OpenShift 4.5 IPI on vSphere: MachineSet is not scaling properly and Machine shows as Failed

Solution Verified - Updated -

Issue

  • Attempting to scale up a MachineSet isn't showing all ready:
# oc scale --replicas=4 machineset/lab-qh8hq-worker -n openshift-machine-api
# oc get machineset  -n openshift-machine-api
NAME                 DESIRED   CURRENT   READY   AVAILABLE   AGE
lab-qh8hq-worker    4         4         3       3           81m
  • Newly scaled up MachineSet shows Failed Machine:
# oc get machines  -n openshift-machine-api | grep -v Running
NAME                       PHASE     TYPE   REGION   ZONE   AGE
lab-qh8hq-worker-8ftcp   Failed                           8m8s

Environment

  • Red Hat OpenShift Container Platform 4.5
  • VMWare vSphere
  • Installer Provisioned Infrastructure (IPI)

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