Upgrading 6.4 to 7.2 with gmirror

Matthew Seaman m.seaman at infracaninophile.co.uk
Tue May 19 19:41:30 UTC 2009

Kjell Bristrand wrote:
> I am about to finally go for the 7.x line, but am a little hesitant.
> My concern is whether it will cause any problems to do a source upgrade from
> 6.4 (patched to 6.4-RELEASE-p3) to RELENG_7_2 on a gmirror install (/, /usr,
> /var, and /tmp).
> Can I go directly to RELENG_7_2? Would it work having / on the gmirror? Is
> there anything else specific I should think about?

Fear not: you should be just fine.  I've done similar upgrades a number of
times without any trouble.  Having / on a gmirror won't be any bother -- gmirror
in 7.2 is either identical to gmirror in 6.4 or it groks the older version
and will transparently update itself.

Sure you can start with a 6.4 box, cvsup to RELENG_7_2, do the usual 
build{world,kernel}, install{kernel,world} thing (to grossly oversimplfy the
excellent instructions in the Handbook and /usr/src/UPDATING) and you'll end
up with a 7.2-RELEASE system happily chugging along.  

Or, if you are a freebsd-update user you can just follow the instructions here:


Remember that because it is a major version upgrade you will need to recompile
all your ports for the sake of your future sanity, if nothing else.



Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                  Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey     Ramsgate
                                                  Kent, CT11 9PW

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