OpenShift NodeClockNotSynchronising alerts on VMware

Solution Verified - Updated -


  • AlertManager is sending alerts for NodeClockNotSynchroning intermittently

  • After a VMotion event, the node may lose connection to NTP - usually recovering by itself after the alert is fired.


  • Red Hat OpenShift Container Platform 3.11
  • Red Hat OpenShift Container Platform 4.x
  • Vmware

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