Standby Switchover demo steps

1.Script for taking backup of the primary database:
run
{
allocate channel c1 device type disk format 'd:\backup\%d_DATA_%U_%T';
allocate channel c2 device type disk format 'd:\backup\%d_DATA_%U_%T';
allocate channel c3 device type disk format 'd:\backup\%d_DATA_%U_%T';
backup database plus archivelog;
release channel c1;
release channel c2;
release channel c3;
allocate channel c1 type disk format 'D:\backup\%D_CRTL_%U_%T';
backup current controlfile for standby;
release channel c1;
}
2. Switchover the primary database to the standby mode.


3. Bringing the new standby database to the recovery mode


4. Switchover the old standby database to primary mode



5. Configure the standby archive destination in the new primary database: