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@ -64,6 +64,10 @@ URL of a manager node, and not a load balancer. In addition, pinging the
endpoint with a `HEAD` results in a 404 error code. Use a `GET` request instead.
## Monitoring disk usage
Web UI disk usage metrics, including free space, only reflect the Docker managed portion of the filesystem: `/var/lib/docker`. To monitor the total space available on each filesystem of a UCP worker or manager, you must deploy a monitoring solution, such as Prometheus Node Exporter.
## Where to go next