I successfully Restored Grub Boot-loader But It Doesn't Work.

Robert Holtzman holtzm at cox.net
Tue Nov 2 23:38:19 UTC 2010


On Tue, Nov 02, 2010 at 02:42:19PM +0800, Goh Lip wrote:
> On Tuesday 02,November,2010 02:23 PM, Robert Holtzman wrote:
> > On Tue, Nov 02, 2010 at 01:14:32PM +0800, Goh Lip wrote:
> > Just to show my congenital stupidity, if you multiboot wouldn't you use
> > "grub-install dev/sdaX" to specify what partition to install to?
> 
> Bob, for both grub2 and grub-legacy, grub would 'take over' the mbr - 
> the first sector of the disk - and that would *not* happen if we use 
> "sudo grub-install /dev/sdaX" instead of "sudo grub-install /dev/sda".
> 
> I think you meant where the grub.cfg or menu.lst would be and yes, they 
> are at the partition /dev/sdaX itself. But without going into details as 
> what grub "puts" into mbr, such as core.img etc., suffice to know that 
> grub% overrides the mbr.
> 
> Also, it is not absolutely necessary to set the OS grub into the mbr: I 
> myself do not set any of my OS grub to mbr and so I always install grub 
> to sdaX or do "sudo grub-install /dev/sdaX" instead. That is because I 
> have a separate "boot-loader" (in grub2) that sets itself to mbr. 
> However for an overwhelming majority, there will always be an OS grub 
> that sets to mbr.

Oh, crap! I knew that but it didn't float to the top of my mind. I told
you my stupidity was congenital, didn't I?

Thanks for the prod.

-- 
Bob Holtzman
Key ID: 8D549279
"If you think you're getting free lunch,
 check the price of the beer"
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