We know what COBOL stands for
Posted by Mike on Sunday, February 5, 2012 - 30 views
Linus Torvalds released Linux on 5 October 1991, and by 1998 IBM was experimenting with it. In 2000 it was properly available on mainframes – along with the specialty processor IFL (Integrated Facility for Linux). The rest, as they say, is history.
Posted by Trevor Eddolls on Sunday, December 11, 2011 - 294 views
There was a time when using the trace facility was really the final strategy. You’d perhaps have tried everything else to find what was going wrong first. And when nothing seemed to have worked, you’d equip yourself with all the necessary manuals – and that could be quite a few – and run the trace and start the hard job of interpreting the results. And then try to fix the problem. Those days are long gone thanks to more modern software tools, but, to many people, the memories linger on!
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Posted by Trevor Eddolls on Sunday, July 10, 2011 - 219 views
Sadly, as a title, it only works if you’re in the parts of the world where CICS is pronounced ‘kicks’ and where people play football (and getting the ball in the back of the net is very important!). But wherever you are, I want to talk about IBM’s transaction processing system whose full title is Customer Information Control System and which runs under z/OS and z/VSE.
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Posted by Trevor Eddolls on Saturday, July 2, 2011 - 214 views
So, your organization has a mainframe – had one for years – and everything is nicely locked down. You can recover almost up to the minute the system or subsystem crashed (which it hardly ever does), and you’ve got people who seem to know, almost by instinct these days, when something isn’t performing quite right.
Posted by Trevor Eddolls on Saturday, June 25, 2011 - 252 views
After years of sliding my security card in the lock and entering the machine room/data centre and seeing the mainframes in there change from Sci-Fi-style boxes with flashing lights to more mundane-looking boxes. From seeing simple DASD with less capacity than the memory stick in this laptop be replaced with cache controllers and more sophisticated data storage devices. It always seemed that there were plenty of mainframes around and any normal person (me) was constantly being offered tours round installations. So it comes as a bit of a shock when a youngster clearly has no idea what a mainframe looks like or what it does!
Posted by Trevor Eddolls on Tuesday, April 12, 2011 - 497 views
A few weeks ago I was talking about how William Data Systems had integrated their ZEN z/OS network management suite of products with iPhones and iPads and they’d also just included Blackberry and Android phones. I’d been particularly impressed how an iPad user had been able to identify where a problem was occurring and taken steps to rectify it. More recently, the iPad 2 has become available, and I thought it was definitely time to to investigate whether I ought to get myself a tablet device.
Posted by Trevor Eddolls on Sunday, February 27, 2011 - 1,020 views
I don’t know whether you’re going to be at the SHARE conference in Anaheim (California) from 27 February to 4 March, but one of the interesting things to see is the William Data Systems stand (booth 211).
They are showing how their ZEN z/OS network management suite of product integrates with popular smart phone technology – Apple, Blackberry, and Android. What you’ll see is ZEN monitoring z/OS networks and then reporting the results to a mobile device. The user can then evaluate what’s happening on the mainframe and take appropriate action immediately. As a consequence, z/OS support staff can get on with their lives and be out and about, but still be able to monitor their mainframes and react to alerts.
Posted by Mike on Sunday, February 13, 2011 - 457 views
Now I’m not here to tell you what software to buy and what to ignore, but if you haven’t had a look at IBM’s Transactional Analysis Workbench software yet, I think you should. It’s one of those pieces of software that kind of joins up the dots and allows you to see the bigger picture when you thought there was a performance problem. It can help identify performance issues in one subsystem – CICS, IMS, DB2, MQ, or even z/OS itself – when the symptoms of the problem are appearing in a completely different subsystem.
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