Re: grub floppy snafu

[Uwe Dippel]

Haines Brown wrote:

> Then came a econd problem with floppies. When I insert a vfat
> unmounted floppy and do: 
>
>         # cd /usr/lib/grub/i386-pc
>        # dd if=stage1 of=/dev/fd0 bs=512 count=1
>        1+0 records in
>        1+0 records out
>        # dd if=stage2 of=/dev/fd0 bs=512 seek=1
>        153+1 records in
>        153+1 records out
>
> The floppy becomes bootable, but is no longer mountable:
>
>         $ mount /floppy 
>         mount: I could not determine the filesystem type, and none was
>                 specified
>
>         # mount /floppy
>         mount: you must specify the filesystem type
>
>         # mount -t vfat /dev/df0   /floppy
> 	mount: wrong fs type, bad option, bad superblock on /dev/fd0, 
> 		or too many mounted file systems
>  
This is very normal

> I can boot the floppy to the grub> prompt, but being unable to mount
> it, can't put on it the directories and files needed for a grub
> menu. If I try the dd to copy stage1 and stage2 after constructing
> putting in place the directory and files for the menu, doing so
> destroys the ability to bring up the grub menu.
>  
May I with all respect ask you to RTFM ?
Or, on Debian,

apt-get install grub-doc

and then

info grub

This will tell you exactly what and how to do.

(Hint: you don't copy anything to floppy, but the menu and the other
stages reside on hd.)

Uwe