Overcloud deploy command results in the physical blades switching back to UEFI boot mode which is not supported for iPXE

Solution Verified - Updated -

Issue

  • Why the overcloud nodes are switching from legacy to UEFI mode during the deployment with below message ?
Message seen in the ilo console during the boot up on overcloud deploy :
"BIOS configuration was modified by HPE RESTful API. The system will reboot for configuration changes to take effect ."
  • Secure boot is disabled but still the issue persist.

Environment

  • Red Hat OpenStack Platform 7.0
  • HP bl460c Gen9 Blades or higher
  • Driver pxe_ilo

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