错题集：ERROR: Unable to establish connection to http://ct:8776/
ERROR: Unable to establish connection to http://ct:8776/: HTTPConnectionPool(host=‘ct’, port=8776): Max retries exceeded with url: / (Caused by NewConnectionError(’<urllib3.connection.HTTPConnection object at 0x7fe907616f50>: Failed to establish a new connection: [Errno 111] Connection refused’,))
When configuring the cinder service, when the verification node reports an error
[root@ct ~]# cinder service-list
Solution: restart the service
root@ct ~]# systemctl restart httpd.service
[root@ct ~]# systemctl restart memcached.service
[root@ct ~]# systemctl restart openstack-cinder-scheduler.service openstack-cinder-api.service
[root@ct ~]# systemctl restart openstack-cinder-volume.service target.service
target.service
