code: public void transitionNonFileJournals(StorageInfo nsInfo, boolean checkEmpty,
        Transition transition, StartupOption startOpt)
        throws IOException {
      for (JournalManager jm : getJournalManagers()) {
        if (!(jm instanceof FileJournalManager)) {
          if (checkEmpty && jm.hasSomeJournalData()) {
            LOG.warn("Journal " + jm + " is not empty.");
            continue;
          }
          LOG.info(transition + ": " + jm);
          jm.transitionJournal(nsInfo, transition, startOpt);
        }
      }
    }
docs: Transition the non-file journals.