Grub error 21
Timothy Murphy
tim at birdsnest.maths.tcd.ie
Mon Feb 5 03:44:17 UTC 2007
Marcel Janssen wrote:
> The problem is that when I rebooted I get grub presenting me an error 21.
> Looking at the installation, the grub config files mention that it uses
> (hd1,1) which is wrong I think.
>
> I rebooted using the rescue disk and did :
>
> grub> root (hd0,1)
> (this shows it's Linux 83 partition, so I think it's correct)
> grub> setup (hd0)
> (this shows not errors so I assume everything is fine).
>
> Unfortunately I still get error 21 at boot.
> I also tried hd1,1 but grub mentions that this drive does not exist.
>
> Since error 21 means that grub doesn't recognise the disk, I wonder why it
> does recognise this when I boot into rescue mode.
>
> Does anyone know how to find out what grub is doing and how to make it
> boot well ?
Did you edit your grub config file?
If you left an incorrect (hd1,1)
I don't see how you could expect it to work.
--
Timothy Murphy
e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland
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