[ClusterLabs] Planning for Pacemaker 3

[Ken Gaillot]

On Thu, 2024-01-25 at 10:31 +0100, Jehan-Guillaume de Rorthais wrote:
> On Wed, 24 Jan 2024 16:47:54 -0600
> Ken Gaillot <kgaillot at redhat.com> wrote:
> ...
> > > Erm. Well, as this is a major upgrade where we can affect
> > > people's
> > > conf and
> > > break old things & so on, I'll jump in this discussion with a
> > > wishlist to
> > > discuss :)
> > >   
> > 
> > I made sure we're tracking all these (links below),
> 
> Thank you Ken, for creating these tasks. I subscribed to them, but it
> seems I
> can not discuss on them (or maybe I failed to find how to do it).

Hmm, that's bad news. :( I don't immediately see a way to allow
comments without making the issue fully editable. Hopefully we can find
some configuration magic ...

> 
> > but realistically we're going to have our hands full dropping all
> > the
> > deprecated stuff in the time we have.
> 
> Let me know how I can help on these subject. Also, I'm still silently
> sitting on
> IRC chan if needed.
>
> 
> > Most of these can be done in any version.
> 
> Four out of seven can be done in any version. For the three other
> left, in my
> humble opinion and needs from the PAF agent point of view:
> 
> 1. «Support failure handling of notify actions»
>    https://projects.clusterlabs.org/T759
> 2. «Change allowed range of scores and value of +/-INFINITY»
>    https://projects.clusterlabs.org/T756
> 3. «Default to sending clone notifications when agent supports it»
>    https://projects.clusterlabs.org/T758
> 
> The first is the most important as it allows to implement an actual
> election
> before the promotion, breaking the current transition if promotion
> score doesn't
> reflect the reality since last monitor action. Current PAF's code
> makes a lot of
> convolution to have a decent election mechanism preventing the
> promotion of a
> lagging node.
> 
> The second one would help removing some useless complexity from some
> resource
> agent code (at least in PAF).
> 
> The third one is purely for confort and cohesion between actions
> setup.
>
> Have a good day!
> 
> Regards,
> 
-- 
Ken Gaillot <kgaillot at redhat.com>