minor improvment

dmount

@@ -50,13 +50,14 @@ error_umount() {
 
 error_deactivate_vg() {
     echo "Error, impossible de deactive vg." >&2
-    doas dmsetup info --columns
     echo "Try to force remove vgdisk from memory." >&2
     if force_remove_vgdevice 
     then
         echo "could at list remove vgdevice."
         exit 0
     else
+        lsblk
+        doas dmsetup info --columns
         echo "couldn't remove vgdevice. need manual intervention." >&2
         exit 1
     fi