AlertParameters (AggregateMonitor)

아티클
05/16/2012

Applies To: Operations Manager 2007 R2, System Center Operations Manager 2007

Specifies the minimum unhealthy state at which an alert will be generated.

Schema Hierarchy

ManagementPack
  Monitoring
    Monitors
      AggregateMonitor
        AlertSettings (AggregateMonitor)
          AlertParameters (AggregateMonitor)

Syntax

<AlertParameters>
   <AlertParameter>parameterString</AlertParameter>
</AlertParameters>

Attributes and Elements

The following sections describe attributes, child elements, and the parent element of the AlertParameters element.

Attributes

None.

Child Elements

Element	Description
AlertParameter1	Optional element. Represents an alert parameter string that will substitute {0} in the display string’s description string value.
AlertParameter2	Optional element. Represents an alert parameter string that will substitute {1} in the display string’s description string value.
AlertParameter3	Optional element. Represents an alert parameter string that will substitute {2} in the display string’s description string value.
AlertParameter4	Optional element. Represents an alert parameter string that will substitute {3} in the display string’s description string value.
AlertParameter5	Optional element. Represents an alert parameter string that will substitute {4} in the display string’s description string value.
AlertParameter6	Optional element. Represents an alert parameter string that will substitute {5} in the display string’s description string value.
AlertParameter7	Optional element. Represents an alert parameter string that will substitute {6} in the display string’s description string value.
AlertParameter8	Optional element. Represents an alert parameter string that will substitute {7} in the display string’s description string value.
AlertParameter9	Optional element. Represents an alert parameter string that will substitute {8} in the display string’s description string value.
AlertParameter10	Optional element. Represents an alert parameter string that will substitute {9} in the display string’s description string value.

Parent Elements

Element	Description
AlertSettings (AggregateMonitor)	Defines the alert to generate when the monitor reflects a specified unhealthy state.

Remarks

Alert parameters allow you to provide contextual information in your alert descriptions. Up to 10 alert parameters can be defined. Consider the following monitor definition that contains two alert parameters:

<UnitMonitor ID="Microsoft.SQLServer.2005.DBEngine.ServiceMonitor" Accessibility="Internal" Enabled="true" Target="SQL2005Core!Microsoft.SQLServer.2005.DBEngine" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.CheckNTServiceStateMonitorType" ConfirmDelivery="false">
  <Category>AvailabilityHealth</Category>
  <AlertSettings AlertMessage="Microsoft.SQLServer.2005.DBEngine.ServiceMonitor.AlertMessage">
    <AlertOnState>Error</AlertOnState>
    <AutoResolve>true</AutoResolve> 
    <AlertPriority>Normal</AlertPriority> 
    <AlertSeverity>Error</AlertSeverity> 
    <AlertParameters>
      <AlertParameter1>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</AlertParameter1>
      <AlertParameter2>$Target/Property[Type="SQL!Microsoft.SQLServer.ServerRole"]/InstanceName$</AlertParameter2>
    </AlertParameters>
  </AlertSettings>
  <OperationalStates>
    <OperationalState ID="Success" MonitorTypeStateID="Running" HealthState="Success"/>
    <OperationalState ID="Error" MonitorTypeStateID="NotRunning" HealthState="Error"/>
  </OperationalStates>
  <Configuration>
    <ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
    <ServiceName>$Target/Property[Type="SQL!Microsoft.SQLServer.DBEngine"]/ServiceName$</ServiceName>
  </Configuration>
</UnitMonitor>

Each alert parameter uses variable notation to provide contextual values. In this case, PrincipalName and InstanceName are the instance-specific properties that will be used to construct the actual alert description that is displayed to the user.

To use the alert parameter feature, you must define the AlertMessage attribute on the AlertSettings (AggregateMonitor) element. The definition must be an ID of a StringResource element defined in your management pack.

<StringResources>
  <StringResource ID="Microsoft.SQLServer.2005.DBEngine.ServiceMonitor.AlertMessage"/>
</StringResources>

Next, you must define a DisplayString element that defines the name and description of your alert message. The display string element references the string resource, Microsoft.SQLServer.2005.DBEngine.ServiceMonitor.AlertMessage. Display strings are located in the LanguagePack section of your management pack. The description string allows for string substitution, where {0} is substituted by AlertParameter1, and {1} is substituted by AlertParameter2.

<DisplayStrings>
  <DisplayString ElementID="Microsoft.SQLServer.2005.DBEngine.ServiceMonitor.AlertMessage">
    <Name>SQL Server Service Stopped</Name>
    <Description>The Windows service for the DB Engine instance {1} has stopped on computer {0}.</Description>
  </DisplayString>
</DisplayStrings>

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