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Re: Grub boot problem ofter FC4 -> FC5 upgrade



On 10/18/06, Marnix <Fedora harssema com> wrote:
Hi,

After an unsuccesfull FC4 -> FC5 upgrade I find myself in the
following situation:

My server has two IDE disks hda and hdc. When it boots I see "GRUB"
alone on the screen and then it stops. I think that means that grub is
not able to find stage1_5 or stage2 loader. Grub used to be installed
(FC4) on a seperate /boot partition which was a metadevice md3
mirrored on two devices: hda1 and hdc1. When I boot from rescue CD and
I and try to reïnstall grub on hda I get an error message:

# grub --no-floppy
grub> find /grub/stage1
 (hd0,0)
 (hd1,0)

grub> root (hd0,0)
 Filesystem type is ext2fs, partition type 0xfd

grub> setup (hd0)
 Checking if "/boot/grub/stage1" exists... no
 Checking if "/grub/stage1" exists... yes
 Checking if "/grub/stage2" exists... yes
 Checking if "/grub/e2fs_stage1_5"" exists... yes
 Running "embed /grub/e2fs_stage1_5 (hd0)"... 15 sectors are embedded. succeeded
 Runing "install /grub/stage1 (hd0) (hd0)1+15 p (hd0,0)/grub/stage2
/grub/grub.conf"... failed

Error 22: No such partition

Thanks to Tony's tip I have got the system up again.

Appearently the manual installation of grub as described above does
not work, while the 'dumb' installation using "grub-install
--no-floppy /dev/hda" works. I will have to look into grub-install to
see what it does exactly and what the difference is with what I was
doing manually.

Thanks you all for your answers!

Cheers,
Marnix


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