Re: Recovering/Restoring Boot Partition

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On 1/29/2014 13:59, Chris Murphy wrote:
> 
> ...
> Anyway, if you're for sure convinced it's corrupt then reformat the partition. 
> Use blkid to get the new volume UUID to insert into /etc/fstab so it gets mounted 
> when you next boot. And then mount root, boot, (boot/efi if this is a UEFI machine), and use:
> mount -B /dev /mnt/dev    #where /mnt is where rootfs is mounted
> mount -B /proc /mnt/proc
> mount -B /sys /mnt/sys
> chroot /mnt
> yum reinstall kernel     #grubby will probably complain due to lack of grub.cfg
> grub2-install /dev/sdX                       
> grub2-mkconfig -o /boot/grub2/grub.cfg
> 
> 
Chris,
After several weeks of schedule hell, I was finally able to work on
this.  The upshot is that the previously installed kernels weren't
available (so I had to pull the more recent available one), I got some
errors on the grub2 commands, and when rebooting into the new kernel I
get several errors:

When entering GRUB:
error: file `/grub2/locale/en.mo.gz' not found

After selecting kernel from the grub menu:
error: invalid magic number.
Loading initial ramdisk...
error: you need to load the kernel first

These were similar errors to the ones I was getting when the problem
first appeared - and yet now things should be installed into the boots
directory on the / partition rather than the separate /boot partition
that seems to have become unloadable.

Does this make any sense?
 -Don


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