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docs: include storage load update instructions (#255)

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Howie Zhao
2022-06-12 05:11:27 +08:00
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@@ -115,6 +115,22 @@ The Docker Containers Dashboard shows key metrics for monitoring running contain
Note that this dashboard doesn't show the containers that are part of the monitoring stack.
For storage and particularly Storage Load graph, you have to specify the fstype in grafana graph request.
You can find it in `grafana/provisioning/dashboards/docker_containers.json`, at line 406 :
```yaml
"expr": "(node_filesystem_size_bytes{fstype=\"btrfs\"} - node_filesystem_free_bytes{fstype=\"btrfs\"}) / node_filesystem_size_bytes{fstype=\"btrfs\"} * 100"，
```
I work on BTRFS, so i need to change `aufs` to `btrfs`.
You can find right value for your system in Prometheus `http://<host-ip>:9090` launching this request :
```yaml
node_filesystem_size_bytes
node_filesystem_free_bytes
```
***Monitor Services Dashboard***
![Monitor Services](https://raw.githubusercontent.com/stefanprodan/dockprom/master/screens/Grafana_Prometheus.png)