Re: grub SATA netinstall problem
After playing with this all of yesterday, I think I have figured out
what was going wrong. It seems that no matter what I did, grub
installed to the mbr of the IDE hard drive. So I removed the IDE HD,
installed onto the SATA and it booted fine (I believe I should have
been able to do this by telling grub to install to /dev/sda, but after
a while I was getting confused as to which HD grub was coming from so
I wanted to make sure it was hitting my SATA). Now when I plug my IDE
HD back in grub cannot find the partition, so I edit the grub entry
and change the partition to the new location of the SATA HD and it
boots fine, problem is changing this in grub is not a permanent fix,
so I am going to have to do some research and figure out if this
information is stored in the grub config or if I need to reinstall
grub.
It is also worth noting, that the grub installed to the MBR of the IDE
HD would boot to the SATA HD just fine, but I wanted to be running
completely off of my SATA HD since the IDE one was just for data
storage and may move to a different box at any given time. I think
Mike's recomendation will achieve the same results as changing the
partition where grub boots to, does anyone see any reason why one is
better than the other?
On Tue, 22 Mar 2005 14:13:46 -0600, Mike Reinehr <cmr@amsent.com> wrote:
> On Monday 21 March 2005 11:54 pm, John Baab wrote:
> > I am looking for some help with a netinstall grub problem.
> >
> > I am trying to install via the 2/20/05 sarge netinstall. The
> > installation goes fine, but upon reboot I am getting "error loading
> > operating system" I have taken notice that durring the grub
> > installation step, grub is installed to /dev/hda0, which is my
> > secondary hard drive on my primary IDE controller. Durring the
> > partition steps I choose my partitions on /dev/sda0. If I remove the
> > IDE hard drive and install everything goes fine and I can boot the
> > system, but upon hooking the IDE hard drive back up my system will no
> > longer boot because my debian system is not located at (hd0,0).. How
> > can I fix the net install so grub is installed to the mbr of my SATA
> > drive and not my IDE drive? Should this hard deive not be hooked up
> > to my primary IDE controller? I have an open raid controller that it
> > can be hooked into instead, If I remember correctly (its been a while
> > since I did my last windows install) in order to get my SATA hard
> > drive to be listed as the c: I had to install windows to it and add
> > the IDE hard drive later. Any help would be appreciated, thanks.
> >
> > P.S. my motherboard is an Asus K8V SE Deluxe.
> > -John
>
> John,
>
> I've never had to do this, personally, but I've read this in the GRUB manual
> and it sounds like the solution to your problem:
>
> > 13.3.23 map
> >
> > Command: map to_drive from_drive
> > Map the drive from_drive to the drive to_drive. This is necessary when you
> chain-load some operating systems, such as DOS, if such an OS resides at a
> non-first drive. Here is an example:
> >
> > grub> map (hd0) (hd1)
> > grub> map (hd1) (hd0)
> >
> > The example exchanges the order between the first hard disk and the second
> hard disk. See also 4.2.6 DOS/Windows.
>
> cmr
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