为什么 LVM 监控操作超时，并带有 unknown error (1) 错误？

Issue

• LVM 资源监控操作超时，带有 unknown error (1)
• 这些错误会导致隔离和故障转移，但没有明确指出具体错误
• 为什么错误是未知的？
• 如何确定导致错误的原因？

23:15:39 node01 lrmd[5774]: warning: imagedb-vg_monitor_10000 process (PID 2786) timed out
23:15:39 node01 lrmd[5774]: warning: imagedb-vg_monitor_10000:2786 - timed out after 30000ms
23:15:39 node01 crmd[5777]:   error: Operation imagedb-vg_monitor_10000: Timed Out (node=node01.generic.cluster.com, call=239, timeout=30000ms)
23:15:39 node01 crmd[5777]:  notice: State transition S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC cause=C_FSA_INTERNAL origin=abort_transition_graph ]
23:15:39 node01 pengine[5776]: warning: Processing failed op monitor for logindb-vg on node02.generic.cluster.com: unknown error (1)


23:16:24 node01 pengine[5776]: warning: Node node01.generic.cluster.com will be fenced because of resource failure(s)

23:16:24 node01 pengine[5776]: warning: Scheduling Node node01.generic.cluster.com for STONITH

23:16:38 node01 stonith-ng[5773]:  notice: Operation reboot of node02.generic.cluster.com by node03.generic.cluster.com for crmd.5777@node01.generic.cluster.com.ebb47d42: OK