return resp.ValueOrZero(), err
}

// GetMetrics - fetch metrics from a remote node.
func (client *peerRESTClient) GetMetrics(ctx context.Context, t madmin.MetricType, opts collectMetricsOpts) (info madmin.RealtimeMetrics, err error) {
	values := make(url.Values)
	values.Set(peerRESTMetricsTypes, strconv.FormatUint(uint64(t), 10))
	for disk := range opts.disks {

			sys.addNodeErr(&reply[index], sys.peerClients[index], err)
		}
	}
	return reply
}

// GetMetrics - Get metrics from all peers.
func (sys *NotificationSys) GetMetrics(ctx context.Context, t madmin.MetricType, opts collectMetricsOpts) []madmin.RealtimeMetrics {
	reply := make([]madmin.RealtimeMetrics, len(sys.peerClients))

	g := errgroup.WithNErrs(len(sys.peerClients))
	for index, client := range sys.peerClients {