Zero downtime migration ( new server) from 11g to 12c using OGG .

Zero downtime migration ( new server) from 11g to 12c using OGG using RMAN instantiation method.

Looking for any metlink ID .

Brief overview :

1) Souce DB 11g , DB size 4 TB , no space on server to take backup.

2) Target DB 12,1

Method:

On source : A) Start extract and pump , let trail copy to target.

B ) Do active cloning from 11g to 12c Or Create physical standby on target and upgrade to 12.

Step by Step Guide on Creating Physical Standby Using RMAN DUPLICATE...FROM ACTIVE DATABASE (Doc ID 1075908.1)

Upgrade to 12c using RMAN Duplicate with Noopen clause and Backup Location (Doc ID 2022820.1)

C) On Target side 12c start replicate using SCN .