anchor.diff:          _ ->
               % In all other cases, send the tag an update.
               Msg = {gc_rr_update, Updates, S#state.blacklist, Id},
  +            error_logger:info_report({"Updating tag", Msg}),
               ddfs_master:tag_notify(Msg, Tag)
       end.
   
  
positive.code: check_tag(Tag, S, Retries) ->
      case catch ddfs_master:tag_operation(gc_get, Tag, ?GET_TAG_TIMEOUT) of
          {{missing, deleted}, false} ->
              error_logger:info_report({"deleted", Tag}),
              {ok,  0};
          {'EXIT', {timeout, _}} when Retries =/= 0 ->
              check_tag(Tag, S, Retries - 1);
  
negative.code:                             % Note that Node could belong to the blacklist; we
                              % still record the replica so that we can use it for
                              % re-replication if needed.
                              error_logger:info_report({"GC: recovering replica",
                                                        BlobName, Node, Vol}),
                              NewRecovered = [{Node, Vol} | Recovered],
                              ets:update_element(gc_blobs, BlobName, {3, NewRecovered}),
                              {ok, false}
  