lvdisplay is used to display logical volumes. You can also use lvs command.
root@server12:~# lvdisplay
--- Logical volume ---
LV Path /dev/vg/lv_root
LV Name lv_root
VG Name vg
LV UUID aLjP9v-Cc6s-mxS6-kcKz-Fs4e-kW5c-Wuq009
LV Write Access read/write
LV Creation host, time ubuntu-server, 2020-05-19 13:02:06 +0000
LV Status available
# open 1
LV Size 78.99 GiB
Current LE 20222
Segments 3
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Logical volume ---
LV Path /dev/vg/lv_swap
LV Name lv_swap
VG Name vg
LV UUID es9Yvn-Tfh1-KO6L-7cAw-N1jg-9NAL-9hd3To
LV Write Access read/write
LV Creation host, time ubuntu-server, 2020-05-19 13:02:07 +0000
LV Status available
# open 2
LV Size 520.00 MiB
Current LE 130
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
root@server12:~#
See LVM