code: private List<String> configureNoDB(final String argv[], final int currentIdx) throws DevFailed {
          final List<String> noDbDevices = new ArrayList<String>();
          if (!ArrayUtils.contains(argv, NODB)) {
              throw DevFailedUtils.newDevFailed(INIT_ERROR, getUsage());
          } else {
              for (int j = currentIdx + 1; j < argv.length; j++) {
                  if (!argv[j].startsWith("-")) {
                      // several devices separated by commons
                      final String[] devices = argv[j].split(",");
                      if (devices.length > 1) {
                          Collections.addAll(noDbDevices, devices);
                      } else {
                          noDbDevices.add(argv[j]);
                      }
                      logger.warn("Device with no db: " + argv[j]);
                  } else {
                      break;
                  }
              }
              // only one class can be loaded with no db (the last one)
              DatabaseFactory.setNoDbDevices(noDbDevices.toArray(new String[0]), lastClass);
          }
          return noDbDevices;
  
      }
docs: Configure {@link DatabaseFactory} without a tango db
  
  @param argv
  @param currentIdx
  @return The list of no db devices
  @throws DevFailed