In dataguard environment primary is gone. So, we did failover to standby. Now standby is running as primary. We need to rebuild primary. It is configured with dataguard broker.
Oracle version = Oracle Database 11g Enterprise Edition Release 18.104.22.168.0 - 64bit Production
OS version= Linux ukbisbpww018 2.6.18-348.16.1.el5 #1 SMP Sat Jul 27 01:05:23 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux.
Thanks in advance.