code: def ConfigureLazyWorkers(self):
      
      lazy_worker_instances = self.__GetMissingWorkers()
      if not lazy_worker_instances:
        return
      reachable_states = self.__AreInstancesReachable(lazy_worker_instances)
      reachable_instances = [t[0] for t in zip(lazy_worker_instances, 
                                               reachable_states) if t[1]]
      print 'reachable_instances: %s' % reachable_instances 
      self.__ConfigureWorkers(reachable_instances)
      return
docs: Lazy workers are instances that are running and reachable but failed to 
      register with the cldb to join the mapr cluster. This trys to find these 
      missing workers and add them to the cluster.