clear alarm history

Function

The clear alarm history command clears a specific or all historical alarms.

Format

clear alarm history { all | sequence-number sequence-number }

Parameters

Parameter	Description	Value
all	Clears all historical alarms.	-
sequence-number sequence-number	Clears the sequence number of a historical alarm.	The value is an integer ranging from 1 to 4294967295.

Parameter

Description

Value

all

Clears all historical alarms.

sequence-number sequence-number

Clears the sequence number of a historical alarm.

The value is an integer ranging from 1 to 4294967295.

Views

Alarm management view

Default Level

3: Management level

Task Name and Operations

Task Name	Operations
fault-mgr	execute

Usage Guidelines

Usage Scenario

After a historical alarm that has been triggered by a fault is not needed because the fault has been rectified, run the clear alarm history command to clear the historical alarm.

Configuration Impact

After a historical alarm is cleared from the alarm list, the alarm cannot be restored.

Follow-up Procedure

Run the display alarm history command to view whether a historical alarm has been cleared.

Example

# Clear all historical alarms.

<HUAWEI> system-view
[~HUAWEI] alarm
[~HUAWEI-alarm] clear alarm history all

# Clear the historical alarm with the sequence number of 1.

<HUAWEI> system-view
[~HUAWEI] alarm
[~HUAWEI-alarm] clear alarm history sequence-numer 1