Mark Cooke wrote:
>Basically has anyone managed to get Grub from 7.2 working on 7.1
>sucessfully? and if so,how easy was it to get it working?

Mark,
I didn't EXACTLY what you are trying to do, as I did not downgrade from RH 
7.2 to 7.1, but I have been running GRUB succesfully on RH 7.1 for some time. 
Being a Caldera deserter, I leaned to know the advantages of using GRUB, once 
having installed it.
Now I can't give you the necessery steps in detail (because my was some 
months ago, I really should start jotting down what I do). 

But I can hint you to some excellent reading about the procedure: Go to the 
site http://www.linux.nf (there ist an UK mirror with probably better access) 
and 
1. read "Zen And The Art Of Using GRUB", where you get the background 
informations for installing, eg about the naming conventions for harddisks 
that differ from those used in Linux.
2. Now first you should get GRUB. Perhaps you can use the rpm supplied with 
RH 7.2 - I don't know. I did it the hard way, d/lded the tarball from 
http://www.gnu.org/software/grub/
and did the usual ./configure - make - make install.
3. Now all you really need is (aside from the binary /usr/local/sbin/grub) 
are three files in a directory /boot/grub:
/boot/grub/menu.lst
/boot/grub/stage1
/boot/grub/stage2
The stages are the real loaders, and menu.lst is a configuration file 
equivalent to lilo.conf; I'll give you mine later.
4. The binary normally is used only when you install and and configure GRUB. 
Look at "Zen ... " how to do that.
5. Here is my commented menu.lst. Watch out for the partition names:

#
# /boot/grub/menu.lst - generated by KPS
#
# options

timeout = 10

default = 0
# '0' of course means: first entry is system to be booted by default

root=/dev/hda6
# my '/' partition

title = RedHat 7.1 (hda5, 2.4.9-12)
root   = (hd0,4)
# 'root' HERE indicates the part where my /boot is: hda5 (=(hd0,4)!)  
kernel = /vmlinuz-2.4.9-12 vga=normal hdb=ide-scsi hdc=ide-scsi root=/dev/hda6
# kernel entry similar to lilo.conf

title = Win98
        chainloader = (hd0,0)+1
# the other system

Now I hope these hints are at least somewhat helpful.
Success!
Klaus-Peter
 



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