anchor.diff:      {stop, normal, ok, State};
   
   
  +handle_call({lookup, Tbl,_VNodeId},_From, State) when Tbl /= ?CUR_RING_TABLE,
  +                                                      Tbl /= ?PREV_RING_TABLE ->
  +    {reply, {error, invalid_table}, State};
  +
   handle_call({lookup, Tbl, VNodeId},_From, State) ->
       ?debugVal({Tbl, VNodeId}),
       Reply = ok,
  
positive.code:     {reply, Reply, State};
  
  
  handle_call({last, Tbl},_From, State) ->
      ?debugVal(Tbl),
      Reply = ok,
      {reply, Reply, State};
  
  
  handle_call({force_sync, Tbl},_From, State) ->
      Version = case Tbl of
  
negative.code: get_redundancies([],_Node1,_) ->
      not_found;
  get_redundancies([#member{node        = Node0,
                            grp_level_2 = L2}|_], Node1, SetL2) when Node0 == Node1  ->
      case lists:member(L2, SetL2) of
          false ->
              {Node0, [L2|SetL2]};
  