[CINDER] Volume stays in a downloading state

[Viktoria Efimova]

api: '1.0'
astute_sha: 5d570ae5e03909182db8e284fbe6e4468c0a4e3e
auth_required: true
build_id: 2015-05-29_17-57-31
build_number: '480'
feature_groups:
- mirantis
fuel-library_sha: 6461ed55d75d267d6ef9eca835011313c4d70a30
fuel-ostf_sha: 7413186490e8d651b8837b9eee75efa53f5e230b
fuelmain_sha: 6b5712a7197672d588801a1816f56f321cbceebd
nailgun_sha: 3830bdcb28ec050eed399fe782cc3dd5fbf31bde
openstack_version: 2014.2.2-6.1
production: docker
python-fuelclient_sha: 4fc55db0265bbf39c369df398b9dc7d6469ba13b
release: '6.1'

Deployment:
Centos,IBP, Neutron-vlan,Сeph-all,Nova-debug,nova-quotas,6.1_480 Controllers:3 Computes:3

Rally cinder test failes with
Traceback (most recent call last):
  File "/opt/stack/.venv/lib/python2.7/site-packages/rally/benchmark/runners/base.py", line 79, in _run_scenario_once
    method_name)(**kwargs) or scenario_output
  File "/opt/stack/.venv/lib/python2.7/site-packages/rally/benchmark/scenarios/cinder/volumes.py", line 111, in create_and_delete_volume
    volume = self._create_volume(size, **kwargs)
  File "/opt/stack/.venv/lib/python2.7/site-packages/rally/benchmark/scenarios/base.py", line 262, in func_atomic_actions
    f = func(self, *args, **kwargs)
  File "/opt/stack/.venv/lib/python2.7/site-packages/rally/benchmark/scenarios/cinder/utils.py", line 97, in _create_volume
    check_interval=CONF.benchmark.cinder_volume_create_poll_interval
  File "/opt/stack/.venv/lib/python2.7/site-packages/rally/benchmark/utils.py", line 121, in wait_for
    resource_status=get_status(resource))
TimeoutException: Rally tired waiting for Volume <Volume: 22f3e9ae-d61c-43f9-a857-0b46ed3d16cb>:22f3e9ae-d61c-43f9-a857-0b46ed3d16cb to become available current status DOWNLOADING

After tests finished the volume is still in dowloading state in system (as rally cleanup failed due to volume state):
[root@node-2 ~]# cinder list --all-tenant | grep 22f3e9ae-d61c-43f9-a857-0b46ed3d16cb
| 22f3e9ae-d61c-43f9-a857-0b46ed3d16cb | 3b5dec95689f4ca28a803a612ae26285 | downloading | rally_volume_iVzRaowHL5 | 1 | None | false | |

Log snapshot can be downloaded at http://mos-scale-share.mirantis.com/fuel-snapshot-2015-06-02_18-09-51.tar.xz.

[Dina Belova (dbelova)]

Due to the conversation with Ivan the reasons for such behaviour are unclear. Let's keep this bug in the confirmed state for a while, probably it will be reproduced and the next time the results and the root cause will be more understandable.