This has been discussed on HN some times before. User xornot looked at the zfs source code and debunked it, for more details see https://news.ycombinator.com/i

This has been discussed on HN some times before. User xornot looked at the zfs source code and debunked it, for more details see https://news.ycombinator.com/item?id=14207520 https://news.ycombinator.com/item?id=14207520