It shouldn't be the default to start/stop service during backup declarations..

scripts/backup

@@ -35,11 +35,6 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 #=================================================
 # STANDARD BACKUP STEPS
 #=================================================
-# STOP SYSTEMD SERVICE
-#=================================================
-ynh_script_progression --message="Stopping a systemd service..." --time --weight=1
-
-ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
 #=================================================
 # BACKUP THE APP MAIN DIR
@@ -99,13 +94,6 @@ ynh_backup --src_path="/etc/systemd/system/$app.service"
 
 ynh_backup --src_path="/etc/cron.d/$app"
 
-#=================================================
-# START SYSTEMD SERVICE
-#=================================================
-ynh_script_progression --message="Starting a systemd service..." --time --weight=1
-
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
-
 #=================================================
 # END OF SCRIPT
 #=================================================