diff --git a/tutorial/lisa2011/rrd-by-example/ex/create-first.xml b/tutorial/lisa2011/rrd-by-example/ex/create-first.xml
--- /dev/null
@@ -0,0 +1,118 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE rrd SYSTEM
+ "http://oss.oetiker.ch/rrdtool/rrdtool.dtd">
+<rrd> <version> 0003 </version>
+ <step> 300 </step> <!-- Seconds -->
+ <lastupdate> 1200000900 </lastupdate>
+ <!-- 2008-01-10 22:35:00 CET -->
+
+ <ds>
+ <name> temperature </name>
+ <type> GAUGE </type>
+ <minimal_heartbeat> 600 </minimal_heartbeat>
+ <min> -4.0000000000e+01 </min>
+ <max> 1.0000000000e+02 </max>
+
+ <!-- PDP Status -->
+ <last_ds> 40 </last_ds>
+ <value> 0.0000000000e+00 </value>
+ <unknown_sec> 0 </unknown_sec>
+ </ds>
+
+
+
+ <!-- RRA:AVERAGE:0.4:1:5 -->
+ <rra>
+ <cf> AVERAGE </cf>
+ <pdp_per_row> 1 </pdp_per_row> <!-- 300 seconds -->
+
+ <params>
+ <xff> 4.0000000000e-01 </xff>
+ </params>
+ <cdp_prep>
+ <ds>
+ <primary_value> 4.0000000000e+01 </primary_value>
+ <secondary_value> 0.0000000000e+00 </secondary_value>
+ <value> NaN </value>
+ <unknown_datapoints> 0 </unknown_datapoints>
+ </ds>
+ </cdp_prep>
+ <database>
+ <row><v> NaN </v></row>
+ <row><v> 1.0000000000e+01 </v></row>
+ <row><v> 2.0000000000e+01 </v></row>
+ <row><v> 3.0000000000e+01 </v></row>
+ <row><v> 4.0000000000e+01 </v></row>
+ </database>
+ </rra>
+
+ <!-- RRA:AVERAGE:0.4:3:2 -->
+ <rra>
+ <cf> AVERAGE </cf>
+ <pdp_per_row> 3 </pdp_per_row> <!-- 900 seconds -->
+
+ <params>
+ <xff> 4.0000000000e-01 </xff>
+ </params>
+ <cdp_prep>
+ <ds>
+ <primary_value> 2.0000000000e+01 </primary_value>
+ <secondary_value> 3.0000000000e+01 </secondary_value>
+ <value> 4.0000000000e+01 </value>
+ <unknown_datapoints> 0 </unknown_datapoints>
+ </ds>
+ </cdp_prep>
+ <database>
+ <row><v> NaN </v></row>
+ <row><v> 2.0000000000e+01 </v></row>
+ </database>
+ </rra>
+
+
+
+ <!-- RRA:MIN:0.4:3:2 -->
+ <rra>
+ <cf> MIN </cf>
+ <pdp_per_row> 3 </pdp_per_row> <!-- 900 seconds -->
+
+ <params>
+ <xff> 4.0000000000e-01 </xff>
+ </params>
+ <cdp_prep>
+ <ds>
+ <primary_value> 1.0000000000e+01 </primary_value>
+ <secondary_value> 3.0000000000e+01 </secondary_value>
+ <value> 3.0000000000e+01 </value>
+ <unknown_datapoints> 0 </unknown_datapoints>
+ </ds>
+ </cdp_prep>
+ <database>
+ <row><v> NaN </v></row>
+ <row><v> 1.0000000000e+01 </v></row>
+ </database>
+ </rra>
+
+
+ <!-- RRA:MAX:0.4:3:2 -->
+ <rra>
+ <cf> MAX </cf>
+ <pdp_per_row> 3 </pdp_per_row> <!-- 900 seconds -->
+
+ <params>
+ <xff> 4.0000000000e-01 </xff>
+ </params>
+ <cdp_prep>
+ <ds>
+ <primary_value> 3.0000000000e+01 </primary_value>
+ <secondary_value> 3.0000000000e+01 </secondary_value>
+ <value> 4.0000000000e+01 </value>
+ <unknown_datapoints> 0 </unknown_datapoints>
+ </ds>
+ </cdp_prep>
+ <database>
+ <row><v> NaN </v></row>
+ <row><v> 3.0000000000e+01 </v></row>
+ </database>
+ </rra>
+
+</rrd>