--- /usr/lib/one/mads/one_vmm_kvm.ubuntu-orig.rb	2010-03-26 19:30:51.434615520 +0100
+++ /usr/lib/one/mads/one_vmm_kvm.rb	2010-03-26 19:58:07.475803935 +0100
@@ -112,6 +112,7 @@
     end
 
     def action_save(args)
+        touch_checkpoint_file(args[2], args[4])
         std_action("SAVE", "save #{args[3]} #{args[4]}", args)
     end
 
@@ -179,6 +180,18 @@
         res[0].close
         res
     end
+
+    def touch_checkpoint_file(host, file)
+        res=Open3.popen3(
+            "ssh -n #{host} touch #{file} ;"+
+            " echo ExitCode: $? 1>&2")
+        res[0].close
+        
+        stdout=res[1].read
+        stderr=res[2].read
+
+        write_response("TOUCH", stdout, stderr, file)
+    end
     
     def write_response(action, stdout, stderr, args)
         exit_code=get_exit_code(stderr)