I've hit this bug on juju 2.3.2 on ceph jujucharms 279.
From logs -
2018-02-12 18:01:03 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:09 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:14 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:20 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:26 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:31 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:37 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:42 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:48 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:54 INFO juju-log mon:1: Waiting for quorum to be reached
I've hit this bug on juju 2.3.2 on ceph jujucharms 279.
From logs -
2018-02-12 18:01:03 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:09 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:14 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:20 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:26 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:31 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:37 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:42 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:48 INFO juju-log mon:1: Waiting for quorum to be reached
2018-02-12 18:01:54 INFO juju-log mon:1: Waiting for quorum to be reached