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Merge pull request #8270 from docker/ucp-fix 

UCP limitation of UCP disk free monitoring and associated Prom metric
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paigehargrave 2019-02-21 14:52:37 -05:00 committed by GitHub
parent 25441d20f5 9c935d7f0a
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2
datacenter/ucp/2.2/guides/admin/monitor-and-troubleshoot/index.md
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@ -63,8 +63,6 @@ might be serving your request. Make sure you're connecting directly to the
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.
## Where to go next
* [Troubleshoot with logs](troubleshoot-with-logs.md)

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datacenter/ucp/3.0/guides/admin/monitor-and-troubleshoot/index.md
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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 third party monitoring solution to monitor the operating system.
## Where to go next

2
ee/ucp/admin/configure/collect-cluster-metrics.md
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@ -44,6 +44,8 @@ These are metrics about the state of services running on the container platform.
- Convergence of K8s deployments and Swarm services
- Cluster load by number of services or containers or pods
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 third party monitoring solution to monitor the operating system.
## Deploy Prometheus on worker nodes
Universal Control Plane deploys Prometheus by default on the manager nodes to provide a built-in metrics backend. For cluster sizes over 100 nodes or for use cases where scraping metrics from the Prometheus instances are needed, we recommend that you deploy Prometheus on dedicated worker nodes in the cluster.

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ee/ucp/admin/monitor-and-troubleshoot/index.md
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@ -70,6 +70,10 @@ To enable this feature, DTR 2.6 is required and single sign-on with UCP must be
![example of vulnerability information in UCP](../../images/example-of-vuln-data-in-ucp.png)
## 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 third party monitoring solution to monitor the operating system.
## Where to go next
- [Troubleshoot with logs](troubleshoot-with-logs.md)