diff -dur LVM2.2.02.98.orig/daemons/clvmd/Makefile.in LVM2.2.02.98/daemons/clvmd/Makefile.in
--- LVM2.2.02.98.orig/daemons/clvmd/Makefile.in	2012-10-15 16:24:58.000000000 +0200
+++ LVM2.2.02.98/daemons/clvmd/Makefile.in	2012-11-01 18:35:19.000000000 +0100
@@ -90,6 +90,8 @@
 DEFS += -D_REENTRANT
 CFLAGS += -fno-strict-aliasing
 
+LIBS += `pkg-config --libs libsystemd-daemon`
+
 INSTALL_TARGETS = \
 	install_clvmd
 
diff -dur LVM2.2.02.98.orig/daemons/clvmd/clvmd.c LVM2.2.02.98/daemons/clvmd/clvmd.c
--- LVM2.2.02.98.orig/daemons/clvmd/clvmd.c	2012-10-15 16:24:58.000000000 +0200
+++ LVM2.2.02.98/daemons/clvmd/clvmd.c	2012-11-01 18:34:20.000000000 +0100
@@ -41,6 +41,8 @@
 #include <sys/un.h>
 #include <sys/utsname.h>
 
+#include <systemd/sd-daemon.h>
+
 #ifndef TRUE
 #define TRUE 1
 #endif
@@ -599,6 +601,7 @@
 		clops->cluster_init_completed();
 
 	DEBUGLOG("clvmd ready for work\n");
+	sd_notify(0, "READY=1");
 	child_init_signal(SUCCESS);
 
 	/* Try to shutdown neatly */