Change intro markup

xml/ha_virtualization.xml

@@ -15,9 +15,22 @@
   <title>&ha; for virtualization</title>
   <info>
     <abstract>
+      <para>
+        This chapter explains how to configure virtual machines as highly available cluster resources.
+      </para>
+    </abstract>
+    <dm:docmanager xmlns:dm="urn:x-suse:ns:docmanager">
+      <dm:bugtracker></dm:bugtracker>
+      <dm:translation>yes</dm:translation>
+    </dm:docmanager>
+  </info>
+
+  <sect1 xml:id="sec-ha-virtualization-overview">
+    <title>Overview</title>
       <para>
       Virtual machines can take different roles in a &ha; cluster:
-      <itemizedlist>
+    </para>
+    <itemizedlist>
       <listitem>
         <para>
           A virtual machine can be managed by the cluster as a resource, without the cluster
@@ -41,7 +54,6 @@
         </para>
       </listitem>
     </itemizedlist>
-    </para>
     <para>
       The following procedures describe how to set up highly available virtual machines on
       block storage, with another block device used as an &ocfs; volume to store the VM lock files
@@ -54,12 +66,7 @@
       monitor the services via monitoring plug-ins. For more information, see
       <xref linkend="sec-ha-config-basics-remote-nagios"/>.
     </para>
-    </abstract>
-    <dm:docmanager xmlns:dm="urn:x-suse:ns:docmanager">
-      <dm:bugtracker></dm:bugtracker>
-      <dm:translation>yes</dm:translation>
-    </dm:docmanager>
-  </info>
+  </sect1>
 
   <sect1 xml:id="sec-ha-virtualization-requirements">
     <title>Requirements</title>