I didn't find the issue in stable/kilo. I tested it in devstack.
2015-07-27 16:25:51.747 DEBUG cinder.api.v2.volumes [req-f74e8a1e-1e05-45bc-a89b-a779e8af5697 admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'aaa', u'metadata': {}, u'consistencygroup_id': None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb-96f0-49c5-abca-ca5f162e4b9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/cinder/cinder/api/v2/volumes.py:312 2015-07-27 16:27:13.328 DEBUG cinder.api.v2.volumes [req-1a46fc83-83c0-4fd8-bde9-d3548db16509 admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'bbb', u'metadata': {}, u'consistencygroup_id': None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb-96f0-49c5-abca-ca5f162e4b9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/cinder/cinder/api/v2/volumes.py:312 2015-07-27 16:30:33.979 DEBUG cinder.api.v2.volumes [req-f221be26-1bc1-4204-9b79-3d3fb7617958 admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'c', u'metadata': {}, u'consistencygroup_id': None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb-96f0-49c5-abca-ca5f162e4b9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/cinder/cinder/api/v2/volumes.py:312 2015-07-27 16:44:24.031 DEBUG cinder.api.v2.volumes [req-cddb536e-7e00-4a17-8dce-af621e01d57f admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'e', u'metadata': {}, u'consistencygroup_id': None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb-96f0-49c5-abca-ca5f162e4b9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/cinder/cinder/api/v2/volumes.py:312
I didn't find the issue in stable/kilo. I tested it in devstack.
2015-07-27 16:25:51.747 DEBUG cinder. api.v2. volumes [req-f74e8a1e- 1e05-45bc- a89b-a779e8af56 97 admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_ zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'aaa', u'metadata': {}, u'consistencygr oup_id' : None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb- 96f0-49c5- abca-ca5f162e4b 9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/ cinder/ cinder/ api/v2/ volumes. py:312 api.v2. volumes [req-1a46fc83- 83c0-4fd8- bde9-d3548db165 09 admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_ zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'bbb', u'metadata': {}, u'consistencygr oup_id' : None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb- 96f0-49c5- abca-ca5f162e4b 9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/ cinder/ cinder/ api/v2/ volumes. py:312 api.v2. volumes [req-f221be26- 1bc1-4204- 9b79-3d3fb76179 58 admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_ zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'c', u'metadata': {}, u'consistencygr oup_id' : None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb- 96f0-49c5- abca-ca5f162e4b 9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/ cinder/ cinder/ api/v2/ volumes. py:312 api.v2. volumes [req-cddb536e- 7e00-4a17- 8dce-af621e01d5 7f admin] Create volume request body: {u'volume': {u'status': u'creating', u'user_id': None, u'description': u'', u'imageRef': None, u'availability_ zone': None, 'scheduler_hints': {}, u'attach_status': u'detached', u'source_volid': None, u'name': u'e', u'metadata': {}, u'consistencygr oup_id' : None, u'volume_type': u'lvm', u'snapshot_id': u'76209bfb- 96f0-49c5- abca-ca5f162e4b 9f', u'project_id': None, u'source_replica': None, u'size': 1}} create /opt/stack/ cinder/ cinder/ api/v2/ volumes. py:312
2015-07-27 16:27:13.328 DEBUG cinder.
2015-07-27 16:30:33.979 DEBUG cinder.
2015-07-27 16:44:24.031 DEBUG cinder.