For those of you who says ZFS is nothing new, please read this article discussing the future of file systems:
http://www.acmqueue.org/modules.php?name=Content&pa=showpage&pid=504
They say things like, a modern hard drive always devote 20% of its capacity to error correcting codes. Some of the errors cant even be detected nor corrected. And the larger the drives, more causes of silent data corruptions will occur. Unless you use ZFS of course, which fixes all these problems.
The link above is copied from this Linux user who tries out ZFS (from slashdot) for his reliable home file server:
http://breden.org.uk/2008/03/02/home-fileserver-i%e2%80%99ll-use-zfs/ »