一 重启openstack的整个服务
openstack-service restart
[root@controller0 ~]# openstack-service restart
Stopping neutron: [ OK ]
Starting neutron: [ OK ]
Stopping openstack-glance-api: [ OK ]
Starting openstack-glance-api: [ OK ]
Stopping openstack-glance-registry: [ OK ]
Starting openstack-glance-registry: [ OK ]
Stopping keystone: [ OK ]
Starting keystone: [ OK ]
Stopping openstack-nova-api: [ OK ]
Starting openstack-nova-api: [ OK ]
Stopping openstack-nova-cert: [ OK ]
Starting openstack-nova-cert: [ OK ]
Stopping openstack-nova-conductor: [ OK ]
Starting openstack-nova-conductor: [ OK ]
Stopping openstack-nova-consoleauth: [ OK ]
Starting openstack-nova-consoleauth: [ OK ]
Stopping openstack-nova-novncproxy: [ OK ]
Starting openstack-nova-novncproxy: [ OK ]
Stopping openstack-nova-scheduler: [ OK ]
Starting openstack-nova-scheduler: [ OK ]
二 重启dashboard
service httpd restart
service memcached restart
[root@controller0 ~]# service httpd restart
Stopping httpd: [ OK ]
Starting httpd: httpd: Could not reliably determine the server's fully qualified domain name, using 10.20.0.10 for ServerName
[ OK ]
[root@controller0 ~]# service mem