diff --git a/ansible-role-requirements.yml b/ansible-role-requirements.yml
index c6d59ed416..949d90b9bb 100644
--- a/ansible-role-requirements.yml
+++ b/ansible-role-requirements.yml
@@ -283,6 +283,11 @@
   src: https://github.com/logan2211/ansible-haproxy-endpoints
   version: master
   trackbranch: master
+- name: pacemaker_corosync
+  scm: git
+  src: https://github.com/noonedeadpunk/ansible-pacemaker-corosync
+  trackbranch: master
+  version: master
 - name: nspawn_container_create
   src: https://opendev.org/openstack/openstack-ansible-nspawn_container_create
   scm: git
diff --git a/etc/openstack_deploy/conf.d/masakari.yml.aio b/etc/openstack_deploy/conf.d/masakari.yml.aio
index 02eb4b6a40..f7e1bf1c4f 100644
--- a/etc/openstack_deploy/conf.d/masakari.yml.aio
+++ b/etc/openstack_deploy/conf.d/masakari.yml.aio
@@ -1,4 +1,8 @@
 ---
 masakari-infra_hosts:
   aio1:
-    ip: 172.29.236.100
\ No newline at end of file
+    ip: 172.29.236.100
+
+masakari-monitor_hosts:
+  aio1:
+    ip: 172.29.236.100
diff --git a/etc/openstack_deploy/conf.d/masakari.yml.example b/etc/openstack_deploy/conf.d/masakari.yml.example
index 07d9b04645..f5376f413a 100644
--- a/etc/openstack_deploy/conf.d/masakari.yml.example
+++ b/etc/openstack_deploy/conf.d/masakari.yml.example
@@ -6,4 +6,13 @@ masakari-infra_hosts:
   infra2:
     ip: 172.20.236.112
   infra3:
-    ip: 172.20.236.113
\ No newline at end of file
+    ip: 172.20.236.113
+
+# The infra nodes that will be running the masakari monitors
+masakari-monitor_hosts:
+  infra1:
+    ip: 172.20.236.111
+  infra2:
+    ip: 172.20.236.112
+  infra3:
+    ip: 172.20.236.113
diff --git a/inventory/group_vars/masakari-monitor_hosts.yml b/inventory/group_vars/masakari-monitor_hosts.yml
new file mode 100644
index 0000000000..9e86c80f1c
--- /dev/null
+++ b/inventory/group_vars/masakari-monitor_hosts.yml
@@ -0,0 +1,16 @@
+---
+# Copyright 2020, Dmitriy Rabotyagov <noonedeadpunk@ya.ru>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+masakari_monitor_corosync_multicast_interface: "br-mgmt"
diff --git a/playbooks/os-masakari-install.yml b/playbooks/os-masakari-install.yml
index 23693ed5c5..39ca829f47 100644
--- a/playbooks/os-masakari-install.yml
+++ b/playbooks/os-masakari-install.yml
@@ -19,6 +19,18 @@
   tags:
     - always
 
+- name: Setup corosync cluster
+  hosts: masakari_monitor
+  gather_facts: false
+  user: root
+  vars:
+    pacemaker_corosync_group: masakari_monitor
+    pacemaker_corosync_ring_interface: "{{ masakari_monitor_corosync_multicast_interface }}"
+    haveged_enabled: false
+  roles:
+    - role: "pacemaker_corosync"
+      tags: pacemaker-corosync
+
 - name: Install the masakari components
   hosts: masakari_all
   gather_facts: false
diff --git a/releasenotes/notes/masakari-corosync-cluster-2be3f4a1e2a38fe1.yaml b/releasenotes/notes/masakari-corosync-cluster-2be3f4a1e2a38fe1.yaml
new file mode 100644
index 0000000000..09ffea465b
--- /dev/null
+++ b/releasenotes/notes/masakari-corosync-cluster-2be3f4a1e2a38fe1.yaml
@@ -0,0 +1,7 @@
+---
+features:
+  - |
+    OpenStack-Ansible now provided corosync and pacemaker cluster setup as part
+    of the os-masakari-install playbook. Corosync/pacemaker cluster is required
+    for the proper work of masakari hostmonitors, as they identify hosts state
+    with help of corosync.
diff --git a/scripts/log-collect.sh b/scripts/log-collect.sh
index 9a634849c7..53296c77ca 100755
--- a/scripts/log-collect.sh
+++ b/scripts/log-collect.sh
@@ -40,6 +40,7 @@ COMMON_ETC_LOG_NAMES="apt \
     apache2 \
     auditd \
     calico \
+    corosync \
     ceph \
     etcd \
     ganesha \
@@ -53,6 +54,7 @@ COMMON_ETC_LOG_NAMES="apt \
     network \
     nginx \
     openstack_deploy \
+    pacemaker \
     pip.conf \
     qpid-dispatch \
     rabbitmq \
diff --git a/tests/test_inventory.py b/tests/test_inventory.py
index 77b6722816..8136a13375 100644
--- a/tests/test_inventory.py
+++ b/tests/test_inventory.py
@@ -312,6 +312,7 @@ class TestAnsibleInventoryFormatConstraints(unittest.TestCase):
         'masakari-infra_containers',
         'masakari-infra_hosts',
         'masakari_monitor',
+        'masakari-monitor_all',
         'masakari-monitor_containers',
         'masakari_monitors_container',
         'masakari-monitor_hosts',