Noel Dellofano, who is part of the ZFS dev team at Apple, has a post on Mac OS Forge announcing a late Christmas gift: she is making available binaries and source code (plus instructions) of the ZFS filesystem for Mac OS X. “ZFS is a new kind of filesystem that provides simple administration, transactional semantics, end-to-end data integrity, and immense scalability. ZFS is not an incremental improvement to existing technology; it is a fundamentally new approach to data management. We’ve blown away 20 years of obsolete assumptions, eliminated complexity at the source, and created a storage system that’s actually a pleasure to use.”