Mention that intermediate schema upgrade to 2.15 is needed
Bug: Issue 10248
Change-Id: If9c8b95434a79ba9ccdb5314699bb016bf90e548
diff --git a/pages/site/releases/2.16.md b/pages/site/releases/2.16.md
index 4d95478..be120c5 100644
--- a/pages/site/releases/2.16.md
+++ b/pages/site/releases/2.16.md
@@ -30,6 +30,17 @@
## Important Notes
+### Known problem with schema upgrade
+
+When a gerrit site older than 2.15 is migrated to 2.16, then schema
+migration should be first performed to the latest 2.15 release.
+
+To upgrade to 2.15 latest release:
+
+``` sh
+ java -jar gerrit-2.15.latest.war init -d ${site_path}
+```
+
### Known problem with plugins and index
Since 2.14.2 the plugins are loaded before online reindexing is started, so
