"Geert Hendrickx" <geert.hendrickx@ua.ac.be> writes:
> What I've understood from various FreeBSD docs and mailing lists, is
> that UFS v2 also supports snapshots (useful for creating backups of a
> mounted disk), background fsck, ...  

No, snapshots are orthogonal to UFS v1 vs v2. It is true that they
showed up along with v2 but v2 really is (for your purposes) just a
widening of a bunch of fields in the on disk metadata to 64 bits.

Perry