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在一个带有 Pacemaker 的高可用性集群中,出现 "A processor failed, forming new configuration" 信息后节点被隔离

Solution Verified - Updated -

Issue

  • 在 RHEL 6/7/8/9 集群节点上出现来自 corosync 的 "A processor failed, forming new configuration." 信息意味着什么?
May  7 18:37:11 node2 corosync[12718]:   [TOTEM ] A processor failed, forming new configuration.
May 7 18:37:23 node2 corosync[12718]: [QUORUM] Members[2]: 2 3
May 7 18:37:23 node2 corosync[12718]: [TOTEM ] A processor joined or left the membership and a new membership was formed.
  • 为什么一个集群节点在其他节点报告"a processor failed"后被隔离?
  • 如何排除导致集群中的节点失败的问题?
  • 为什么我的集群节点被隔离?
  • 集群节点通信问题。
  • 集群通信问题的根本原因。
  • 集群节点被隔离,需要 RCA。
  • 我的集群出现令牌丢失和隔离的问题

Environment

  • 带有高可用性附加组件的 Red Hat Enterprise Linux (RHEL) 6、7、8 或 9
  • pacemaker

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