/**
  * Prints the warnings if the CMR version saved in the storage does not exists or is different
  * from the current CMR version.
  *
  * @param storageData {@link StorageData}.
  */
 private void printStorageCmrVersionWarn(IStorageData storageData) {
   // inform if the version of the CMR differs or is not available
   if (null == storageData.getCmrVersion()) {
     log.warn(
         "The storage "
             + storageData
             + " does not define the CMR version. The storage might be unstable on the CMR version "
             + cmrVersion
             + ".");
   } else if (!Objects.equals(storageData.getCmrVersion(), cmrVersion)) {
     log.warn(
         "The storage "
             + storageData
             + " has different CMR version ("
             + storageData.getCmrVersion()
             + ") than the current CMR version("
             + cmrVersion
             + "). The storage might be unstable.");
   }
 }