$hostStor = Get-VMHost <ESX-hostname> | Get-VMHostStorage | Get-View

$hba = @{}
$hostSTor.StorageDeviceInfo.HostBusAdapter | %{
	$hba[http://$_.Key|http://$_.Key] = $_
}
$lun = @{}
$hostSTor.StorageDeviceInfo.ScsiLun | %{
	$lun[http://$_.Key|http://$_.Key] = $_
}

$report = @()
$hostStor.StorageDeviceInfo.ScsiTopology.Adapter | %{
	$hbaDevice = $hba[http://$_.Adapter|http://$_.Adapter].Device
	$_.Target | %{
		$targetNumber =  $_.Target
		$_.Lun | %{
			$row = "" | Select hbaDevice, targetNumber, lunNumber, lunDeviceName
			$row.hbaDevice = $hbaDevice
			$row.targetNumber = $targetNumber
			$row.lunNumber = $_.Lun
			$row.lunDeviceName = $lun[http://$_.ScsiLun|http://$_.ScsiLun].DeviceName
			$report += $row
		}
	}
}
$report