> btrfs isn't stable. When it is, you'll need that kernel (e.g. 2.6.38), > not just a new btrfs-tools userland. So basically for production you > should just be waiting until 12.04 LTS. I would expect it to be 2.6.42 to 2.6.46. Since 2.6.38 is just 3 months away. John