diff --git a/postservice/30-one-mng b/postservice/30-one-mng
index 98f4f57..93526f0 100755
--- a/postservice/30-one-mng
+++ b/postservice/30-one-mng
@@ -264,10 +264,11 @@ function create_datastore()
 {
     ds_type="${1}"
     ds_name="${2}"
+	local ha=$(CreoleGet activer_one_ha)
     # ref https://dev-eole.ac-dijon.fr/issues/16797
     #ds_cluster="${3}"
 
-    if [[ $(CreoleGet activer_multinode 2>&1) == 'oui' ]]
+    if [[ $(CreoleGet activer_multinode 2>&1) == 'oui' ]] && [[ ${ha} == "non" ]]
     then
       SYS_TM_MAD='ssh'
       ISO_TM_MAD='ssh'
@@ -331,13 +332,14 @@ function update_datastore()
   local cmd="onedatastore"
   local opt="show"
   local multinode=$(CreoleGet activer_multinode 2>&1)
+  local ha=$(CreoleGet activer_one_ha)
   ds_type=""
   ds_mad=""
   ds_name=""
 
   TMPL_FILE=$(mktemp)
 
-  if [[ ${multinode}  == 'oui' ]]
+  if [[ ${multinode}  == 'oui' ]] && [[ ${ha} == "non" ]]
   then
     SYS_TM_MAD='ssh'
     ISO_TM_MAD='ssh'
@@ -484,8 +486,9 @@ function main()
     # Création des Datastores
     #
     manage_datastores "${clst_name}"
+
 }
 
-main
+main $@
 
 exit 0
diff --git a/preservice/31-one-ha b/preservice/31-one-ha
new file mode 100755
index 0000000..d19a938
--- /dev/null
+++ b/preservice/31-one-ha
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+HA=$(CreoleGet activer_one_ha non)
+DBMODE=$(CreoleGet one_database_type "none")
+LEADER_DB_FILE="/var/lib/one/one.db.leader"
+DBFILE="/var/lib/one/one.db"
+
+# If HA is enabled and a leader database file is present
+# we restore the leader database.
+
+if [[ ${HA} == "oui" ]] && [[ ${DBMODE} == "sqlite" ]]
+then
+   if [[ -f ${LEADER_DB_FILE} ]]
+   then
+	   if [[ $(CreoleGet one_ha_server_index) != "0" ]]
+	   then
+         onedb restore --sqlite ${DBFILE} ${LEADER_DB_FILE} -f
+         if [[ $? -eq 0 ]]
+         then
+            rm ${LEADER_DB_FILE}
+            exit ${?}
+         fi
+      fi
+   fi
+fi
+exit 0
diff --git a/scripts/onehost_create_all b/scripts/onehost_create_all
index dce9bd0..253fb63 100755
--- a/scripts/onehost_create_all
+++ b/scripts/onehost_create_all
@@ -16,7 +16,7 @@ function copy_ssh_id()
     local host=${1}
 
     CLEF=$(cat ~oneadmin/.ssh/id_rsa.pub)
-    ssh ${host} bash -x <<EOF
+    ssh ${host} bash <<EOF
 if ! grep -qs "$CLEF" ~oneadmin/.ssh/authorized_keys; then
     echo "$CLEF" >> ~oneadmin/.ssh/authorized_keys
     chown oneadmin:oneadmin ~oneadmin/.ssh/authorized_keys
@@ -37,6 +37,44 @@ function copy_files()
     su - oneadmin -c "scp .one/* ${host}:.one/"
 }
 
+
+#
+# NAME: sync_db
+# AIM: Sync onedb in HA and sqlite mode
+# PARAM: the hostname of the node
+#
+function sync_db()
+{
+    local ip=${1}
+	local user="oneadmin"
+	local DBFILE="/var/lib/one/one.db"
+	local DBBCK="/tmp/one.db.bck"
+	local ret=0
+
+	if [[ ! -f ${DBBCK} ]]
+	then
+		cmd="onedb backup --sqlite ${DBFILE} ${DBBCK}"
+		ret=$(su - ${user} -c -- "${cmd}")
+	fi
+
+	cmd2="scp ${DBBCK} ${ip}:${DBFILE}.leader"
+	ret=$(su - ${user} -c -- "${cmd2}")
+	return ${?}
+}
+
+#
+# NAME: sync_nodes
+# AIM: force nodes sync with rsync (ONE 5.6.1 bug)
+# PARAM: none
+#
+function sync_nodes()
+{
+	# Need to sync hosts with rsync after creation, ONE 5.6.1 bug
+	cmd2="onehost sync -f --rsync"
+	ret2=$(su - ${ONEUSER} -c -- "${cmd2}")
+	return ${?}
+}
+
 #
 # NAME: register_node
 # AIM: register the node in OpenNebula master
@@ -45,6 +83,7 @@ function copy_files()
 function register_node()
 {
     cmd="onehost create -i kvm -v kvm -c 0 ${1}"
+
     ret=$(su - ${ONEUSER} -c -- "${cmd}")
     if [[ ${?} -ne 0  ]]
     then
@@ -54,19 +93,6 @@ function register_node()
     fi
 }
 
-# Fix host creation error from 5.6.1 with sync methode rsync
-function sync_host()
-{
-    CMD="onehost"
-    OPT="sync -f --rsync"
-    res=$(su - ${ONEUSER} -c "${CMD} ${OPT}")
-    if [[ ${?} -ne 0  ]]
-    then
-        EchoRouge "Hosts sync failed $res"
-    else
-        EchoVert "Hosts sync OK"
-    fi
-}
 
 #
 # NAME: wait_node_ok
@@ -130,9 +156,13 @@ then
     EchoRouge "Le mode multi-noeuds n'est pas activé dans l'interface de configuration du module"
     exit 1
 fi
+
+HAPY_HA=$(CreoleGet activer_one_ha "non")
+
 declare -a HAPY_SLV=('')
 ONEUSER=$(CreoleGet virt_user)
 HAPY_SLV=$(echo $(CreoleGet one_nodes) | sed -e "s/\n/ /g")
+DBMODE=$(CreoleGet one_database_type "none")
 
 echo -e "\n"
 EchoBleu "Vous allez inscrire un noeud dans une grappe Hâpy"
@@ -165,8 +195,23 @@ for host in ${HAPY_SLV}; do
 
     EchoVert " * Enregistrement du noeud"
     register_node ${host}
-    sync_host ${host}
     # wait_node_ok ${host}
+	if [[ ${HAPY_HA} == "oui" ]]
+	then
+		if [[ $DBMODE == "sqlite" ]]
+		then
+			if [[ $(CreoleGet one_ha_server_index) == "0" ]]
+			then
+				sync_db ${host}
+		    fi
+	    fi
+	fi
+	sync_nodes
+    wait_node_ok ${HAPY_SLV[${i}]}
+    if [[ ${?} -ne 0 ]]
+    then
+        EchoRouge "Erreur lors de l'enregistrement du noeud ${HAPY_SLV[${i}]} !"
+    fi
 done
 
 if [ $master = 0 ]; then