Can the kexec feature be used at installation time, directly from anaconda?

Solution Unverified - Updated -

Issue

The time to boot our big servers with 6TB of memory is about 40minn (for various BIOS tests), so reboot with kexec is a way to avoid this timeout. We would like to directly kexec into the kernel after installation.

Currently the install kernel is not configured with CONFIG_KEXEC=y, so kexec is not possible.

Environment

  • Red Hat Enterprise Linux (RHEL) 6 and 7
  • anaconda
  • kexec

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