Add update hint.

mnlipp · Feb 25, 2024 · 4bf9d6c · 4bf9d6c
1 parent c6c6bea
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diff --git a/_layouts/default.html b/_layouts/default.html
@@ -41,6 +41,7 @@ <h3>By <a href="https://github.com/mnlipp">Michael N. Lipp</a></h3>
         <li><p class="part-entry"><a href="controller.html">The Controller</a></p></li>
         <li><p class="part-entry"><a href="webgui.html">The Web-GUI</a></p></li>
         </ul>
+        <p class="part-list-title"><a href="upgrading.html">Upgrading</a></p>
         <p class="part-list-title"><a href="latest-release/javadoc/index.html">Javadoc</a></p>
 
       </header>

diff --git a/upgrading.md b/upgrading.md
@@ -0,0 +1,14 @@
+---
+layout: default
+title: Upgrading
+---
+
+# Upgrading
+
+## To version 2.2.0 
+
+Version 2.2.0 sets the stateful set's `.spec.updateStrategy.type` to
+"OnDelete". This fails for no apparent reason if a definition of 
+the stateful set with the default value "RollingUpdate" already exists.
+In order to fix this, either the stateful set or the complete VM definition
+must be deleted and the manager must be restarted.