MIGRATE: A Rollback-Enabled Framework for Automated Oracle XTTS-Based Cross-Platform Database Migrations

Abstract

Enterprise database migrations are increasingly challenged by the need for zero-downtime, cross-platform compatibility, and high compliance assurance. This paper presents an automated, rollback-ready migration framework leveraging Oracle Cross-Platform Transportable Tablespaces (XTTS v4), integrated with a CI/CD pipeline using Jenkins and xttdriver.pl scripts. The proposed architecture incorporates structured rollback safeguards through Oracle Flashback, snapshot recovery, and Data Guard standby configurations. It enables endian conversion, incremental roll-forward via Block Change Tracking (BCT), and automated metadata transport across heterogeneous environments. A real-world financial services case study involving a 45 TB Oracle database migration from AIX to Linux validates the framework’s effectiveness, achieving zero data loss, a final cutover within 3.5 hours, 22% post-migration performance gain, and $1.2 million in annual savings. Comparative analysis against PostgreSQL, SQL Server, and MySQL migration mechanisms further highlights XTTS’s superior scalability and efficiency. The results demonstrate a production-grade, secure, and scalable solution for large-scale on-premises migrations, with future scope including hybrid cloud integration, engine-agnostic automation, and predictive rollback intelligence.