After update from RHCS 1.3.3 to RHCS 2.1 the single site radosgw does not work

Issue

• After update from RHCS 1.3.3 to RHCS 2.1 the single site radosgw does not work
• After start of the service, the radosgw process is failing to start

# systemctl start ceph-radosgw@radosgw.cephrgw1
# systemctl status ceph-radosgw@radosgw.cephrgw1
● ceph-radosgw@radosgw.cephrgw1.service - Ceph rados gateway
   Loaded: loaded (/usr/lib/systemd/system/ceph-radosgw@.service; enabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Thu 2017-03-16 18:31:43 IST; 2s ago
  Process: 31493 ExecStart=/usr/bin/radosgw -f --cluster ${CLUSTER} --name client.%i --setuser ceph --setgroup ceph (code=exited, status=5)
 Main PID: 31493 (code=exited, status=5)

• output from radosgw.log file

2017-03-16 13:00:36.742728 7f55e77539c0  1 -- 192.168.1.12:0/1591857301 mark_down 0x7f55e7a2c080 -- 0x7f55e7a27ca0
2017-03-16 13:00:36.742999 7f55e77539c0  1 -- 192.168.1.12:0/1591857301 mark_down_all
2017-03-16 13:00:36.743086 7f55e77539c0  1 -- 192.168.1.12:0/1591857301 shutdown complete.
2017-03-16 13:00:36.743199 7f55e77539c0 -1 Couldn't init storage provider (RADOS)