Creating the file system on a single device
sudo mkfs.btrfs -L <mylabel> /dev/<partition>Increasing the node size decreases fragmentation but it increases operation times.
sudo mkfs.btrfs -L <mylabel> -n 32k /dev/<partition>Enabling compression
See here
For all files going forward
btrfs property set <fs-root> compression <alg><alg> can be
zliblzozstdno(for no compression)
For existing files
See here.
Encrypting Btrfs
Btrfs doesn’t support encryption itself, but it can be placed on a hard drive with encryption. See the Arch Linux wiki and Hard Drive Encryption for more details.