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From: "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com>
Message-Id: <199603221737.JAA25344@GndRsh.aac.dev.com>
Subject: Re: DEVFS vs "regular /dev"
To: ambrisko@tcs.com (Douglas Ambrisko)
Date: Fri, 22 Mar 1996 09:37:44 -0800 (PST)
Cc: current@FreeBSD.org
In-Reply-To: <199603221731.JAA18126@cozumel.tcs.com> from "Douglas Ambrisko" at Mar 22, 96 09:31:01 am
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> 
> Rodney W. Grimes writes:
> | 
> | These problems may have been corrected.  I do know for certain that certain
> | /dev/ entries missing causes the system to hang very early in init, and you
> | can not even get up single user to fix it.  This _needs_ fixed badly, you
> | should be able to
> | rm -r /dev
> | reboot
> | and get the system up single user, if not you have a chicken and egg
> | problem as to how to repair a damaged or loss /dev tree.
> 
> One company I worked for, stashed a small kernel, miniroot and dev tree
> on the /usr partition.  If you made a "mistake" on the root partition
> you could reboot from the the usr slice and fix the root partittion.
> 
> It was an interesting idea.

And a darn goodone if I might add.  I often do this on my freespace
floater partition if I am going to go play with things like this...

cd /A;
dump 0Bf 2000000 - /dev/rsd0a | restore rf -

whooommmpp... instant emergeny boot via sd(0,h)/kernel....


-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation Company                 Reliable computers for FreeBSD