public static void removeDiskImage(DiskImage diskImage, Guid vmId) {
   try {
     removeDiskFromVm(vmId, diskImage.getId());
     removeImage(diskImage);
   } catch (RuntimeException ex) {
     log.error("Failed adding new disk image and related entities to db: {}", ex.getMessage());
     log.debug("Exception", ex);
     throw new EngineException(EngineError.DB, ex);
   }
 }