[root@localhost ~]#lsblk
NAME             MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                8:0    0 465,8G  0 disk 
|--sda1            8:1    0   100M  0 part 
|--sda2            8:2    0 240,7G  0 part 
|--sda3            8:3    0     1K  0 part 
|--sda5            8:5    0   225G  0 part 
sdb                8:16   0 465,8G  0 disk 
|--sdb1            8:17   0   500M  0 part /boot
|--sdb2            8:18   0 465,3G  0 part 
  |--centos-root 253:0    0   250G  0 lvm  /
  |--centos-swap 253:1    0   7,8G  0 lvm  [SWAP]
sdc                8:32   0 232,9G  0 disk 
|--sdc1            8:33   0     1G  0 part 
|--sdc2            8:34   0 231,9G  0 part 
  |--centos-home 253:2    0    74G  0 lvm  /home
sr0               11:0    1  1024M  0 rom
[root@localhost ~]#lvmdiskscan
   /dev/centos/root [     250,00 GiB] 
   /dev/sda1        [     100,00 MiB] 
   /dev/centos/swap [       7,75 GiB] 
   /dev/sda2        [     240,70 GiB] 
   /dev/centos/home [      74,00 GiB] 
   /dev/sda5        [     224,95 GiB] 
   /dev/sdb1        [     500,00 MiB] 
   /dev/sdb2        [     465,27 GiB] LVM physical volume
   /dev/sdc1        [       1,00 GiB] 
   WARNING: Duplicate VG name centos: Existing IOpg7a-0jhI-KUnR-fJf0-g61P-8I6T-bcmFV7 (created here) takes precedence over IzhY0Z-cXnp-Dcyo-QOk8-ya6k-y2yo-LUkeOj
   /dev/sdc2        [     231,88 GiB] LVM physical volume
   3 disks
   5 partitions
   0 LVM physical volume whole disks
   2 LVM physical volumes