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Date:      Fri, 7 Jan 2011 10:53:12 -0500
From:      Jerry McAllister <jerrymc@msu.edu>
To:        Devin Teske <dteske@vicor.com>
Cc:        Jerry McAllister <jerrymc@msu.edu>, Frank Shute <frank@shute.org.uk>, patrick <gibblertron@gmail.com>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Re: Upgrading from FreeBSD 4.10 to 8.1?
Message-ID:  <20110107155311.GA91089@gizmo.acns.msu.edu>
In-Reply-To: <93844B59-B4B4-4DDB-BE2C-0181907D3BB9@vicor.com>
References:  <AANLkTik7fS0y=Xkvp-vv4LuTLdKKnE1d%2BndRMtR9_a20@mail.gmail.com> <20110107120259.GA44135@orange.esperance-linux.co.uk> <20110107140513.GA82088@owl.midgard.homeip.net> <20110107150755.GA90911@gizmo.acns.msu.edu> <93844B59-B4B4-4DDB-BE2C-0181907D3BB9@vicor.com>

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On Fri, Jan 07, 2011 at 07:50:20AM -0800, Devin Teske wrote:

> 
> 
> Sent from my iPhone
> 
> On Jan 7, 2011, at 7:07 AM, Jerry McAllister <jerrymc@msu.edu> wrote:
> 
> > On Fri, Jan 07, 2011 at 03:05:14PM +0100, Erik Trulsson wrote:
> > 
> >> On Fri, Jan 07, 2011 at 12:02:59PM +0000, Frank Shute wrote:
> >>> On Thu, Jan 06, 2011 at 07:45:28AM -0800, patrick wrote:
> >>>> 
> >>>> I know this is a bit crazy, but is there any opinion as to whether a
> >>>> binary upgrade using an 8.1 CD would work to upgrade a system running
> >>>> 4.10? Normally I would want to do a fresh install, but it's at a
> >>>> remote client site where it's not going to be easy to do it that way,
> >>>> and I'm going to need to guide someone less experienced through the
> >>>> install/upgrade process.
> >>> 
> >>> An upgrade using a CD wouldn't work as the filesystem changed from
> >>> UFS1 to UFS2 betweeen 4 and 5.
> >> 
> >> That by itself should not be a showstopper, since newer FreeBSD
> >> releases (incl. 8.1) still support UFS1 and can run perfectly fine on
> >> it.  Although it is generally a good idea to use UFS2 rather than UFS1
> >> with FreeBSD 5+ it is certainly not necessary.
> > 
> > The thing to do is create the UFS2 new system and use it to read
> > the stuff you need from the old UFS1 system/disk.  Then just use
> > the new disk.
> > 
> 
> Maybe I'm just imagining things, but I somehow recall that some guru had 
> posted a technique for converting UFS1 to UFS2 by way of dump/restore 
> while booted from a live distro. Was I dreaming?

Well, that should be easy.    You just have a new disk, slice, partition
and newfs it with a new UFS2 system.  Then dump the old partitions
and restore them on the new partitions.    It is still a matter of
creating a new system with new space.  You could do it to a spare
machine and then once it is all built, do the same back to the old
machine and it would all be up-to-date.

The new one would be nice and clean then too.

////jerry    
   
> --
> Cheers,
> Devin
> 
> 
> > ////jerry
> > 
> > 
> >> -- 
> >> <Insert your favourite quote here.>
> >> Erik Trulsson
> >> ertr1013@student.uu.se
> >> _______________________________________________
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