anchor.diff:                      %% No replicas for this node
                       1.0;
                   Replicas ->
  -                    Replicators = ns_vbm_sup:replicators([node()],
  -                                                         Bucket),
  -                    case Replicas -- Replicators of
  -                        [] ->
  -                            %% Ok, running
  -                                    case ns_memcached:backfilling(Bucket) of
  -                                        true ->
  -                                            0.5;
  -                                        false ->
  -                                            1.0
  -                                    end;
  -                        _ ->
  -                            %% Replication isn't even running
  +                    try
  +                        Replicators = ns_vbm_sup:replicators([node()],
  +                                                             Bucket),
  +                        case Replicas -- Replicators of
  +                            [] ->
  +                                %% Ok, running
  +                                case ns_memcached:backfilling(Bucket) of
  +                                    true ->
  +                                        0.5;
  +                                    false ->
  +                                        1.0
  +                                end;
  +                            _ ->
  +                                %% Replication isn't even running
  +                                0.0
  +                        end
  +                    catch
  +                        _:_ ->
                               0.0
                       end
               end
  
positive.code: init([]) ->
      timer:send_interval(1000, beat),
      timer:send_interval(?EXPENSIVE_CHECK_INTERVAL, do_expensive_checks),
      {ok, expensive_checks()}.
  
  handle_call(status, _From, State) ->
      {reply, current_status(State), State};
  
negative.code:         _ -> BasicData
      end.
  
  replication_status(Bucket, BucketConfig) ->
      %% First, check that replication is running
      case proplists:get_value(map, BucketConfig) of
  