try {
log.info("Create initrd ramdisk on /jnode");
final DeviceManager dm = DeviceUtils.getDeviceManager();
int size = getPreferences().getInt("size", (int) NumberUtils.getSize("100K"));
final RamDiskDevice dev = new RamDiskDevice(null, "dummy", size);
dev.setDriver(new RamDiskDriver("jnode"));
dm.register(dev);
log.info("Format initrd ramdisk");
final FatFileSystemFormatter formatter = new FatFileSystemFormatter(FatType.FAT16);