Free Space

QND.Windows.HyperV.2012.R2.VirtualDrive.FreeSpaceMonitor (UnitMonitor)

Knowledge Base article:

Summary

This monitor checks if there are enough free space on the virtual hard disk.

Configuration

This monitor generates a warning alert when the VHD has less than 2GB of free space, and a critical alert when the free space is below 200MB.

Resolutions

Increase the VHD size or free some space.

Element properties:

Target	QND.HyperV.2012R2.VirtualDrive
Parent Monitor	System.Health.AvailabilityState
Category	AvailabilityHealth
Enabled	True
Alert Generate	False
Alert Auto Resolve	True
Monitor Type	Microsoft.Windows.HyperV.DiskFreeSpaceMonitorType
Remotable	True
Accessibility	Public
RunAs	Default

Source Code:

<UnitMonitor ID="QND.Windows.HyperV.2012.R2.VirtualDrive.FreeSpaceMonitor" Accessibility="Public" Enabled="onEssentialMonitoring" Target="QND.HyperV.2012R2.VirtualDrive" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="HVLib!Microsoft.Windows.HyperV.DiskFreeSpaceMonitorType" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <OperationalStates>

    <OperationalState ID="EnoughSpace" MonitorTypeStateID="FreeSpaceAvailable" HealthState="Success"/>

    <OperationalState ID="PartialSpace" MonitorTypeStateID="PartialSpaceAvailable" HealthState="Warning"/>

    <OperationalState ID="NoSpace" MonitorTypeStateID="NoSpaceAvailable" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <VirtualDriveId>$Target/Property[Type="QND.HyperV.VMHardwareComponent"]/DeviceId$</VirtualDriveId>

    <WarningSize>2048</WarningSize>

    <ErrorSize>200</ErrorSize>

  </Configuration>

</UnitMonitor>