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.

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Matching instances across datasets by using a reconciliation Identify activity

The following topics provide information and instructions for matching instances across datasets by using a reconciliation identity activitiy:

You create an Identify activity to establish a common identity for instances in two or more datasets, confirming that they are the same real-life configuration item (CI).

The identity is stored as the ReconciliationIdentity attribute in each instance.

The identity of an instance in the production dataset for that activity is copied to matching instances in the other datasets. The production dataset is typically the same dataset that is the target of your Merge activities. If you plan to use independent Merge activities to merge each of your source datasets into the target, also use independent Identify activities, each of which identifies one dataset against that target.

An Identify activity assigns identity to an instance according to one of the following scenarios:

  • If one or more instances match an instance in the production dataset that already has an identity, that identity is applied to the other instances.
  • If one or more instances match an instance in the production dataset that does not already have an identity, the Reconciliation Engine automatically generates an identity and applies it to the matching instances in the other datasets, and can optionally also apply it to the instance in the production dataset.
  • If an instance does not match any instance in the production dataset and its own dataset is marked for automatic identification, the Reconciliation Engine automatically generates an identity for the instance.
  • If an instance does not match any instance in the production dataset and its own dataset is not marked for automatic identification, the instance remains unidentified.

Unidentified instances cannot participate in Merge or Compare activities, so you should manually identify them. For information and procedures, see Manually identifying data by using the Reconciliation console.

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