[CentOS] Fastest 4.6 -> 5.1 upgrade path

Fri May 30 14:55:12 UTC 2008
Ray Van Dolson <rvandolson at esri.com>

On Fri, May 30, 2008 at 07:51:24AM -0700, Adrian Marsh wrote:
> Hi All,
> I’ve a question on upgrading Centos with the least downtime…
> I’ve a centos 4.6 machine, hosting my local Centos respository.  I’d
> like to upgrade the OS to 5.1
> I’ve practised in a VMware machine upgrading it by booting from a CD,
> but I wondered if YUM could do it, whilst keeping the rest of the
> machine “alive”.
> Am I better to shutdown and upgrade, or is yum really *that* good?

I believe the 4.x -> 5.x path via yum is doable but actually tends to
be a bit of work (I think I recall a rather detailed forum post
describing the procedure).

I think the anaconda (from CD) method would probably be your smoothest