ActiveSync: rate of I/O requests to Exchange server (requests/sec)

Microsoft.Exchange.Protocol.EAS.PendingIORate.Collection (Rule)

Performance Collection for ActiveSync: rate of I/O requests to Exchange server (requests/sec)

Knowledge Base article:

Summary

This counter reports the current rate of input/output requests sent to the Exchange server by Server ActiveSync.

This information is collected and is exposed one or more Views and/or Reports.

Element properties:

Target	Microsoft.Exchange.Protocol.EAS
Category	PerformanceCollection
Enabled	True
Instance Name	Microsoft Exchange ActiveSync
Counter Name	Exchange Mailbox Server I/O Requests/Sec
Frequency	900
Alert Generate	False
Remotable	True

Member Modules:

ID	Module Type	TypeId	RunAs
Microsoft.Exchange.Protocol.EAS.PendingIORate.DS	DataSource	System.Performance.OptimizedDataProvider	Default
WriteToDB	WriteAction	Microsoft.SystemCenter.CollectPerformanceData	Default
WriteToDW	WriteAction	Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData	Default

Source Code:

<Rule ID="Microsoft.Exchange.Protocol.EAS.PendingIORate.Collection" Enabled="onEssentialMonitoring" Target="Exch2003Core!Microsoft.Exchange.Protocol.EAS" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="Microsoft.Exchange.Protocol.EAS.PendingIORate.DS" TypeID="SystemPerf!System.Performance.OptimizedDataProvider">

      <ComputerName/>

      <CounterName>Exchange Mailbox Server I/O Requests/Sec</CounterName>

      <ObjectName>Microsoft Exchange ActiveSync</ObjectName>

      <InstanceName/>

      <AllInstances>false</AllInstances>

      <Frequency>900</Frequency>

      <Tolerance>5</Tolerance>

      <ToleranceType>Percentage</ToleranceType>

      <MaximumSampleSeparation>4</MaximumSampleSeparation>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectPerformanceData"/>

    <WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData"/>

  </WriteActions>

</Rule>