[ale] grub problems

[Stephan Uphoff]

Geoffrey wrote:
> Josh Freeman wrote:
> > You may be able to get the command  line from grub and find and boot the
> > kernel that way. essentially you will be creating the boot option
> > stanzas when you get to the grub prompt
> 
> I don't ever get to a prompt.  I've resolved it though, as follows:
> 
> Boot with a rescue disk.
> mount the root partition I'm trying to get to.
> chroot
> grub-install '(hd0)'
> 
> grub-install reinstalls grub in the mbr.  Apparently, RH removed the 
> previous one.  Wierd.  I told it not to install one, so it removes the 
> one I've got???

You probably changed or moved the physical locations of
files in /boot/grub.

The first stage of grub has only the sectors locations 
for the next stage embedded - the data lives in /boot/grub.

Grub-install installs the first stage - patched with the physical
data location of the next stage.

	Stephan