Linux btrfs filesystem show device information command

Fig.01 Linux btrfs filesystem show device information command

Fig.01 Linux btrfs filesystem show device information command

You can find out more info about btrfs filesystem including the device list. The syntax is:
# btrfs filesystem show
OR
btrfs filesystem show /dev/sdb
Sample outputs:

Label: none  uuid: e5b5c118-fb56-4fad-a45d-ff5fad9a649d
	Total devices 2 FS bytes used 49.13GiB
	devid    1 size 2.73TiB used 51.01GiB path /dev/sda
	devid    2 size 2.73TiB used 51.01GiB path /dev/sdb
 
btrfs-progs v4.2

Examples and usage: Btrfs Filesystem /etc/fstab Entry To Mount It Automatically At Linux System Startup