Clustered Data ONTAP Virtualization: Virtual Hard Disk LUN Space Reservation Monitor

DataONTAP.Cluster.Virtualization.HyperV.VhdOnLUN.LUNSpaceReservationMonitor (UnitMonitor)

The Virtual Hard Disk LUN Space Reservation Monitor monitors the OnCommand event log for events generated by the Virtual Hard Disk LUN Monitoring Rule and generates corresponding Operations Manager alerts.

Knowledge Base article:

Summary

Resolutions

The alert indicates that space reservation is enabled for the LUN underlying the VHD. When space reservation is enabled, space for the LUN is preallocated from the volume.

If you want space for the LUN to be preallocated from the volume, ignore this alert. Otherwise, disable space reservation.

If you want space reservation to be enabled but do not want to receive these alerts, use the SCOM rule override feature to disable the Virtual Hard Disk LUN Monitoring Rule.

Element properties:

Target

DataONTAP.Cluster.Virtualization.HyperV.VhdOnLUN

Parent Monitor

System.Health.ConfigurationState

Category

ConfigurationHealth

Enabled

True

Alert Generate

True

Alert Severity

MatchMonitorHealth

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

Microsoft.Windows.2SingleEventLog2StateMonitorType

Remotable

True

Accessibility

Public

Alert Message

Clustered Data ONTAP Virtualization: Virtual Hard Disk LUN Space Reservation Monitor

{0}

RunAs

DataONTAP.SecureReference.RunAsProfileVirtualization

Source Code:

<UnitMonitor ID="DataONTAP.Cluster.Virtualization.HyperV.VhdOnLUN.LUNSpaceReservationMonitor" Accessibility="Public" Enabled="true" Target="DataONTAP.Cluster.Virtualization.HyperV.VhdOnLUN" ParentMonitorID="Health!System.Health.ConfigurationState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.2SingleEventLog2StateMonitorType" ConfirmDelivery="false" RunAs="DS!DataONTAP.SecureReference.RunAsProfileVirtualization">

  <Category>ConfigurationHealth</Category>

  <AlertSettings AlertMessage="DataONTAP.Cluster.Virtualization.HyperV.VhdOnLUN.LUNSpaceReservationMonitor.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Data/Context/EventDescription$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

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

    <OperationalState ID="SecondEventRaised" MonitorTypeStateID="SecondEventRaised" HealthState="Warning"/>

  </OperationalStates>

  <Configuration>

    <FirstComputerName/>

    <FirstLogName>OnCommand</FirstLogName>

    <FirstExpression>

      <And>

        <Expression>

          <Or>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">26020</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">26023</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </Or>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">PublisherName</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">Clustered Data ONTAP Virtualization MP</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[1]</XPathQuery>

            </ValueExpression>

            <Operator>ContainsSubstring</Operator>

            <Pattern>$Target/Property[Type="DataONTAP.Cluster.Virtualization.HyperV.AbstractVHDOnStorage"]/HostFqdn$</Pattern>

          </RegExExpression>

        </Expression>

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[1]</XPathQuery>

            </ValueExpression>

            <Operator>ContainsSubstring</Operator>

            <Pattern>$Target/Property[Type="DataONTAP.Cluster.Virtualization.HyperV.AbstractVHDOnStorage"]/VHDPath$</Pattern>

          </RegExExpression>

        </Expression>

      </And>

    </FirstExpression>

    <SecondComputerName/>

    <SecondLogName>OnCommand</SecondLogName>

    <SecondExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">26021</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">PublisherName</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">Clustered Data ONTAP Virtualization MP</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[1]</XPathQuery>

            </ValueExpression>

            <Operator>ContainsSubstring</Operator>

            <Pattern>$Target/Property[Type="DataONTAP.Cluster.Virtualization.HyperV.AbstractVHDOnStorage"]/HostFqdn$</Pattern>

          </RegExExpression>

        </Expression>

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[1]</XPathQuery>

            </ValueExpression>

            <Operator>ContainsSubstring</Operator>

            <Pattern>$Target/Property[Type="DataONTAP.Cluster.Virtualization.HyperV.AbstractVHDOnStorage"]/VHDPath$</Pattern>

          </RegExExpression>

        </Expression>

      </And>

    </SecondExpression>

  </Configuration>

</UnitMonitor>