docs: def erase_devices(self, node, port):
          """Erase the drives on the bare metal.
  
          This method erase all the drives which supports sanitize and the drives
          which are not part of any logical volume on the bare metal. It calls
          generic erase method after the success of Sanitize disk erase.
          :param node: A dictionary of the node object.
          :param port: A list of dictionaries containing information of ports
              for the node.
          :raises exception.HPSSAOperationError, if there is a failure on the
              erase operation on the controllers.
          :returns: The dictionary of controllers with the drives and erase
              status for each drive.
          """
          result = {}
          result['Disk Erase Status'] = hpssa_manager.erase_devices()
  
          result.update(super(ProliantHardwareManager,
                              self).erase_devices(node, port))
          return result