启动openstack-nova-api.service 报错：ERROR nova error: [Errno 98] Address already in use

启动openstack-nova-api.service 报错：ERROR nova error: [Errno 98] Address already in use
nova service-list
Unable to establish connection to http://controller:8774/v2.1: HTTPConnectionPool(host='controller', port=8774): Max retries exceeded with url: /v2.1 (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f7a5fe340d0>: Failed to establish a new connection: [Errno -2] Name or service not known',))

img

Address already in use nova service-list
是否 地址 配置错了？ 报错提示你，地址已经被用了哦。

nova service-list 查看一下服务，可能是你已经启动，杀掉进程，或者重启机器