A monitoring policy contains the settings and rules for monitoring resources of a specific type. You can assign a policy to one or more dynamic groups and you can edit a policy that has been assigned, or clone a policy as the basis of a new policy.

When you assign a policy to a dynamic group whose members are already configured, whether manually or by vCenter Hyperic auto-discovery, the policy becomes effective on the group members. An effective policy is a policy whose configuration and monitoring parameters were applied to the resource.

Settings can include configuration parameters and metric collection definitions.

Configuration Properties

Configuration parameters that are available for a resource type are inherited from the plug-in to which the resource is related. You can overwrite the default values when you create or edit a policy.

Some values are optional and others are mandatory.

Metric Collection

You can specify which of the available metrics of a resource type are to be collected, and the collection interval.

Default metrics are retrieved from Administration > Monitoring Defaults.

If you manually change a resource's configuration or the monitoring parameters after applying a policy, the policy is no longer effective on that resource. However, if the policy or the dynamic group is updated later, the policy becomes effective on the resources again.

If a resource does not match the group criteria, it is excluded from the group and the policy is no longer effective. The configurations do not change unless the resource configuration is modified.

In the event that there is a conflict between policies, for example when two dynamic groups containing different policies are relevant for the resource, the policy that is most recently updated, or the policy that was most recently assigned to a group, is the policy that applies. This process is followed even when a resource is manually changed.