Latest Entries

Computing At The High End of The High End

Paul Mercurio, Mobil Travel Guide, Park Ridge, IL, will probably be the first CIO on his block to move to the IBM z990, the new high end of IBM’s biggest mainframe line. And, if everything works as expected, Mercurio and his customers, the travelers who pound away on the company’s Website, won’t notice a thing. “I guess it gives us more headroom than we could ever anticipate,” he notes…

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Making changes to database structures can be one of the biggest causes of database downtime. Many of the most common changes require DBAs to create convoluted scripts that capture DDL from the system catalog, unload data, DROP objects, and then re-CREATE the objects with the desired changes. Such changes can be tedious and error-prone, unless you are using a software tool to manage the process…

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With a 40 MIPS minimum entry-point, the 64-bit world provided by IBM’s zSeries processors is beyond the reach of most small VM and VSE enterprises, as well as z/OS developers. Pentium-based z/Architecture emulation addresses this gap and provides a lowcost, 64-bit solution for small environments. This article provides an overview of the FLEX-ES emulator architecture from Fundamental Software and discusses my company’s systems programming, performance, and compatibility experiences with FLEX-ES on a zDev server as part of IBM’s PartnerWorld for Developers (PWD) program.

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CICz: Enhancements You May Not Have Noticed

Is your site in the process of installing, or planning to install, CICS TS 2.2 but you are still running CICS TS 1.3? Well, this version contains several enhancements that were delivered since your site originally installed CICS TS 1.3. If your site is planning to run a great deal of business on 1.3 for a while, or if you’re interested in the new features since 2.2 was originally announced, here are some changes that have been delivered via the service process.

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z/Bottom Line: An “Old” Problem

Who would have thought that mainframe computers would stay active longer than their caregivers? Throughout the past 15 years, there has been an all-out assault on the viability of mainframe computing vs. network, nee client/server, nee LAN-based computing. Pitched on a myriad of IT panaceas, customers were told to move off the mainframe or face business death, or at least embarrassment at parties. “Can you believe it? Steve said they’re still using the (hand over mouth) mainframe in their shop!” It’s been well-chronicled in this column and others that mainframe computing continues to prove its worth on a variety of fronts despite the predictions. But there is a much larger problem looming that presents the greatest threat of all…

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