2020-04-27 13:17:52.742 TRACE cinder.volume.manager Traceback (most recent call last):
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/manager.py", line 1534, in _clone_image_volume
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     self.create_volume(ctx, image_volume, allow_reschedule=False)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "</opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/decorator.pyc:decorator-gen-673>", line 2, in create_volume
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/objects/cleanable.py", line 208, in wrapper
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     result = f(*args, **kwargs)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/manager.py", line 749, in create_volume
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     _run_flow()
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/manager.py", line 741, in _run_flow
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     flow_engine.run()
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/taskflow/engines/action_engine/engine.py", line 247, in run
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     for _state in self.run_iter(timeout=timeout):
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/taskflow/engines/action_engine/engine.py", line 340, in run_iter
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     failure.Failure.reraise_if_any(er_failures)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/taskflow/types/failure.py", line 339, in reraise_if_any
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     failures[0].reraise()
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/taskflow/types/failure.py", line 346, in reraise
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     six.reraise(*self._exc_info)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/taskflow/engines/action_engine/executor.py", line 53, in _execute_task
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     result = task.execute(**arguments)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/flows/manager/create_volume.py", line 984, in execute
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     context, volume, **volume_spec)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/flows/manager/create_volume.py", line 483, in _create_from_source_volume
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     model_update = self.driver.create_cloned_volume(volume, srcvol_ref)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "</opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/decorator.pyc:decorator-gen-691>", line 2, in create_cloned_volume
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/coordination.py", line 151, in _synchronized
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     return f(*a, **k)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/drivers/remotefs.py", line 1705, in create_cloned_volume
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     src_vref.obj_context)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/drivers/remotefs.py", line 1071, in _create_cloned_volume
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     self._create_snapshot(temp_snapshot)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/drivers/remotefs.py", line 1448, in _create_snapshot
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     self._validate_state(status, acceptable_states)
2020-04-27 13:17:52.742 TRACE cinder.volume.manager   File "/opt/pf9/pf9-cindervolume-base/lib/python2.7/site-packages/cinder/volume/drivers/remotefs.py", line 266, in _validate_state
2020-04-27 13:17:52.742 TRACE cinder.volume.manager     current_state=current_state))
2020-04-27 13:17:52.742 TRACE cinder.volume.manager InvalidVolume: Invalid volume state. Acceptable states for this operation: ['available', 'in-use', 'backing-up']. Current volume state: downloading.