On Wed, 29 Jan 2003, Jonathan Towne wrote:

>FWIW, I wanted to do this with a Sun 3/80 that has a 1gig disk inside it,
>but can't boot from the disk.  Instead of doing what I really want, I 
>simply setup a lot of symlink hackery and I don't reboot the machine..ever.
>
>I'm really interested in this feature, because I do wish to keep the 3/80
>going, and the firmware isn't likely to support booting from it anytime soon.
>
>(the concept i'm using is: grab bootblocks over the net, load the kernel
> from there too, and once things get up and running, using nfsroot, then
> mount your local disk on /altroot and symlink things such as /altroot/bin
> to /bin etc, because its faster to load from disk into memory than from
> the network.  go figure ;)

How about using chroot? Minimal root, with:
mount <dev> /altroot
exec chroot /altroot /etc/rc "$@"

in /etc/rc.

>
>Hope this added something to the conversation; even if it was only letting
>someone know there is interest in it.
>
>- Jonathan Towne
>

-- 
"I've started referring to the proposed action against Iraq as Desert
Storm 1.1, since it reminds me of a Microsoft upgrade: it's expensive,
most people aren't sure they want it, and it probably won't work." 
-- Kevin G. Barkes

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