infoMaps[infos[i].Endpoint] = madmin.DiskMetrics{
				TotalWaiting: infos[i].Metrics.TotalWaiting,
			}
		}
	}
	return infoMaps
}

// SignalServiceHandler - signal service handler.
func (s *peerRESTServer) SignalServiceHandler(vars *grid.MSS) (np grid.NoPayload, nerr *grid.RemoteErr) {
	signalString := vars.Get(peerRESTSignal)
	if signalString == "" {