HAving looked into it further it seems to be the name of the node that has changed.
juju deploy cs:bionic/ubuntu bionic-ubuntu juju deploy cs:focal/ubuntu focal-ubuntu juju run --unit bionic-ubuntu/0 "sudo apt install --yes crmsh pacemaker" juju run --unit focal-ubuntu/0 "sudo apt install --yes crmsh pacemaker" $ juju run --unit focal-ubuntu/0 "sudo crm status" Cluster Summary: * Stack: corosync * Current DC: node1 (version 2.0.3-4b1f869f0f) - partition with quorum * Last updated: Fri Apr 24 15:03:52 2020 * Last change: Fri Apr 24 15:02:20 2020 by hacluster via crmd on node1 * 1 node configured * 0 resource instances configured Node List: * Online: [ node1 ] Full List of Resources: * No resources $ juju run --unit bionic-ubuntu/0 "sudo crm status" Stack: corosync Current DC: juju-27f7a7-hatest2-0 (version 1.1.18-2b07d5c5a9) - partition WITHOUT quorum Last updated: Fri Apr 24 15:04:05 2020 Last change: Fri Apr 24 15:00:43 2020 by hacluster via crmd on juju-27f7a7-hatest2-0 1 node configured 0 resources configured Online: [ juju-27f7a7-hatest2-0 ] No resources -- You received this bug notification because you are a member of Ubuntu High Availability Team, which is subscribed to pacemaker in Ubuntu. https://bugs.launchpad.net/bugs/1874719 Title: Focal deploy creates a 'node1' node Status in OpenStack hacluster charm: New Status in pacemaker package in Ubuntu: New Bug description: Testing of masakari on focal zaza tests failed because the test checks that all pacemaker nodes are online. This check failed due the appearance of a new node called 'node1' which was marked as offline. I don't know where that node came from or what is supposed to represent but it seems like an unwanted change in behaviour. To manage notifications about this bug go to: https://bugs.launchpad.net/charm-hacluster/+bug/1874719/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-ha Post to : ubuntu-ha@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-ha More help : https://help.launchpad.net/ListHelp