“‘I wasn’t planning on releasing v0.12 yet, and it was supposed
to have some initial support for multiple devices. But, I have made
a number of performance fixes and small bug fixes, and I wanted to
get them out there before the (destabilizing) work on
multiple-devices took over,’ explained Chris Mason regarding the
0.12 release of his new btrfs filesytem. Btrfs was first announced
in June of 2007, as an alpha-quality filesystem offering
checksumming of all files and metadata, extent based file storage,
efficient packing of small files, dynamic inode allocation,
writable snapshots, object level mirroring and striping, and fast
offline filesystem checks, among other features…”