Need Help Editing Grub OOPS! Screw up...

[kitepilot at kitepilot.com]

> grub
> root (hd1,0)
> root (hd1)
NO 

grub
root (hd?,?)
setup (hd?)
^^^^^
Sorry...
ET 

 


Mark Phillips writes: 

> kitepilot, 
> 
> Thanks for the clarification. 
> 
> Sorry to be such a newbie.....You wrote
> grub
> root (hd1,0)
> root (hd1)
> It should answer that it found the stages, verify that there are no errors.
> quit 
> 
> Should it be
> grub
> root (hd1,4)
> root (hd1)
> It should answer that it found the stages, verify that there are no errors.
> quit 
> 
> because "find /boot/grub/stage1" returns (hd1,4) and not (hd1,0)? Or,
> perhaps it doesn't matter, and grub will do the right thing when I use
> (hd1,0)? 
> 
> Thanks! 
> 
> Mark 
> 
> On Mon, Jan 25, 2010 at 7:06 AM, kitepilot at kitepilot.com <
> kitepilot at kitepilot.com> wrote: 
> 
>> >> is there perhaps, a typo?
>> No, it's not a typo!
>> The drive is still hd1 until you pull the old one.
>> Grub doesn't know about which drive, the BIOS tell it to.
>> Once you pull the M$ drive and flip the cables, GRUB will see it as hd0.
>> ET 
>>
>> 
>>
>> Mark Phillips writes: 
>>
>> > I understand the flow....shouldn't I tell grub somehow that the new boot
>> > drive is hd0,0? In your steps below, is there perhaps, a typo?
>> >
>> > Thanks!
>> >
>> > Mark
>> >
>> > On Sun, Jan 24, 2010 at 3:58 PM, kitepilot at kitepilot.com <
>> > kitepilot at kitepilot.com> wrote:
>> >
>> >> >> 1. How do I change grub on the Linux drive (hdb) to say "the ...
>> >> If you are running GRUB 0.XX (GRUB 1.XX is different):
>> >> Boot your Debian machine and as root run:
>> >> grub
>> >> root (hd1,0)
>> >> root (hd1)
>> >> It should answer that it found the stages, verify that there are no
>> errors.
>> >> quit
>> >>
>> >>
>> >> Then take a backup of /boot/grub/menu.lst and and make sure that
>> everything
>> >> is either using UUID(s) or labels or every reference to hd1,0 is
>> converted
>> >> to hd0,0
>> >>
>> >> Verify your /etc/fstab likewise.
>> >>
>> >>
>> >> > 2. Do I move the second drive to the first ide port, or leave it as
>> ...
>> >> Shutdown, pull the cable from the windoze drive and plug it to Linux
>> drive.
>> >> Turn on and pray...   :)
>> >> Free advice, you can't sue me   ;-)
>> >> YMMV
>> >> ET
>> >>
>> >>
>> >>
>> >>
>> >> Mark Phillips writes:
>> >>
>> >> > I have two ide drives in one machine - drive 1 is a Windows drive and
>> >> drive
>> >> > 2 is a Linux drive. Using grub, I can boot into either windows or
>> debian.
>> >> I
>> >> > want to remove the windows drive and replace it with a larger, blank
>> >> drive
>> >> > for backup storage. I have a feeling if I just remove the first drive
>> and
>> >> > put the new one there, the machine will not boot, since the MBR is
>> >> probably
>> >> > on the first drive (it came with the machine, and I just added the
>> second
>> >> > drive for Linux). My questions:
>> >> >
>> >> > 1. How do I change grub on the Linux drive (hdb) to say "the windows
>> >> drive
>> >> > is dead, boot here instead, long live linux"?
>> >> >
>> >> > 2. Do I move the second drive to the first ide port, or leave it as
>> the
>> >> > second ide drive and put the new drive in the fist ide port?
>> >> >
>> >> > Thanks!
>> >> >
>> >> > Mark
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