主机断电后,openstack cinder 卷已进入无法附加或分离的状态。
~$ nova volume-attach ### ###
ERROR: Invalid volume: already attached (HTTP 400) (Request-ID: req-###)
~$ nova volume-detach ### ###
ERROR: Invalid volume: already detached (HTTP 400) (Request-ID: req-###)
其自身的卷的状态列为已附加
cinder list
+-----+-----------+---------------------+------+-------------+----------+-------------+
| ID | Status | Display Name | Size | Volume Type | Bootable | Attached to |
+-----+-----------+---------------------+------+-------------+----------+-------------+
| ### | available | volume-data | 690 | Storage | false | ### |
+-----+-----------+---------------------+------+-------------+----------+-------------+
即使在 cli 和 Horizon 中列为附加卷,在实例上也找不到该卷(在 /dev/ 中找不到该设备,在 /mnt/ 中也找不到挂载点)