On Sat, Dec 29, 2018 at 11:06:37PM +0300, Reco wrote: > On Sat, Dec 29, 2018 at 02:40:41PM -0500, Roberto C. Sánchez wrote: > > > while people paying $$$ for RHEL support > > contracts were always told, "wipe and reinstall" was at least part of > > what moved Red Hat to start providing support for in-place upgrades (at > > least as of RHEL7, if I understand correctly). > > Please do not blame support for that. > Those poor (literally) overseas guys and gals have two options then it > comes to such things. > Option A - do it official Red Hat way (i.e. - reinstall). > Option B - suggest a customer to do an unsupported upgrade, and get > blamed/fired for all kinds of inevitable trouble afterwards. > I was not trying to blame anyone. My perspective is based on a conversation I had with someone who worked for Red Hat as a solutions engineer. That and my experience obtaining an RHCE some years ago. When I referred to support I was thinking more of folks like solutions engineers as opposed to call center support personnel.
> > > The problem that people tend to encounter is when they either don't read > > and follow the instructions in the release notes for the new release or > > have packages installed from low quality third party sources. > > Or, in this particular case, follow "good old" > configure-make-make_install pattern. > Yes, that can have interesting effects on a system depending on how everything is configured. I try to avoid installing libraries in this manner for that reason. > > > There have been some problematic transitions (e.g., the one involving > > udev was a good example) > > That's a *very* x86-centric POV. > For instance, whoever came up with the idea of disabling > CONFIG_COMPACTION on armel/kirkwood between jessie and stretch rendered > armel ununsable on stretch. > And let's do not mention kfreebsd. > I wasn't saying udev transition was the only one that was problematic. It happened to be the first that came to mind because I had remotely upgrade some systems without a good out of band access to them if the system was rendered unbootable. Certainly there have been other problematic transitions, as you point out. Regards, -Roberto -- Roberto C. Sánchez