diff --git a/System-Metrics.md b/System-Metrics.md
index bed421e..9487b28 100644
--- a/System-Metrics.md
+++ b/System-Metrics.md
@@ -1,4 +1,7 @@
-SeaweedFS uses [Prometheus](https://prometheus.io/) to store the metrics and [Grafana](https://grafana.com/grafana) to visualize them. SeaweedFS publishes metrics to [Prometheus Push Gateway](https://github.com/prometheus/pushgateway), and the gateway pass along to the Prometheus server.
+SeaweedFS uses [Prometheus](https://prometheus.io/) to store the metrics and [Grafana](https://grafana.com/grafana) to visualize them. 
+
+# Push Metrics
+SeaweedFS can publish metrics to [Prometheus Push Gateway](https://github.com/prometheus/pushgateway), and the gateway pass along to the Prometheus server.
 
 Master | Volume Server | Filer => Prometheus Push Gateway => Prometheus Server => Grafana
 
@@ -22,7 +25,19 @@ weed server -metrics.address=https://example.com
 
 The SeaweedFS filer or volume servers will read this metrics configuration from the master, and report the metrics directly to the Prometheus Gateway. Filer and volume servers need to be restarted for the changes to take effect.
 
-## Dashboard
+# Pull Metrics
+SeaweedFS can also start with ports accepting Prometheus metrics queries.
+
+```
+weed server -metricsPort=1234
+weed master -metricsPort=1234
+weed volume -metricsPort=1234
+weed filer  -metricsPort=1234
+```
+
+And then you can configure your Prometheus to crawl them periodically.
+
+# Dashboard
 
 The dashboard is shared at https://github.com/chrislusf/seaweedfs/blob/master/other/metrics/grafana_seaweedfs.json