Virtual Disk - Read Miss (MB)

HP.EVA.Virtual.Disk.ReadMissMB.CollectionRule (Rule)

Knowledge Base article:

Summary

Read Miss Data Rate

Configuration

This counter reports the rate of read data that was not present in the EVA cache memory and had to be read from physical disks.

Element properties:

Target	EVA.VirtualDisk
Category	PerformanceCollection
Enabled	True
Alert Generate	False
Remotable	True

Member Modules:

ID	Module Type	TypeId	RunAs
DS	DataSource	EVA.Virtual.Disk.Performance.DataSource	Default
DM	ConditionDetection	System.Performance.DataGenericMapper	Default
WriteToDB	WriteAction	Microsoft.SystemCenter.CollectPerformanceData	Default
WriteToDW	WriteAction	Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData	Default

Source Code:

<Rule ID="HP.EVA.Virtual.Disk.ReadMissMB.CollectionRule" Enabled="true" Target="EVA.VirtualDisk" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="EVA.Virtual.Disk.Performance.DataSource">

      <Name>$Target/Property[Type="System!System.Entity"]/DisplayName$</Name>

    </DataSource>

  </DataSources>

  <ConditionDetection ID="DM" TypeID="Performance!System.Performance.DataGenericMapper">

    <ObjectName>HP EVA Virtual Disk</ObjectName>

    <CounterName>Read Miss MB</CounterName>

    <InstanceName>$Target/Property[Type="EVA.VirtualDisk"]/LUNName$</InstanceName>

    <Value>$Data/Property[@Name='ReadMissMB']$</Value>

  </ConditionDetection>

  <WriteActions>

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

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

  </WriteActions>

</Rule>