# cinder list
+--------------------------------------+-----------+------+------+-------------+----------+-------------+--------------------------------------+
| ID | Status | Name | Size | Volume Type | Bootable | Multiattach | Attached to |
+--------------------------------------+-----------+------+------+-------------+----------+-------------+--------------------------------------+
| 30de7914-e19f-4e38-b804-998626ce3a34 | available | | 25 | - | true | False | |
| 5d666cd7-2864-4a8b-8e6c-4de99f85b1cf | in-use | | 25 | - | true | False | b6426a78-2749-4620-a3ef-2be1dc53c9ba |
| 89266e62-f4d9-4092-88e9-bc156a936c53 | in-use | | 25 | - | true | False | 760b5f13-8289-4703-8008-f3f56572c9f7 |
+--------------------------------------+-----------+------+------+-------------+----------+-------------+--------------------------------------+
:: Cinder Volume available
# cinder snapshot-create --display-name "snapshot" 30de7914-e19f-4e38-b804-998626ce3a34
+-------------+--------------------------------------+
| Property | Value |
+-------------+--------------------------------------+
| created_at | 2016-03-03T02:56:40.550399 |
| description | None |
| id | 611924dc-16bd-4471-97f6-296d4d326a08 |
| metadata | {} |
| name | snapshot |
| size | 25 |
| status | creating |
| volume_id | 30de7914-e19f-4e38-b804-998626ce3a34 |
+-------------+--------------------------------------+
:: Cinder Volume in-use
# cinder snapshot-create --display-name "20160304" 5d666cd7-2864-4a8b-8e6c-4de99f85b1cf
ERROR: Invalid volume: Volume 5d666cd7-2864-4a8b-8e6c-4de99f85b1cf status must be available, but current status is: in-use. (HTTP 400) (Request-ID: req-4396d208-6f56-4093-be64-c1d9bbee3d1f)
:: Cinder Volume in-use --force 옵션사용
# cinder snapshot-create --display-name "20160304" 5d666cd7-2864-4a8b-8e6c-4de99f85b1cf --force
+-------------+--------------------------------------+
| Property | Value |
+-------------+--------------------------------------+
| created_at | 2016-03-03T04:25:32.274123 |
| description | None |
| id | 1a3b9c6a-21d4-4aaa-bac0-e53b7d033c0b |
| metadata | {} |
| name | 20160304 |
| size | 25 |
| status | creating |
| volume_id | 5d666cd7-2864-4a8b-8e6c-4de99f85b1cf |
+-------------+--------------------------------------+
