diff --git a/docker-demo-3/scripts/configure-remote-state.sh b/docker-demo-3/scripts/configure-remote-state.sh
index 43ed9b6..afcb23e 100755
--- a/docker-demo-3/scripts/configure-remote-state.sh
+++ b/docker-demo-3/scripts/configure-remote-state.sh
@@ -1,2 +1,3 @@
 #!/bin/sh
+echo "the next command is not necessary anymore in newer versions of terraform. You should create a backend.tf file"
 terraform remote config -backend=s3 -backend-config="bucket=terraform-state-a2b6219" -backend-config="key=terraform/terraform.tfstate" -backend-config="region=eu-west-1"
diff --git a/docker-demo-3/scripts/jenkins-init.sh b/docker-demo-3/scripts/jenkins-init.sh
index de209c4..f87789c 100644
--- a/docker-demo-3/scripts/jenkins-init.sh
+++ b/docker-demo-3/scripts/jenkins-init.sh
@@ -5,6 +5,16 @@ vgchange -ay
 
 DEVICE_FS=`blkid -o value -s TYPE ${DEVICE}`
 if [ "`echo -n $DEVICE_FS`" == "" ] ; then 
+  # wait for the device to be attached
+  DEVICENAME=`echo "${DEVICE}" | awk -F '/' '{print $3}'`
+  DEVICEEXISTS=''
+  while [[ -z $DEVICEEXISTS ]]; do
+    echo "checking $DEVICENAME"
+    DEVICEEXISTS=`ls -asl /dev/disk/by-uuid/ | grep "$DEVICENAME"`
+    if [[ -z $DEVICEEXISTS ]]; then
+      sleep 15
+    fi
+  done
 	pvcreate ${DEVICE}
 	vgcreate data ${DEVICE}
 	lvcreate --name volume1 -l 100%FREE data