Mainframe Automation: Types, Approaches, and How to Test It

Mainframe systems, particularly IBM zSystems, remain integral to global economic operations, processing a significant portion of the world's financial transactions. As manual operations become increasingly impractical due to a retiring workforce and the need for modernization, automation offers a solution by streamlining processes like job scheduling, code deployment, and system monitoring on IBM Z and z/OS platforms. Mainframe automation encompasses four key types: operational and workload automation, robotic (screen) automation, DevOps automation, and test automation, each addressing different aspects of the mainframe ecosystem. While automation promises efficiency and reduced manual labor, the lack of adequate testing can lead to faster deployment of defects, especially in critical banking workloads. Testing, therefore, is vital to ensure that automation delivers its intended benefits without introducing errors. The market for mainframe modernization, driven by automation, is projected to grow significantly, highlighting the importance of integrating thorough testing protocols to maintain system stability and resilience.

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