DSCResources/POSHOrigin_vSphere_VM/Helpers/_GetGuestDiskToVMDiskMapping.ps1
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# Based on https://communities.vmware.com/thread/528535?start=0&tstart=0 function _GetGuestDiskToVMDiskMapping { [cmdletbinding()] param ( [Parameter(Mandatory)] [ValidateNotNull()] $VM, [Parameter(Mandatory)] $cim, [Parameter(Mandatory)] [pscredential]$Credential ) try { $os = _GetGuestOS -VM $VM -Credential $credential $vmView = $VM | Get-View -Verbose:$false -Debug:$false # Get the ESX host which the VM is currently running on $esxHost = Get-VMHost -Id $vmView.Summary.Runtime.Host -Verbose:$false $wmiDisks = Get-CimInstance -CimSession $cim -ClassName Win32_DiskDrive -Verbose:$false # Use 'Invoke-VMScript' to grab disk information WMI on the guest #$Out = Invoke-VMScript "wmic path win32_diskdrive get Index, SCSIPort, SCSITargetId /format:csv" -vm $VM -GuestCredential $guestCred -scripttype "bat" #$fileName = [System.IO.Path]::GetTempFileName() #$out.Substring(2) > $fileName #$wmiDisks = Import-Csv -Path $fileName #Remove-Item $fileName # Match the guest disks to the VM disks by SCSI bus number and unit number $diskInfo = @() foreach ($virtualSCSIController in ($vmView.Config.Hardware.Device | where {$_.DeviceInfo.Label -match 'SCSI Controller'})) { foreach ($virtualDiskDevice in ($vmView.Config.Hardware.Device | where {$_.ControllerKey -eq $virtualSCSIController.Key})) { $mapping = new-object psobject Add-Member -InputObject $mapping -MemberType NoteProperty -Name SCSIController -Value $virtualSCSIController.DeviceInfo.Label Add-Member -InputObject $mapping -MemberType NoteProperty -Name DiskName -Value $virtualDiskDevice.DeviceInfo.Label Add-Member -InputObject $mapping -MemberType NoteProperty -Name SCSIId -Value "$($virtualSCSIController.BusNumber)`:$($virtualDiskDevice.UnitNumber)" Add-Member -InputObject $mapping -MemberType NoteProperty -Name SCSIBus -Value $($virtualSCSIController.BusNumber) Add-Member -InputObject $mapping -MemberType NoteProperty -Name SCSIUnit -Value $($virtualDiskDevice.UnitNumber) Add-Member -InputObject $mapping -MemberType NoteProperty -Name DiskFile -Value $virtualDiskDevice.Backing.FileName Add-Member -InputObject $mapping -MemberType NoteProperty -Name DiskSize -Value (($virtualDiskDevice.CapacityInKB * 1KB / 1GB)).ToInt32($Null) $match = $wmiDisks | Where-Object {([int]$_.SCSIPort - 2) -eq $virtualSCSIController.BusNumber -and [int]$_.SCSITargetID -eq $virtualDiskDevice.UnitNumber} if ($match) { Add-Member -InputObject $mapping -MemberType NoteProperty -Name WindowsDisk -Value $match.Index Add-Member -InputObject $mapping -MemberType NoteProperty -Name SerialNumber -Value $match.SerialNumber if ($os -lt 62) { $partitions = Get-CimInstance -Query "ASSOCIATORS OF {Win32_DiskDrive.DeviceID=`"$($match.DeviceID.replace('\','\\'))`"} WHERE AssocClass = Win32_DiskDriveToDiskPartition" -CimSession $cim -verbose:$false | Select * foreach($part in $partitions) { $vols = Get-CimInstance -Query "ASSOCIATORS OF {Win32_DiskPartition.DeviceID=`"$($part.DeviceID)`"} WHERE AssocClass = Win32_LogicalDiskToPartition" -CimSession $cim -verbose:$false | Select * foreach($vol in $vols) { $tempVol = Get-CimInstance -ClassName Win32_Volume -CimSession $cim -verbose:$false | Select * $tempMatch = $tempVol | Where-Object {$_.DriveLetter -eq $vol.DeviceID} if ($tempMatch) { Add-Member -InputObject $mapping -MemberType NoteProperty -Name VolumeName -Value $tempMatch.DriveLetter.SubString(0,1) Add-Member -InputObject $mapping -MemberType NoteProperty -Name VolumeLabel -Value $tempMatch.Label Add-Member -InputObject $mapping -MemberType NoteProperty -Name BlockSize -Value $tempMatch.BlockSize Add-Member -InputObject $mapping -MemberType NoteProperty -Name Format -value $tempMatch.FileSystem } } } } $diskInfo += $mapping } else { Write-Verbose -Message "No matching Windows disk found for SCSI ID [$($mapping.SCSIId)]" } } } return $diskInfo } catch { Write-Error -Message 'There was a problem getting the guest disk mapping' Write-Error -Message "$($_.InvocationInfo.ScriptName)($($_.InvocationInfo.ScriptLineNumber)): $($_.InvocationInfo.Line)" write-Error $_ } } |