ubuntu@ubuntu:~$ sudo lvs
  LV     VG        Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  root   ubuntu-vg -wi-a----- 915.34g
  swap_1 ubuntu-vg -wi-a-----  15.88g
ubuntu@ubuntu:~$ sudo lvscan
  ACTIVE            '/dev/ubuntu-vg/root' [915.34 GiB] inherit
  ACTIVE            '/dev/ubuntu-vg/swap_1' [15.88 GiB] inherit