On Fri, 2012-02-10 at 19:05 +0000, Matthew Garrett wrote: > On Fri, Feb 10, 2012 at 07:56:28PM +0100, Reindl Harald wrote: > > > and Preupgrade is guaranteed to work? > > laughable! > > Not guaranteed, but it works within a massively more constrained > environment and so certain fundamental issues don't apply. yum > distro-sync requires that all currently running applications are able to > deal with their files being replaced. Preupgrade doesn't. That's a > pretty obvious distinction, and it's why preupgrade is supportable in a > way that yum isn't. Perhaps even more importantly, preupgrade requires a run of anaconda, which allows certain things to be done which simply cannot be done within the constraints of yum/rpm: like a bootloader upgrade, or the /usr move preparation steps. -- Adam Williamson Fedora QA Community Monkey IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora http://www.happyassassin.net -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
