Btrfs Switch Postponed To Fedora 17

[curaga]

It might have something to do with the fact that btrfs is *still* marked as having an unstable disk format in linux 3.0.

[phoronix]

Phoronix: Btrfs Switch Postponed To Fedora 17

While it originally appeared that Fedora 16 would be the first major distribution (besides possibly counting MeeGo) to switch to Btrfs as the default Linux file-system, that's not going to happen. Fedora 16 will continue defaulting to EXT4 and it will not be until Fedora 17 now that Btrfs will be the Fedora file-system default...

http://www.phoronix.com/vr.php?view=OTc2OA