-lvm vgscan --mknodes || rescue_shell
-lvm lvchange -a ly main/root || rescue_shell
-lvm lvchange -a ly main/home || rescue_shell
-lvm lvchange -a ly main/swap || rescue_shell
-lvm vgscan --mknodes || rescue_shell
+/sbin/lvm vgscan --mknodes || rescue_shell
+/sbin/lvm lvchange -a ly main/root || rescue_shell
+/sbin/lvm lvchange -a ly main/home || rescue_shell
+/sbin/lvm lvchange -a ly main/swap || rescue_shell
+/sbin/lvm vgscan --mknodes || rescue_shell