Law Brakers According to Wikipedia (Moore's law), Intel co-founder Gordon Moore introduced his eponymous law in a 1965 paper that described a doubling every year in the number of components per integrated circuit. By 1975, he had already adjusted that downwards to...
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...
Working on a political campaign back in the day, I consistently found myself assigned to the phone banks. I would manually dial constituents who had voted in a specific way in the past, identify myself as a volunteer for the candidate that matched their preferences,...
Or: We need to talk about mainframe hacking There’s an elephant in the room says Mark Wilson. It’s mainframe-sized, at serious risk of being hacked, and its name is Z. “The only thing we have to fear is fear itself.” That was US president Franklin D. Roosevelt at his...
What is mainframe modernization? Well, a lot of vendors will tell you that it is the replacement of some, or all of your mainframe infrastructure, which is old and costly to run (or so they will tell you), with commodity servers (and their software and services), that...
So you are now working on the mainframe platform. You wanted to keep up with the latest and greatest or you just wanted to get to know a topic or feature associated with the mainframe. Either you just started your job in a mainframe shop or you are an experienced...
To be honest, mainframes are pretty secure, aren’t they? We’ve had RACF and other External Security Managers (ESMs) for years. On top of that, the new z14 gives us pervasive encryption. And there are any number of logs recording what’s going on on Z, and we can run...
“Quick! Abandon the mainframe. …Oh, and by the way, buy a bunch of our platforms and services for millions of dollars!” —Distributed systems manufacturers Craig Mullins did quite an insightful piece a while back about the state of things in the mainframe world...
April 2018 marked the 54th anniversary of IBM’s mainframes. It is uncertain if anyone could have ever predicted such a long and successful life for them. A quick historical sketch: IBM launched the first modern mainframe, IBM 360, on April 7, 1964. With 229,000...
Today’s modern data centers are composed of many different systems that works both independently and in conjunction with one another to deliver business services. The hardware, software, network resources, and services required for the operation and management of an...
