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linux:btrfs
# mkfs.btrfs -L data /dev/sda4
# btrfs filesystem show
# mount /dev/sda4 /data
# btrfs filesystem df /data
# btrfs filesystem usage /data

add new device

# btrfs device add /dev/xvdb /
# btrfs filesystem balance /
Done, had to relocate 7 out of 7 chunks
linux/btrfs.txt · Last modified: 2017/03/08 12:16 by frank