root@TELOK-server:# btrfs filesystem show
Label: none  uuid: 6a3829c4-ad09-4d07-a432-319ee4e8aeab
	Total devices 2 FS bytes used 2.40GiB
	devid    1 size 1.79TiB used 5.03GiB path /dev/sda3
	devid    2 size 1.82TiB used 5.03GiB path /dev/sdb1