$ cd /dev/vg0
$ ls -lh
lrwxrwxrwx 1 root root 7 Jun  2 18:24 root -> ../dm-2
lrwxrwxrwx 1 root root 7 Jun  2 18:24 swap -> ../dm-1
$ swapon /dev/vg0/swap
$ mount /dev/vg0/root /mnt