HA Cluster Summit 2020

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ClusterLabs Summit 2020 attendees


  • What: ClusterLabs Summit 2020
  • Where: Brno, Czechia
  • When: Wednesday-Thursday, 5-6 February 2020
  • Why: Bring together developers and users of high-availability clustering software distributed by ClusterLabs
  • How much: Free

What attendees need to know

The summit was held at Red Hat's TPB-B building at Purkyňova 111, 612 00 Brno - Královo Pole, Czechia. The closest tram stop is "Technologicky park".

We have a limited number of rooms at the Hotel Continental available for a discounted rate. If you are interested, email Ken Gaillot for details.

Parking is limited at the site, so it is best to take public transportation from your hotel or other location. Take tram line #12 to the ‘Technologický park’ stop, which is directly in front of the summit site. The summit is at the Red Hat building with a ‘B’ in front. From the Hotel Continental, you can take a short walk to the ‘Ceska’ tram stop and then take the #12 tram to ‘Technologický park’. Google Maps has good transit instructions from other locations.

Organization Number of people expected to attend Names (optional)
Alteeve 1 Madison Kelly
Canonical 1 Rafael David Tinoco
KIFÜ 1 Ferenc Wágner
Linbit 2 Robert Altnoeder, Lars Ellenberg
NTT 2 Keisuke MORI, Takumi Takafuji
Proxmox 1 Thomas Lamprecht
Red Hat 20-23 Oyvind Albrigsten, Michele Baldessari, Damien Cabrini, Chrissie Caulfield, Ivan Devat, Chris Feist, Jan Friesse, Ken Gaillot, Marek Grac, Tomas Jelinek, Steven Levine, Miroslav Lisik, Chris Lumens, Markus Moster, Ondrej Mular, Jan Pokorny, Michael Pospisil, Cole Towsley, Klaus Wenninger, Josef Zimek, also attending some sessions might be Jesus Serrano, Martin Durcansky, and Ondrej Benes
SUSE 11 Diego Akechi, Abdelrahman Mohamed


Wednesday, 2020 Feb 5

Time Topic Presenter
9:00 Informal coffee and chat
9:30 Introductions
10:00 What's new in knet this year? [ slides ] Chrissie Caulfield
10:40 Corosync/Qdevice recent changes and future plans [ slides ] Jan Friesse
11:20 SBD recent changes and future plans [ slides ] Klaus Wenninger
12:00 Lunch provided by Red Hat
13:00 DRBD 9: multi-node, multi-site, quorum, and LINSTOR Lars Ellenberg and Robert Altnoeder
14:00 Anvil! M3: RHEL 8 + Pacemaker 2 + knet/corosync 3 + DRBD 9 VM [ slides ] Madison Kelly
15:00 Break
15:15 Pacemaker recent changes and plans [ slides ] Ken Gaillot
16:00 ClusterLabs stack experience in Ubuntu, including alternate architectures [ slides ] Rafael David Tinoco
17:00 Gather for dinner and drinks at Stopkova Plzenska Pivnice

Thursday, 2020 Feb 6

Time Topic Presenter
9:00 Informal coffee and chat
9:30 ClusterLabs+OpenStack: what works well, and what doesn't [ slides ] Michele Baldessari
10:20 OpenShift/Kubernetes Current Status/Challenges [ slides ] Ondrej Mular
11:10 pcs recent changes and future plans [ slides ] Tomáš Jelínek
12:00 Lunch provided by Red Hat
13:00 Cluster Deployment Automation using Salt [ slides ] Xabier Arbulu Insausti
14:00 Cluster Monitoring using ha_cluster_exporter, Prometheus and Grafana [ slides ] Diego Akechi
15:00 Break
15:15 Resource agent testing framework [ slides ] Damien Ciabrini
16:00 Group brainstorming session: pain points and desired features [ Trello board ]
17:00 Gather for dinner and drinks

Post-summit survey

Just in case somebody, like me, missed the feedback survey link, you are welcome at https://tinyurl.com [SLASH] CL2020survey (leads to Google Forms, also, not sure if there are any anti-spam concerns, so didn't make it a link right away — anybody interested will hopefully take 5 extra seconds for manual tweak of the link).


Cluster deployment talk by Xabier Arbulu
Summit attendees listen to a talk
Pcs talk by Tomáš Jelínek
SBD talk by Klaus Wenninger
Kubernetes talk by Ondrej Mular
Summit attendees listen to a talk
Agent testing talk by Damien Ciabrini
OpenStack talk by Michele Baldessari
Pacemaker anime poster designed by NTT colleague
Dinner at Stopkova Plzenska Pivnice
Ubuntu CI talk by Rafael David Tinoco
Cluster monitoring talk by Diego Akechi