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Recently Published
Defining the Standard: Craig Mullins and a Career Shaping Db2 Expertise
Craig Mullins President & Principal Consultant, Mullins Consulting, Inc. Sugar Land, Texas, USAThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For Craig Mullins, influence is built through consistency. With more than three decades of...
Scaling Modernization from the Inside: Rosalind Radcliffe’s Work to Make Transformation Real
Rosalind Radcliffe IBM Fellow, CTO, Z Ecosystem, IBM Chapel Hill, North Carolina, USAThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For Rosalind Radcliffe, modernization is not defined by strategy decks or future-state architecture...
NEWS – Granite 4.0, Free Cybersecurity Labs, and more
IBM Announces Granite 4.0 Free (Cybersecurity) Labs! Upcoming IBM Z Day Chase Card Decommissioning All Mainframe Code, with AI Assistance IBM z/OS Core Collection v1.15.0 GA ReleasedIBM Announces Granite 4.0 IBM has introduced Granite 4.0, initiating a new era for its...
Actual Intelligence in z/OS Performance and Capacity Planning
It is exciting to be part of the world of computer performance at the dawn of AI. Many companies are heavily investing in Artificial Intelligence (AI) with only a few crude implementations having materialized thus far. As a performance guy, I can say it is important...
AI and ethics and mainframes
When Beliefs Shape Machines Imagine two people talking in a bar—one believes in God, and the other doesn’t. One swears by Apple, the other by Android. One supports Trump, the other can’t stand him. It doesn’t matter which side you’re on; the point is that people...
Why It’s Finally Time to Retire Your TN3270 Emulator
For decades, TN3270 terminal emulators have been a staple for accessing mission-critical mainframe applications. However, as cyber threats evolve and legacy systems strain under new compliance demands, it is becoming increasingly clear that traditional...
Looking Ahead to GS UK Conference 2025
Do more at the Core. Built to Learn, Engineered to Lead. The GS-UK In-Person Conference 2025 will be held on Monday, 3 November to Thursday, 6 November 2025, at Whittlebury Hall, Northamptonshire. This year’s theme is Do more at the Core. Built to Learn, Engineered to...
Why Human Error is the Mainframe’s Biggest Risk
Mainframes have always had a bit of a superhero reputation: rock-solid, ultra-secure, and always up. They’ve powered banks, airlines, and governments for decades without so much as blinking. But I want to share an uncomfortable truth: even the most secure systems in...
Performance & Tuning Month
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Upcoming Events
Events
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SHARE Pittsburgh 2026
FeaturedSHARE Pittsburgh brings together mainframe IT professionals for five days of education, networking, and knowledge sharing. The conference program features expert-led sessions, hands-on learning, and forward-looking insights designed to help […]
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Virtual IMS User Group | All about SMP-E (System Modification Program-Extended)— It’s SiMPlified!!!
Zoom - Virtual MeetingAll about SMP/E (System Modification Program/Extended) — It's SiMPlified!!! SMP/E (System Modification Program/Extended) is the foundation of software maintenance and update management within the z/OS ecosystem. This session provides a […]
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Accelerating Mainframe Efficiency: Development and Testing Webinar
Zoom - Virtual MeetingUnlock the power of instantly available mainframe resources to revolutionize mainframe delivery. The third session in the PopUp Persona Webinar series reveals how application developers, software engineers, and QA teams […]
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Virtual IMS User Group | Data Gravity and IBM Z: Bringing Processing to the Data
Zoom - Virtual MeetingAs data volumes grow, they naturally attract applications, services, and processing toward them—a concept commonly referred to as data gravity. In hybrid cloud environments, understanding data gravity has become increasingly […]
❓2026 Arcati Survey Trivia
Welcome to this week’s Planet Mainframe trivia quiz! On the heels of the 2026 Arcati Survey Results release, this round of trivia focuses on changes underway. Workforce demographics are shifting, new generations are entering mainframe computing fields (and through...
Business-Driven Automation, AI Confidence Outpaces Readiness, and more
BMC Advances Business-Driven Automation and Mainframe Transformation with AI-Powered Innovations Precisely’s State of Data Integrity and AI Readiness Study: AI Confidence Outpaces Readiness Rocket Software to Acquire Vertica Analytics Database Platform from OpenText...
❓Python Programming Trivia
We often describe Python as a “modern” language, but its story spans decades of technological change, cultural shifts, and unexpected platforms. What began as a small side project in the Netherlands evolved into one of the most widely used programming languages in the...
NEWS – Rocket Software and K2view Partnership, 2025 Gartner Peer Insights Customers’ Choice, and more
IBM Introduces New Software to Address Growing Digital Sovereignty Imperative Rocket Software and K2view Partner to Accelerate Mainframe Modernization with Governed, AI-Ready Test Data for Testing, Analytics, and AI BMC is recognized as a 2025 Gartner® Peer Insights™...
❓Mainframe Professional Skills Trivia
Our last trivia quiz explored the legacy of mainframe pioneers, and this week we’re going to continue looking into the lineage of skills in mainframe professional practice, examining how early design and operational decisions shaped the way mainframe expertise is...
❓ Workforce and Training Trivia
Happy 2026—and welcome to a whole new year of Planet Mainframe Trivia! As our January theme focuses on Workforce and Training, this quiz looks at mainframe pioneers and the early decisions that shaped how mainframe skills are learned and passed on. Mainframe expertise...