Live migration of an instance in OpenStack fails due to cinder volume attached multiple times

Solution In Progress - Updated -


When I try to live migrate one instance, one cinder disk attached multiple times nova prevent the operation, that fails with error:

File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/", line 1059, in _get_volume_driver
  driver_type = connection_info.get('driver_volume_type')
AttributeError: 'NoneType' object has no attribute 'get'


  • Red Hat OpenStack Platform 7.0 (Liberty)

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