In the last article, we performed downgrade of Oracle RAC Database from 12c to 11gR2. In this article, we are going to downgrade Oracle Grid Infrastructure from 12c (12.1.0.2) to 11gR2 (11.2.0.4) which contains two nodes ( node 1 & node 2). Before doing CRS downgrade we need to take backup of following files : Take tar […]
Articles Tagged: Downgrade
Downgrading a RAC database from 12.1.0.2 to 11.2.0.4
In the last article, we performed downgrade of Oracle Standalone Database from 12c to 11gR2. In this article, we can downgrade the 2 node RAC 12.1.0.2 database to 11.2.0.4, downgraded the database only and not the grid home. Assume all commands are being run on node 1, any commands that need to be run on node 2 […]
Downgrade Oracle Database from 12c to 11gR2
We have already upgraded Oracle Database11gR2 to 12c, the whole process is still relatively smooth, although some of the previous version of the upgrade is not the same, but the overall difficulty is not too large, because of too many different features, greatly extended the upgrade time. But for Oracle 12c back to the previous […]