[GRLUG] Installing Grub

[Jeff DeFouw]

On Tue, Apr 26, 2011 at 08:26:38AM -0500, L. V. Lammert wrote:
> On Tue, 26 Apr 2011, Jeff DeFouw wrote:
> 
> > On Mon, Apr 25, 2011 at 08:55:39PM -0500, L. V. Lammert wrote:
> > > Need to install grub on a restored HD [separate issue as to why Clonezilla
> > > did not restore it when I had backed the entire drive], .. tried:
> > >
> > > 	grub-install /dev/sda
> > >
> > > But DNW (no boot loader). Can someone edumficate me?
> >
> > Does anything print out on boot?
> >
> Nada - the standard 'not bootable' message.
> 
> > Usually the problem is that grub doesn't know the drive from the
> > perspective of the BIOS.  If grub thinks /dev/sda is the 2nd hard disk
> > (hd1), but your BIOS thinks it's the 1st hard disk (hd0), grub will look
> > in the wrong place when it tries to boot.  Check the list of devices in
> > /boot/grub/device.map.
> >
> Interesting, .. I did have to force a bios scan on the grub-install, but
> in this case stage 1 [the MBR piece] is not loading - that would seem
> to be a different problem?

Normally a BIOS just wants to see that the drive contains a partition 
with the boot flag set.  It could see something else it doesn't like in 
the partition layout.  Did Clonezilla restore the exact partition table?

-- 
Jeff DeFouw <mrj at plorb.com>

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