This documentation supports the 9.1 to 9.1 Service Pack 3 version and its patches of BMC Atrium Core. The documentation for version 9.1.04 and its patches is available here.

To view the latest version, select the version from the Product version menu.

Configuring rules for normalizing relationships

BMC Atrium CMDB provides recommended relationships rules based on which you can normalize relationships in all datasets. You can also create additional rules for normalizing relationships based on your requirements.

For more information about recommended relationship rules, see Normalization and best-practice relationship rules.

Important

Although you can edit or delete the recommended relationship rules that are shipped with the product, BMC recommends that you do not edit or delete these rules. Other BMC products that consume the configuration data in BMC Atrium CMDB reference the recommended relationship rules, and editing or deleting these rules can result in errors in these products.

To create a relationship normalization rule

  1. In the Normalization console, click Normalization Features.
  2. In the Relationship tab, click Create New Rule.

  3. In the New Relationship Rule dialog box, configure the following parameters:
    • Active — Click to activate the rule so that the Normalization Engine can apply the rule on datasets for which the Relation Name Normalization feature is enabled.
    • Rule Name — Enter a descriptive name for the rule.
  4. In the Conditions area, configure the following parameters:
    • Class Name — Select the relationship class for which you want to create a rule.
    • (Optional) Apply to Subclasses — Select this check box if you want to apply the rule to all subclasses of the selected relationship class.

      Note

      When rules are set for a relationship class at both parent and child class levels, the child class rule overrides the parent class rule.

    • (Optional) Qualifier — Type the qualification or click

      Use BMC Remedy AR System qualifications to define the CIs or relationships to which the custom rule applies. For information about using the Qualification Builder, see Building a qualification for a reconciliation activity.

      Note

      The relationship rules are applicable to all datasets in BMC Atrium CMDB. To define a rule for a specific dataset, include the datasetID attribute in the rule qualification.

  5. In the Relationship Details area, configure the following parameters:
    • Source CI Class — Select the source class in the relationship.
    • Destination CI Class — Select the destination class in the relationship.
    • (Optional) Apply to Subclasses — Select this check box if you want to apply the rule to all subclasses of the source and destination CI classes.
    • (Optional) Qualifier — Use BMC Remedy AR System qualifications to define the CIs in the source and destination classes to which the rule applies.
  6. In the Attribute Values area, type the value that the Normalization Engine should apply to the Name attribute of the relationship.

    You can also use the Attribute Expression Builder to build an expression that provides the value that the Normalization Engine should apply to the Name attribute of the relationship. For more information see Building an attribute expression for relationship and custom normalization rules.

  7. To save the relationship rule, click OK.

To edit a relationship normalization rule

  1. In the Normalization console, click Normalization Features.
  2. In the Relationship tab, select a relationship rule and click Edit Selected Rule.

    Important

    BMC recommends that you do not edit the best-practice relationship rules that are shipped with the product. Other BMC products that consume the configuration data in BMC Atrium CMDB reference the best-practice relationship rules, and editing these rules can result in errors in these products.

  3. In the Edit Relationship Rule dialog box, modify the parameters that you have specified for the relationship rule.

    Note

    You cannot modify the class name of an existing relationship rule.

  4. To save changes, click OK.

To delete a relationship normalization rule

  1. In the Normalization console, click Normalization Features.
  2. In the Relationship tab, select a relationship rule and click Delete Selected Rule.

    Important

    BMC recommends that you do not delete the best-practice relationship rules that are shipped with the product. Other BMC products that consume the configuration data in BMC Atrium CMDB reference the best-practice relationship rules, and deleting these rules can result in errors in these products.

  3. To delete the relationship rule, click OK in the Delete Relationship Rule dialog box.

To enable or disable relationship rules for a dataset

  1. In the Normalization console, click Edit Configuration.
  2. In the Normalization Features column on the Dataset Configuration tab, click the ... button.
  3. In the Configure Normalization Features dialog box, click the check box to enable or disable the Relation Name Normalization feature.

    Note

    Only rules that are active are executed.

  4. Click OK.
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