Live Migration fails with error AttributeError: 'NoneType' object has no attribute 'get'

Solution In Progress - Updated -

Issue

  • When attempting to live migrate an instance, the operation fails
  • nova logs on the target node show an error as follows:
...in _get_volume_driver driver_type = connection_info.get('driver_volume_type')
AttributeError: 'NoneType' object has no attribute 'get'
...

Environment

  • Red Hat OpenStack Platform 13

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