[ClusterLabs] Anvil! M3 v3.1.0 is available at alteeve.com!

[Madison Kelly]

Hello everyone,

The final release of The Anvil! v3.1.0 is now available at:

https://github.com/ClusterLabs/anvil/releases/tag/v3.1.0

This release is the first major update to the M3 branch. Updates can be
applied by running 'striker-update-cluster' from any Striker console.

Major changes;
- Added Striker UI support for changing server configurations, including
   un/plugging (virtual) network cables.
- Improved server and node display in Striker, including condensed server
   display for sites with a large number of servers.
- Added support for server boot ordering.
- Improved management of subnodes in Striker.
- Significantly improved firewalld support.
- Micro-Anvil! support added. Any network/fence config is allowed/supported
   (with some loss of infra redundancy).
- Dropped support for CentOS Stream 8. Support for RHEL 8 is deprecated.

Minor changes;
- Added custom NTP support.
- Fixed a bug that prevented adding disks to offline hosts.
- Reworked Striker calls to use sockets for more resiliency.
- Reworked and improved Striker's server provision script.
- Improved job progress display support in Striker.
- Reworked so password updates could update all hosts in the Anvil! cluster.
- Multiple back-end tasks create jobs on peers instead of throwing
   "wrong host" errors.
- Improved handling of rebuild cluster member's updated SSH keys.
- Updated ocf:alteeve:server to start DRBD resources on pcmk peer only.
- Many minor bug fixes.

Installation instructions are available on the wiki;
* https://www.alteeve.com/w/Build_an_M3_Anvil!_Cluster

Support is available on this list, and from Alteeve;
* https://www.alteeve.com/w/Support

Many thanks to all contributors to this release!

Madison Kelly (digimer)

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