MachineSet not in desired state after increasing minReplicas in MachineAutoscaler on OCP

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MachineSet not in desired state after increasing minReplicas in MachineAutoscaler on OCP

1. 背景

工作遇到的类似问题,参考官网进行收集归档,进行笔记形式的记录,便于后续查看。

2. 环境

OpenShift Container Platform (OCP) 4

3. 问题

  • 当Autoscaler minReplicas从3增加到6时,相应的MachineSet期望副本不会从3增加到6。它需要手动将MachineSet期望副本更新到6,以增加节点数。
  • 为什么MachineSet的副本数没有增加到MachineAutoscaler中通过minReplicas设置的值?
  • When Autoscaler minReplicas are increased from 3 to 6, corresponding MachineSet desired replicas are not increase from 3 to 6. It requires to manually update the MachineSet desired