Yes this issue can be reproduced in my count env.

From attached engine.log (enable debug and verbose):
Before error,  volume "node:0-0-11:vdb:attach" had been attached to VM.
2014-11-08 20:03:08.743 12386 INFO heat.engine.resource [req-8fa4c4e2-1906-41fa-bfb3-1aa1be62800d None] Validating CinderVolumeAttachment "node:0-0-11:vdb:attach"
2014-11-08 20:03:08.744 12386 INFO heat.engine.resource [req-8fa4c4e2-1906-41fa-bfb3-1aa1be62800d None] Validating Server "node:0-0-1:server"


Attache again here?
2014-11-08 20:03:36.504 12386 INFO heat.engine.resource [-] CREATE: CinderVolumeAttachment "node:0-0-11:vdb:attach" Stack "abc301" [078e1fb1-cab6-44bb-8436-bb37d82b22cc]
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource Traceback (most recent call last):
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/resource.py", line 435, in _action_recorder
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     yield
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/resource.py", line 505, in _do_action
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     yield self.action_handler_task(action, args=handler_args)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/scheduler.py", line 286, in wrapper
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     step = next(subtask)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/resource.py", line 476, in action_handler_task
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     handler_data = handler(*args)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/resources/volume.py", line 431, in handle_create
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     attach_runner.start()
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/scheduler.py", line 190, in start
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     self.step()
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/scheduler.py", line 213, in step
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     next(self._runner)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/heat/engine/resources/volume.py", line 272, in __call__
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     device=self.device)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/novaclient/v1_1/volumes.py", line 119, in create_server_volume
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     body, "volumeAttachment")
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/novaclient/base.py", line 100, in _create
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     _resp, body = self.api.client.post(url, body=body)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 490, in post
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     return self._cs_request(url, 'POST', **kwargs)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 465, in _cs_request
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     resp, body = self._time_request(url, method, **kwargs)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 439, in _time_request
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     resp, body = self.request(url, method, **kwargs)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource   File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 433, in request
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource     raise exceptions.from_response(resp, body, url, method)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource BadRequest: Invalid volume: status must be 'available' (HTTP 400) (Request-ID: req-9b944545-f704-46fa-beb7-d50cab6a03c2)
2014-11-08 20:03:36.504 12386 TRACE heat.engine.resource