Expand-VirtualDisk.ps1
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<#PSScriptInfo
.VERSION 1.0.4 .GUID 99179600-f3aa-402f-8c0d-7d790673df30 .AUTHOR Tyler Simonson .TAGS VirtualMachineManager, VMM, SCVMM, HardDisk .PROJECTURI https://github.com/tysimo/PSExpandDisk .EXTERNALMODULEDEPENDENCIES VirtualMachineManager .RELEASENOTES #> #Requires -Modules VirtualMachineManager <# .SYNOPSIS PowerShell script for expanding virtual disks. .DESCRIPTION This script will expand a virtual hard disk in VMM and then extend the volume on the corresponding virtual machine. .PARAMETER VMMServer Name of Virtual Machine Manager server the virtual machine exists on. .PARAMETER VM Name of virtual machine to expand the disk on. .PARAMETER Drive Drive letter to expand. .PARAMETER NewSize The size in GB to expand the drive to. .EXAMPLE .\Expand-VirtualDisk.ps1 -VMMServer devvmm -VM testvm01 -Drive C -NewSize 100 Expand C: drive on testvm01 to 100 GB. #> param ([String]$VMMServer,[String]$VM,[String]$Drive,[String]$NewSize) Import-Module -Name "VirtualMachineManager" If (!$VMMServer) {$VMMServer = Read-Host "VMM server"} If (!$VM) {$VM = Read-Host "Virtual machine name"} If (!$Drive) {$Drive = Read-Host "Drive letter"} $VolumeScript = { param($Drive) $DiskID = (Get-Disk | Get-Partition | Where-Object {$_.driveletter -like $Drive}).disknumber $Lun = (Get-WmiObject win32_diskdrive | Where-Object {$_.DeviceID -like "\\.\PHYSICALDRIVE"+$DiskID}) Return $Lun.scsilogicalunit } $ExtendScript = { param($Drive) $Partition = Get-Partition -DriveLetter $Drive $PartitionNumber = $Partition.PartitionNumber $DiskNumber = $Partition.DiskNumber $DiskPart = "select disk $DiskNumber list partition select partition $PartitionNumber extend" $DiskPart | diskpart | Out-Null } Get-SCVMMServer -ComputerName $VMMServer | Out-Null $Drivex = $Drive + ":" $Disk = Get-WmiObject Win32_LogicalDisk -ComputerName $VM -Filter "DeviceID='$Drivex'" | Select-Object Size,FreeSpace $Size = [math]::round($Disk.size / 1GB,1) $Lun2 = Invoke-Command -ComputerName $VM -ScriptBlock $VolumeScript -Argumentlist $Drive $DriveName = (Get-SCVirtualDiskDrive -VM $VM | Where-Object {$_.lun -eq $Lun2}).VirtualHardDisk.Name + ".vhdx" $DriveName = $DriveName.Replace(".vhdx.vhdx",".vhdx") If (!$NewSize) { Write-Host "Current size:"$Size -ForegroundColor "Yellow" $NewSize = Read-Host "New size" } Write-Host "Expanding virtual disk in VMM..." -ForegroundColor "Yellow" If ($Drive -eq "C") { Get-SCVirtualMachine $VM | Get-SCVirtualDiskDrive | Where-Object {$_.Bus -eq 0 -and $_.Lun -eq 0} | Expand-SCVirtualDiskDrive -VirtualHardDiskSizeGB $NewSize | Out-Null } Else { Get-SCVirtualMachine $VM | Get-SCVirtualDiskDrive | Where-Object {$_.VirtualHardDisk.Location -like "*$DriveName"} | Expand-SCVirtualDiskDrive -VirtualHardDiskSizeGB $NewSize | Out-Null } Write-Host "Extending volume on virtual machine..." -ForegroundColor "Yellow" Invoke-Command -ComputerName $VM -ScriptBlock $ExtendScript -Argumentlist $Drive |