diff --git a/doc/install.sgml b/doc/install.sgml
index b3bbe2deb49bcbebc61c1120585e408661d19d1f..e27a39394bd6862e2cf68db1506111c26bb7441d 100644
--- a/doc/install.sgml
+++ b/doc/install.sgml
@@ -249,6 +249,21 @@
 </screen>
           </para>
         </formalpara>
+        <para>
+          If you want to test the experimental HVM support
+          with Ganeti and want VNC access to the console of your
+          instances, set the following two entries in
+          <filename>/etc/xen/xend-config.sxp</filename>:
+<screen>
+(vnc-listen '0.0.0.0')
+(vncpasswd '')
+</screen>
+          You need to restart the Xen daemon for these settings to
+          take effect:
+<screen>
+/etc/init.d/xend restart
+</screen>
+        </para>
 
       </sect3>
 
@@ -735,6 +750,24 @@ gnt-cluster init <replaceable>CLUSTERNAME</replaceable>
         to <computeroutput>gnt-cluster init</computeroutput>.
       </para>
 
+      <para>
+        To set up the cluster as an HVM cluster, use the
+        <option>--hypervisor=xen-hvm3.1</option> option to use
+        the Xen 3.1 HVM hypervisor. Note that with the
+        experimental HVM support, you will only be able to create
+        HVM instances in a cluster set to this hypervisor type. Mixed
+        PVM/HVM clusters are not supported by the Ganeti 1.2
+        experimental HVM support. You will also need to create the VNC
+        cluster password  file
+        <filename>/etc/ganeti/vnc-cluster-password</filename>
+        which contains one line with the default VNC password for the
+        cluster. Finally, you need to provide an installation ISO
+        image for HVM instance which will not only be mapped to the
+        first CDROM of the instance, but which the instance will also
+        boot from. This ISO image is expected at
+        <filename>/srv/ganeti/iso/hvm-install.iso</filename>.
+      </para>
+
       <para>
         You can also invoke the command with the
         <option>--help</option> option in order to see all the
diff --git a/man/gnt-cluster.sgml b/man/gnt-cluster.sgml
index bb18efb94329bf954e44b36b73e349a94107bad9..7a49126a7f4b3e12e8eef9def95611c44403e728 100644
--- a/man/gnt-cluster.sgml
+++ b/man/gnt-cluster.sgml
@@ -236,6 +236,17 @@
         The <option>-b</option> option specifies the default bridge
         for instances.
       </para>
+      <para>
+        The <option>-t</option> allows to set the hypervisor type of
+        the cluster. Available hypervisor types are: xen-3.0, fake and
+        xen-hvm3.1. The default is the xen-3.0 hypervisor.
+        Note that if you init the cluster with hypervisor-type
+        xen-hvm3.1 you also need to provide the cluster VNC password
+        file <filename>/etc/ganeti/vnc-cluster-password</filename> and
+        the HVM boot ISO image
+        <filename>/srv/ganeti/iso/hvm-install.iso</filename> because
+        instances created by the experimental HVM support require them.
+      </para>
     </refsect2>
 
     <refsect2>