[ClusterLabs] Pacemaker 3.0.0-rc1 released

[Ken Gaillot]

Hi all,

I am very happy to announce that the first release candidate for
Pacemaker 3.0.0 is now available at:

https://github.com/ClusterLabs/pacemaker/releases/tag/Pacemaker-3.0.0-rc1

Pacemaker major version releases indicate that support for rolling
upgrades has changed. For Pacemaker 3, rolling upgrades are supported
only from Pacemaker 2 or later. (Pacemaker 1 clusters can be upgraded
in two steps, first to any Pacemaker 2 version, then to any Pacemaker 3
version.)

Very little has been added or fixed for 3.0.0; instead, the release
focuses on dropping support for deprecated features, such as Nagios and
Upstart resources and rkt bundles. Most dropped support is for features
that are long obsolete and/or undocumented and so should affect
relatively few users.

For an extensive list of all backward-incompatible changes in Pacemaker
3, see:

https://projects.clusterlabs.org/w/projects/pacemaker/pacemaker_3.0_changes/

As we move forward, all new development will be for the Pacemaker 3
series. Selected bug fixes will be backported for continued Pacemaker 2
releases for at least a few years, but major new features will not be
backported.
-- 
Ken Gaillot <kgaillot at redhat.com>