15+ years of ZFS code is also often said as being a nearly unmanageable pile of mess, supposedly to the point that there’s some of the code that maintainers are afraid of touching, and with plenty of unresolved weird bugs (which I experienced myself with data loss).
Sometimes starting fresh with one coherent codebase and all features design baked in from the start might be better.
Sometimes starting fresh with one coherent codebase and all features design baked in from the start might be better.