Subject: Re: /rescue, crunchgen'ed?
To: None <Richard.Earnshaw@arm.com>
From: Manuel Bouyer <firstname.lastname@example.org>
Date: 08/30/2002 12:56:47
On Fri, Aug 30, 2002 at 11:34:17AM +0100, Richard Earnshaw wrote:
> That needn't be true, but then you need more than just /rescue.
> My netwinder has a completely separate 'rescue' partition, that has a
> kernel and a minimal set of tools. The idea is that you *never* update
> that (or only very rarely); you never mount it normally either. Then when
> things really go pear shaped you tell the BIOS to boot from that instead
> of the normal partition and mount your screwed up world on that so that
> you can fix it all up.
> The main advantage of that approach is that it avoids some of the cases
> where you've screwed up /dev, say, and can nolonger boot from your main
> partition at all. But the cost is more disk space since you need a
> kernel, /etc, and other bits and bobs on it.
> It's sort of like a 'floppy on the hard disk'.
I keep the install kernel (the one with the ramdisk) in / for this purpose.
As long as you can load the kernel you're OK.
Now one could create a separate, small partition to keep the ramdisk
kernel, to be really really safe.
Manuel Bouyer, LIP6, Universite Paris VI. Manuel.Bouyer@lip6.fr