anchor.diff:      start_snap_loop(),
       erlang:send_after(
         1000, ?MODULE,
  -      {cluster_snap, ?GET_CLUSTER_SNAPSHOT_TABLES, '$replace_with_timestamp',
  -       '$create_when_needed'}),
  +      {cluster_snap, '$replace_with_timestamp', '$create_when_needed'}),
       {ok,#state{snapdir = SnapshotDir}}.
   
   -spec create_clean_dir(list()) -> list().
  
positive.code:             ?Info("cluster snapshot ~s", [ZipFile])
      end,
      ?Info("cluster snapshot took ~p ms", [?TIMESTAMP_DIFF(StartTime, ?TIMESTAMP) div 1000]),
      erlang:send_after(1000, ?MODULE, {cluster_snap, ?GET_CLUSTER_SNAPSHOT_TABLES, '$replace_with_timestamp', '$create_when_needed'}),
      ok;
  cluster_snap(Tabs, StartTime, '$create_when_needed') ->
      cluster_snap(Tabs, StartTime, create_clean_dir(?BKP_ZIP_PREFIX));
  
negative.code:     ?MODULE ! {cluster_snap, NextTabs, StartTime, Dir},
      ok.
  
  handle_info({cluster_snap, StartTime, Dir}, State) ->
      handle_info({cluster_snap, ?GET_CLUSTER_SNAPSHOT_TABLES, StartTime, Dir}, State);
  handle_info({cluster_snap, Tables, StartTime, Dir}, State) ->
      {noreply,
       case ?GET_CLUSTER_SNAPSHOT of
  