The main requirement is a modern kernel with the aufs module. We do most of our testing on Ubuntu 12.04 and 12.10. But any modern distro should be fine. There a

The main requirement is a modern kernel with the aufs module. We do most of our testing on Ubuntu 12.04 and 12.10. But any modern distro should be fine. There are a few people testing it on CentOS as I write this.