Unfortunately after starting up 8 different instances (yes really), I was not able to reproduce this behavior. Here's an example:
$ cinder create 5 $ cinder list +--------------------------------------+-----------+--------------+------+-------------+-------------+ | ID | Status | Display Name | Size | Volume Type | Attached to | +--------------------------------------+-----------+--------------+------+-------------+-------------+ | 8d5ecba7-98fa-4c56-b3d8-ef6f8920a5a6 | available | None | 5 | None | | +--------------------------------------+-----------+--------------+------+-------------+-------------+ $ cinder snapshot-create 8d5ecba7-98fa-4c56-b3d8-ef6f8920a5a6 $ cinder snapshot-list +--------------------------------------+--------------------------------------+-----------+--------------+------+ | ID | Volume ID | Status | Display Name | Size | +--------------------------------------+--------------------------------------+-----------+--------------+------+ | 3f7f89ad-7d6d-462c-a145-009b73065595 | 8d5ecba7-98fa-4c56-b3d8-ef6f8920a5a6 | available | None | 5 | +--------------------------------------+--------------------------------------+-----------+--------------+------+ $ cinder snapshot-delete 3f7f89ad-7d6d-462c-a145-009b73065595 $ cinder snapshot-list +--------------------------------------+--------------------------------------+----------+--------------+------+ | ID | Volume ID | Status | Display Name | Size | +--------------------------------------+--------------------------------------+----------+--------------+------+ | 3f7f89ad-7d6d-462c-a145-009b73065595 | 8d5ecba7-98fa-4c56-b3d8-ef6f8920a5a6 | deleting | None | 5 | +--------------------------------------+--------------------------------------+----------+--------------+------+ $ cinder snapshot-list
$
Unfortunately after starting up 8 different instances (yes really), I was not able to reproduce this behavior. Here's an example:
$ cinder create 5 ------- ------- ------- ------- ----+-- ------- --+---- ------- ---+--- ---+--- ------- ---+--- ------- ---+ ------- ------- ------- ------- ----+-- ------- --+---- ------- ---+--- ---+--- ------- ---+--- ------- ---+ 98fa-4c56- b3d8-ef6f8920a5 a6 | available | None | 5 | None | | ------- ------- ------- ------- ----+-- ------- --+---- ------- ---+--- ---+--- ------- ---+--- ------- ---+ 98fa-4c56- b3d8-ef6f8920a5 a6 ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- -+----- ------+ ------- ------- +------ + ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- -+----- ------+ ------- ------- +------ + 7d6d-462c- a145-009b730655 95 | 8d5ecba7- 98fa-4c56- b3d8-ef6f8920a5 a6 | available | None | 5 | ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- -+----- ------+ ------- ------- +------ + 7d6d-462c- a145-009b730655 95 ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- -+----- -----+- ------- ------+ ------+ ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- -+----- -----+- ------- ------+ ------+ 7d6d-462c- a145-009b730655 95 | 8d5ecba7- 98fa-4c56- b3d8-ef6f8920a5 a6 | deleting | None | 5 | ------- ------- ------- ------- ----+-- ------- ------- ------- ------- ------- -+----- -----+- ------- ------+ ------+
$ cinder list
+------
| ID | Status | Display Name | Size | Volume Type | Attached to |
+------
| 8d5ecba7-
+------
$ cinder snapshot-create 8d5ecba7-
$ cinder snapshot-list
+------
| ID | Volume ID | Status | Display Name | Size |
+------
| 3f7f89ad-
+------
$ cinder snapshot-delete 3f7f89ad-
$ cinder snapshot-list
+------
| ID | Volume ID | Status | Display Name | Size |
+------
| 3f7f89ad-
+------
$ cinder snapshot-list
$