Database direct upgrade from 11g to 12c to Exadata X6-2 from X5-2 – RMAN DUPLICATE DATABSAE WITH NOOPEN

At one of the customers recently, a few production databases migration from X5-2 to X6-2 with Oracle 11g upgrade to Oracle 12cR1 was successfully delivered.

As we all knew, there are handful of methods available to migrate and upgrade an Oracle databases. Our objective was simple. Migrate Oracle 11g ( database from X5-2 to Oracle 12c ( on X6-2.

Since the OS on source and target remains the same, (more...)

Oracle EBS Suite blank Login page – Post Exadata migration

As part of EBS database migration on Exadata, we recently deployed a brand new Exadata X5-2L (eighth rack), and migrated an Oracle EBS Database from the typical storage/server technologies.

Below are the environment details:

EBS Suite 12.1.3 (running on two application servers with hardware LOAD BALANCER)
Database :, RAC database with 2 instance

After the database migration, buildxml and autoconfig procedures went well on both application and database tiers. (more...)

Exadata X5-2L deployment & Challenges

A brand new Exadata X5-2L eighth rack (I knew the latest is X7 now, but it was for a POC, so no worries) has been deployed recently at a customer for Oracle EBS Exadata migration POC purpose. Its wasn't an easy walk in the park as I initially presumed. There were some challenges (network, configuration) thrown during the migration, but, happily overcome and had it installed and EBS database migration completion.

So, I am going (more...)

Oracle R Enterprise Server Configuration

Oracle R Enterprise Server Overview

Oracle R Enterprise includes several components on the server. Together these components enable an Oracle R (more...)