Display volume manager devices # dmsetup ls --tree -o device vg_oel64-lv_swap (252:1) ├─ (8:3) <-- Major, Minor number from /dev/sdX └─ (8:2) vg_oel64-lv_root (252:0) └─ (8:2) Check /dev/mapper # ls -l /dev/mapper/vg* lrwxrwxrwx. 1 root root 7 Mar 24 09:07 /dev/mapper/vg_oel64-lv_root -> ../dm-0 lrwxrwxrwx. 1 root root 7 Mar 24 09:07 /dev/mapper/vg_oel64-lv_swap -> ../dm-1 Display physical VG # pvs PV VG Fmt Attr PSize PFree /dev/sda2 vg_oel64 lvm2 a-- 40.34g 0 /dev/sda3 vg_oel64 lvm2 a-- 6.04g 3.04g Display logical volumes # lvdisplay /dev/mapper/vg_oel64-lv_swap --- Logical volume --- LV Path /dev/vg_oel64/lv_swap LV Name lv_swap VG Name vg_oel64 # lvdisplay /dev/mapper/vg_oel64-lv_root --- Logical volume --- LV Path /dev/vg_oel64/lv_root LV Name lv_root VG Name vg_oel64 Match major/minor number returned from above dmsetup output # ls -l /dev/sda2 /dev/sda3 brw-rw----. 1 root disk 8, 2 Mar 24 09:07 /dev/sda2 brw-rw----. 1 root disk 8, 3 Mar 24 09:07 /dev/sda3 --> Swap volume vg_oel64-lv_swap is mapped to /dev/sda2 and /dev/sda3 partitions Root volume vg_oel64-lv_root is only mapped to /dev/sda2 Both logical volumes are using phy. VG vg_oel64