分组的领导候选人未能成为新的集群领导者,少数群体领导者候选人可以成为集群领导者。 根据修剪协议,调用投票协议(100),随后由选举的集群首领候选人锁定法定磁盘(138)。