Boot using the CD/DVD and at the linux prompt
linux rescue
then follow the prompts to mount the files system. Drop in to the shell
chroot /mnt/sysimage
mount -a
ls /boot
ensure it has mounted
grub2-mkconfig -o /boot/grub2/grub.cfg
grub2-install /dev/sda
Have a look at
http://fedoraproject.org/wiki/Features/Grub2
John.
On 21/01/12 18:07, Vic wrote:
>
> Hi All.
>
> I've just had a rather problematic upgrade to Fedora 16 on a test machine.
> Now I can't boot it.
>
> I'm getting a "root filesystem not found" problem. It tells me the only
> available devices are sda1 and sda2 - so it's clearly not setting up lvm
> at all.
>
> I know how to fix this in the old grub, but I've no idea what I'm doing in
> grub2 - anyone know where this goes? I've tried an "insmod lvm" in
> grub.cfg, but that didn't seem to do anything :-(
>
> Thanks!
>
> Vic.
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