Designing and Managing Behavior Models - Alarm Actions - Action Router -
Alarm Actions      Alarm Counter

Action Router

Normally, when an alarm transition occurs, the actions associated with that transition are performed automatically. However, it's possible to specify that one or more actions be performed conditionally. To define this type of behavior, you must:

• Add the Action Router action to the appropriate alarm transition. (This section explains how to perform this task.)
• Use the Action Router's rule composer to define the conditions under which you want the Action Router to perform one or more actions and the actions to be taken under those conditions. These conditions can be specified using any Perl expression that evaluates to true or false. However, NerveCenter provides a large set of variables for use in these conditions. These variables enable you to set up conditions based (among other things) on:
  • The name of the alarm that underwent the transition
  • The day of the week
  • The name of the node being monitored
  • The property group associated with the node being monitored
  • The severity of the transition's destination state
  • The time of day
  • The name of the trigger that caused the transition

    In addition, the actions that can be associated with a set of conditions can be selected from almost all the actions that can be performed during an alarm transition. For complete information about using the rule composer, see "<Z_Hyperlink>Performing Actions Conditionally (Action Router)."

Once you've done this setup, when the transition with the Action Router action takes place, the Action Router process will receive information about the transition. The Action Router will then evaluate all of its rules to determine any of them are satisfied. If a rule is satisfied, the Action Router performs all of the actions associated with that rule. For example, if you've set up a rule that tells the Action Router to page an administrator if a transition's destination state is of Critical severity, the Action Router will check the transition's destination state and page an administrator if that state is Critical.

 
  To add the Action Router action to an alarm transition:

1. In the Transition Definition window, select the New Action button.

   A pop-up menu listing all actions is displayed.

2. Select Action Router from the pop-up menu.

   The new action appears in the Actions list in the Transition definition window.

3. Select the OK button in the Transition Definition window.
4. Select Save in the Alarm Definition window.