lsblk

$ lsblk
NAME           MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda              8:0    0 278.5G  0 disk
├─sda1           8:1    0   487M  0 part /boot/efi
├─sda2           8:2    0   488M  0 part
└─sda3           8:3    0 277.5G  0 part
  ├─VG1-System 252:0    0 270.1G  0 lvm  /
  └─VG1-Swap   252:1    0   7.5G  0 lvm  [SWAP]