diff --git a/ungleich-infrastructure.dot b/ungleich-infrastructure.dot
index 78c90bf..5c8f2f0 100644
--- a/ungleich-infrastructure.dot
+++ b/ungleich-infrastructure.dot
@@ -53,6 +53,9 @@ graph G {
         server2p5 -- ups2 [ label="Power connection 1100W" ]
         {server3p5,server4p5,router1p5,router2p5} -- noorunknownups [ label="???" ]
 
+        # MDarray section
+        mdarrayserver2 [ label="MDArray (server2)" ]
+        server2p5 -- mdarrayserver2 [ label="via SAS" ]
     }
 
     subgraph cluster_place6 {