Comment 2 for bug 1375631

Additional debugging info that may be useful:

root@juju-machine-0-lxc-8:~# corosync-cfgtool -s
Printing ring status.
Local node ID 739553097
RING ID 0
    id = x.y.z.73
    status = ring 0 active with no faults

root@juju-machine-0-lxc-8:~# corosync-cmapctl | grep members
runtime.totem.pg.mrp.srp.members.739553097.config_version (u64) = 0
runtime.totem.pg.mrp.srp.members.739553097.ip (str) = r(0) ip(x.y.z.73)
runtime.totem.pg.mrp.srp.members.739553097.join_count (u32) = 1
runtime.totem.pg.mrp.srp.members.739553097.status (str) = joined
runtime.totem.pg.mrp.srp.members.739553102.config_version (u64) = 0
runtime.totem.pg.mrp.srp.members.739553102.ip (str) = r(0) ip(x.y.z.78)
runtime.totem.pg.mrp.srp.members.739553102.join_count (u32) = 1
runtime.totem.pg.mrp.srp.members.739553102.status (str) = joined
runtime.totem.pg.mrp.srp.members.739553115.config_version (u64) = 0
runtime.totem.pg.mrp.srp.members.739553115.ip (str) = r(0) ip(x.y.z.91)
runtime.totem.pg.mrp.srp.members.739553115.join_count (u32) = 1
runtime.totem.pg.mrp.srp.members.739553115.status (str) = joined

root@juju-machine-0-lxc-8:~# corosync-quorumtool -l

Membership information
----------------------
    Nodeid Votes Name
 739553097 1 x-y-z-73.maas (local)
 739553102 1 x-y-z-78.maas
 739553115 1 x-y-z-91.maas

root@juju-machine-0-lxc-8:~# crm configure show
node $id="739553097" juju-machine-0-lxc-8
node $id="739553102" juju-machine-1-lxc-4
node $id="739553115" juju-machine-2-lxc-5
primitive res_nova_eth0_vip ocf:heartbeat:IPaddr2 \
    params ip="x.y.z.105" cidr_netmask="255.255.248.0" nic="eth0"
primitive res_nova_haproxy lsb:haproxy \
    op monitor interval="5s"
group grp_nova_vips res_nova_eth0_vip
clone cl_nova_haproxy res_nova_haproxy
property $id="cib-bootstrap-options" \
    dc-version="1.1.10-42f2063" \
    cluster-infrastructure="corosync" \
    stonith-enabled="false" \
    no-quorum-policy="ignore" \
    last-lrm-refresh="1412148872"
rsc_defaults $id="rsc-options" \
    resource-stickiness="100"