[CentOS-devel] Timeline for C5 beta / final?
rodrigob at darkover.org
Mon Feb 19 00:43:27 UTC 2007
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On Sun, Feb 18, 2007 at 02:41:58AM +0000, Karanbir Singh wrote:
> Rodrigo Barbosa wrote:
> >On Fri, Feb 16, 2007 at 10:54:05PM +0000, Karanbir Singh wrote:
> >>Joshua Kramer wrote:
> >>>Does anyone have a timeline for the CentOS 5 release candidates and/or
> >>We will aim to have the CentOS-5 Final release within 2 weeks of
> >>upstream release. So far, based on news around ETA upstream looks like
> >>15th March.
> > I'm asking, obviously, for a guess here.
> > How viable do you think it will be to do an upgrade from
> >4.4 to 5 on a live system, based on what you've seen on the beta ?
> Ok, there are 2 methods to consider here :
> 1. doing it with yum on a running machine : its do-able, but requires
> some $clue. The aim is to proide this $clue via a shell script that
> anyone can run to 'move' a machine from C-4 to C-5. There are some
> issues to keep in mind - the only way to handle conflicting packages is
> by repackaging an existing rpm then rpm -e -justdb removing them, going
> through the upgrade and then doing the safest cleanup possible at the end.
Pretty much what I expected, then.
> 2. doing it via anaconda's upgradeany method :
Unfortunatelly, not an option for a live system.
> Either way, orphans are going to get created - and extra dep's are going
> to get installed ( in most cases ) - and the best way to work around
> that, i feel, is to have a firstboot plugin that handles it for anaconda
> upgradeany upgrades and via a shell script for yum upgrades. Once we
> have this script running the way we want, we can then drop that into a
> rpm and moving it into centos-4-extras. Thereby making a move to
> centos-5 as simple as 'yum install upgrade-to-centos5' from a centos-4
That would be really nice, if samewhat dangerous.
I'm aware that major upgrades like this are not for the faint of heart.
The machine will never be as clean as a new install, also.
And yes, it is always doable, but not always viable.
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)
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