Agent installer ISO from OpenShift 4.13 and later versions fails to boot from USB

Solution Verified - Updated -

Issue

  • Using dd to write the Agent Installer ISO to a USB drive fails to boot in OpenShift 4.13 and newer versions.
  • Burning the same ISO to a DVD and booting with an external USB DVD drive works successfully.
  • Writing the base RHCOS Live ISO to a USB drive using dd also works as expected.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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