Performance & Tuning Month
Inside Db2 for z/OS: How Optimized B+ Trees Power High-Speed Indexing
High-quality indexes are critical for fast data access and returns. IBM Db2 for z/OS relies on an advanced data structure called the Optimized Balanced Plus Tree to power high-speed indexing. This structure, an evolution of the classic B+ Tree, helps Db2 deliver...
The Race to Cool the World’s Data
“Managing heat generated by data centers will become progressively more challenging – and, at the same time, necessary.” Chris Frye, Director of Chiller Sales, LG Electronics U.S.A. Inc. According to McKinley, global demand for data center capacity could rise between...
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Latest
Introducing Cyber Security Month
We trust you've appreciated our September series, centered around Db2. Over the past few weeks, we've had the pleasure of sharing over 10 fresh, original Db2 articles with our dedicated audience. Today, we are thrilled to introduce an engaging new theme for...
Make Security Your Competitive Advantage
“If you spend more on coffee than on IT security, you will be hacked.” That was according to Richard Clarke, former special advisor on cybersecurity to the US President. He added, “What’s more, you deserve to be hacked,” which does seem a little harsh. Maybe...
Securing CICS with RACF
Implementing CICS Security with RACF can be a complex and demanding process. In order to do it to a level that creates a good balance can take time and requires good knowledge and understanding of both CICS and RACF. So I will explain the various steps in securing...
Why you need to protect your business with IBM Z Cyber Vault
It seems like every week there is a new story of a major company or organization being affected by a cyber-attack. It might be a ransomware attack, stolen user data, or other disruption to services, and may be initiated either by an external attack or internal...
Best Practices for Closing the Mainframe Security Gap
You could argue – as some folks have – that mainframes are inherently more secure than commodity servers because there are fewer variables at play on mainframe systems, making them easier to secure in some ways. The fact that mainframes account for a relatively small...
Fix the roof when the sun is shining: Data Loss Prevention
It’s high time we acknowledged that mainframe data loss is far more than a security problem. It’s fundamentally a business problem. As the old saying goes, prevention is better than cure. This applies to data loss and cyber attacks as much as anything else in life. If...
Db2 for z/OS: SEPARATE_SECURITY and SECADM
In the Db2 for z/OS module called DSNZPARM (ZPARM, for short), which provides the configuration settings for a Db2 subsystem, there is a parameter named SEPARATE_SECURITY. This ZPARM was introduced with Db2 10, and its purpose is to enable a Db2 for z/OS-using...
Quantum Safe Cryptography Overview
Quantum Safe Cryptography The Problem – Current Cryptography is Vulnerable to Quantum Computing Cryptography experts believe that by 2030 quantum computers will be advanced enough to cut the strength of symmetric key algorithms (such as AES, 3DES and RC4) by half, and...
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Upcoming Events
Events
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Virtual IMS User Group: Modernizing IMS Backup and Recovery – The Strategic Shift to Cloud Storage
Zoom - Virtual Meeting📅 July 14, 2026 🕦 11:30 AM ET As enterprise data volumes continue to grow and cyber threats become increasingly sophisticated, organizations are rethinking how IMS backup and recovery environments […]
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Virtual Db2 User Group | Mastering Access Path Management in Db2 for z/OS – Simplify, Optimize, Succeed
Zoom - Virtual MeetingThis session explores strategies for simplifying and optimizing access path management in Db2 for z/OS environments. Attendees will gain insight into techniques for improving query performance, reducing operational complexity, and […]
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Accelerating Mainframe Efficiency: Training and Onboarding Webinar
FeaturedReady to transform your mainframe training strategy? Join the second installment of the PopUp Mainframe Persona Webinar series for a dynamic exploration of cutting-edge mainframe training, featuring renowned industry experts […]
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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 […]
❓Linux: Tux in the Data Center
Our quiz today focuses on Linux, which Linus Torvalds originally created in the early 90s for x86 desktop hardware—about as far from a mainframe as you can get. But its life on mainframes has proved remarkably powerful. Through the mid-to-late 90s, Linux gradually...
NEWS – AI to Mainframe Modernization, Shaping the Future of Enterprise Computing, and more
U.S. Public Sector Applies AI to Mainframe Modernization IBM Announces Strategic Collaboration with Arm to Shape the Future of Enterprise Computing 21CS Establishes Strategic Partnership with Interskill Learning IBM Expands FedRAMP Portfolio with Authorization of 11...
❓ Influential Mainframer Trivia: Eleanor Kolchin
For the month of April, Planet Mainframe puts the spotlight on influential mainframers, and this week our trivia quiz is all about mainframe trailblazer Eleanor Kolchin. Kolchin built her career at a pivotal moment in computing, when computing machines were...
NEWS – Introducing IBM’s New SQL Tool, Virtel 4.64 now Available, and more
Bringing AI to Mainframe Data: Introducing IBM SQL Data Insights Pro Virtel 4.64 Now Available: Stronger Session Security, Enhanced Japanese Codepage Support, and Key Usability Improvements BMC Advances Trusted AI Orchestration With New Control-M Kyndryl awarded a...
❓Influential Mainframer Trivia: Bob Evans
At Planet Mainframe, April is dedicated to honoring influential mainframers past and present. This week’s quiz dives into the life and times of Bob Evans (1927–2004), who played a central role in shaping modern enterprise computing during his career at IBM. ...
NEWS – Kyndryl Readiness Report, Precisely and Matillion Partnership, and more
Kyndryl Readiness Report reveals misalignment between infrastructure investment and preparedness for converging modernization demands Precisely and Matillion Partner to Accelerate Data Modernization and Agentic AI Readiness IBM Completes Acquisition of Confluent,...