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Foglight 7.1.0 - User Guide

Acknowledging an Alarm

The Ack’ed column displays No for any alarms that have not been acknowledged. Once an alarm has been acknowledged, this setting cannot be changed.

If you have the Advanced Operator role, you can acknowledge alarms. To acknowledge multiple alarms at once, follow the instructions in To acknowledge one or more alarms: . To cause alarms to remain acknowledged until the monitored object returns to a normal state, follow the instructions in To acknowledge an alarm until the alarm source returns to a normal state: .

 
* 
TIP: Choose Acknowledge Until Normal if, for example, a series of alarms is due to a known situation. Anyone looking at the Alarms dashboard will know that this known problem has been acknowledged.
To acknowledge one or more alarms:
1
Use the Alarm Filter to apply a filter on current or historical alarms.
2
In the Alarm(s) list, select the alarms that you want to acknowledge.
3
Click Acknowledge at the top of the table.
The current alarms are acknowledged and Yes is listed in the Ack’ed column for them. If the alarms fire again at a later time (usually because the condition has recurred), they appear in the list as unacknowledged.
4
Hover the cursor over Yes in the Ack’ed column.
A dwell appears that lists the alarm as acknowledged along with your user name and the time and date you acknowledged the alarm, Foglight also stores this information in an audit report.
To acknowledge an alarm until the alarm source returns to a normal state:
1
Use the Alarm Filter to apply a filter on current or historical alarms.
2
In the Alarm(s) list, click No in the row for the alarm.
The Alarm Details dialog box appears.
3
Click Acknowledge Until Normal.
 
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NOTE: This option is available for an outstanding (not-yet-cleared) alarm only.
The current alarm and all consecutive alarms fired by the same rule on the same object remain acknowledged until the first alarm fired after the alarm source returns to a normal state. Ack’ed til Normal and your user name appear in the Ack’ed Info column.
4
Close the dialog box.
In the Alarm(s) list,Foglight displays Yes in the Ack’ed column for the alarm.

Clearing an Alarm

In most cases, Foglight clears an alarm when the condition or conditions that triggered the alarm changes. For example, an alarm fires when the CPU usage metric for a monitored host exceeds a certain threshold. If the value of the metric drops below this threshold, Foglight clears the original alarm. If the alarm condition occurs again, the alarm reappears.

If you have the Advanced Operator role, you can also manually clear alarms. However, you should only do so when alarms do not clear themselves—for example, for log messages or one-time events that generate alarms.

The Cleared column in the Alarm(s) list indicates whether an alarm has been cleared or not. In addition, cleared alarms appear dimmed.

To clear one or more alarms:
1
Use the Alarm Filter to apply a filter on current or historical alarms.
2
In the Alarm(s) list, select one or more alarms that you want to clear.
3
Click Clear at the top of the table.
If you are filtering the list on current alarms, the alarms are removed from the list. If you are filtering the list on historical alarms, the alarms appear dimmed and Yes is listed in the Cleared column for them.

Alternatively, you can clear an alarm from the Alarms details dialog box. It appears dimmed in the dialog box when you have done so. If you are filtering the Alarm(s) list to show current alarms, the alarm is also removed from the list.

 

Viewing, Creating, and Managing Alarm Templates

Foglight uses alarm rules to define conditions that indicate problems in monitored systems. When these conditions are met, an alarm is triggered.

Alarm templates allow you to configure a set of alarm rules and apply these rules in bulk to targets in your environment. Using a customized template, you can modify the threshold values for triggering alarms, and enable or disable certain alarms for a set of targets.

Use the Alarm Templates dashboard to view the alarms and rules in the default factory template and customize those alarms as required for your environment.

For better understanding of Alarm Templates, review the concepts below:

Alarms

Viewing, Creating, and Managing Alarm Templates

Foglight uses alarm rules to define conditions that indicate problems in monitored systems. When these conditions are met, an alarm is triggered.

Alarm templates allow you to configure a set of alarm rules and apply these rules in bulk to targets in your environment. Using a customized template, you can modify the threshold values for triggering alarms, and enable or disable certain alarms for a set of targets.

Use the Alarm Templates dashboard to view the alarms and rules in the default factory template and customize those alarms as required for your environment.

For better understanding of Alarm Templates, review the concepts below:

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