if healthCheck {
		// Use a separate client to avoid recursive calls.
		healthClient := rest.NewClient(serverURL, globalInternodeTransport, newCachedAuthToken())
		healthClient.NoMetrics = true
		restClient.HealthCheckFn = func() bool {
			ctx, cancel := context.WithTimeout(context.Background(), restClient.HealthCheckTimeout)
			defer cancel()
			respBody, err := healthClient.Call(ctx, storageRESTMethodHealth, nil, nil, -1)

		if client == nil {
			continue
		}
		wg.Add(1)
		go func(idx int, client *peerRESTClient) {
			defer wg.Done()
			nodesOnlineIndex[idx] = client.restClient.HealthCheckFn()
		}(idx, client)
	}
	wg.Wait()

	for _, online := range nodesOnlineIndex {
		if online {
			nodesOnline++
		} else {
			nodesOffline++
		}
	}
	return
}