if err != nil {
		return err
	}
	defer xhttp.DrainBody(respBody)
	return nil
}

// SignalService - sends signal to peer nodes.
func (client *peerRESTClient) SignalService(sig serviceSignal, subSys string, dryRun bool, execAt *time.Time) error {
	values := grid.NewMSS()
	values.Set(peerRESTSignal, strconv.Itoa(int(sig)))

			}
			client := client
			ng.Go(ctx, func() error {
				prs, ok := peerResults[client.String()]
				// We restart only on success, not for any failures.
				if ok && prs.Err == "" {
					return client.SignalService(serviceRestart, "", dryRun, &startTime)
				}
				return nil
			}, idx, *client.host)
		}

		for _, nerr := range ng.Wait() {
			if nerr.Err != nil {
				waitingDrives := map[string]madmin.DiskMetrics{}