This is newton openstack AFAIKs. var/log/juju/unit-hacluster-nova-cloud-controller-0.log:2017-11-16 12:18:10 DEBUG install Get:49 http://archive.ubuntu.com/ubuntu xenial/universe ... Which charm release though: 17.02, 17.08 or something else? Could you please paste the relevant "juju status" with charm revision numbers? Otherwise it's hard to say where this may be coming from. On a "bad" hacluster there's a CIB rendered that doesn't pass DTD validation. Updated CIB does not validate against pacemaker-2.4 schema/dtd See below: hacluster unit log (bad): Nov 16 12:22:53 [169497] juju-37c0a4-1-lxd-4 cib: warning: cib_process_request: Completed cib_apply_diff operation for section 'all': Update does not conform to the configured schema (rc=-203, origin=juju-37c0a4-2-lxd-4/cibadmin/2, version=0.8.16) Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: Diff: --- 0.8.16 2 Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: Diff: +++ 0.9.0 (null) Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: + /cib: @epoch=9, @num_updates=0 Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: ++ /cib/configuration/resources: Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Expecting an element meta_attributes, got nothing Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Invalid sequence in interleave Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Element group failed to validate content Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Element resources has extra content: group Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: warning: cib_perform_op: Updated CIB does not validate against pacemaker-2.4 schema/dtd Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: warning: cib_diff_notify: Update (client: cibadmin, call:2): 0.8.16 -> 0.9.0 (Update does not conform to the configured schema) Nov 16 12:23:09 [169497] juju-37c0a4-1-lxd-4 cib: warning: cib_process_request: Completed cib_apply_diff operation for section 'all': Update does not conform to the configured schema (rc=-203, origin=juju-37c0a4-0-lxd-4/cibadmin/2, version=0.8.16) Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: Diff: --- 0.8.16 2 Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: Diff: +++ 0.9.0 (null) Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: + /cib: @epoch=9, @num_updates=0 Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: info: cib_perform_op: ++ /cib/configuration/resources: Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Expecting an element meta_attributes, got nothing Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Invalid sequence in interleave Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Element clone failed to validate content Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: error: xml_log: Element resources has extra content: clone Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: warning: cib_perform_op: Updated CIB does not validate against pacemaker-2.4 schema/dtd Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: warning: cib_diff_notify: Update (client: cibadmin, call:2): 0.8.16 -> 0.9.0 (Update does not conform to the configured schema) Nov 16 12:23:10 [169497] juju-37c0a4-1-lxd-4 cib: warning: cib_process_request: Completed cib_apply_diff operation for section 'all': Update does not conform to the configured schema (rc=-203, origin=juju-37c0a4-0-lxd-4/cibadmin/2, version=0.8.16) Nov 16 12:36:09 [169502] juju-37c0a4-1-lxd-4 crmd: notice: do_state_transition: State transition S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC cause=C_TIMER_POPPED origin=crm_timer_popped ] nova-cloud-controller unit (bad): 017-11-16 12:22:38 DEBUG juju-log ha:86: Configuring Groups: {'grp_nova_vips': 'res_nova_eth0_vip res_nova_eth1_vip'} 2017-11-16 12:22:38 DEBUG ha-relation-changed ERROR: grp_nova_vips refers to missing object res_nova_eth0_vip 2017-11-16 12:22:38 DEBUG ha-relation-changed ERROR: grp_nova_vips refers to missing object res_nova_eth1_vip 2017-11-16 12:22:38 DEBUG ha-relation-changed ERROR: syntax in group: Expected at least 2 arguments near parsing 'group grp_nova_vips' 2017-11-16 12:22:38 DEBUG ha-relation-changed Call cib_apply_diff failed (-203): Update does not conform to the configured schema 2017-11-16 12:22:38 DEBUG ha-relation-changed