“Performance only matters if your database is UP!”
Ensuring availability, recovery, and performance for business-critical operations. With extensive experience in complex Oracle diagnostics, I design and optimize data platforms. Currently evolving into a DSRE role, applying years of operational rigor to cloud ecosystems (AWS/OCI) and open-source engines like PostgreSQL and MongoDB.
On July 21, 2026, Oracle made a major shift in its security strategy for Oracle Database, and the consequences are already being felt in Oracle Cloud Infrastructure (OCI). If you manage an Oracle Database estate, this affects you directly. The reason: AI is changing the rules of the game Oracle has published a note (MOS PNEWS3015) warning that new AI models are dramatically lowering the barrier to finding and exploiting software vulnerabilities. The most significant part: these models can chain together several minor vulnerabilities, none critical on their own, to build complex attacks against the entire stack, not just the application layer. That’s why protecting only the network or application layer is no longer enough; the database needs to be just as hardened. ...
Este es el primer post de mi nuevo blog. He decidido abandonar plataformas cerradas y montar mi propio “Data Center” estático usando Hugo, GitHub y Vercel. ¿Por qué este cambio? Como DBA y SRE, tener control absoluto de mi infraestructura es innegociable. Con este setup consigo: Rendimiento extremo (cero llamadas a BBDD). Soberanía de datos (mis posts son archivos Markdown en mi local). Flujo CI/CD (escribo, hago push y se despliega solo). Nos vemos en el próximo post. ...
RMAN-05541: no archived logs found in target database. Problem: You are getting RMAN-05541 error when duplicating database from a consistent (cold) RMAN backup. RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of Duplicate Db command at 04/16/2021 12:57:12 RMAN-05501: aborting duplication of target database RMAN-05541: no archived logs found in target database Solution: The error should be resolved by using NOREDO clause for your duplicate command. ...