Traversal Rules for Application Services form completion

  • Release version: Washingtondc
  • Updated February 1, 2024
  • 1 minute to read

    • To edit an existing CI relationship or add a new CI relationship during the tag-based discovery process, complete the Traversal Rules for Application Services form.

    Field Description
    Rule Definition Select a preconfigured CI relationship.
    Alternatively, create a new CI relationship:
    1. Click New.
    2. Select the CI class from the Parent Type list.
    3. Select the relationship type from the Relationship Type list.
    4. Select the CI class from the Child Type list.
    5. Click Submit. The new CI relationship is added to the CI Relationship Type Rule Definitions [cmdb_rel_type_rule_definitions_list] table.
    For example, to discover Linux servers hosting storage devices, select the following values:
    • Parent Type: Linux Server [cmdb_ci_linux_server]
    • Relationship Type: Contains::Contained by
    • Child Type: Storage Device [cmdb_ci_storage_device]
    Is reverse Select this check box in the following cases:
    • If the tagged CI in the relationship is the CI belonging to the child CI class.
    • If the CI, which is already part of the service in the relationship, is the CI belonging to the child CI class.
    Used By Select only Service by Tags.
    Note:
    Do not select Service Recomputation. This prevents editing any existing CI relationships or adding new ones and produces an error message.
    Active Select this check box to use this CI relationship in the tag-based discovery.

    Alternatively, clear this check box to exclude this CI relationship from the tag-based discovery.

    Note:
    By default, you can have only five CI relationships participating in tag-based discovery. To change the maximum number of active CI relationships, edit the value for the svc_by_tags.max.traversal.rules.active property in the System Property [sys_properties] table.
    Order Enter a number for the order. The system uses CI relationships for discovery in sequence from low order to high.