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openshift-docs/modules/monitoring-alerting-rules.adoc
2020-02-17 10:05:55 +10:00

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// Module included in the following assemblies:
//
// * monitoring/cluster_monitoring/configuring-the-monitoring-stack.adoc
[id="alerting-rules_{context}"]
= Alerting rules
{product-title} Cluster Monitoring by default ships with a set of pre-defined alerting rules.
Note that:
* The default alerting rules are used specifically for the {product-title} cluster and nothing else. For example, you get alerts for a persistent volume in the cluster, but you do not get them for persistent volume in your custom namespace.
* Currently you cannot add custom alerting rules.
* Some alerting rules have identical names. This is intentional. They are sending alerts about the same event with different thresholds, with different severity, or both.
* With the inhibition rules, the lower severity is inhibited when the higher severity is firing.