Production-validated framework implements automated validations to ensure service availability during Oracle database upgrades and patching.
In this paper, a production-proven methodology of zeroing down in times during Oracle database upgrades and Grid Infrastructure patching in corporate networks is a subject of introduction. It combines DBMS_ROLLING, Transient Logical Standby and Ansible orchestration to allow upgrades and rolling patches to be carried out seamlessly. The framework was implemented on 5,000+ databases and 40+ key applications without ever affecting service availability and the cutover took less than 5 minutes. Some of the notable characteristics are real-time lag monitoring, readiness to roll off and automated validations. The solution yielded cost savings of more than $100 million and safeguarded over $850 million of the revenue stream and has shown a scalable, resilient and completely automated roadmap towards consistent availability of the Oracle system
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Sridhar Krishna Korimilli (2025) studied this question.
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