$totalresources = 0
$onlineresources = 0
$resources = (Get-ClusterResource -ErrorAction SilentlyContinue)

if($resources -eq $null) {
  return -1
} else {
  $totalresources = $resources.Count
  foreach ($resource in $resources) {
    if ($resource.State -eq "Online") {
      $onlineresources++
    }
  }
  return $totalresources - $onlineresources
}