After rebooting a RHV-H host it fails to boot displaying errors - invalid magic number, you need to load the kernel first

Solution Verified - Updated -

Issue

  • After rebooting a RHV-H host from the RHV-M UI, the host shuts down but fails to boot, displaying the following errors after the GRUB2 screen.

    error: ../../grub-core/loader/i386/pc/linux.c:170:invalid magic number.
error: ../../grub-core/loader/i386/pc/linux.c:1418:you need to load the kernel first.
Press any key to continue…

  • Pressing any key reboots the host and same errors are displayed.

Environment

  • Red Hat Virtualization (RHV)
    • 4.3
    • 4.4
  • Red Hat HyperConverged Infrastructure for Virtualization
    • 1.7
    • 1.8

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