+In the Cherry release, besides the Bronze release features, it has the 2 server mode supported. And these 2 servers will be active and standby mode to provide the high availability (HA) capability.
+The controller functionality and storage functionality will be deployed at the 2 servers with standby-active mode managed by "service management". If one server or one service in one server has error, it will be switched from active to standby one to maintain the service availability.