Are there any real advantages of ext4 over ext2 ?

Jacques Foucry jacques+freebsd at
Thu Jul 9 04:24:52 UTC 2020

Le mercredi 08 juil. 2020 à 22:24:53 (+0200), Ralf Mardorf à écrit:
> "A journaling file system is a file system that keeps track of changes
> not yet committed to the file system's main part by recording the
> intentions of such changes in a data structure known as a "journal",
> which is usually a circular log. In the event of a system crash or
> power failure, such file systems can be brought back online more
> quickly with a lower likelihood of becoming corrupted." -
> ext2 isn't a journaling file system, while ext3 and ext4 are journaling
> file systems.

Btw, it possible to mount a EXT4 volume as an EXT2 volume. You simppli not
have the benefict of journaling.

So, my advise should be : use ext4 on Linux system and mount then as ext2 on
FreeBSD. If you want EXT4 on FreeBSD use FUSE.

Jacques Foucry

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