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Re: "Grub Hard Disk Error", after installing from sarge floppies



Hi Alvin. Once again, thanks for your ultra-fast reply. I have not been able to understand completly what you've said so I'll comment along your mail, ok?

Alvin Oga wrote:
On Tue, 30 Nov 2004, Joao Clemente wrote:
...but when one is suposed to get the GRUB menu, I get simply a
"GRUB Hard Disk Error" message


grub is "unreasonably" finicky ....

What means "finicky"? 1rst time I see this word

you have several choices..
1)  boot into dos a:> fdisk /mbr
	-- wipe it out and try grub-install again

I could try this but it would fail again... as you already said - and its obvious that it will...


2) i always use lilo, whenver grub failed ..

Well, I was willing to try it... but I haven't been able to get to a point that I get a shell...

3) install into the boot sector of the partition (/dev/hda1 ) instead MBR of the disk ( /dev/hda )
	- but the mbr must be empty too

I am not certain of you're refering to grub, lilo, or both. I see no reason why grub (or lilo) would fail when installed in MBR but suceed when installed in /dev/hda1... and, btw, can grub be placed in /dev/hda1? I've done this with lilo, but never seen it done with grub...

presumably you can boot off of other media to try to install the MBR
with grub/lilo/loadlin/...
	boot media == boot floppies, knoppix, deb cdrom,
	where you can get into standalone rescue mode

Well.... here is also one of the problems.... I tried to follow instructions on http://www.desktop-linux.net/grub.htm about using a grub floppy and I was not sucessfull... I found out that I needed (at least) to give the commands
- root (hda0,0)
- kernel /vmlinuz
- initrd /initrd.img
- boot
but I must be missing something as even with this the boot fails at some point with a kernel panic...


One thing that its crossing my mind is... can I use tomsrtbt floppy and chroot to my freshly installed sarge? Can I run "apt-get lilo" from such a chroot'ed environment? Is it worth a try? (I am not trying this at this moment because I decided to reinstall again, to see if I can have a choice somewhere of getting lilo instead of grub somewhere during installation)

Thanks
Joao Clemente

Ps: I can only use floppies as boot media for this machine.. no boot from cdrom available... it's an old bad machine..



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