Created attachment 899500 [details]
logs from engine and vdsm

Description of problem:
In a situation which engine crashes during createVolume, as part of import an image from glance, disk gets stuck in LOCKED stete.

Version-Release number of selected component (if applicable):
av9.2
rhevm-3.4.0-0.21.el6ev.noarch
vdsm-4.14.7-3.el6ev.x86_64


How reproducible:
Always

Steps to Reproduce:
On a shared DC with storage domains attached and integrated glance repository with images:
1. Import an image from glance repository.
2. Restart ovirt-engine service during createVolume task in vdsm

Actual results:
In case engine crashed before it got the response of the image guuid from vdsm, it assume that the image guuid is  00000000-0000-0000-0000-000000000000 and sends vdsm to perform the second phase of image import - downloadImage with image guuid of 00000000-0000-0000-0000-000000000000.

Thread-113::DEBUG::2014-05-27 11:30:26,000::taskManager::96::TaskManager::(getTaskStatus) Return. Response: {'code': 100, 'message': u"Invalid parameter: 'volUUID=00000000-0000-0000-0000-000000000000'", 'taskState
': 'finished', 'taskResult': 'cleanSuccess', 'taskID': 'ae50a07b-1458-4de2-ad34-2cea5cce5fbd'}
Thread-113::DEBUG::2014-05-27 11:30:26,000::taskManager::113::TaskManager::(getAllTasksStatuses) Return: {'ae50a07b-1458-4de2-ad34-2cea5cce5fbd': {'code': 100, 'message': u"Invalid parameter: 'volUUID=00000000-000
0-0000-0000-000000000000'", 'taskState': 'finished', 'taskResult': 'cleanSuccess', 'taskID': 'ae50a07b-1458-4de2-ad34-2cea5cce5fbd'}}
Thread-113::INFO::2014-05-27 11:30:26,000::logUtils::47::dispatcher::(wrapper) Run and protect: getAllTasksStatuses, Return response: {'allTasksStatus': {'ae50a07b-1458-4de2-ad34-2cea5cce5fbd': {'code': 100, 'mess
age': u"Invalid parameter: 'volUUID=00000000-0000-0000-0000-000000000000'", 'taskState': 'finished', 'taskResult': 'cleanSuccess', 'taskID': 'ae50a07b-1458-4de2-ad34-2cea5cce5fbd'}}}
Thread-113::DEBUG::2014-05-27 11:30:26,000::task::1185::TaskManager.Task::(prepare) Task=`a5899d91-a84c-476e-bfb2-db7bbb316a0e`::finished: {'allTasksStatus': {'ae50a07b-1458-4de2-ad34-2cea5cce5fbd': {'code': 100,
'message': u"Invalid parameter: 'volUUID=00000000-0000-0000-0000-000000000000'", 'taskState': 'finished', 'taskResult': 'cleanSuccess', 'taskID': 'ae50a07b-1458-4de2-ad34-2cea5cce5fbd'}}}


Disk gets stuck in LOCKED.

Expected results:
Not sure what should happen if engine is unable to get the response of the image guuid from vdsm. 

Additional info: logs from engine and vdsm