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Recent Articles
A Special IBM Z Day, AI-Powered Advancements, and an Upcoming TechXchange Webinar
IBM Z Day: Special Edition IBM Z Day: Special Edition is a free 1-day enterprise computing virtual conference for anyone and everyone! Hear the latest about IBM Z and join the lineup of global thought leaders who will highlight industry trends and innovation spanning...
What’s Really Happening in Mainframe Workforce and Training Right Now?
After perusing blogs, surveys, and insights - and attending SHARE- DC, it’s clear that several big trends are emerging about what’s shaping mainframe careers and training. Here's what’s standing out—and why it matters right now. 1. Hands-On Learning Is the New...
Mainframe News Out There
As you know, we like to pick blog articles from other sources that we feel are interesting enough to talk about on the Planet Mainframe blog. Here are this month’s picks: Quantum Secured Cryptography A great article worth spotlighting by Planet Mainframe friend Allan...
What Should a Modern Db2 for z/OS Client-Server Application Environment Look Like?
The distributed data facility (aka DDF) is the component of Db2 for z/OS that enables data access by applications that connect to Db2 via TCP/IP communication links. DDF has been around for over 30 years, but especially during the past 10 years or so DDF workloads...
Writing IMS Applications Using PL/I and Java Interoperability
Modernizing IMS applications sometimes means rewriting entire COBOL or PL/I programs in Java™. But another popular approach is to use Java when adding or modifying subroutines in existing PL/I applications. We can do this because IMS supports PL/I to...
Retaining Your IBM Z Mainframe Workforce in the Great Resignation!
IBM Z mainframes are the core computing platforms of 92 of the world’s top 100 banks, 10 of the top 10 insurers, 18 of the top 25 retailers, 70% of the Fortune 500 and much of the world’s healthcare, finance, utilities, and governments. These ultimate data servers...
Planet Db2 merges with Planet Mainframe
Planet Mainframe, one of the largest IBM mainframe community presences on the Internet has merged with the popular PlanetDb2 blog—one of the longest-running blogs focused specifically on IBM’s Db2 database. In joining forces, Planet Mainframe will officially become...
Db2 for z/OS: The Online Path from a Partition-by-Growth Table Space to Partition-by-Range
Last month, I posted to this blog an entry on the long-awaited capability to migrate tables, in an online way, from a multi-table segmented or simple table space to multiple single-table partition-by-growth table spaces (a capability delivered with function level 508...
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Upcoming Events
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Virtual CICS User Group | The IT Stairway to Heaven. CICS Testing Pyramid: From Unit to Integration to Production-Like Environment
Zoom - Virtual MeetingEffective testing is essential for building robust systems. Dive deep into a structured approach to the testing pyramid for CICS applications. Using Test4z, we will demonstrate how unit tests form […]
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Virtual Db2 User Group | January 20, 2026
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Virtual IMS User Group | February 10, 2026
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Virtual CICS User Group | March 17, 2026
Zoom - Virtual Meeting
Mainframe Trailblazer Trivia
This month at Planet Mainframe the focus is on Talent and Training, so here at Trivia Challenge we’re going to test your knowledge of a few mainframe trailblazers. The first person we’re looking at is the formidable Rear Admiral Grace Hopper. Born in 1906, Hopper’s...
Mainframe News to Close Out the Year
Broadcom Completes Acquisition of VMware, Moves to Subscription Model Having completed its acquisition of VMware, Inc, Broadcom Inc., a provider of semiconductor and infrastructure software solutions, is moving forward with plans to enable enterprise customers to...
Evolution of the Mainframe
In 2023, the mainframe is the central technology of the biggest businesses on earth, but they also have a long and storied history. They’ve been around long enough, in fact, to have had a cameo appearance in the show Mad Men (shout out to the IBM/360). But...
Mainframe News This Month
VirtualZ Computing Raises $4.9 Million to Enable Enterprise Innovation With Mainframe Data VirtualZ Computing, the only woman-founded mainframe company, has announced $2.2 million in seed financing, bringing the total capital raised to $4.9 million. The capital...
Where do you fit on the scale of novice to expert?
How well do you know mainframes? Here is a quick test to gauge where you fit on the scale of novice to expert when it comes to knowing your mainframe trivia. Give it your best shot.
Navigating AI and More
IBM Unveils watsonx.governance to Help Businesses Navigate AI Enterprises use AI to solve problems, but businesses are also finding that AI has ushered in a whole new murky world of risks. IBM has announced that watsonx.governance will be released in early December to...