Viewing Alarms

Alarms are reported when AOM or an external service is abnormal or may cause exceptions. You need to take measures accordingly. Otherwise, service exceptions may occur. The Alarms tab page allows you to query and handle alarms, so that you can quickly detect, locate, and rectify faults.

Function Introduction

The alarm list provides the following key functions:

Alarm list: View alarm information by alarm severity in a graph.
Advanced filtering: You can filter alarms by alarm severity, source, or keyword in the search box. By default, alarms are filtered by alarm severity.
Alarm deletion: Delete alarms one by one or in batches.
Alarm details: View the alarm object and handling suggestions in the alarm details. Handling suggestions are provided for all alarms.

Procedure

Log in to the AOM 2.0 console.
In the navigation pane, choose Alarm Management > Alarm List.
Click the Alarms tab to view the alarm information.
1. Set a time range to view alarms. There are two methods to set a time range:
  Method 1: Use a predefined time label, such as Last hour or Last 6 hours. You can select a time range as required.
  
  Method 2: Specify the start time and end time (max. 31 days).
2. Set the interval for refreshing alarms. Click and select a value from the drop-down list, such as Refresh manually or 1 minute auto refresh.
3. Set filter criteria and click to view the alarms generated in the period.

Perform the operations listed in Table 1 as required:

**Table 1** Operations
Operation	Description
Viewing alarm statistics	Click , and view alarm statistics that meet filter criteria within a specific time range on a bar graph.
Clearing alarms	To clear an alarm, click in the Operation column of the target alarm. To clear one or more alarms, select them and click Clear in the displayed dialog box. NOTE: You can clear alarms after the problems that cause them are resolved.
Viewing alarm details	Click an alarm name to view alarm details, including alarm information and handling suggestions. You can also view a bound alarm action rule or alarm noise reduction rule if there is any. On the Alarm Info tab page, click the alarm rule, log group, or log stream in blue to drill down to view details.
Viewing cleared alarms	Click Active Alarms in the upper right corner and select Historical Alarms from the drop-down list to view alarms that have been cleared.