This documentation supports the 21.05 version of BMC Helix ITSM: Asset Management. To view an earlier version, select the version from the product version menu.

BMC Atrium Impact Simulator

The BMC Atrium Impact Simulator application helps you to determine how a change to the availability of an item represented by a CI affects other items. For example, you can run a simulation in BMC Atrium Impact Simulator to learn what devices and applications in the network would be affected if you took a server offline.

You can also use BMC Atrium Impact Simulator to plan for disaster recovery. You can run simulations to determine where the network is weakest, and plan accordingly.


Related topic

Simulating the impact of changes to CIs Open link




BMC Atrium Impact Simulator uses the impact relationships that you create between CIs. For information about creating relationships, see Managing CI relationships.

When you run a simulation, you can specify an impact state for each CI in the simulation. The following table lists the states that you can select in BMC Atrium Impact Simulator:

BMC Atrium Impact Simulator state

Description

Slightly Impaired

The item is delivering services normally, but some problem might affect it.

Impaired

The item's delivery of service is slightly affected.

Very Impaired

The item's delivery of service is affected.

Unavailable

The item has a failure and is unable to deliver any service.

When you run a simulation, BMC Atrium Impact Simulator uses these states and the impact relationships defined between CIs to predict the corresponding impact on the items that the CIs represent. For example, a simulation that includes a server with an impact state of Unavailable might return several related CIs that are predicted to be unavailable as a result of the unavailable server. However, an Impaired server in that same simulation might return impacted CIs that are predicted to be in the slightly Impaired state.

Priorities can help you understand the problems that you should address first if you were to make the changes that you simulated. For example, a simulation might reveal that if a server were to fail, email and payroll services might be disabled. The computed priority for these services would help you decide which service to restore first.

If you have BMC Change Management installed, you can open a new change request directly from BMC Atrium Impact Simulator. Similarly, if you have BMC Service Desk installed, you can open a new incident request. This enables you to take immediate action if the results of an impact simulation are acceptable.


The following figure shows the Impact Simulator to which some CIs are added to view there impact:

 


The following figure shows the result of the impact:

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