Hi Vyacheslav, > The main approach of NILFS2 is COW (copy-on-write) policy. It means that > all data and metadata are written in log manner. Only superblocks are > placed in fixed positions and updated there. First superblock is located > in the volume begin, second one in the volume end. Can you give me an estime how often the superblock is updated / written to? Thanks a lot, Clemens -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html