--- 50-udev.rules	2006-10-13 01:12:19.000000000 +0100
+++ /home/mike/50-udev.rules	2006-10-13 01:12:11.000000000 +0100
@@ -78,10 +78,10 @@
 KERNEL=="microcode",	NAME="cpu/microcode"
 
 # dm devices (ignore them)
-KERNEL=="dm-[0-9]*",	OPTIONS="ignore_device"
+#KERNEL=="dm-[0-9]*",	OPTIONS="ignore_device"
 # create a symlink named after the device map name
 # note devmap_name comes with extras/multipath
-#KERNEL=="dm-[0-9]*",	PROGRAM="/sbin/devmap_name %M %m", NAME="%k", SYMLINK+="%c"
+KERNEL=="dm-[0-9]*",	PROGRAM="/sbin/devmap_name %M %m", NAME="%k", SYMLINK+="%c"
 KERNEL=="device-mapper",	NAME="mapper/control"
 
 # fb devices