Upgrading from FreeBSD 4.10 to 8.1?

[Devin Teske]

Sent from my iPhone

On Jan 7, 2011, at 7:07 AM, Jerry McAllister <jerrymc at 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?
--
Cheers,
Devin


> ////jerry
> 
> 
>> -- 
>> <Insert your favourite quote here.>
>> Erik Trulsson
>> ertr1013 at student.uu.se
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