大神赐教cinder 备份方面的

[root@controller ~]# cinder list
+--------------------------------------+-----------+----------+------+-------------+----------+-------------+
|                  ID                  |   Status  |   Name   | Size | Volume Type | Bootable | Attached to |
+--------------------------------------+-----------+----------+------+-------------+----------+-------------+
| abcb7477-b823-4acf-b4e4-4f832ef11d6e | available | volume21 |  1   |      -      |  false   |             |
+--------------------------------------+-----------+----------+------+-------------+----------+-------------+
[root@controller ~]# cinder backup-create --container volumes_backup --display-name backuptoswift abcb7477-b823-4acf-b4e4-4f832ef11d6e
ERROR: Service cinder-backup could not be found. (HTTP 500) (Request-ID: req-373fcbbc-6f85-4b57-b8d2-2aa893837eb1)

去看下相应的日志
/var/log/cinder