See archlinux for more… Create btrfs filesystem using raid6 for data and and raid 10 for metadata mkfs.btrfs -d raid6 -m raid10 -L alexandria_btrfs /dev/vd[bcdefghijk] Mount newly created partition with mount /dev/sdb /mnt/md0 Check file system usage with: btrfs filesystem df /mnt/md0 Removing devices Remove a drive from the file system. This should rebalance the … Continue reading Btrfs raid6