Re: [CentOS] Centos 7, grub2-mkconfig, unsupported sector [followup]

On Fri, Jan 01, 2016 at 11:59:05AM -0700, Chris Murphy wrote:

On Tue, Dec 29, 2015 at 2:43 PM, m.roth@5-cent.us wrote: You're writing the grub.cfg to the wrong location with the wrong name. It needs to go to /boot/grub2/grub.cfg - that's where the bootloader looks for it.

... or /boot/efi/EFI/centos/grub.cfg if you are booting from an EFI system. /etc/grub2-efi.cfg should point at it. I asked in #centos, and I think this isn't the location in earlier point releases of CentOS7. I don't have an EFI system handy to check.

grubby looks for /etc/grub2.cfg which is a symlink to /boot/grub2/grub.cfg, because grubby.

Grubby is smart about checking both symlinks, in case of EFI. I kinda wish it were just one link.