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为什么在整个站点关闭时未触发自动计划外切换?

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适用场景

  • 光纤 MetroCluster
  • 无第三站点仲裁

问题解答

如果没有 Tiebreaker , Mediator 或 ProLion 解决方案等第三站点仲裁,并且整个站点已关闭, 运行正常的站点无法知道整个站点是否已关闭且未提供数据,或者仅连接 ISL/peering 已关闭且站点已启动并正在提供数据。如果在后一种情况下触发切换,则会导致脑裂,必须不惜一切代价避免这种情况。

追加信息

如果发生滚动故障,控制器在存储以及交换机和网桥之前发生故障,则会触发自动计划外切换。 

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