I have an environment with the same behavior in a Bionic VM that does not use charm.
Preparing to unpack .../pacemaker_1.1.18-0ubuntu1.3_amd64.deb ... Unpacking pacemaker (1.1.18-0ubuntu1.3) over (1.1.18-0ubuntu1.1) ... Log ended: 2020-11-11 06:54:05 After the upgrade, there was an IP(master/vip) switch between the nodes that left the environment unavailable. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1903745 Title: pacemaker left stopped after unattended-upgrade of pacemaker (1.1.14-2ubuntu1.8 -> 1.1.14-2ubuntu1.9) To manage notifications about this bug go to: https://bugs.launchpad.net/charm-hacluster/+bug/1903745/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs