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

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

Creating and managing datasets to group data in BMC CMDB

A dataset is a logical grouping of data. It can represent data from a particular source, a snapshot from a particular date, and so on. You must create datasets in BMC CMDB to store data provided by different data sources. Creating datasets is the first step when importing data.

Each discovery application that you use should store the data that it discovers in a separate dataset. Data in a separate database that you import to BMC CMDB through the atrium integrator should be stored in a separate dataset.

You can also use datasets for other methods of partitioning data. For example, you could use datasets to represent production data or obsolete data. Your datasets do not all need to contain different versions of the same CIs and relationships. For example, you could use datasets to hold:

  • Subsets of your overall data, such as departments or regions
  • Data from different companies for multitenancy
  • Test data

A dataset can contain only one instance of a given CI. An instance of that CI might also exist in other datasets to represent the CI in the contexts of those datasets. Instances representing the same CI or relationship across datasets share the same reconciliation identity, or reconciliation ID.

Each CI and relationship in BMC CMDB must reside in a dataset, meaning that they have a DatasetId attribute that must contain a value.

Overview of working with datasets

  1. Identify your data sources.
  2. Create a dataset for each data source that you have identified.
  3. Import your data source content into the relevant dataset.

The image below gives you an overview of the recommended dataset model

Task or conceptReference
Scenarios and the recommended best practicesBest practices for managing datasets
Create a dataset for a data sourceCreating a dataset
Modify a datasetModifying the configuration settings to restrict access to the dataset
Deleting a datasetDeleting a dataset
Know more about the existing datasets that are defined in BMC CMDB upon installationDefault datasets in BMC CMDB
Overlay datasets and how they workOverlay datasets
Set permissions to various datasets and manage themManaging dataset permissions

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