Appendix D. Alternative Boot Modes
The default boot mode for nodes is BIOS over iPXE. The following sections contain information on alternative boot modes for the director to use when provisioning and inspecting nodes.
D.1. Standard PXE
The iPXE boot process uses HTTP to boot the introspection and deployment images. Older systems might support only a standard PXE boot, which boots over TFTP.
To change the boot process from iPXE to PXE, edit the
undercloud.conf file on the director host and set
ipxe_enabled = False
Save this file and run the undercloud installation:
$ openstack undercloud install
For more information on this process, see the article "Changing from iPXE to PXE in Red Hat OpenStack Platform director".