We know what COBOL stands for
Posted by Trevor Eddolls on Monday, December 19, 2011 - 267 views
Well, as another year comes partying to an end, and everyone stops checking their e-mails on their smartphones or tablets and finally starts to let their hair down and enjoy a glass of something alcoholic, I thought I’d review the year through the lens of my company – iTech-Ed Ltd (www.itech-ed.com).
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Posted by Trevor Eddolls on Wednesday, November 23, 2011 - 249 views
Zero downtime is a goal that many companies are striving for. It sounds so straighforward, and yet it’s not that simple to achieve – especially when it involves the continuous availability of large, high-volume databases. One of the inherent problems is that data replication for high-availability is filled with many nuances that need to be addressed for a successful deployment, including maintaining sub-second latency, active/active considerations, scalability options, conflict detection/resolution, recovery, exception processing, and verifying that the source/target are synchronized properly.
Posted by Trevor Eddolls on Saturday, November 5, 2011 - 327 views
I could only make Day 1 of this year’s Guide Share Europe conference on the 1st and 2nd of November – which was a huge disappointment. For those of you who weren’t there, I thought I’d give you a flavour of my experience.
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Posted by Trevor Eddolls on Saturday, October 22, 2011 - 250 views
The Guide Share Europe (GSE) UK Annual Conference is taking place on 1-2 November at Whittlebury Hall, Whittlebury, Near Towcester, Northamptonshire NN12 8QH, UK.
Sponsors this year include IBM, Computacentre, EMC, Attachmate, Suse, CA, Novell, Compuware, Intellimagic, RSM Partners, Velocity Software, and Zephyr. And there will be 30 vendors in the associated exhibition.
Posted by Trevor Eddolls on Monday, August 29, 2011 - 360 views
I blogged about IBM’s IMS (Information Management System) at the end of July, saying that it has been around since 1968 and originated as a bill-of-materials program for NASA’s Apollo programme. I said that IMS effectively comes in two parts – there’s the Transaction Manager (TM) part and the Data Base (DB) part. I talked about different types of database, and I mentioned the Virtual IMS user group at www.fundi.com/virtualims.
Today I want to pose the questions: how much does an IMS development/test system cost? And how many development test systems does a site typically have installed?
Posted by Trevor Eddolls on Sunday, July 24, 2011 - 273 views
IBM’s IMS (Information Management System) has been around since 1968 and originated as a bill-of-materials program for NASA’s Apollo programme. So why are so many Fortune 500 companies still using it today? Isn’t it “your dad’s technology” and completely inadequate for today’s tasks? Well, the answer is a resounding NO!
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!
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