nova-scheduler start/running, process 4820
root@ruiy-controller-a:/var/log/nova# nova service-list
+----+------------------+-------------------+----------+---------+-------+------                                                                             ----------------------+-----------------+
| Id | Binary           | Host              | Zone     | Status  | State | Updat                                                                             ed_at                 | Disabled Reason |
+----+------------------+-------------------+----------+---------+-------+------                                                                             ----------------------+-----------------+
| 1  | nova-cert        | ruiy-controller-a | internal | enabled | down  | 2016-                                                                             03-20T14:19:29.000000 | -               |
| 2  | nova-consoleauth | ruiy-controller-a | internal | enabled | up    | 2016-                                                                             03-20T15:57:26.000000 | -               |
| 3  | nova-scheduler   | ruiy-controller-a | internal | enabled | up    | 2016-                                                                             03-20T15:57:27.000000 | -               |
| 4  | nova-conductor   | ruiy-controller-a | internal | enabled | up    | 2016-                                                                             03-20T15:57:27.000000 | -               |
+----+------------------+-------------------+----------+---------+-------+------                                                                             ----------------------+-----------------+
root@ruiy-controller-a:/var/log/nova# service nova-cert status
nova-cert stop/waiting
root@ruiy-controller-a:/var/log/nova# service nova-cert start
nova-cert start/running, process 5011
root@ruiy-controller-a:/var/log/nova# service nova-cert status
nova-cert start/running, process 5011
root@ruiy-controller-a:/var/log/nova# nova service-list
+----+------------------+-------------------+----------+---------+-------+----------------------------+-----------------+
| Id | Binary           | Host              | Zone     | Status  | State | Updated_at                 | Disabled Reason |
+----+------------------+-------------------+----------+---------+-------+----------------------------+-----------------+
| 1  | nova-cert        | ruiy-controller-a | internal | enabled | up    | 2016-03-20T15:57:50.000000 | -               |
| 2  | nova-consoleauth | ruiy-controller-a | internal | enabled | up    | 2016-03-20T15:57:46.000000 | -               |
| 3  | nova-scheduler   | ruiy-controller-a | internal | enabled | up    | 2016-03-20T15:57:47.000000 | -               |
| 4  | nova-conductor   | ruiy-controller-a | internal | enabled | up    | 2016-03-20T15:57:49.000000 | -               |
+----+------------------+-------------------+----------+---------+-------+----------------------------+-----------------+
root@ruiy-controller-a:/var/log/nova#