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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 Horizo​​n 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)

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