diff -ur old/lvm2_hook new/lvm2_hook
--- old/lvm2_hook	2009-09-28 01:28:13.000000000 +0200
+++ new/lvm2_hook	2009-11-13 17:35:38.000000000 +0100
@@ -2,6 +2,8 @@
 run_hook ()
 {
     /sbin/modprobe -q dm-mod >/dev/null 2>&1
+    /sbin/modprobe -q dm-snapshot >/dev/null 2>&1
+    /sbin/modprobe -q dm-mirror >/dev/null 2>&1
     if [ -e "/sys/class/misc/device-mapper" ]; then
         read dev_t < /sys/class/misc/device-mapper/dev
         if [ ! -e "/dev/mapper/control" ]; then
diff -ur old/lvm2_install new/lvm2_install
--- old/lvm2_install	2009-09-28 01:28:13.000000000 +0200
+++ new/lvm2_install	2009-11-13 17:36:29.000000000 +0100
@@ -2,7 +2,7 @@
 
 install ()
 {
-    MODULES=" dm-mod "
+    MODULES=" dm-mod dm-snapshot dm-mirror"
     BINARIES=""
     FILES=""
     SCRIPT="lvm2"