Alarm ServiceAlarm Rules

Alarm Rules

Before creating a new alarm, you may want to familiarize yourself with the alarm rules. This section will demonstrate how to configure alarm rules for resource-based and event-based alarms.

Resource Alarm Rules

Parameter

Description

Example

Resource Type

The type of resource monitored by the alarm.

Virtual Machine

Metric Item

Types and names of various monitoring metrics.

CPU Usage

Resource

The specific resource object monitored by the alarm.

/

Alarm Trigger Rule

Comparison Relation

Defines how the detected metric value compares to the threshold.Comparison relations include >, ≥, <, and ≤.

Threshold

The threshold value and unit that triggers an alarm.

85%

Duration

The duration for which the alarm must continuously trigger before sending an alarm message.Durations include 30 seconds, 1 minute, 5 minutes, 10 minutes, 30 minutes, 1 hour, custom.

5 minutes

Alarm Interval

When an alarm is triggered, it notifies at a specific interval.Intervals include once only, every 1 hour, custom.

Every 1 hour

Emergency Level

Alarm message levels include Emergent, Major, Info.

Major

Recovery Notification

Sends a recovery notification when the monitored resource returns from an alarm state to a normal state.

/

Event Alarm Rules

ParameterDescriptionExample
Resource TypeThe type of resource monitored by the alarm.Data Storage
Metric ItemName of the monitored event or metric.Data Storage Disconnected
Emergency LevelAlarm message levels include Emergent, Major, Info.Emergent

On this page