From discussing this in IRC I remember you said in this case the server was being created with a BDM where source_type=image and the failure in nova-compute during volume create was an OverQuota issue from Cinder.
From discussing this in IRC I remember you said in this case the server was being created with a BDM where source_type=image and the failure in nova-compute during volume create was an OverQuota issue from Cinder.