diff --git a/postservice/99-z-ha b/postservice/99-z-ha
index f437830..88b70d4 100644
--- a/postservice/99-z-ha
+++ b/postservice/99-z-ha
@@ -1,5 +1,15 @@
 #!/bin/bash
 
-/usr/share/eole/sbin/onehost_create_all
+ha=$(CreoleGet activer_one_ha non)
+if [[ ${ha} == "oui" ]]
+then
+   indx=$(CreoleGet one_ha_server_index)
+else
+   indx="0"
+fi
 
+if [[ ${1} == "instance" ]] && [[ ${indx} == "0" ]]
+then
+   /usr/share/eole/sbin/onehost_create_all
+fi
 exit 0
diff --git a/scripts/onehost_create_all b/scripts/onehost_create_all
index 253fb63..af8a690 100755
--- a/scripts/onehost_create_all
+++ b/scripts/onehost_create_all
@@ -28,6 +28,7 @@ EOF
     REMOTEKEY=$(su - oneadmin -c "ssh ${host} 'cat ~oneadmin/.ssh/id_rsa.pub'")
     if ! grep -qs "$REMOTEKEY" ~oneadmin/.ssh/authorized_keys; then
         su - oneadmin -c "echo ${REMOTEKEY} >> ~oneadmin/.ssh/authorized_keys"
+        su - oneadmin -c "ssh-keyscan $host"
     fi
 }
 
@@ -46,20 +47,20 @@ function copy_files()
 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
+    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
+    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 ${?}
+    cmd2="scp ${DBBCK} ${ip}:${DBFILE}.leader"
+    ret=$(su - ${user} -c -- "${cmd2}")
+    return ${?}
 }
 
 #
@@ -69,10 +70,10 @@ function sync_db()
 #
 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 ${?}
+    # Need to sync hosts with rsync after creation, ONE 5.6.1 bug
+    cmd2="onehost sync -f --rsync"
+    ret2=$(su - ${ONEUSER} -c -- "${cmd2}")
+    return ${?}
 }
 
 #
@@ -159,6 +160,18 @@ fi
 
 HAPY_HA=$(CreoleGet activer_one_ha "non")
 
+master=1
+if [[ ${HAPY_HA} == "oui" ]]; then
+    idx=$(CreoleGet one_ha_server_index)
+    if [[ ${idx} != "0" ]]; then
+        EchoBleu "Mode HA: (on) Index : [${idx}]"
+        echo -e "\t$(basename ${0}) doit être lancé uniquement sur le leader (index 0)"
+        exit 0
+    else
+        master=0
+    fi
+fi
+
 declare -a HAPY_SLV=('')
 ONEUSER=$(CreoleGet virt_user)
 HAPY_SLV=$(echo $(CreoleGet one_nodes) | sed -e "s/\n/ /g")
@@ -174,14 +187,7 @@ then
     exit 1
 fi
 
-master=1
-if [ "$(CreoleGet activer_one_ha)" = "oui" ]; then
-    if [ "$(CreoleGet one_ha_server_index)" != "0" ]; then
-        exit 0
-    else
-        master=0
-    fi
-fi
+
 for host in ${HAPY_SLV}; do
     echo -e "\n"
     EchoOrange "Traitement du noeud ${host}"
@@ -196,17 +202,17 @@ for host in ${HAPY_SLV}; do
     EchoVert " * Enregistrement du noeud"
     register_node ${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
+    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