Sessions not failing over - 11.2.0.3 RAC

Hi,

We have a 2 node 11g RAC (11.2.0.3) database with 2 services defined as following

Service name: abc
Service is enabled
Server pool: prod_abc
Cardinality: 2
Disconnect: false
Service role: PRIMARY
Management policy: AUTOMATIC
DTP transaction: false
AQ HA notifications: false
Failover type: SELECT
Failover method: BASIC
TAF failover retries: 180
TAF failover delay: 5
Connection Load Balancing Goal: SHORT
Runtime Load Balancing Goal: SERVICE_TIME
TAF policy specification: BASIC
Edition:
Preferred instances: prod1,prod2
Available instances:


Here is the result from dba_services


NAME           FAILOVER_MET FAILOVER_T FAILOVER_RETRIES FAILOVER_DELAY GOAL         ENA AQ_ CLB_G
-------------- ------------ ---------- ---------------- -------------- ------------ --- --- -----