--- xend-config.sxp	2008-03-07 14:20:39.000000000 +0100
+++ xend-config.sxp	2008-04-27 02:13:23.000000000 +0200
@@ -226,3 +226,14 @@
 
 # Script to run when the label of a resource has changed.
 #(resource-label-change-script '')
+
+# Wethere to enable cluster locking or not.
+#
+# This will aid you when having multiple Xen Dom0s forming a
+# cluster with shared DomU storage and therefore the problem
+# of starting the same DomU on multiple Dom0s at the same time.
+(cluster-locking 'yes')
+
+# The directory where the shared cluster filesystem for locking
+# is mounted to.
+(cluster-locking-dir '/xen_cluster/lock')