Btrfs with Luks

encrypt with LUKS

mkdir -pv /etc/crypttab.keys/
dd if=/dev/urandom of=/etc/crypttab.keys/WDC-WD60EFZX-68B.a bs=4096 count=1
dd if=/dev/urandom of=/etc/crypttab.keys/WDC-WD60EFZX-68B.b bs=4096 count=1

cryptsetup luksFormat /dev/sdb --key-file /etc/crypttab.keys/WDC-WD60EFZX-68B.a
cryptsetup luksFormat /dev/sdd --key-file /etc/crypttab.keys/WDC-WD60EFZX-68B.b

cryptsetup luksOpen /dev/disk/by-uuid/4f5e3cd8-cc2e-4c87-ab2e-a591a42b9a6b WD60EFZX-68B.a -d /etc/crypttab.keys/WDC-WD60EFZX-68B.a
cryptsetup luksOpen /dev/disk/by-uuid/d99b30ef-ddfd-41aa-a6ab-bbad87ef7240 WD60EFZX-68B.b -d /etc/crypttab.keys/WDC-WD60EFZX-68B.b

cryptsetup status /dev/mapper/WD60EFZX-68B.a
cryptsetup status /dev/mapper/WD60EFZX-68B.b

setup btrfs

mkfs.btrfs -L DATA -m raid0 -d raid0 /dev/mapper/WD60EFZX-68B.a
mkfs.btrfs -L DATA -m raid0 -d raid0 /dev/mapper/WD60EFZX-68B.b

btrfs device add -f /dev/mapper/WD60EFZX-68B.a /run/media/henning/DATA

btrfs balance start -v -dconvert=raid0 -mconvert=raid1 /run/media/henning/DATA/