The Mainframe Era In 1970 I joined a company, Databank Systems Ltd, that operated a national network of 6 computer centres, each containing a S360/40. In total this was less than 1/10,000th of the power of my current laptop, at a cost several thousand times...
No. But it has been a victim of friendly-fire. I’m not sure that there is a headline relating to IT and enterprise software more cliché than the one at the top of this article. Cringeworthy? Perhaps, particularly If you’re in your 4th decade in the mainframe and...
Introduction The z/OS Parallel Sysplex® technology provides a highly reliable, redundant, and robust environment by clustering together multiple z/OS systems with one or more coupling facilities to achieve near-continuous availability. However, simply running your...
Part 4 of 4: The Value and Future In Part 1 The Basics, Part 2 The Good and Part 3 The Bad, I’ve explained I did a proof of concept port of an Enterprise Application from Amazon Web Services on x86 to Linux on System z in 2017. The good news was I got to the point I...
Part 3 of 4: The Bad As I’ve explained in Part 1 Basics and Part 2 Good, I did a proof of concept port of an Enterprise Application from Amazon Web Services on x86 to Linux on System z in 2017. The good news was I got to the point I needed to, the bad news was it was...
Part 2 of 4: The Good I provided a simplistic overview of what I intended to port to Linux for System z in Part 1. The original application was built for x86 systems. As such, all binaries are built to run on x86 systems. The Docker containers that these applications...
Part 1 of 4: The Basics At the end of 2016 and lasting a few months into 2017, I completed a proof of concept port of a large Enterprise Application that had been running on the Amazon Web Service Cloud to Linux for System z. This was a Docker based application...
Hopefully all System z users are aware of the Monthly Licence Charge (MLC) pricing mechanisms, where a recurring charge applies each month. This charge includes product usage rights and IBM product support. If only it was that simple! We then encounter the...
Mobile computing has had a seismic impact on IT and the modern computing architecture—and it will continue into the foreseeable future. Mobile devices—smartphones and tablets—have overtaken traditional computing devices such as desktop and laptop computers in terms of...
Information Technology (IT) is rather young in human history. If you compare this sector with industry, IT is just at the beginning of its development. To illustrate this infancy, let’s consider the evolution of IT jobs. With the multiplication of tasks and jobs left...
