Node time drift in OpenShift 4 on Azure

Solution Verified - Updated -

Issue

  • After cluster installation, the controlplane virtual machines are unable to reach public NTP servers
  • The chrony daemon which is running on the RHCOS virtual machines, seems to be configured to use 2.rhel.pool.ntp.org pool as an NTP source.
  • NTP synchronisation fails, since no NTP peers are reachable

Environment

  • Red Hat Openshift Container Platform
    • 4.2.1
  • Microsoft Azure

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