Error: /usr/sbin/grub2-probe: error: cannot find a GRUB drive for /dev/block/8. Check your device.map.

Solution In Progress - Updated -

Issue

  • When issuing grub2-mkconfig -o /boot/grub2/grub.cfg you receive the following error
/usr/sbin/grub2-probe: error: cannot find a GRUB drive for /dev/block/8.  Check your device.map.

Environment

  • Red Hat Enterprise Linux 7

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