diff --git a/doc/x5dagon.txt b/doc/x5dagon.txt
index 7bd767a..92e7df7 100644
--- a/doc/x5dagon.txt
+++ b/doc/x5dagon.txt
@@ -5,6 +5,30 @@ TarDiBa - Database Server
 Operating System
 ----------------
 
+Kernel
+~~~~~~
+
+Patches
+^^^^^^^
+
+- linux-vserver (included in vserver package and applied automatically)
+- grsecurity (we have to use stable Linux-VServer + grsecurity patch)
+
+
+Filesystem
+~~~~~~~~~~
+
+Filesystem Layout
+^^^^^^^^^^^^^^^^^
+
+mountpoint fstype size
+
+/ 
+/boot
+/usr
+/home
+/data
+
 - filesystem, probably reiserfs (fast)
 - tweaked boot for high performance
 - tweaked kernel, highmem, disk access and stuff