If you boot your system from your first hard disk then the mbr update command you would issue is grub2-install /dev/sda. I think the reason for the error was you didn't tell the command which disk's mbr to update.
On Wed, Jun 10, 2020 at 1:37 AM Stephen Morris <samorris@xxxxxxxxxxxxxxx> wrote:
Also as I understand it /boot/grub2/grub.cfg is the grub config file used to generate the grub menus for legacy booting, where to get that structure into the mbr you need to issue grub2-install, and, the /boot/efi/EFI/fedora/grub.cfg is what is used for efi booting and in that scenario you do not need to issue grub2-install.
That would explain a few things.
# grub2-install
grub2-install: error: /usr/lib/grub/x86_64-efi/modinfo.sh doesn't exist. Please specify --target or --directory.
What target or directory should I be specifying ?
regards,
Steve
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