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The Art and Science of Performance: Firmware, History and More

Mark J. Ray

October 18, 2017

Performance tuning is the greatest art in computer management. How to get peak performance out of your existing AIX systems. Part 1 of 4.

Articles

Use z/OS Resources and Tools for Data Protection

Patrick Fitzsimmons

October 2, 2017

The IBM z/OS* platform, with its unmatched reliability, availability and serviceability, outstanding I/O bandwidth and secure environment, provides an excellent platform for data protection. This is especially true if that client data already is on the mainframe, as the features of this hardware and software platform promote reliable and scalable data protection. If your organization […]

Articles

Future of Testing

Joseph Gulla

September 25, 2017

This is the last post in this series on enterprise testing. The focus has been on both system and application programmers in an enterprise systems setting. The first post described enterprise testing and explained the many challenges that programmers experienced 40 years ago in deploying defect free software. The next two posts discussed system programmers […]

Articles

Promoting IBM i—TCO, TCA, Reliability and Strategy

Steve Will

September 20, 2017

How to promote the value of IBM i through TCO, TCA, reliability and strategy.

Articles

Evil Twins: 10 Network Tunables Every Admin Must Understand

Mark J. Ray

September 20, 2017

Setting network tunables incorrectly on AIX systems is a very common problem. Nearly every tunable, be it CPU, memory, networking or storage, affects others to some degree.

Articles

Focus on Application Testing

Joseph Gulla

September 18, 2017

This is the third post in this series on system and application testing on enterprise systems. In this post, I discuss the daunting job of being a mainframe application programmer and how he or she goes about testing. The testing scope can cover everything from deployment of a new release of ISV software to a […]

Articles

System Programmers and System Testing Challenges

Joseph Gulla

September 11, 2017

What is the role of a mainframe system programmer, and how do they go about testing and covering everything from a major OS release to a specific software product?

Articles

Monitoring and Administration Needed for CICS Effectiveness

Jim Schesvold

September 1, 2017

This article focuses on CICS performance across all platforms. On the mainframe CICS is known as CICS Transaction Server (TS), but on other platforms the product is named TXSeries, and for special functions, CICS Transaction Gateway. All products are developed and supported by CICS development, and are designed to interact with each other via facilities […]

Articles

IBM Uses Low-Cost Sensors to Help Address Climate Change Issues

Jim Utsler

September 1, 2017

Natural gas is considered by many to be a cleaner energy source. The downside to natural gas is the methane that is a primary component. If it leaks into the air—estimates suggest approximately 1-2 percent leakage is common at production sites—it absorbs the sun’s heat and warms the Earth’s atmosphere. Methane is estimated to be […]

Articles

CICS Tools Identify Performance Issues

Jim Schesvold

August 1, 2017

This article focuses on CICS performance. On the mainframe CICS is known as CICS Transaction Server (TS), but on other platforms the product is named TXSeries, and for special functions, CICS Transaction Gateway. All products are developed and supported by CICS development, and are designed to interact with each other via facilities such as CICS […]

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