} else {
			results[len(results)-1] = r
		}
		results[len(results)-1].Endpoint = u.String()
	}()
	wg.Wait()

	return results
}

// DriveSpeedTest - Drive performance information
func (sys *NotificationSys) DriveSpeedTest(ctx context.Context, opts madmin.DriveSpeedTestOpts) chan madmin.DriveSpeedTestResult {
	ch := make(chan madmin.DriveSpeedTestResult)
	var wg sync.WaitGroup

	if err != nil {
		return result, err
	}
	if result.Error != "" {
		return result, errors.New(result.Error)
	}
	return result, nil
}

func (client *peerRESTClient) DriveSpeedTest(ctx context.Context, opts madmin.DriveSpeedTestOpts) (madmin.DriveSpeedTestResult, error) {
	queryVals := make(url.Values)
	if opts.Serial {
		queryVals.Set("serial", "true")
	}