How to enable disk encryption for OCP worker nodes AWS?

Solution Verified - Updated -

Issue

  • When installing an OpenShift Container Platform 4.4 Cluster, the root disks for the OpenShift Container Platform Master Nodes are encrypted by default. However, the disks for OpenShift Container Platform Worker Nodes are not encrypted by default. How can we encrypt the disks for the Worker Nodes?
  • We want to use normal EBS encryption on the nodes but why are worker nodes not encrypted per default?

Environment

  • OpenShift Container Platform 4.4
  • Amazon Web Services (AWS)

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