From owner-freebsd-stable  Wed Sep 15  3:30:58 1999
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From: Jos Vissers <jos@islay.demon.nl>
Message-Id: <199909151024.MAA84130@mailhub>
Subject: Re: Remote system upgrade via NFS problems.
In-Reply-To: <27100.937297200@axl.noc.iafrica.com> from Sheldon Hearn at "Sep 14, 1999 10:20:00 am"
To: sheldonh@uunet.co.za (Sheldon Hearn)
Date: Wed, 15 Sep 1999 12:24:05 +0200 (CEST)
Cc: elie@uncle.cult.cu, freebsd-stable@FreeBSD.ORG
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Sheldon Hearn wrote:
> 	You can now do ``make installworld'' from those hosts, one at at
> 	time. In between each ``make installworld'' that you perform on
> 	the hosts, you should copy the backup obj tree back to the
> 	exported tree, e.g.
> 		rm -rf /usr/obj/*
> 		chflags -R noschg /usr/obj
> 		rm -rf /usr/obj/*
> 		cp -pR /usr/obj.mint/* /usr/obj
> 
> This whole process of preserving the obj tree may not be necessary any
> more. A long time ago, I heard that the ``installworld'' target messed
> with some of the stuff in the obj tree. If you'd like to try skipping
> the preservation steps, I'd appreciate feedback. :-)

I upgrade 3 machines from one buildworld.
A has all the source in /vol/src/FreeBSD-stable/src, it exports /vol/src.
B has /scratch/obj, it exports /scratch.
/vol/src is mounted on B and C.
/usr/src is linked to /vol/src/FreeBSD-stable/src on all 3 machines.
/scratch is mounted on A and C.
/usr/obj is linked to /scratch/obj on all 3 machines.

I do a buildworld on B and then installworld on all three machines
(in single used mode)
It works fine.

Jos

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