Monitoring Your Network - Monitoring Alarms - Interpreting Alarm-Instance Information - Getting Information about a Trigger -
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Getting Information about a Trigger

If you're monitoring alarm instances and want further information about the cause of an alarm transition, you can obtain that information using the NerveCenter Client. The specific procedure you should follow depends on the type of the trigger that caused the transition. The table below directs you to the appropriate subsection.

Finding Information about the Source of a Trigger

A Trigger Generated by a Poll

If you're monitoring alarm instances and see that an alarm transition took place when the poll CsCpuBusy fired the csCpuBusy trigger, how can you determine what condition caused the poll to fire this trigger? To get this information, follow the procedure below.

 
  To determine why a poll fired a trigger:

1. From the NerveCenter Client's Admin menu, choose Poll List.

   The Poll List window is displayed.

   Poll List Window

   

   Click the thumbnail above to view full-sized image.

2. Select the poll you're interested in.

   The Notes button is enabled.

3. Select the Notes button.

   The Poll Notes dialog displays.

   Poll Notes Dialog

   

   Click the thumbnail above to view full-sized image.

   For each poll, the note should include the following information:

   • A list of the triggers the poll can fire
   • A list of the alarms in which the poll can cause a transition
   • A list of other objects that can fire any one of the triggers fired by this poll
   • A brief description of the poll and its poll condition

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     Note    If you need additional information about a poll, you can look at its definition. To view this definition, select the poll in the Poll List window and then select the Open button.

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A Trigger Generated by a Mask

If you're monitoring alarm instances and see that an alarm transition took place when the SynBoardPowerFail trap mask fired the synBoardPsTrap trigger, how can you determine what condition caused the mask to fire this trigger? To get this information, follow the procedure below.

 
  To determine why a mask fired a trigger:

1. From the NerveCenter Client's Admin menu, choose Mask List.

   The Mask List window is displayed.

   Mask List Window

   

   Click the thumbnail above to view full-sized image.

2. Select the mask you're interested in.

   The Notes button is enabled.

3. Select the Notes button.

   The Mask Notes dialog displays.

   Mask Notes Dialog

   

   Click the thumbnail above to view full-sized image.

   For each mask, the note should include the following information:

   • A list of the triggers that this mask can fire
   • A list of the alarms in which this mask can cause a transition
   • A list of other objects that fire any one of the triggers fired by this mask
   • A brief description of the trap detected by this mask

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     Note    If you need additional information about a mask, you can look at its definition. To view this definition, select the mask in the Mask List window and then select the Open button.

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A Trigger Generated by an Alarm

If you're monitoring alarm instances and see that a transition in one alarm took place when another alarm fired a trigger, how can you determine what condition caused the Source alarm to fire this trigger? To get this information, you can look at the notes (documentation) for the Source alarm. Just follow the procedure mapped out in the section Getting Information about an Alarm.