This documentation relates to the latest released version of BMC Discovery.
See the information on this topic for versions 11.2 or 11.1.

To integrate BMC Discovery with BMC Atrium CMDB, there are some prerequisites, known issues, and limitations that you must be aware of.

Supported versions of BMC Atrium CMDB


At the time of its release, integration of the current version of BMC Discovery was supported with the following versions of BMC Atrium CMDB:

  • 9.1, 9.1.01, 9.1.02, 9.1.03, 9.1.04
  • 9.0, 9.0.01
  • 8.1.00, 8.1.01, 8.1.02
  • 8.0.00
  • 7.6.04

For more information, check the BMC Solution and Product Availability and Compatibility utility (SPAC) (support login required).

A new class, BMC_CloudInstance is added in BMC Atrium Core 9.1.03: Service Pack 3 to support cloud discovery. To synchronize cloud nodes to the CMDB, you must have this service pack installed. Service Pack 3 also provides a REST API which you can use as an alternative access mechanism to use to connect to the CMDB.

Significant mapping changes since previous releases

If you are upgrading from a previous release, note the following significant changes in the default data mapping:

  • A separate BMC_VirtualSystemEnabler is now created for each virtual machine running on a physical computer system, where previously a single CI was created.
  • Cloud data is synchronized to the BMC_CloudInstance class that was introduced in CMDB 9.1 SP3. Synchronization to earlier CMDB releases will skip the cloud data due to the absence of the class.

Do not change the CMDB synchronization configuration at the same time as changing the cluster configuration.

  • Changing the CMDB sync configuration means, adding connections, removing connections, and starting or stopping a resync. 
  • Changing the cluster configuration means adding members, removing members, moving the coordinator, or changing fault tolerance.

Prerequisites for CMDB synchronization

Before you can synchronize data to a supported BMC Atrium CMDB version, you must complete the following required tasks in the given order:

Integrating with earlier versions of BMC Atrium CMDB

BMC Atrium CMDB versions earlier than 7.6.04 are no longer supported and are not recommended for use. Synchronizing data to these earlier versions required you to complete some additional tasks. For more information, see the BMC Discovery 8.3 documentation.

  1. Create the BMC.ADDM dataset if necessary: Manually create the BMC.ADDM dataset in the CMDB before attempting synchronization.
  2. Create the Job to merge the BMC.ADDM dataset with BMC.ASSET: Create the job to reconcile the BMC.ADDM dataset with the BMC.ASSET dataset.
  3. Check the BMC.ADDM dataset configuration: When using ITSM 7.0 with a backward compatibility patch, you must ensure that the BMC.ADDM dataset is trusted.

After completing the preceding tasks, you can start synchronizing BMC Discovery data to BMC Atrium CMDB.


Performance considerations

To obtain the maximum synchronization performance when using CMDB synchronization with BMC Discovery, you should consider tuning the database which BMC Atrium CMDB (or BMC Remedy AR System) is using. For more information, see the performance tuning documentation corresponding to your product version. The following information should be of particular interest:

  • Tuning an Oracle server.
  • Best practices for tuning Oracle database servers.
  • Tuning a SQL Server database.
  • Best practices for tuning SQL Server database servers.
 

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