[ClusterLabs] Corosync/Pacemaker bug methinks! (Was: pacemaker won't start because duplicate node but can't remove dupe node because pacemaker won't start)

[JC]

Adding logs (minus time stamps)

    info: crm_log_init: Changed active directory to /var/lib/pacemaker/cores
    info: get_cluster_type:     Detected an active 'corosync' cluster
    info: qb_ipcs_us_publish:   server name: pacemakerd
    info: pcmk__ipc_is_authentic_process_active:        Could not connect to lrmd IPC: Connection refused
    info: pcmk__ipc_is_authentic_process_active:        Could not connect to cib_ro IPC: Connection refused
    info: pcmk__ipc_is_authentic_process_active:        Could not connect to crmd IPC: Connection refused
    info: pcmk__ipc_is_authentic_process_active:        Could not connect to attrd IPC: Connection refused
    info: pcmk__ipc_is_authentic_process_active:        Could not connect to pengine IPC: Connection refused
    info: pcmk__ipc_is_authentic_process_active:        Could not connect to stonith-ng IPC: Connection refused
    info: corosync_node_name:   Unable to get node name for nodeid 1084777441
  notice: get_node_name:        Could not obtain a node name for corosync nodeid 1084777441
    info: crm_get_peer: Created entry ea4ec23e-e676-4798-9b8b-00af39d3bb3d/0x5555f74984d0 for node (null)/1084777441 (1 total)
    info: crm_get_peer: Node 1084777441 has uuid 1084777441
    info: crm_update_peer_proc: cluster_connect_cpg: Node (null)[1084777441] - corosync-cpg is now online
  notice: cluster_connect_quorum:       Quorum acquired
    info: crm_get_peer: Created entry 882c0feb-d546-44b7-955f-4c8a844a0db1/0x5555f7499fd0 for node postgres-sb/3 (2 total)
    info: crm_get_peer: Node 3 is now known as postgres-sb
    info: crm_get_peer: Node 3 has uuid 3
    info: crm_get_peer: Created entry 4e6a6b1e-d687-4527-bffc-5d701ff60a66/0x5555f749a6f0 for node region-ctrl-2/2 (3 total)
    info: crm_get_peer: Node 2 is now known as region-ctrl-2
    info: crm_get_peer: Node 2 has uuid 2
    info: crm_get_peer: Created entry 5532a3cc-2577-4764-b9ee-770d437ccec0/0x5555f749a0a0 for node region-ctrl-1/1 (4 total)
    info: crm_get_peer: Node 1 is now known as region-ctrl-1
    info: crm_get_peer: Node 1 has uuid 1
    info: corosync_node_name:   Unable to get node name for nodeid 1084777441
  notice: get_node_name:        Defaulting to uname -n for the local corosync node name
 warning: crm_find_peer:        Node 1084777441 and 2 share the same name: 'region-ctrl-2'
    info: crm_get_peer: Node 1084777441 is now known as region-ctrl-2
    info: pcmk_quorum_notification:     Quorum retained | membership=32 members=3
  notice: crm_update_peer_state_iter:   Node region-ctrl-1 state is now member | nodeid=1 previous=unknown source=pcmk_quorum_notification
  notice: crm_update_peer_state_iter:   Node postgres-sb state is now member | nodeid=3 previous=unknown source=pcmk_quorum_notification
  notice: crm_update_peer_state_iter:   Node region-ctrl-2 state is now member | nodeid=1084777441 previous=unknown source=pcmk_quorum_notification
    info: crm_reap_unseen_nodes:        State of node region-ctrl-2[2] is still unknown
    info: pcmk_cpg_membership:  Node 1084777441 joined group pacemakerd (counter=0.0, pid=32765, unchecked for rivals)
    info: pcmk_cpg_membership:  Node 1 still member of group pacemakerd (peer=region-ctrl-1:900, counter=0.0, at least once)
    info: crm_update_peer_proc: pcmk_cpg_membership: Node region-ctrl-1[1] - corosync-cpg is now online
    info: pcmk_cpg_membership:  Node 3 still member of group pacemakerd (peer=postgres-sb:976, counter=0.1, at least once)
    info: crm_update_peer_proc: pcmk_cpg_membership: Node postgres-sb[3] - corosync-cpg is now online
    info: pcmk_cpg_membership:  Node 1084777441 still member of group pacemakerd (peer=region-ctrl-2:3016, counter=0.2, at least once)
  pengine:     info: crm_log_init:      Changed active directory to /var/lib/pacemaker/cores
     lrmd:     info: crm_log_init:      Changed active directory to /var/lib/pacemaker/cores
     lrmd:     info: qb_ipcs_us_publish:        server name: lrmd
  pengine:     info: qb_ipcs_us_publish:        server name: pengine
      cib:     info: crm_log_init:      Changed active directory to /var/lib/pacemaker/cores
    attrd:     info: crm_log_init:      Changed active directory to /var/lib/pacemaker/cores
    attrd:     info: get_cluster_type:  Verifying cluster type: 'corosync'
    attrd:     info: get_cluster_type:  Assuming an active 'corosync' cluster
    info: crm_log_init: Changed active directory to /var/lib/pacemaker/cores
    attrd:   notice: crm_cluster_connect:       Connecting to cluster infrastructure: corosync
      cib:     info: get_cluster_type:  Verifying cluster type: 'corosync'
      cib:     info: get_cluster_type:  Assuming an active 'corosync' cluster
    info: get_cluster_type:     Verifying cluster type: 'corosync'
    info: get_cluster_type:     Assuming an active 'corosync' cluster
  notice: crm_cluster_connect:  Connecting to cluster infrastructure: corosync
    attrd:     info: corosync_node_name:        Unable to get node name for nodeid 1084777441
      cib:     info: validate_with_relaxng:     Creating RNG parser context
     crmd:     info: crm_log_init:      Changed active directory to /var/lib/pacemaker/cores
     crmd:     info: get_cluster_type:  Verifying cluster type: 'corosync'
     crmd:     info: get_cluster_type:  Assuming an active 'corosync' cluster
     crmd:     info: do_log:    Input I_STARTUP received in state S_STARTING from crmd_init
    attrd:   notice: get_node_name:     Could not obtain a node name for corosync nodeid 1084777441
    attrd:     info: crm_get_peer:      Created entry af5c62c9-21c5-4428-9504-ea72a92de7eb/0x560870420e90 for node (null)/1084777441 (1 total)
    attrd:     info: crm_get_peer:      Node 1084777441 has uuid 1084777441
    attrd:     info: crm_update_peer_proc:      cluster_connect_cpg: Node (null)[1084777441] - corosync-cpg is now online
    attrd:   notice: crm_update_peer_state_iter:        Node (null) state is now member | nodeid=1084777441 previous=unknown source=crm_update_peer_proc
    attrd:     info: init_cs_connection_once:   Connection to 'corosync': established
    info: corosync_node_name:   Unable to get node name for nodeid 1084777441
  notice: get_node_name:        Could not obtain a node name for corosync nodeid 1084777441
    info: crm_get_peer: Created entry 5bcb51ae-0015-4652-b036-b92cf4f1d990/0x55f583634700 for node (null)/1084777441 (1 total)
    info: crm_get_peer: Node 1084777441 has uuid 1084777441
    info: crm_update_peer_proc: cluster_connect_cpg: Node (null)[1084777441] - corosync-cpg is now online
  notice: crm_update_peer_state_iter:   Node (null) state is now member | nodeid=1084777441 previous=unknown source=crm_update_peer_proc
    attrd:     info: corosync_node_name:        Unable to get node name for nodeid 1084777441
    attrd:   notice: get_node_name:     Defaulting to uname -n for the local corosync node name
    attrd:     info: crm_get_peer:      Node 1084777441 is now known as region-ctrl-2
    info: corosync_node_name:   Unable to get node name for nodeid 1084777441
  notice: get_node_name:        Defaulting to uname -n for the local corosync node name
    info: init_cs_connection_once:      Connection to 'corosync': established
    info: corosync_node_name:   Unable to get node name for nodeid 1084777441
  notice: get_node_name:        Defaulting to uname -n for the local corosync node name
    info: crm_get_peer: Node 1084777441 is now known as region-ctrl-2
      cib:   notice: crm_cluster_connect:       Connecting to cluster infrastructure: corosync
      cib:     info: corosync_node_name:        Unable to get node name for nodeid 1084777441
      cib:   notice: get_node_name:     Could not obtain a node name for corosync nodeid 1084777441
      cib:     info: crm_get_peer:      Created entry a6ced2c1-9d51-445d-9411-2fb19deab861/0x55848365a150 for node (null)/1084777441 (1 total)
      cib:     info: crm_get_peer:      Node 1084777441 has uuid 1084777441
      cib:     info: crm_update_peer_proc:      cluster_connect_cpg: Node (null)[1084777441] - corosync-cpg is now online
      cib:   notice: crm_update_peer_state_iter:        Node (null) state is now member | nodeid=1084777441 previous=unknown source=crm_update_peer_proc
      cib:     info: init_cs_connection_once:   Connection to 'corosync': established
      cib:     info: corosync_node_name:        Unable to get node name for nodeid 1084777441
      cib:   notice: get_node_name:     Defaulting to uname -n for the local corosync node name
      cib:     info: crm_get_peer:      Node 1084777441 is now known as region-ctrl-2
      cib:     info: qb_ipcs_us_publish:        server name: cib_ro
      cib:     info: qb_ipcs_us_publish:        server name: cib_rw
      cib:     info: qb_ipcs_us_publish:        server name: cib_shm
      cib:     info: pcmk_cpg_membership:       Node 1084777441 joined group cib (counter=0.0, pid=0, unchecked for rivals)