anchor.diff:          true ->
               ok;
           false ->
  -            %% Must have been shunned while we were down. Leave the cluster.
  -            ?log_info("We've been shunned (nodes_wanted = ~p). "
  -                      "Leaving cluster.", [NodeList]),
  -            ns_cluster:leave_async()
  +            gen_server:cast(ns_node_disco, {we_were_shunned, NodeList})
       end,
       ok.
   
  
positive.code: handle_cast(nodes_wanted_updated, State) ->
      do_nodes_wanted_updated(do_nodes_wanted()),
      {noreply, State};
  
  handle_cast(_Msg, State)       -> {noreply, State}.
  
  
negative.code: -export([init/1, handle_call/3, handle_cast/2, handle_info/2,
           terminate/2, code_change/3]).
  
  -record(state, {
            nodes :: [node()],
            we_were_shunned = false :: boolean()
           }).
  
  -include_lib("eunit/include/eunit.hrl").
  
  