VMFSIncrease - bug fix

Fixed bug in New-VmfsDatastoreIncrease -Datastore <ds> -Expand -IncreaseSizeGB <size>

Modules/VMFSIncrease/LICENSE.txt.URL

@@ -0,0 +1,6 @@
+[InternetShortcut]
+URL=https://github.com/lucdekens/LogInsight/blob/v1.0/LICENSE.txt
+IDList=
+HotKey=0
+IconFile=C:\Users\ldekens\AppData\Local\Mozilla\Firefox\Profiles\2ahnnh1i.default\shortcutCache\ec4nFcIEAQBPFmSiPtTJ2w==.ico
+IconIndex=0

Modules/VMFSIncrease/VMFSIncrease.psd1

@@ -0,0 +1,18 @@
+@{
+	ModuleToProcess = 'VMFSIncrease.psm1'
+	ModuleVersion = '1.0.0.0'
+	GUID = '9f167385-c5c6-4a65-ac14-949c67519001'
+	Author = 'Luc Dekens '
+	CompanyName = 'Community'
+	Copyright = '(c) 2016. All rights reserved.'
+	Description = 'Expand and Extend VMFS DatastoresModule description'
+	PowerShellVersion = '3.0'
+	FunctionsToExport = 'Get-VmfsDatastoreInfo','Get-VmfsDatastoreIncrease','New-VmfsDatastoreIncrease'
+	PrivateData = @{
+		PSData = @{
+			Tags = @('VMFS','Expand','Extend','vSphere')
+			LicenseUri = 'https://www.tldrlegal.com/l/mit'
+			ProjectUri = 'https://github.com/lucdekens/VMFSIncrease'
+		}
+	}
+}

Modules/VMFSIncrease/VMFSIncrease.psm1

@@ -0,0 +1,247 @@
+function Get-VmfsDatastoreInfo
+{
+	[CmdletBinding(SupportsShouldProcess = $True)]
+	param (
+		[Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $True)]
+		[PSObject]$Datastore
+	)
+	
+	Process
+	{
+		if ($Datastore -is [String])
+		{
+			$Datastore = Get-Datastore -Name $Datastore -ErrorAction SilentlyContinue
+		}
+		if ($Datastore -isnot [VMware.VimAutomation.ViCore.Types.V1.DatastoreManagement.Datastore])
+		{
+			Write-Error 'Invalid value for Datastore.'
+			return
+		}
+		if ($Datastore.Type -ne 'VMFS')
+		{
+			Write-Error "$($Datastore.Name) is not a VMFS datastore"
+			return
+		}
+		
+		# Get the Datastore System Manager from an ESXi that has the Datastore
+		$esx = Get-View -Id ($Datastore.ExtensionData.Host | Get-Random | Select -ExpandProperty Key)
+		$hsSys = Get-View -Id $esx.ConfigManager.StorageSystem
+		
+		foreach ($extent in $Datastore.ExtensionData.Info.Vmfs.Extent)
+		{
+			$lun = $esx.Config.StorageDevice.ScsiLun | where{ $_.CanonicalName -eq $extent.DiskName }
+			
+			$hdPartInfo = $hsSys.RetrieveDiskPartitionInfo($lun.DeviceName)
+			$hdPartInfo[0].Layout.Partition | %{
+				New-Object PSObject -Property ([ordered]@{
+						Datastore = $Datastore.Name
+						CanonicalName = $lun.CanonicalName
+						Model = "$($lun.Vendor.TrimEnd(' ')).$($lun.Model.TrimEnd(' ')).$($lun.Revision.TrimEnd(' '))"
+						DiskSizeGB = $hdPartInfo[0].Layout.Total.BlockSize * $hdPartInfo[0].Layout.Total.Block / 1GB
+						DiskBlocks = $hdPartInfo[0].Layout.Total.Block
+						DiskBlockMB = $hdPartInfo[0].Layout.Total.BlockSize/1MB
+						PartitionFormat = $hdPartInfo[0].Spec.PartitionFormat
+						Partition = if ($_.Partition -eq '') { '<free>' }else{ $_.Partition }
+						Used = $extent.Partition -eq $_.Partition
+						Type = $_.Type
+						PartitionSizeGB = [math]::Round(($_.End.Block - $_.Start.Block + 1) * $_.Start.BlockSize / 1GB, 1)
+						PartitionBlocks = $_.End.Block - $_.Start.Block + 1
+						PartitionBlockMB = $_.Start.BlockSize/1MB
+						Start = $_.Start.Block
+						End = $_.End.Block
+					})
+			}
+		}
+	}
+}
+
+function Get-VmfsDatastoreIncrease
+{
+	[CmdletBinding(SupportsShouldProcess = $True)]
+	param (
+		[Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $True)]
+		[PSObject]$Datastore
+	)
+	
+	Process
+	{
+		if ($Datastore -is [String])
+		{
+			$Datastore = Get-Datastore -Name $Datastore -ErrorAction SilentlyContinue
+		}
+		if ($Datastore -isnot [VMware.VimAutomation.ViCore.Types.V1.DatastoreManagement.Datastore])
+		{
+			Write-Error 'Invalid value for Datastore.'
+			return
+		}
+		
+		if ($Datastore.Type -ne 'VMFS')
+		{
+			Write-Error "$($Datastore.Name) is not a VMFS datastore"
+			return
+		}
+		
+		# Get the Datastore System Manager from an ESXi that has the Datastore
+		$esx = Get-View -Id ($Datastore.ExtensionData.Host | Get-Random | Select -ExpandProperty Key)
+		$hsSys = Get-View -Id $esx.ConfigManager.StorageSystem
+		$hdSys = Get-View -Id $esx.ConfigManager.DatastoreSystem
+		
+		$extents = $Datastore.ExtensionData.Info.Vmfs.Extent | Select -ExpandProperty DiskName
+		
+		$hScsiDisk = $hdSys.QueryAvailableDisksForVmfs($Datastore.ExtensionData.MoRef)
+		foreach ($disk in $hScsiDisk)
+		{
+			$partInfo = $hsSys.RetrieveDiskPartitionInfo($disk.DeviceName)
+			$partUsed = ($partInfo[0].Layout.Partition | where{ $_.Type -eq 'VMFS' } | %{ ($_.End.Block - $_.Start.Block + 1) * $_.Start.BlockSize } |
+				Measure-Object -Sum | select -ExpandProperty Sum)/1GB
+			if ($extents -contains $disk.CanonicalName)
+			{
+				$incType = 'Expand'
+				$vmfsExpOpt = $hdSys.QueryVmfsDatastoreExpandOptions($Datastore.ExtensionData.MoRef)
+				$PartMax = ($vmfsExpOpt[0].Info.Layout.Partition | where{ $_.Type -eq 'VMFS' } | %{ ($_.End.Block - $_.Start.Block + 1) * $_.Start.BlockSize } |
+					Measure-Object -Sum | select -ExpandProperty Sum)/1GB
+			}
+			else
+			{
+				$incType = 'Extend'
+				$vmfsExtOpt = $hdSys.QueryVmfsDatastoreExtendOptions($Datastore.ExtensionData.MoRef, $disk.DevicePath, $null)
+				$partMax = ($vmfsExpOpt[0].Info.Layout.Partition | where{ $_.Type -eq 'VMFS' } | %{ ($_.End.Block - $_.Start.Block + 1) * $_.Start.BlockSize } |
+					Measure-Object -Sum | select -ExpandProperty Sum)/1GB
+			}
+			New-Object PSObject -Property ([ordered]@{
+					Datastore = $Datastore.Name
+					CanonicalName = $disk.CanonicalName
+					Model = "$($disk.Vendor.TrimEnd(' ')).$($disk.Model.TrimEnd(' ')).$($disk.Revision.TrimEnd(' '))"
+					DiskSizeGB = $partInfo[0].Layout.Total.BlockSize * $partInfo[0].Layout.Total.Block / 1GB
+					DiskBlocks = $partInfo[0].Layout.Total.Block
+					DiskBlockMB = $partInfo[0].Layout.Total.BlockSize/1MB
+					AvailableGB = [math]::Round($partMax - $partUsed, 2)
+					Type = $incType
+				})
+		}
+	}
+}
+
+function New-VmfsDatastoreIncrease
+{
+	[CmdletBinding(SupportsShouldProcess = $True)]
+	param (
+		[Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $True)]
+		[PSObject]$Datastore,
+		[int]$IncreaseSizeGB,
+		[Parameter(Position = 1)]
+		[string]$CanonicalName,
+		[Parameter(Mandatory = $true, ParameterSetName = 'Expand')]
+		[switch]$Expand,
+		[Parameter(Mandatory = $true, ParameterSetName = 'ExTend')]
+		[switch]$Extend
+	)
+	
+	Process
+	{
+		if ($Datastore -is [String])
+		{
+			$Datastore = Get-Datastore -Name $Datastore -ErrorAction SilentlyContinue
+		}
+		if ($Datastore -isnot [VMware.VimAutomation.ViCore.Types.V1.DatastoreManagement.Datastore])
+		{
+			Write-Error 'Invalid value for Datastore.'
+			return
+		}
+		
+		if ($Datastore.Type -ne 'VMFS')
+		{
+			Write-Error "$($Datastore.Name) is not a VMFS datastore"
+			return
+		}
+		
+		# Get the Datastore System Manager from an ESXi that has the Datastore
+		$esx = Get-View -Id ($Datastore.ExtensionData.Host | Get-Random | Select -ExpandProperty Key)
+		$hsSys = Get-View -Id $esx.ConfigManager.StorageSystem
+		$hdSys = Get-View -Id $esx.ConfigManager.DatastoreSystem
+		
+		$extents = $Datastore.ExtensionData.Info.Vmfs.Extent | Select -ExpandProperty DiskName
+		
+		$hScsiDisk = $hdSys.QueryAvailableDisksForVmfs($Datastore.ExtensionData.MoRef)
+		
+		# Expand or Extend
+		switch ($PSCmdlet.ParameterSetName)
+		{
+			'Expand' {
+				$expOpt = $hdSys.QueryVmfsDatastoreExpandOptions($Datastore.ExtensionData.MoRef)
+				if ($CanonicalName)
+				{
+					$dsOpt = $expOpt | where{ $_.Spec.Extent.DiskName -eq $CanonicalName }
+				}
+				else
+				{
+					$dsOpt = $expOpt | Sort-Object -Property { $_.Spec.Extent.Diskname } | select -first 1
+				}
+				if ($IncreaseSizeGB -ne 0)
+				{
+					$lun = $hScsiDisk | where{ $_.CanonicalName -eq $dsOpt.Spec.Extent.DiskName }
+					$partInfo = $hsSys.RetrieveDiskPartitionInfo($lun.DeviceName)
+					$partMax = ($expOpt[0].Info.Layout.Partition | where{ $_.Type -eq 'VMFS' } | %{ ($_.End.Block - $_.Start.Block + 1) * $_.Start.BlockSize } |
+						Measure-Object -Sum | select -ExpandProperty Sum)/1GB
+					$partUsed = ($partInfo[0].Layout.Partition | where{ $_.Type -eq 'VMFS' } | %{ ($_.End.Block - $_.Start.Block + 1) * $_.Start.BlockSize } |
+						Measure-Object -Sum | select -ExpandProperty Sum)/1GB
+					if (($partMax - $partUsed) -ge $IncreaseSizeGB)
+					{
+						$spec = $dsOpt.Spec
+						$spec.Partition.Partition[0].EndSector -= ([math]::Floor(($partMax - $partUsed - $IncreaseSizeGB) * 1GB/512))
+					}
+					else
+					{
+						Write-Error "Requested expand size $($IncreaseSizeGB)GB not available on $($lun.CanonicalName)"
+						return
+					}
+				}
+				else
+				{
+					$spec = $dsOpt.Spec
+				}
+				$hdSys.ExpandVmfsDatastore($Datastore.ExtensionData.MoRef, $spec)
+			}
+			'Extend' {
+				if ($CanonicalName)
+				{
+					$lun = $hScsiDisk | where{ $extents -notcontains $_.CanonicalName -and $_.CanonicalName -eq $CanonicalName }
+				}
+				else
+				{
+					$lun = $hScsiDisk | where{ $extents -notcontains $_.CanonicalName } | Sort-Object -Property CanonicalName | select -First 1
+				}
+				if (!$lun)
+				{
+					Write-Error "No valid LUN provided or found for extent"
+					return
+				}
+				$vmfsExtOpt = $hdSys.QueryVmfsDatastoreExtendOptions($Datastore.ExtensionData.MoRef, $lun.DevicePath, $null)
+				if ($IncreaseSizeGB -ne 0)
+				{
+					$partInfo = $hsSys.RetrieveDiskPartitionInfo($lun.DeviceName)
+					$partMax = ($vmfsExpOpt[0].Info.Layout.Partition | where{ $_.Type -eq 'VMFS' } | %{ ($_.End.Block - $_.Start.Block + 1) * $_.Start.BlockSize } |
+						Measure-Object -Sum | select -ExpandProperty Sum)/1GB
+					if ($partMax -ge $IncreaseSizeGB)
+					{
+						$spec = $vmfsExtOpt[0].Spec
+						$spec.Partition.Partition[0].EndSector = $spec.Partition.Partition[0].StartSector + [math]::Floor($IncreaseSizeGB * 1GB / 512)
+					}
+					else
+					{
+						Write-Error "No valid LUN for extent with $($IncreaseSizeGB)GB space found"
+						return
+					}
+				}
+				else
+				{
+					$spec = $vmfsExtOpt.Spec
+				}
+				
+				$hdSys.ExtendVmfsDatastore($Datastore.ExtensionData.MoRef, $spec)
+			}
+		}
+	}
+}
+
+Export-ModuleMember -Function Get-VmfsDatastoreInfo,Get-VmfsDatastoreIncrease,New-VmfsDatastoreIncrease

Modules/VMFSIncrease/en-US/VMFSIncrease.psm1-Help.xml

@@ -0,0 +1,473 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<helpItems xmlns="http://msh" schema="maml">
+	<!--Edited with: SAPIEN PowerShell HelpWriter 2015 v1.0.16-->
+	<!--Generated by: SAPIEN PowerShell HelpWriter 2015 v1.0.16-->
+	<!--
+		Module: 		VMFSIncrease
+		Version:		1.0.0.0
+	-->
+	<!--All Commands-->
+	<command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10">
+		<!--Command-->
+		<command:details>
+			<command:name>Get-VmfsDatastoreInfo</command:name>
+			<maml:description>
+				<maml:para>Provides partition information for all the extents in the datastore.</maml:para>
+			</maml:description>
+			<maml:copyright>
+				<maml:para/>
+			</maml:copyright>
+			<command:verb>Get</command:verb>
+			<command:noun>VmfsDatastoreInfo</command:noun>
+			<dev:version/>
+		</command:details>
+		<maml:description>
+			<maml:para>The function will display partition information for all the extents used by the datastore.</maml:para>
+		</maml:description>
+		<command:syntax>
+			<!--Parameter Sets-->
+			<command:syntaxItem>
+				<maml:name>Get-VmfsDatastoreInfo</maml:name>
+				<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="True (ByValue)" position="0" aliases="">
+					<maml:name>Datastore</maml:name>
+					<maml:description>
+						<maml:para>The name of the Datastore or a PowerCLI Datastore object</maml:para>
+					</maml:description>
+					<command:parameterValue required="true" variableLength="false">PSObject</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+			</command:syntaxItem>
+		</command:syntax>
+		<command:parameters>
+			<!--All Parameters-->
+			<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="True (ByValue)" position="0" aliases="">
+				<maml:name>Datastore</maml:name>
+				<maml:description>
+					<maml:para>The name of the Datastore or a PowerCLI Datastore object</maml:para>
+				</maml:description>
+				<command:parameterValue required="true" variableLength="false">PSObject</command:parameterValue>
+				<dev:type>
+					<maml:name>PSObject</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<dev:defaultValue>
+				</dev:defaultValue>
+			</command:parameter>
+		</command:parameters>
+		<command:inputTypes>
+			<!--Inputs-->
+			<command:inputType>
+				<dev:type>
+					<maml:name>System.Management.Automation.PSObject
+					</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<maml:description>
+					<maml:para/>
+				</maml:description>
+			</command:inputType>
+		</command:inputTypes>
+		<command:returnValues>
+			<!--Outputs-->
+			<command:returnValue>
+				<dev:type>
+					<maml:name>System.Object</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<maml:description>
+					<maml:para/>
+				</maml:description>
+			</command:returnValue>
+		</command:returnValues>
+		<command:examples>
+			<!--Examples-->
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>Get-VmfsDatastoreInfo -Datastore MyDS</dev:code>
+				<dev:remarks>
+					<maml:para>Will return partition information for the Datastore named MyDS</maml:para>
+				</dev:remarks>
+			</command:example>
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 2 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>Get-Datastore -Name My* | Get-VmfsDatastoreInfo</dev:code>
+				<dev:remarks>
+					<maml:para>This example will return partition information for all the Datastore objects that are returned by the Get-Datastore PowerCLI cmdlet</maml:para>
+				</dev:remarks>
+			</command:example>
+		</command:examples>
+	</command:command>
+	<command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10">
+		<!--Command-->
+		<command:details>
+			<command:name>Get-VmfsDatastoreIncrease</command:name>
+			<maml:description>
+				<maml:para>Displays the increase options for a datastore</maml:para>
+			</maml:description>
+			<maml:copyright>
+				<maml:para/>
+			</maml:copyright>
+			<command:verb>Get</command:verb>
+			<command:noun>VmfsDatastoreIncrease</command:noun>
+			<dev:version/>
+		</command:details>
+		<maml:description>
+			<maml:para>The function will provide all the Expand and Extend options for a specific datastore</maml:para>
+		</maml:description>
+		<command:syntax>
+			<!--Parameter Sets-->
+			<command:syntaxItem>
+				<maml:name>Get-VmfsDatastoreIncrease</maml:name>
+				<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="True (ByValue)" position="0" aliases="">
+					<maml:name>Datastore</maml:name>
+					<maml:description>
+						<maml:para>The name of the Datastore or a PowerCLI Datastore object</maml:para>
+					</maml:description>
+					<command:parameterValue required="true" variableLength="false">PSObject</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+			</command:syntaxItem>
+		</command:syntax>
+		<command:parameters>
+			<!--All Parameters-->
+			<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="True (ByValue)" position="0" aliases="">
+				<maml:name>Datastore</maml:name>
+				<maml:description>
+					<maml:para>The name of the Datastore or a PowerCLI Datastore object</maml:para>
+				</maml:description>
+				<command:parameterValue required="true" variableLength="false">PSObject</command:parameterValue>
+				<dev:type>
+					<maml:name>PSObject</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<dev:defaultValue>
+				</dev:defaultValue>
+			</command:parameter>
+		</command:parameters>
+		<command:inputTypes>
+			<!--Inputs-->
+			<command:inputType>
+				<dev:type>
+					<maml:name>System.Management.Automation.PSObject
+					</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<maml:description>
+					<maml:para/>
+				</maml:description>
+			</command:inputType>
+		</command:inputTypes>
+		<command:returnValues>
+			<!--Outputs-->
+			<command:returnValue>
+				<dev:type>
+					<maml:name>System.Object</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<maml:description>
+					<maml:para/>
+				</maml:description>
+			</command:returnValue>
+		</command:returnValues>
+		<command:examples>
+			<!--Examples-->
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>Get-VmfsDatastoreIncrease -Datastore MyDS</dev:code>
+				<dev:remarks>
+					<maml:para>The exmaple will list all Expand and Extend options available for the Datastore, named MyDS</maml:para>
+				</dev:remarks>
+			</command:example>
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 2 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>Get-Datastore -Name MyDS* | Get-VmfsDatastoreIncrease</dev:code>
+				<dev:remarks>
+					<maml:para>The Expand and Extend options for all Datastore retruned by the PowerCLI Get-Datastore will be returned.</maml:para>
+				</dev:remarks>
+			</command:example>
+		</command:examples>
+	</command:command>
+	<command:command xmlns:maml="http://schemas.microsoft.com/maml/2004/10" xmlns:command="http://schemas.microsoft.com/maml/dev/command/2004/10" xmlns:dev="http://schemas.microsoft.com/maml/dev/2004/10">
+		<!--Command-->
+		<command:details>
+			<command:name>New-VmfsDatastoreIncrease</command:name>
+			<maml:description>
+				<maml:para>Increase the capacity of a Datastore</maml:para>
+			</maml:description>
+			<maml:copyright>
+				<maml:para/>
+			</maml:copyright>
+			<command:verb>New</command:verb>
+			<command:noun>VmfsDatastoreIncrease</command:noun>
+			<dev:version/>
+		</command:details>
+		<maml:description>
+			<maml:para>The capacity of the Datastore in increased through an Expand or an Extend.
+To allow successful completion there shall be free capacity on one of the Extents, or there shall be free LUNs available.
+With the Expand or Extend switches the caller selects which type of capacity increase is used.</maml:para>
+		</maml:description>
+		<command:syntax>
+			<!--Parameter Sets-->
+			<command:syntaxItem>
+				<maml:name>New-VmfsDatastoreIncrease</maml:name>
+				<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="True (ByValue)" position="0" aliases="">
+					<maml:name>Datastore</maml:name>
+					<maml:description>
+						<maml:para>The name of the Datastore or a PowerCLI Datastore object</maml:para>
+					</maml:description>
+					<command:parameterValue required="true" variableLength="false">PSObject</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+				<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="1" aliases="">
+					<maml:name>CanonicalName</maml:name>
+					<maml:description>
+						<maml:para>The Canonical name of the LUN on which to create a new Extent, or the name of the LUN on which to apply the Expansion.
+If this parameter is not provided, the function will sort the available LUN alphanumerically on the Canonical names and slect the first one.</maml:para>
+					</maml:description>
+					<command:parameterValue required="false" variableLength="false">String</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+				<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="named" aliases="">
+					<maml:name>IncreaseSizeGB</maml:name>
+					<maml:description>
+						<maml:para>The amount of GB by which to increase the size of the Datastore.
+If this parameter is not used, all of the available Expand or Extend diskspace will be used.</maml:para>
+					</maml:description>
+					<command:parameterValue required="false" variableLength="false">Int32</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+				<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="false" position="named" aliases="">
+					<maml:name>Expand</maml:name>
+					<maml:description>
+						<maml:para>A switch to indicate if the Datastore shall be Expanded</maml:para>
+					</maml:description>
+					<command:parameterValue required="false" variableLength="false">SwitchParameter</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+			</command:syntaxItem>
+			<command:syntaxItem>
+				<maml:name>New-VmfsDatastoreIncrease</maml:name>
+				<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="True (ByValue)" position="0" aliases="">
+					<maml:name>Datastore</maml:name>
+					<maml:description>
+						<maml:para>The name of the Datastore or a PowerCLI Datastore object</maml:para>
+					</maml:description>
+					<command:parameterValue required="true" variableLength="false">PSObject</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+				<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="1" aliases="">
+					<maml:name>CanonicalName</maml:name>
+					<maml:description>
+						<maml:para>The Canonical name of the LUN on which to create a new Extent, or the name of the LUN on which to apply the Expansion.
+If this parameter is not provided, the function will sort the available LUN alphanumerically on the Canonical names and slect the first one.</maml:para>
+					</maml:description>
+					<command:parameterValue required="false" variableLength="false">String</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+				<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="named" aliases="">
+					<maml:name>IncreaseSizeGB</maml:name>
+					<maml:description>
+						<maml:para>The amount of GB by which to increase the size of the Datastore.
+If this parameter is not used, all of the available Expand or Extend diskspace will be used.</maml:para>
+					</maml:description>
+					<command:parameterValue required="false" variableLength="false">Int32</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+				<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="false" position="named" aliases="">
+					<maml:name>Extend</maml:name>
+					<maml:description>
+						<maml:para>A switch to indicate if the Datastore shall be Extended</maml:para>
+					</maml:description>
+					<command:parameterValue required="false" variableLength="false">SwitchParameter</command:parameterValue>
+					<dev:defaultValue>
+					</dev:defaultValue>
+				</command:parameter>
+			</command:syntaxItem>
+		</command:syntax>
+		<command:parameters>
+			<!--All Parameters-->
+			<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="True (ByValue)" position="0" aliases="">
+				<maml:name>Datastore</maml:name>
+				<maml:description>
+					<maml:para>The name of the Datastore or a PowerCLI Datastore object</maml:para>
+				</maml:description>
+				<command:parameterValue required="true" variableLength="false">PSObject</command:parameterValue>
+				<dev:type>
+					<maml:name>PSObject</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<dev:defaultValue>
+				</dev:defaultValue>
+			</command:parameter>
+			<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="named" aliases="">
+				<maml:name>IncreaseSizeGB</maml:name>
+				<maml:description>
+					<maml:para>The amount of GB by which to increase the size of the Datastore.
+If this parameter is not used, all of the available Expand or Extend diskspace will be used.</maml:para>
+				</maml:description>
+				<command:parameterValue required="false" variableLength="false">Int32</command:parameterValue>
+				<dev:type>
+					<maml:name>Int32</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<dev:defaultValue>
+				</dev:defaultValue>
+			</command:parameter>
+			<command:parameter required="false" variableLength="false" globbing="false" pipelineInput="false" position="1" aliases="">
+				<maml:name>CanonicalName</maml:name>
+				<maml:description>
+					<maml:para>The Canonical name of the LUN on which to create a new Extent, or the name of the LUN on which to apply the Expansion.
+If this parameter is not provided, the function will sort the available LUN alphanumerically on the Canonical names and slect the first one.</maml:para>
+				</maml:description>
+				<command:parameterValue required="false" variableLength="false">String</command:parameterValue>
+				<dev:type>
+					<maml:name>String</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<dev:defaultValue>
+				</dev:defaultValue>
+			</command:parameter>
+			<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="false" position="named" aliases="">
+				<maml:name>Expand</maml:name>
+				<maml:description>
+					<maml:para>A switch to indicate if the Datastore shall be Expanded</maml:para>
+				</maml:description>
+				<command:parameterValue required="true" variableLength="false">SwitchParameter</command:parameterValue>
+				<dev:type>
+					<maml:name>SwitchParameter</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<dev:defaultValue>
+				</dev:defaultValue>
+			</command:parameter>
+			<command:parameter required="true" variableLength="false" globbing="false" pipelineInput="false" position="named" aliases="">
+				<maml:name>Extend</maml:name>
+				<maml:description>
+					<maml:para>A switch to indicate if the Datastore shall be Extended</maml:para>
+				</maml:description>
+				<command:parameterValue required="true" variableLength="false">SwitchParameter</command:parameterValue>
+				<dev:type>
+					<maml:name>SwitchParameter</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<dev:defaultValue>
+				</dev:defaultValue>
+			</command:parameter>
+		</command:parameters>
+		<command:inputTypes>
+			<!--Inputs-->
+			<command:inputType>
+				<dev:type>
+					<maml:name>System.Management.Automation.PSObject
+					</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<maml:description>
+					<maml:para/>
+				</maml:description>
+			</command:inputType>
+		</command:inputTypes>
+		<command:returnValues>
+			<!--Outputs-->
+			<command:returnValue>
+				<dev:type>
+					<maml:name>System.Object</maml:name>
+					<maml:uri/>
+				</dev:type>
+				<maml:description>
+					<maml:para/>
+				</maml:description>
+			</command:returnValue>
+		</command:returnValues>
+		<command:examples>
+			<!--Examples-->
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 1 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>New-VmfsDatastoreIncrease -Datastore MyDS -Expand</dev:code>
+				<dev:remarks>
+					<maml:para>The capacity of the Datastore, named MyDS, will be Expanded with all available free space on the first extent of the Datastore.</maml:para>
+				</dev:remarks>
+			</command:example>
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 2 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>New-VmfsDatastoreIncrease -Name MyDS -Expand -IncreaseSizeGB 25</dev:code>
+				<dev:remarks>
+					<maml:para>The capacity of the Datastore, named MyDS, will be Expanded with 25GB on the first extent of the Datastore.
+Provided if course, this amount of free space is available.</maml:para>
+				</dev:remarks>
+			</command:example>
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 3 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>New-VmfsDatastoreIncrease -Datastore &apos;TestDS&apos; -Expand -IncreaseSizeGB 15 -CanonicalName &apos;naa.600507680180732f1800000000000011&apos;</dev:code>
+				<dev:remarks>
+					<maml:para>The capacity of the Datastore MyDS will be increased with 15GB on the extent with the Canonicalname naa.600507680180732f1800000000000011</maml:para>
+				</dev:remarks>
+			</command:example>
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 4 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>New-VmfsDatastoreIncrease -Datastore MyDS -Expand  -CanonicalName &apos;naa.600507680180732f1800000000000012&apos;</dev:code>
+				<dev:remarks>
+					<maml:para>The capacity of the Datastore MyDS will be increased with all available free space on the extent with the Canonicalname naa.600507680180732f1800000000000012</maml:para>
+				</dev:remarks>
+			</command:example>
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 5 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>New-VmfsDatastoreIncrease -Datastore MyDS -Extend</dev:code>
+				<dev:remarks>
+					<maml:para>A new Extent will be added to Datastore MyDS.
+All available free space of the LUN will be allocated.
+The available LUNs are ordered alphanumerically by their Canonicalname, and the first LUN is used.</maml:para>
+				</dev:remarks>
+			</command:example>
+			<command:example>
+				<maml:title>-------------------------- EXAMPLE 6 --------------------------</maml:title>
+				<maml:introduction>
+					<maml:para>PS C:\&gt;</maml:para>
+				</maml:introduction>
+				<dev:code>Get-Datastore -Name MyDS | New-VmfsDatastoreIncrease -Extend -IncreaseSizeGB 50</dev:code>
+				<dev:remarks>
+					<maml:para>The capacity of the Datastore returned by the PowerCLI Get-Datastore cmdlet will be increased by 50GB.
+This is done by adding a new Extent to the Datastore.
+The available LUNs are ordered alphanumerically by their Canonicalname, and the first LUN is used.</maml:para>
+				</dev:remarks>
+			</command:example>
+		</command:examples>
+	</command:command>
+	<!--Generated by: SAPIEN PowerShell HelpWriter 2015 v1.0.16-->
+</helpItems>

Modules/VMFSIncrease/en-US/about_VMFSIncrease.help.txt

@@ -0,0 +1,13 @@
+TOPIC
+	VMFSIncrease
+
+SYNOPSIS
+	The VMFSIncrease module offers the same functionality that is available
+through the Increase button in the vSphere Web Client.
+
+DESCRIPTION
+	The VMFSIncrease offers functionality that allows to Expand or Extend
+ VMFS Datastores. The module uses the vSphere API to implement this functionality.
+
+  SEE ALSO
+http://www.lucd.info/2016/07/29/vmfs-datastores-expand-and-extend

Pester/Get-DatastoreProvisioned.Tests.ps1

@@ -0,0 +1,92 @@
+# To run: "Invoke-Pester <path>\Get-DatastoreProvisioned.Tests.ps1"
+
+<#
+Script name: Get-DatastoreProvisioned.Tests.ps1
+Created on: 2016/07/27
+Author: Brian Bunke, @brianbunke
+Description: Help validate that any changes to Get-DatastoreProvisioned.ps1 do not break existing functionality
+Dependencies: Pester
+
+===Tested Against Environment====
+vSphere Version: 6.0 U1/U2
+PowerCLI Version: PowerCLI 6.3 R1
+PowerShell Version: 5.0
+OS Version: Windows 7/10
+#>
+
+# Tests file stored separately from actual script
+# Find where this file is running from, replace parent folder 'Pester' with 'Scripts'
+$Path = (Split-Path -Parent $MyInvocation.MyCommand.Path).Replace("Pester","Scripts")
+# Remove the '.Tests.' from the file name
+$File = (Split-Path -Leaf $MyInvocation.MyCommand.Path).Replace(".Tests.", ".")
+# With changes made to the path, dot-source the function for testing
+. "$Path\$File"
+
+Describe 'Get-DatastoreProvisioned' {
+    # Need to create a few example objects to proxy Get-Datastore pipeline input
+    $1 = [PSCustomObject]@{
+        Name          = 'iSCSI-spin'
+        CapacityGB    = 38.40
+        FreeSpaceGB   = 15.55
+        ExtensionData = @{
+            Summary = @{
+                Capacity    = 41234567890
+                FreeSpace   = 16696685366
+                Uncommitted = 12345678999
+    }}}
+    $2 = [PSCustomObject]@{
+        Name          = 'iSCSI-ssd'
+        CapacityGB    = 51.74
+        FreeSpaceGB   = 10.35
+        ExtensionData = @{
+            Summary = @{
+                Capacity    = 55555555555
+                FreeSpace   = 11111111111
+                Uncommitted = 23456765432
+    }}}
+    $3 = [PSCustomObject]@{
+        Name          = 'FC-ssd'
+        CapacityGB    = 10.35
+        FreeSpaceGB   = 4.14
+        ExtensionData = @{
+            Summary = @{
+                Capacity    = 11111111111
+                FreeSpace   = 4444444444
+                Uncommitted = 2222222222
+    }}}
+
+    It "Doesn't change existing functionality" {
+        $StillWorks = $1,$2,$3 | Get-DatastoreProvisioned
+        $StillWorks | Should Not BeNullOrEmpty
+        ($StillWorks | Measure-Object).Count | Should Be 3
+        ($StillWorks | Get-Member -MemberType NoteProperty).Count | Should Be 6
+        'Name','FreeSpaceGB','CapacityGB','ProvisionedGB','UsedPct','ProvisionedPct' | ForEach-Object {
+            ($StillWorks | Get-Member -MemberType NoteProperty).Name -contains $_ | Should Be $true
+        }
+    }
+
+    It 'Still calculates correctly' {
+        $calc = $1 | Get-DatastoreProvisioned
+        $calc | Should Not BeNullOrEmpty
+        $calc.ProvisionedGB | Should Be 34.35
+        $calc.UsedPct | Should Be 59.51
+        $calc.ProvisionedPct | Should Be 89.45
+    }
+
+    # Get-Datastore | Get-DatastoreProvisioned | Format-Table -AutoSize
+    It 'Follows Help Example 1' {
+        $Help1 = $1,$2,$3 | Get-DatastoreProvisioned
+        $Help1 | Should Not BeNullOrEmpty
+        ($Help1 | Measure-Object).Count | Should Be 3
+        # not testing Format-Table
+    }
+
+    # Get-Datastore -Name '*ssd' | Get-DatastoreProvisioned | Where-Object ProvisionedPct -ge 100
+    It 'Follows Help Example 2' {
+        $Help2 = $1,$2,$3 | Where Name -like '*ssd' | Get-DatastoreProvisioned | Where ProvisionedPct -ge 100
+        $Help2 | Should Not BeNullOrEmpty
+        ($Help2 | Measure-Object).Count | Should Be 1
+        $Help2.Name | Should BeExactly 'iSCSI-ssd'
+        $Help2.ProvisionedPct | Should BeGreaterThan 100
+    }
+}

Pester/Test Connection to VC.ps1

@@ -0,0 +1,44 @@
+<#
+Script name: Test Connection to VC.ps1
+Created on: 07/15/2016
+Author: Alan Renouf, @alanrenouf
+Description: The purpose of this pester test is to ensure the PowerCLI modules are imported and a connection and disconnection can be made to a vCenter
+Dependencies: Pester Module
+Example run:
+
+Invoke-Pester -Script @{ Path = '.\Test Connection to VC.ps1'; Parameters = @{ VCNAME="VC01.local"; VCUSER="Administrator@vsphere.local"; VCPASS="Admin!23"} }
+
+#>
+
+$VCUSER = $Parameters.Get_Item("VCUSER")
+$VCPASS = $Parameters.Get_Item("VCPASS")
+$VCNAME = $Parameters.Get_Item("VCNAME")
+
+Describe "PowerCLI Tests" {
+    It "Importing PowerCLI Modules" {
+        Get-Module VMware* | Foreach {
+        	Write-Host "Importing Module $($_.name) Version $($_.Version)"
+    	    $_ | Import-Module
+	        Get-Module $_ | Should Be $true
+        }
+    }
+}
+
+Describe "Connect-VIServer Tests" {
+
+    $connection = Connect-VIServer $VCName -User $VCUser -password $VCPass
+    It "Connection is active" {
+        $Global:DefaultVIServer[0].isconnected  | Should Be $true
+    }
+
+    It "Checking connected server name is $VCName" {
+        $Global:DefaultVIServer[0].name  | Should Be $VCName
+    }
+}
+
+Describe "Disconnect-VIServer Tests" {
+    It "Disconnect from $VCName" {
+        Disconnect-VIServer $VCName -confirm:$false
+        $Global:DefaultVIServer | Should Be $null
+    }
+}

README.md

@@ -178,11 +178,10 @@ The VMware Technnology Preview License Agreement: <https://github.com/vmware/Pow
 
 ## Board Members
 
-Board members are voulenteers from the PowerCLI community and VMware staff members, board members are not held responsible for any issues which may occur from running of scripts inside this repository.
+Board members are volunteers from the PowerCLI community and VMware staff members, board members are not held responsible for any issues which may occur from running of scripts inside this repository.
 
 Members: 
 * Josh Atwell (Community Member)
-* Mathieu Buisson (Community Member)
 * Luc Dekens (Community Member)
 * Jonathan Medd (Community Member)
 * Alan Renouf (VMware)

Scripts/Get-DatastoreProvisioned.ps1

@@ -0,0 +1,67 @@
+<#
+Script name: Get-DatastoreProvisioned.ps1
+Created on: 2016/07/27
+Author: Brian Bunke, @brianbunke
+Description: Augments Get-Datastore with thin provisioned info
+Note to future contributors: Test changes with Pester file Get-DatastoreProvisioned.Tests.ps1
+
+===Tested Against Environment====
+vSphere Version: 6.0 U1/U2
+PowerCLI Version: PowerCLI 6.3 R1
+PowerShell Version: 5.0
+OS Version: Windows 7/10
+#>
+
+function Get-DatastoreProvisioned {
+<#
+.SYNOPSIS
+Retrieve the total thin provisioned space on each datastore.
+
+.DESCRIPTION
+Intended to reveal provisioned space alongside total/free space, to assist with svMotion decisions.
+-Name should be supplied from the pipeline via Get-Datastore.
+
+.EXAMPLE
+Get-Datastore | Get-DatastoreProvisioned | Format-Table -AutoSize
+View all datastores and view their capacity statistics in the current console.
+
+.EXAMPLE
+Get-Datastore -Name '*ssd' | Get-DatastoreProvisioned | Where-Object -Property ProvisionedPct -ge 100
+For all datastores ending in 'ssd', return the capacity stats of those at least 100% provisioned.
+
+.INPUTS
+[VMware.VimAutomation.ViCore.Impl.V1.DatastoreManagement.VmfsDatastoreImpl]
+Object type supplied by PowerCLI function Get-Datastore
+
+.LINK
+https://github.com/vmware/PowerCLI-Example-Scripts
+
+.LINK
+https://twitter.com/brianbunke
+#>
+    [CmdletBinding()]
+    param (
+        # Specifies the datastore names to check. Tested only with pipeline input (see examples).
+        [Parameter(ValueFromPipeline = $true)]
+        $Name
+    )
+
+    PROCESS {
+        ForEach ($DS in $Name) {
+            # Calculate total provisioned space from the exposed properties
+            $Provisioned = ($DS.ExtensionData.Summary.Capacity -
+                $DS.ExtensionData.Summary.FreeSpace +
+                $DS.ExtensionData.Summary.Uncommitted) / 1GB
+
+            # Return info, wrapping it in the Math.Round method to trim to two decimal places
+            [PSCustomObject]@{
+                Name           = $DS.Name
+                FreeSpaceGB    = [math]::Round($DS.FreeSpaceGB, 2)
+                CapacityGB     = [math]::Round($DS.CapacityGB, 2)
+                ProvisionedGB  = [math]::Round($Provisioned, 2)
+                UsedPct        = [math]::Round((($DS.CapacityGB - $DS.FreeSpaceGB) / $DS.CapacityGB) * 100, 2)
+                ProvisionedPct = [math]::Round(($Provisioned / $DS.CapacityGB) * 100, 2)
+            } #pscustomobject
+        } #foreach
+    } #process
+} #function

Scripts/Get-VMID.ps1

@@ -0,0 +1,41 @@
+function Get-VMID {
+<#	
+	.NOTES
+	===========================================================================
+	 Created by: Markus Kraus
+	 Organization: Private
+     Personal Blog: mycloudrevolution.com
+     Twitter: @vMarkus_K
+	===========================================================================
+	.DESCRIPTION
+		This will quickly return all IDs of VMs
+    .Example
+    Get-VMID -myVMs (Get-VM) | ft
+    .Example
+    $SampleVMs = Get-VM "tst*"
+    Get-VMID -myVMs $SampleVMs
+#>
+  [CmdletBinding()]
+    param( 
+        [Parameter(Mandatory=$true,
+        ValueFromPipeline=$True,
+                   Position=0)]
+        [VMware.VimAutomation.ViCore.Impl.V1.Inventory.InventoryItemImpl[]]
+        $myVMs
+    )
+Process { 
+
+	$MyView = @()
+	ForEach ($myVM in $myVMs){
+		$UUIDReport = [PSCustomObject] @{
+				Name = $myVM.name 
+				UUID = $myVM.extensiondata.Config.UUID
+				InstanceUUID = $myVM.extensiondata.config.InstanceUUID
+				LocationID = $myVM.extensiondata.config.LocationId
+				MoRef = $myVM.extensiondata.Moref.Value
+				}
+		$MyView += $UUIDReport
+		}
+	$MyView
+	}
+}

Scripts/vRealize Operations Maintenance Mode.ps1

@@ -0,0 +1,116 @@
+Connect-VIServer vc-l-01a.corp.local -User administrator@vsphere.local -Password VMware1!
+Connect-OMServer vrops.corp1.local -User admin -Password VMware1!
+
+function Enable-OMMaintenance {
+      <#	
+	    .NOTES
+	        Script name: vRealize Operations Maintenance Mode.ps1
+            Created on: 07/26/2016
+            Author: Alan Renouf, @alanrenouf
+            Dependencies: PowerCLI 6.0 R2 or later
+	    .DESCRIPTION
+		    Places a vSphere Inventory object into maintenance mode in vRealize Operations
+        .Example
+        Set All VMs with a name as backup as being in maintenance mode for 20 minutes:
+
+        Get-VM backup* | Enable-OMMaintenance -MaintenanceTime 20
+
+        Name                         Health  ResourceKind    Description                                           
+        ----                         ------  ------------    -----------                                           
+        backup-089e13fd-7d7a-0       Grey    VirtualMachine                                                        
+        backup-d90e0b39-2618-0       Grey    VirtualMachine                                                        
+        backup-e48ca842-316a-0       Grey    VirtualMachine                                                        
+        backup-77da3713-919a-0       Grey    VirtualMachine                                                        
+        backup-c32f4da8-86c4-0       Grey    VirtualMachine                                                        
+        backup-c3fcb95c-cfe2-0       Grey    VirtualMachine                                                        
+        backup-4318bb1e-614a-0       Grey    VirtualMachine                                                        
+
+    #>
+    [CmdletBinding()]
+      param(
+            [Parameter(Position=0, Mandatory=$true, ValueFromPipeline=$true)]
+            [ValidateNotNullOrEmpty()]
+            [System.String]
+            $Resource,
+
+            [Parameter(Position=1, Mandatory=$true)]
+            [ValidateNotNullOrEmpty()]
+            [Int]
+            $MaintenanceTime
+      )
+      process {
+            Foreach ($Entry in $resource) {
+                  $Item = Get-Inventory -Name $Entry | Get-OMResource
+                  if (-not $Item) {
+                        throw "$Entry not found"
+                  } Else {
+                        $Item.ExtensionData.MarkResourceAsBeingMaintained($MaintenanceTime)
+                        Get-Inventory -Name $Entry | Get-OMResource
+                  }
+            }
+      }
+}
+
+function Disable-OMMaintenance {
+      <#	
+	    .NOTES
+	        Script name: vRealize Operations Maintenance Mode.ps1
+            Created on: 07/26/2016
+            Author: Alan Renouf, @alanrenouf
+            Dependencies: PowerCLI 6.0 R2 or later
+	    .DESCRIPTION
+		    Removes a vSphere Inventory object from maintenance mode in vRealize Operations
+        .Example
+        Disable maintenance mode for all VMs with a name of backup
+
+        Get-VM backup* | Disable-OMMaintenance
+
+        Name                         Health  ResourceKind    Description                                           
+        ----                         ------  ------------    -----------                                           
+        backup-089e13fd-7d7a-0       Grey    VirtualMachine                                                        
+        backup-d90e0b39-2618-0       Grey    VirtualMachine                                                        
+        backup-e48ca842-316a-0       Grey    VirtualMachine                                                        
+        backup-77da3713-919a-0       Grey    VirtualMachine                                                        
+        backup-c32f4da8-86c4-0       Yellow  VirtualMachine                                                        
+        backup-c3fcb95c-cfe2-0       Yellow  VirtualMachine                                                        
+        backup-4318bb1e-614a-0       Yellow  VirtualMachine                                                        
+
+    #>
+    [CmdletBinding()]
+      param(
+            [Parameter(Position=0, Mandatory=$true, ValueFromPipeline=$true)]
+            [ValidateNotNullOrEmpty()]
+            [System.String]
+            $Resource
+      )
+      process {
+            Foreach ($Entry in $resource) {
+                  $Item = Get-Inventory -Name $Entry | Get-OMResource
+                  if (-not $Item) {
+                        throw "$Entry not found"
+                  } Else {
+                        $Item.ExtensionData.UnmarkResourceAsBeingMaintained()
+                        Get-Inventory -Name $Entry | Get-OMResource
+                  }
+            }
+      }
+}
+
+Write-Host "Enable a single host as being in maintenance mode for 1 minute"
+Enable-OMMaintenance -Resource ESX-01a* -MaintenanceTime 1
+
+Write-Host "List All Host Resources and their state"
+Get-OMResource ESX-* | Select Name, State | FT
+
+Write-Host "Set All VMs with a name as backup as being in maintenance mode for 20 minutes"
+Get-VM backup* | Enable-OMMaintenance -MaintenanceTime 20
+
+Write-Host "List All Backup VM Resources and their state"
+Get-VM backup* | Get-OMResource | Select Name, State | FT
+
+Write-Host "Disable maintenance mode for all VMs with a name as backup as we have completed our scheduled work"
+Get-VM backup* | Disable-OMMaintenance
+
+Write-Host "List All VM Resources and their state"
+Get-VM backup* | Get-OMResource | Select Name, State | FT
+