Re: F8/F9 Multiboot question

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Tom Horsley wrote:

On Fri, 01 Aug 2008 19:47:13 -0700
Dan Thurman <dant@xxxxxxxxx> wrote:

> Does anyone have any advice in how to do this up properly?

chainloader is what I use. I've got a partition with nothing
but grub on it (used to be a /boot partition for an old
fedora, and I kept it around to just use for grub), and a
grub.conf file that looks like:

default=0
timeout=10
splashimage=(hd0,1)/grub/zooty.xpm.gz
title Fedora 8 x86_64
        rootnoverify (hd0,2)
        chainloader +1
title Fedora 8 i386
        rootnoverify (hd0,7)
        chainloader +1
title Fedora 9 x86_64
        rootnoverify (hd0,0)
        chainloader +1
title Fedora 9 i386
        rootnoverify (hd0,4)
        chainloader +1

In my case the different hats are all on one disk, and I tell
the installer to install each system's grub in the boot partition
rather than the MBR, but I think chainloading can cross disks
as well with suitable modification of the rootnoverify gibberish.

The beauty of this scheme is that kernel updates all just work.
I don't have to fix anything after updating any kernel in any
partition.

This sounds incredibly cool to me.  Can I press you to add a little
more detail?

What I'd like to know is, how can I convert my existing setup or
partition layout so that each of the Fedora partitions are bootable
with grub installed for which chain-loader will work?

In the past, I had nightmares trying to figure this out, and was not
successful, but then I was not using chain-loaders either. From my
past experiences, for some reason I got the idea that it was a no-no
to have /boot installed in / - I forget why exactly - but I found that
/boot worked if it had it's own partition which explains my particular
partition layout.  It would save me a partition for other uses if I can
get /boot embedded within / - that would be very cool!

I thank you for your suggestions!
Dan

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