Scaling Machine in OpenShift Container Platform 4 from zero with ephemeral-storage request is failing in OpenShift Container Platform 4

Solution Verified - Updated -

Issue

  • The OpenShift autoscaler does not trigger a scale-up for a MachineAutoscaler with minReplicas: 0 for Pods that define ephemeral-storage requests.
  • ClusterAutoscaler: Scale from zero for pods with ephemeral-storage requests not working as expected

Environment

  • Red Hat OpenShift Container Platform (RHOCP) 4

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