diff --git a/dicos/30_one-master-ha.xml b/dicos/30_one-master-ha.xml
index 0f74dfc..176dad8 100644
--- a/dicos/30_one-master-ha.xml
+++ b/dicos/30_one-master-ha.xml
@@ -10,9 +10,10 @@
         </family>
         <family name='Haute disponibilité' icon='cloud'>
             <variable name="one_ha_role" description="Rôle initial dans la grappe OpenNebula" type="string" mandatory="True"/>
-            <variable name="one_host_id" description="Identififiant unique de l'hôte dans la grappe" type="number" mandatory="True"/>
+            <variable name="one_server_index" description="Index du serveur dans la liste des orchestrateurs follower" type="number" mandatory="True"/>
+            <variable name='one_followers_domain' description='Nom de domaine des orchestrateurs follower' multi="True" type="domain_strict" mandatory="True" auto_freeze="True"/>
             <variable name="one_vip" description="Adresse IP de la VIP OpenNebula" type="ip" mandatory="True"/>
-            <variable name="one_vip_mask" description="Masque de sous-réseau de la VIP OpenNebula (format CIDR)" type="number" mandatory="True"/>
+            <variable name="one_vip_mask" description="Masque de sous-réseau de la VIP OpenNebula" type="netmask" mandatory="True"/>
         </family>
         <separators>
             <separator name='one_ha_role'>Rôle du nœud de virtualisation</separator>
@@ -29,14 +30,41 @@
             <param>non</param>
             <target type='family'>Haute disponibilité</target>
         </condition>
+        <condition name='disabled_if_in' source='one_ha_role'>
+            <param>follower</param>
+            <target type='variable'>one_followers_domain</target>
+            <target type='variable'>one_vip</target>
+            <target type='variable'>one_vip_mask</target>
+        </condition>
 
+        <condition name='frozen_if_in' source='one_ha_role'>
+            <param>leader</param>
+            <target type='variable'>one_server_index</target>
+        </condition>
+        <auto name='calc_multi_condition' target='one_server_index'>
+            <param>leader</param>
+            <param type='eole' name='condition_1'>one_ha_role</param>
+            <param name='match' type='number'>0</param>
+            <param name='default_mismatch'>None</param>
+        </auto>
+        <fill name='calc_val' target='one_vip_mask'>
+            <param type='eole' name='valeur'>adresse_netmask_eth0</param>
+        </fill>
+        <check name="valid_differ" target="one_vip">
+            <param type='eole'>adresse_ip_eth0</param>
+        </check>
+        <check name="valid_differ" target="one_vip">
+            <param type='eole'>adresse_ip_gw</param>
+        </check>
+        <check name="valid_ipnetmask" target="one_vip_mask" level="warning">
+            <param type='eole'>one_vip</param>
+        </check>
     </constraints>
 
     <help>
         <variable name='enable_one_ha'>Active la possibilité d'intégrer Hâpy dans une grappe de haute disponibilité OpenNebula</variable>
         <family name='Haute disponibilité'>Configuration du comportement du noeud dans la grappe</family>
         <variable name="one_ha_role">Rôle initial du noeud dans la grappe, permet de déterminer comment le serveur commence sa vie dans la grappe</variable>
-        <variable name="one_host_id">Identifiant unique du serveur dans la grappe, cet identifiant est un entier (0,1,2,3...)</variable>
         <variable name="one_vip">Adresse IP virtuelle (VIP) utilisée pour joindre le "Leader" de la grappe, les clients utiliseront cette IP pour contacter la grappe</variable>
         <variable name="one_vip_mask">Masque de sous réseau du réseau de la VIP au format CIDR (ex: 24 pour 255.255.255.0)</variable>
     </help>
diff --git a/postservice/30-one-mng b/postservice/30-one-mng
index 361667e..05386c3 100755
--- a/postservice/30-one-mng
+++ b/postservice/30-one-mng
@@ -185,9 +185,9 @@ function attach_host()
 {
     HOST=${1}
     CLST=${2}
-	# ref https://dev-eole.ac-dijon.fr/issues/16797
+    # ref https://dev-eole.ac-dijon.fr/issues/16797
     #CLST_ID=$(get_cluster_id_by_name ${CLST})
-	CLST_ID=0
+    CLST_ID=0
     HST_ID=$(get_host_id_by_name ${HOST})
     AUTH=$(get_one_auth)
     CMD="onecluster"
@@ -249,7 +249,7 @@ function create_datastore()
 {
     ds_type="${1}"
     ds_name="${2}"
-	# ref https://dev-eole.ac-dijon.fr/issues/16797
+    # ref https://dev-eole.ac-dijon.fr/issues/16797
     #ds_cluster="${3}"
 
     if [[ $(CreoleGet activer_multinode 2>&1) == 'oui' ]]
@@ -300,7 +300,7 @@ __EOF__
     RUN=$(${cmd} ${opt})
     if [[ ${?} -eq 0 ]]
     then
-		# ref https://dev-eole.ac-dijon.fr/issues/16797
+        # ref https://dev-eole.ac-dijon.fr/issues/16797
         #attach_ds_to_cluster ${ds_name} ${ds_cluster}
         rm ${TMPL_FILE}
         return 0
@@ -384,11 +384,11 @@ __EOF__
 
 function manage_datastores()
 {
-	# ref https://dev-eole.ac-dijon.fr/issues/16797
+    # ref https://dev-eole.ac-dijon.fr/issues/16797
     #cluster=${1}
     AUTH=$(get_one_auth)
 
-	# ref https://dev-eole.ac-dijon.fr/issues/16797
+    # ref https://dev-eole.ac-dijon.fr/issues/16797
     #SYSTEM_DS="$(CreoleGet 'one_ds_system_prefix')${cluster}"
     SYSTEM_DS="$(CreoleGet 'one_ds_system_prefix')default"
     ISO_DS=$(CreoleGet 'one_ds_iso_name')
@@ -398,7 +398,7 @@ function manage_datastores()
     sid=$(get_ds_id_by_name ${SYSTEM_DS})
     if [[ ${sid} = "ERR" ]]
     then
-	  # ref https://dev-eole.ac-dijon.fr/issues/16797
+      # ref https://dev-eole.ac-dijon.fr/issues/16797
       #create_datastore "SYSTEM" "${SYSTEM_DS}" "${cluster}"
       create_datastore "SYSTEM" "${SYSTEM_DS}"
     else
@@ -408,7 +408,7 @@ function manage_datastores()
     imgid=$(get_ds_id_by_name ${IMAGE_DS})
     if [[ ${imgid} = "ERR" ]]
     then
-	  # ref https://dev-eole.ac-dijon.fr/issues/16797
+      # ref https://dev-eole.ac-dijon.fr/issues/16797
       #create_datastore "IMAGE" "${IMAGE_DS}" "${cluster}"
       create_datastore "IMAGE" "${IMAGE_DS}"
     else
@@ -418,7 +418,7 @@ function manage_datastores()
     isoid=$(get_ds_id_by_name ${ISO_DS})
     if [[ ${isoid} = "ERR" ]]
     then
-	  # ref https://dev-eole.ac-dijon.fr/issues/16797
+      # ref https://dev-eole.ac-dijon.fr/issues/16797
       #create_datastore "ISO" "${ISO_DS}" "${cluster}"
       create_datastore "ISO" "${ISO_DS}"
     else
@@ -427,25 +427,56 @@ function manage_datastores()
     return 0
 }
 
+function init_ha() {
+    onezone show 0 | grep -A 2 ^"HA & FEDERATION SYNC STATUS" | tail -n 1 | grep -q ^" 0 "
+    if [ ! $? = 0 ]; then
+        # server 0 not displayed with onezone
+        SERVER=$(CreoleGet one_master)
+        DOMAIN=$(CreoleGet nom_domaine_machine)
+        FOLLOWER=$(CreoleGet one_follower_servername)
+        onezone server-add 0 --name $SERVER --rpc http://$DOMAIN:2633/RPC2
+        for $follower in $FOLLOWER; do
+            onezone server-add 0 --name $follower --rpc http://$follower:2633/RPC2
+        done
+    fi
+}
+
+function to_mysql() {
+    if [ $(CreoleGet one_database_type) = "mysql" && $(CreoleGet one_ha_role leader) = "leader" ]; then
+        # do not recover db on follower
+        HOST=$(CreoleGet one_database_host)
+        DB=$(CreoleGet one_database_name)
+        USER=$(CreoleGet one_database_user)
+        PASS=$(CreoleGet one_database_pass)
+        onedb sqlite2mysql -s /var/lib/one/one.db -u $USER -p $PASS -d $DB -S $HOST
+        systemctl stop opennebula.service
+        systemctl start opennebula.service
+    fi
+}
+
 function main()
 {
     wait_true_retcode "Wait for oned to be started" "onecluster show 0 > /dev/null"
+    if [ $(CreoleGet one_ha_role) = "leader" ]; then
+        init_ha
+    fi
+    to_mysql
     #
     # Rename default cluster
     clst_name=$(CreoleGet one_cluster_name)
     rename_default_cluster "${clst_name}"
 
-	# Wait 4 seconds for service (ref #16848)
-	sleep 4
+    # Wait 4 seconds for service (ref #16848)
+    sleep 4
 
     #
     # Creating Host
     #
-	if [[ $(CreoleGet eole_module non) != 'hapy-master' ]]
-	then
-		host=$(CreoleGet nom_machine)
-		manage_host ${host}
-	fi
+    if [[ $(CreoleGet eole_module non) != 'hapy-master' ]]
+    then
+        host=$(CreoleGet nom_machine)
+        manage_host ${host}
+    fi
 
     #
     # Attaching Host to the Cluster
diff --git a/scripts/one_ha_init b/scripts/one_ha_init
deleted file mode 100755
index b498139..0000000
--- a/scripts/one_ha_init
+++ /dev/null
@@ -1,12 +0,0 @@
-SERVER=$(CreoleGet one_master)
-IP=$(CreoleGet adresse_ip_eth0)
-if [ $(CreoleGet one_database_type) = "mysql" && $(CreoleGet one_ha_role) = "leader" ]; then
-    HOST=$(CreoleGet one_database_host)
-    DB=$(CreoleGet one_database_name)
-    USER=$(CreoleGet one_database_user)
-    PASS=$(CreoleGet one_database_pass)
-    onedb sqlite2mysql -s /var/lib/one/one.db -u $USER -p $PASS -d $DB -S $HOST
-    systemctl stop opennebula
-    systemctl start opennebula
-fi
-onezone server-add 0 --name $SERVER --rpc http://$IP:2633/RPC2
diff --git a/tmpl/oned.conf b/tmpl/oned.conf
index 72f8ab3..15356a3 100644
--- a/tmpl/oned.conf
+++ b/tmpl/oned.conf
@@ -153,7 +153,11 @@ VNC_PORTS = [
 FEDERATION = [
     MODE          = "STANDALONE",
     ZONE_ID       = 0,
+%if %%enable_one_ha == 'oui'
+    SERVER_ID     = %%one_server_index,
+%else
     SERVER_ID     = -1,
+%end if
     MASTER_ONED   = ""
 ]
 
@@ -166,17 +170,19 @@ RAFT = [
     XMLRPC_TIMEOUT_MS    = 450
 ]
 
+%if %%enable_one_ha == 'oui' and one_ha_role == 'leader'
 # Executed when a server transits from follower->leader
-# RAFT_LEADER_HOOK = [
-#     COMMAND = "raft/vip.sh",
-#     ARGUMENTS = "leader <interface> <ip_cidr>"
-# ]
+RAFT_LEADER_HOOK = [
+    COMMAND = "raft/vip.sh",
+    ARGUMENTS = "leader %%nom_zone_eth0 %%one_vip/%%calc_classe(%%one_vip_mask)"
+]
 
 # Executed when a server transits from leader->follower
-# RAFT_FOLLOWER_HOOK = [
-#     COMMAND = "raft/vip.sh",
-#     ARGUMENTS = "follower <interface> <ip_cidr>"
-# ]
+RAFT_FOLLOWER_HOOK = [
+    COMMAND = "raft/vip.sh",
+    ARGUMENTS = "follower %%nom_zone_eth0 %%one_vip/%%calc_classe(%%one_vip_mask)"
+]
+%end if
 
 #*******************************************************************************
 # Default showback cost