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Re: Grub config file editing



On Tue, 2006-02-21 at 02:02 +0200, Kostas Sfakiotakis wrote:
> Greetings Dotan ,
> 
> Dotan Cohen wrote:
> > On 2/16/06, Jeff Vian <jvian10 charter net> wrote:
> >> On Thu, 2006-02-16 at 22:07 +0800, John Summerfied wrote:
> >>
> >> It does not "remember" your previous selection.  It does *always* boot
> >> the kernel marked as default unless you make some other selection from
> >> the menu.
> >>
> > 
> > Can I only boot from options in the menu? If I _know_ that I want to
> > boot from hdb8 or from (1,8) 
> 
> Watch out here !! This is partially wrong counting . Yes indeed
> hdb is the Primary Slave ( the Second IDE Hard Disk of the system )
> But 8 is the seventh partition of hdb so in order to boot from
> hdb8 you would have to ask grub to boot from (1,7 ) .
Confusion abounds with this.
  hdb8 is indeed the 8th partition.  Grub would access it at (hd1,7)
Remember, the partiton table starts counting with 1,  Grub starts
counting with 0.
What grub uses is the _offset_ value from the first partition, while the
partition table uses the numerical value. 

> By all means you can do that while the computer boots , at the
> boot menu press "e" make the change and go ahead .....
> 
> 
> 
> 
> Kind Regards,
>    Kostas
> 


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