On Thu, 2006-04-27 at 14:12 +0100, Karanbir Singh wrote: > William L. Maltby wrote: > ><snip> > > If the --obsoletes flag is present yum will include package > > obsoletes in its calculations - this makes it better for distro- > > version changes, for example: upgrading from somelinux 8.0 to > > somelinux 9. > > > > Hmmm. Cell number 2 doesn't forget much. I recall several admonitions > > that major upgrade should take the form of a new install. E.g. CentOS 3* > > to CentOS 4*. The paragraph above *seems* to indicate that a major > > upgrade might be doable? Moreover, it prompts the questions: > > > > 1) "What are the downsides, if any?" > > 2) "Has anybody tried it recently?" > > 3) "Have any results to report?" > > > > No pressing need, just curious. > > > > yum will upgrade pkgs, but not all pkgs like that - eg. moving from > kernel2.4 to 2.6 the 'centos way' - moving from devfs to udev, major > python + rpm upgrade in itself. > > check list history from early 2005, this move from centos3 -> centos4 > was documented and thrashed out a few times. > > plus, packages change - not everything from el3 made it to el4 - and > what about non core installed pkgs and install from source pkgs! Thanks for taking the time. I had forgotten about those. I was mostly hoping that use of plugins, yum improvements... might have resolved some of the issues and maybe someone had tried more recently. -- Bill -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part URL: <http://lists.centos.org/pipermail/centos/attachments/20060427/350dc494/attachment-0005.sig>