Forgot to mention trace from logfile: Dec 12 20:06:42 uacloud-mgmt02-cinder-api-container-86e8e87e cinder-manage[23905]: 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage [req-3a8a32be-e65d-4f90-b0b4-beca10d13ac9 - - - - -] Error attempting to run shared_targets_online_data_migration: MessagingTimeout: Timed out waiting for a reply to message ID 76ff5fe3a1f44c0f8dc14fc28336bcb7 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage Traceback (most recent call last): 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/cinder/cmd/manage.py", line 351, in _run_migration 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage found, done = migration_meth(ctxt, count) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/cinder/cmd/manage.py", line 128, in shared_targets_online_data_migration 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage non_shared_hosts, total_vols_to_update = _get_non_shared_target_hosts(ctxt) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/cinder/cmd/manage.py", line 111, in _get_non_shared_target_hosts 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage capabilities = rpcapi.get_capabilities(ctxt, service.host, True) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/cinder/volume/rpcapi.py", line 341, in get_capabilities 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage return cctxt.call(ctxt, 'get_capabilities', discover=discover) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 179, in call 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage retry=self.retry) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/oslo_messaging/transport.py", line 133, in _send 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage retry=retry) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 584, in send 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage call_monitor_timeout, retry=retry) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 573, in _send 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage call_monitor_timeout) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 459, in wait 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage message = self.waiters.get(msg_id, timeout=timeout) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage File "/openstack/venvs/cinder-18.1.0/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 336, in get 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage 'to message ID %s' % msg_id) 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage MessagingTimeout: Timed out waiting for a reply to message ID 76ff5fe3a1f44c0f8dc14fc28336bcb7 2018-12-12 20:06:42.981 23905 ERROR cinder.cmd.manage