diff --git a/createhdds.sh b/createhdds.sh
index f638a65..3aafc3e 100755
--- a/createhdds.sh
+++ b/createhdds.sh
@@ -9,6 +9,10 @@ mkfs ext4 /dev/sda1
 mkfs ext4 /dev/sda2
 mount /dev/sda1 /
 write /testfile "Hello, world!"
+umount /
+mount /dev/sda2 /
+write /testfile "Oh, hi Mark"
+umount /
 _EOF_
 
 guestfish <<_EOF_