Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/nvme-ubuntu_gnome: 161GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags: 

Number  Start  End    Size   File system  Flags
 1      0.00B  161GB  161GB  ext4


Model: Linux device-mapper (linear) (dm)
Disk /dev/mapper/nvme-ubuntu: 42.9GB
Sector size (logical/physical): 512B/512B
Partition Table: loop
Disk Flags: 

Number  Start  End     Size    File system  Flags
 1      0.00B  42.9GB  42.9GB  ext4


Model: Unknown (unknown)
Disk /dev/nvme0n1: 512GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags: 

Number  Start   End    Size   File system  Name                  Flags
 1      1049kB  525MB  524MB  fat32        EFI system partition  boot, esp
 2      525MB   512GB  512GB               LVM2                  lvm