Rolling release model philosophy (was Re: Anaconda is totally trashing the F18 schedule (was Re: f18: how to install into a LVM partitions (or RAID)))

[John.Florian at dart.biz]

> From: "Jóhann B. Guðmundsson" <johannbg at gmail.com>
> 
> On 11/05/2012 05:28 PM, Przemek Klosowski wrote:
> > On 11/02/2012 07:04 PM, Adam Williamson wrote:
> >
> >> Sure, like I said in another mail, we've got better at that than 
before.
> >> But as I also said in the same mail, you still have to do a version
> >> upgrade every twelve months. That alone is ridiculous for a 'stable'
> >> operating system.
> >>
> >
> > This is an important point---it makes it difficult to deploy Fedora 
> > for other people. When the end-of-support comes, it usually means 
> > having to reinstall, because upgrade can take unbounded time, if 
> > problems pop up. Additionally, in my experience, a reinstall often 
> > results in a better configuration, free of grandfathered suboptimal 
> > settings.
> >
> > I keep thinking about a scheme to roll over an EOL Fedora into a 
> > closest possible CENTOS. It's not trivial because I can't just look 
> > for the CENTOS that matches the original Fedora release, because of 
> > the subsequent updates. It would have to look at the as-is system and 
> > try to figure out the best matching CENTOS release. I am thinking 
> > about a sum-of-squared-differences-like distance metric: calculate sum 

> > over all packages of (installed_version - CENTOS_X_version)^2, for 
> > several CENTOS_X versions, and chose the one giving the smallest 
> > value. Of course some packages (glibc, kernel) would have a higher 
> > weight, but that could be incorporated (\sum_i((v1_i-v2_i)^2/wght_i)).
> 
> Well I personally would rather have centos and other rhel clones unite 
> to support a lts release of Fedora instead since it does not take more 
> then a missing sysadmin or rhel business decision to more or less render 

> those community incapacitated....

+1

This is exactly why I've never adopted one of them.  Like the concept, but 
fear such situations.  I'd love to have a LTS for my servers and have 
something like a rolling Fedora release for *my* workstations.  Other 
workstations that I help support, perhaps something in between.

--
John Florian
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