[ClusterLabs] Pacemaker 2.0.0-rc1 now available

Ken Gaillot kgaillot at redhat.com
Fri Feb 16 16:08:18 EST 2018

On Fri, 2018-02-16 at 15:06 -0600, Ken Gaillot wrote:
> Source code for the first release candidate for Pacemaker version
> 2.0.0
> is now available at:
>   https://github.com/ClusterLabs/pacemaker/releases/tag/Pacemaker-2.0
> .0
> -rc1
> The main goal of the change from Pacemaker 1 to 2 is to drop support
> for deprecated legacy usage, in order to make the code base more
> maintainable going into the future. As such, this release involves a
> net drop of more than 20,000 lines of code!
> Rolling (live) upgrades are possible only from Pacemaker 1.1.11 or
> later, on top of corosync 2. Other setups can be upgraded with the
> cluster stopped.
> It is recommended to run "cibadmin --upgrade" (or the equivalent in
> your higher-level tool of choice) both before and after the upgrade.
> The final 2.0.0 release will automatically transform most of the
> dropped older syntax to the newer form. However, this functionality
> is
> not yet complete in rc1.
> The most significant changes in this release include:
> * Support has been dropped for heartbeat and corosync 1 (whether
> using
> CMAN or plugin), and many legacy aliases for cluster options
> (including
> default-resource-stickiness, which should be set as resource-
> stickiness 
> in rsc_defaults instead).
> * The default location of the Pacemaker detail log is now
> /var/log/pacemaker/pacemaker.log, and Pacemaker will no longer use
> Corosync's logging preferences. Options are available in the
> configure
> script to change the default log locations.
> * The master XML tag is deprecated (though still supported) in favor
> of
> using the standard clone tag with a new "promotable" meta-attribute
> set
> to true. The "master-max" and "master-node-max" master meta-
> attributes
> are deprecated in favor of new "promoted-max" and "promoted-node-max"
> clone meta-attributes. Documentation now refers to these as
> promotable
> clones rather than master/slave, stateful or multistate clones.
> * The record-pending option now defaults to true, which means pending
> actions will be shown in status displays.
> * Three minor regressions introduced in 1.1.18, and one introduced in
> 1.1.17, have been fixed.
> More details are available in the change log:
>   https://github.com/ClusterLabs/pacemaker/blob/2.0/ChangeLog
> and in a special wiki page for the 2.0 release:
>   https://wiki.clusterlabs.org/wiki/Pacemaker_2.0_Changes
> Everyone is encouraged to download, compile and test the new release.
> We do many regression tests and simulations, but we can't cover all
> possible use cases, so your feedback is important and appreciated.
> Many thanks to all contributors of source code to this release,
> including 

Whoops, hit send too soon :)

Andrew Beekhof, Bin Liu, Gao,Yan, Jan Pokorný, and Ken Gaillot
Ken Gaillot <kgaillot at redhat.com>

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