LVM

• # pvs

    PV         VG   Fmt  Attr PSize PFree
    /dev/md0   root lvm2 a--  3.72g 2.71g
    /dev/md1   test lvm2 a--  7.45g 6.35g
  

• # vgs

    VG   #PV #LV #SN Attr   VSize VFree
    root   1   7   0 wz--n- 3.72g 2.71g
    test   1   2   1 wz--n- 7.45g 6.35g
  

• # lvs

    LV       VG   Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
    lv-s     root Vwi---tz-k   2.00g root lv100
    lv100    root Vwi-a-tz--   2.00g root        0.00
    lv200    root Vwi-a-tz--   2.00g root        3.18
    lvol1    root Vwi---tz-k   2.00g root lv100
    lvol2    root Vwi---tz-k   2.00g root lv100
    root     root twi-aotz--   1.00g             6.36   1.95
    thin_s   root Vwi---tz-k   2.00g root lv200
    test     test owi-a-s---   1.00g
    testsnap test swi-a-s--- 100.00m      test   32.52