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How to Create a Custom Metric Family

Factory metric families define the most common metric attributes to monitor. Several of these are included upon installation, and these metric families satisfy the needs of most users. However, you can create a custom metric family when you want to collect data for new metric attributes. For example, if a metric family does not exist for collecting process data, you can create one.

Your custom metric family defines the following details:

Optionally, you can then create a vendor certification, if one does not already exist, to monitor the metric attributes for process, using your new metric family.

Important! Always create and verify your custom metric family in a test environment first. Creating a custom metric family requires you to edit the metric family XML file manually. Semantic errors in this XML file can cause unpredictable results.

Note: Data Aggregator provides basic and advanced methods for creating custom vendor certifications and metric families. The basic method is a simpler process, consisting of adding vendor support for existing supported technologies (metric families), using the user interface. This method meets the requirements of many users. However, the advanced method is based on the factory certification format and exposes a complete set of capabilities. This guide explains the basic certification method. For information about the advanced certification method, see the Data Aggregator Power User Certification Guide.

Creating a custom metric family is a complex process. Follow these steps carefully to create your custom metric family:

  1. View existing metric families to determine if you require a custom metric family.
  2. Download the schema and sample metric family files.
  3. Create a custom metric family XML file.
  4. Verify your custom metric family results in a test environment.
  5. Import the custom metric family XML file.

Important! To avoid possible data loss, always back up your deploy directory each time you create or update a vendor certification, metric family, or component.