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@ -59,6 +59,11 @@ way of knowing which UCP manager node is not healthy, since any manager node
might be serving your request. Make sure you're connecting directly to the
URL of a manager node, and not a load balancer.
## 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
* [Troubleshoot with logs](troubleshoot-with-logs.md)