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Average Disk Seconds Per Write (Log)

Microsoft.Exchange2007.PerformanceMonitor.MailboxLog.LogicalDisk.AvgDisksecWrite (UnitMonitor)

Monitor the performance counter LogicalDisk\Avg Disk Sec Per Write

Knowledge Base article:

External

For more information, see the respective topic at the Microsoft Exchange Server TechCenter

Element properties:

TargetMicrosoft.Exchange2007.Component.Disk.MailboxLog
Parent MonitorMicrosoft.Exchange2007.AggregateMonitor.LogicalDisk
CategoryPerformanceHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Exchange2007.Performance.FilteredConsecutiveSamplesThreshold.MonitorType
RemotableTrue
AccessibilityInternal
Alert Message
Log Disk Write Latency is too high
Log Disk Write Latency on Exchange server {0} has been above the configured threshold for {1} samples with last value being {2}
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.Exchange2007.PerformanceMonitor.MailboxLog.LogicalDisk.AvgDisksecWrite" Accessibility="Internal" Enabled="onEssentialMonitoring" Target="ExLibrary!Microsoft.Exchange2007.Component.Disk.MailboxLog" ParentMonitorID="Microsoft.Exchange2007.AggregateMonitor.LogicalDisk" Remotable="true" Priority="Normal" TypeID="Microsoft.Exchange2007.Performance.FilteredConsecutiveSamplesThreshold.MonitorType" ConfirmDelivery="true">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Microsoft.Exchange2007.PerformanceMonitor.MailboxLog.LogicalDisk.AvgDisksecWrite.AlertMessage">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</AlertParameter1>

      <AlertParameter2>$Data/Context/Value$</AlertParameter2>

      <AlertParameter3>$Data/Context/SampleValue$</AlertParameter3>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="ConditionFalse" MonitorTypeStateID="ConditionFalse" HealthState="Success"/>

    <OperationalState ID="ConditionTrue" MonitorTypeStateID="ConditionTrue" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <ComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

    <CounterName>Avg. Disk sec/Write</CounterName>

    <ObjectName>LogicalDisk</ObjectName>

    <InstanceName>$Target/Property[Type="ExLibrary!Microsoft.Exchange2007.Component.Disk"]/DeviceID$</InstanceName>

    <AllInstances>false</AllInstances>

    <Frequency>60</Frequency>

    <Expression/>

    <Threshold>50</Threshold>

    <Direction>greater</Direction>

    <NumSamples>5</NumSamples>

  </Configuration>

</UnitMonitor>