Recently Published
AI-Powered WLM Cuts Batch Queue Time by Up to 70%
What happens when Workload Manager can anticipate batch demand instead of simply responding to it? The latest issue of Cheryl Watson’s Tuning Letter leads off with findings from testing IBM AI-powered Workload Manager (WLM). The test used an AI model trained on 30...
Partnership to Accelerate Secure AI Deployment, Introduction of New Agentic Modernization, and more
IBM Partners with OpenAI to Accelerate Secure AI Deployment for Enterprises Across Core Operations Kyndryl Introduces New Agentic Modernization Services-As-Software Scaled Through Kyndryl Bridge BMC Achieves the AWS AI Competency Kyndryl Named 2026 CIO 100 Award...
You Can Now Carry a Teaching Mainframe in Your Bag
For years I have told mainframe security newcomers the same thing: If you want to learn how to attack and defend a system, you need to use that system. Unfortunately, z/OS is not something you spin up on a laptop over lunch or throw into your home lab. Mainframe...
Mainframe Training Needs Real Hands-On Access
Mainframe organizations are investing in modernization, but new tools and processes only go so far if people do not have a place to learn and practice. That was the focus of the second session in the Pop-Up Mainframe Persona Webinar Series, hosted by Planet Mainframe...
Mainframe Jargon Challenge
Every technical field develops its own language, and the mainframe world is no exception. Whether we’re talking about the alphabet soup of multi-letter acronyms or terms that have been part of the platform for decades, mainframe jargon serves as a kind of shorthand...
Why Y2K38 Could Bring Temporal Governance Back to the Mainframe
In my January 2026 article, I deconstructed the mathematical inevitability of the Y2K38 rollover—that critical moment on January 19, 2038, when 32-bit signed counters reach their limit. However, in our modern, hyper-connected landscape, Y2K38 is far more than a...
Git on IBM Z: Modernize the Workflow, Not Just the Repository
Moving IBM Z source code into Git should simplify development. But when Git still feeds a legacy library manager, teams often end up maintaining two systems, two workflows, and two versions of the truth. For many IBM Z clients, the journey to modern development...
AI Ranked as Top Priority, Lightwell at No Cost to Universities, and more
Rocket Software Study Reveals 94% of Financial Services Leaders Rank AI as a Top IT Priority IBM Study: One in Four Malicious Breaches are AI-Enabled, Costing Companies $6 Million on Average IBM and Red Hat Offer Lightwell at No Cost to Universities, NGOs and Think...
Performance & Tuning Month
5 Mainframe Performance Tuning Examples That Deliver Quantifiable Value
Mainframe performance tuning does not always require a bigger budget, and lower resource consumption does not always produce a smaller bill. The real opportunity for optimizing mainframe business value lies in understanding where tuning creates usable capacity,...
❓ROI, Business Case, and Tuning for Value: Round Two
This month at Planet Mainframe Trivia, we've been exploring how organizations maximize the value of their mainframe investments. Creating value doesn't end once a project is approved. Organizations continually look for ways to improve performance, optimize resources,...
The bill for technical debt just came due
“It still runs" no longer means "it’s still safe." Here is why AI-driven exploit discovery is turning decades of unpatched technical debt, legacy frameworks, and hidden API flaws into an immediate target list.This topic has been nagging at me for months, because it...
Stop Defending Mainframe Costs. Start Demonstrating Mainframe Business Value.
Every budget cycle, IBM Z teams are asked to justify the platform's cost. The strongest answer isn't about hardware or software. It’s about measurable business value.Come budget season, and somewhere, a technology leader is asked a familiar question: "Why does the...
The General Ledger, the Mainframe, and the Programmer Who’s Taking Up Golf
Why Finance and Mainframe Teams Need to Stop Talking About Cost Savings and Start Talking About Business ValueThere is an old accounting joke: An accountant is someone who solves a problem you didn't know you had in a way you don't understand. For decades, many...
❓ROI, Business Case and Tuning for Value Trivia: Round One
For July’s Planet Mainframe Trivia Quizzes, we're exploring the fundamentals of measuring value and making informed technology decisions. Whether the investment involves modernizing a mainframe environment, optimizing workloads, or deploying new enterprise...
Webinar: Accelerating Mainframe Efficiency for SysProgs and DBAs
Mainframe modernization is often discussed in broad strategic terms, but for the teams responsible for keeping core systems running, the challenge is much more practical: How do you make change faster, safer, and more repeatable without disrupting critical...
Tuning for Business Value, Not Cost: Building a Better Business Case for Mainframe Modernization
Modernization can deliver tremendous business value. But cost savings only materialize when organizations understand how mainframe economics really work. Organizations often launch mainframe modernization initiatives with a clear objective: reduce costs by moving...
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Upcoming Events
Events
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Vanguard Security & Compliance
For 40 years, Vanguard Security & Compliance has brought together global cybersecurity leaders from both private industry and government agencies to deliver the most complete knowledge-based training for securing and […]
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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 […]
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Virtual CICS User Group | Latest Update on Security in CICS TS 6.3: The Journey to Zero Trust
Zoom - Virtual MeetingCICS has been advocating zero trust principles and introducing security-focused enhancements since CICS TS 6.1. This session will explore the latest security capabilities available in CICS TS 6.3 and how […]
Partnership to Accelerate Secure AI Deployment, Introduction of New Agentic Modernization, and more
IBM Partners with OpenAI to Accelerate Secure AI Deployment for Enterprises Across Core Operations Kyndryl Introduces New Agentic Modernization Services-As-Software Scaled Through Kyndryl Bridge BMC Achieves the AWS AI Competency Kyndryl Named 2026 CIO 100 Award...
Mainframe Jargon Challenge
Every technical field develops its own language, and the mainframe world is no exception. Whether we’re talking about the alphabet soup of multi-letter acronyms or terms that have been part of the platform for decades, mainframe jargon serves as a kind of shorthand...
AI Ranked as Top Priority, Lightwell at No Cost to Universities, and more
Rocket Software Study Reveals 94% of Financial Services Leaders Rank AI as a Top IT Priority IBM Study: One in Four Malicious Breaches are AI-Enabled, Costing Companies $6 Million on Average IBM and Red Hat Offer Lightwell at No Cost to Universities, NGOs and Think...
❓Mainframes at the Movies
With summer blockbuster season upon us, it’s time to turn our attention away from the workaday world of the datacenter to its fictional representation. Mainframes have made memorable appearances on both the big and small screen for decades—sometimes portrayed as...
Izzi Software Launches Z/XDC on Visual Studio Code to Speed Adoption and Boost Mainframe Debugging for the Future
New expansion to top debugging now available, integrating seamlessly into existing workflows and supporting young programmers by improving accessibility MINNEAPOLIS, August 3, 2026 — Izzi Software, owner of ColeSoft, the leading provider of debugging solutions for IBM...
What to Expect at SHARE Pittsburgh
With SHARE Pittsburgh approaching, SHARE President Art Gutowski joined Planet Mainframe to talk about what attendees can expect—and why the conference remains valuable for both newcomers and longtime mainframe professionals. Gutowski is nearing the end of his...