Linux BtrFs Duplicar os dados no mesmo disco

# mkfs.btrfs /dev/sda* ex. 1 2 3

# mount /dev/sda* ex. 1 2 3  /mnt/

# cd /mnt

# btrfs subvol create dados

# btrfs subvol create compri

# cd /

# mount /dev/sda* ex. 1 2 3 /dados/ -o subvol=dados,space_cache,autodefrag,compress=none

# mount /dev/sda* ex. 1 2 3 /compri/ -o subvol=compri,space_cache,autodefrag,compress=zstd

# df -Th

# btrfs balance start -sconvert=dup -dconvert=dup -mconvert=dup -f /mnt

# df -Th

# btrfs fi show /mnt/

# btrfs filesystem usage /mnt/

# btrfs su l .

# btrfs fi df /

# btrfs fi show /

# btrfs fi us /

# watch -n1 btrfs fi show /