Latest Entries

Dennis Wunder has been with IBM for 29 years and has expertise in many areas, including z/OS, Linux, IBM middleware, networking, virtualization and desktop operating systems. He has architected several workshops to introduce IBM’s clients and business partners to IBM’s new technologies. He’s currently an executive IT specialist with the Executive Briefing Center in Poughkeepsie, NY, where annually he interacts with hundreds of IBM’s customers to explain the business value of new technologies in an easy to understand, common sense manner. He frequently speaks at IBM events all over the world. In this interview, Dennis provides insight on how he encourages IT executives to consider the merits of System z for addressing their organization’s challenges…

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With Web-enabled applications and constant demands for availability, it’s more important than ever to rely on intelligent, automated software solutions to manage DB2 performance, administration, and recovery operations. DB2 for z/OS professionals have so many things to deal with—ever-expanding quantities of data, new releases of DB2 from IBM, higher transaction volume, and fewer experts in the field. To make things even more interesting, IT budgets are shrinking and many shops are shrinking through attrition. So how can the mainframe DB2 professional ensure that DB2 is available and performing optimally? Adding more staff is generally not possible. Automated solutions that provide intelligence advice on maintenance and tuning may be just what the mainframe DB2 professional needs…

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Workload Manager: Common Myths

This article examines some common myths and rules of thumb regarding Workload Manager (WLM) and assesses their relevance and rationale. First, a note regarding terminology: WLM manages work based on service class periods, of which some service classes may have only one or may have multiple periods. This article refers to service classes to avoid the awkwardness of referring to “service class periods” in every instance. Service classes need to be considered from the perspective of periods, when multiples exist, rather than the service class only…

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Today’s business managers go to battle needing as much armor and competitive weaponry as the knights of old. But instead of horses and a lance, they have email, software applications, mobile devices, and access to vast reserves of data. As the enterprise’s modern-day armor-bearer, IT must be able to cost-effectively fulfill requests for hardware, software and services and efficiently manage these assets and the services, that support them. For this reason, the service catalog is a strategic management tool—and a best practice—that helps IT deliver benefits far beyond simply fulfilling user requests…

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Identity management was to be the next big thing in the security market. Many large security technology vendors developed comprehensive identity management solutions with a vast armory of marketing literature, demonstrating ROI with glittering arrays of business benefits. However, over the last year, an icy frost has settled. Rumors of failing are widespread—failing to deliver business value, or not applying to real-life business problems. For instance, one identity management project failed in a most spectacular fashion, burning through more than $20 million, resulting in widespread turmoil and career terminations…

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Storage & Energy: The Heat Is On!

Another 100-degree day in Boulder, CO made my topic easy to choose—heat and energy consumption. Electricity is mission-critical to most businesses, and without it, there’s no IT industry. Heat is the enemy of electronic technology, especially computers. Events of the past few years have brought increasing levels of attention to electricity as the lifeline for the IT sector. As a result, a growing wave of “green computing initiatives” have appeared in the IT industry. The faster micro-processors become, the more heat they generate and the more cooling they require. The faster a disk spins, the more energy and cooling it requires. The same is true for tape drives and other motor-powered devices. Today, servers account for approximately 40 percent of a data center’s overall power consumption, and storage takes just over 35 percent, on average. Network switching gear, servers, blades, and disk drives are the largest IT electricity consumers and have been getting considerable attention lately…

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IT Sense: Lost in Translation

With most of my six kids back in school, my role as homework consultant is again in full swing. The grade schoolers come to me with lists of vocabulary words to define, memorize, practice spelling, and use correctly in sentences. Meanwhile, my college-age kids call to discuss the finer points of abstract concepts…

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Software from Microsoft is the largest carrier of digital disease (i.e., viruses, worms, and other malicious software) on the planet. Despite decades of rewrites, overhauls and security patches, Microsoft has yet to provide adequate security and error recovery frameworks within its operating system code base. The shameful reality of Bill Gates’ legacy is that he has overseen the creation of a software world where the rogue rules…

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