Commandes en vrac :
<code bash>
# marche aussi avec les vg et pv

lvscan 
  ACTIVE            '/dev/vgmd1/lvmd1' [8,19 TiB] inherit
  ACTIVE            '/dev/ymir2-vg/root' [57,15 GiB] inherit
  ACTIVE            '/dev/ymir2-vg/swap_1' [1,99 GiB] inherit

lvdisplay /dev/vgmd1/lvmd1
  --- Logical volume ---
  LV Path                /dev/vgmd1/lvmd1
  LV Name                lvmd1
  VG Name                vgmd1
  LV UUID                NqigYr-J63M-ZRrd-0wVb-xBzc-VsWP-l8kb7d
  LV Write Access        read/write
  LV Creation host, time , 
  LV Status              available
  # open                 1
  LV Size                8,19 TiB
  Current LE             2146093
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     6144
  Block device           252:3
</code>