Dude wrote:btrfs doesn't do multipathing, so if you have multiple paths, you would still need to use it. There are plenty of messages on the btrfs-devel mailing list about getting btrfs to work with cryptsetup and such, so I suggest you check the archives there as well. You may need a newer kernel, though -- I can't remember exactly how the setup worked.
I learned from a previous thread here that BtrFS should not be put on a LVM volume as both provide similar technologies that compete with each other. What about Device Mapper (DM) and BtrFS under Oracle Linux 6.3?