IDUG Brazil 2026

Ensuring high availability and resilience is a core requirement for modern enterprise data platforms. In Db2 Data Sharing environments, lock structures are a fundamental component for maintaining system stability and consistent performance under continuous, mission-critical workloads. 

At Itaú Unibanco S.A., Db2 for z/OS supports essential banking applications operating 24x7, across transactional and batch workloads in a large-scale production environment. As part of its ongoing resilience and architecture evolution strategy, Itaú adopted the Db2 Lock Structure Asynchronous Duplex capability. This implementation strengthened the platform’s resilience posture by increasing fault tolerance, enhancing operational continuity during infrastructure maintenance, and reinforcing overall system stability.

In this presentation, specialists from Itaú and IBM share practical insights from the initiative, including architectural motivations, implementation considerations, testing approaches, and results achieved. The discussion highlights how close collaboration between client and vendor supported the successful adoption of advanced Db2 z/OS capabilities in a complex enterprise environment.