Easy access to IBM Z information with IBM Doc Buddy

IBM Doc Buddy enables you to search error messages of IBM Z software products in both the online or offline environment on your mobile device – it can be a perfect replacement for LookAt, a z/OS message tool for which support is no longer available. Doc Buddy is available in both Apple App Store and Google Play.

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blockchain and the mainframe

LinuxONE Emperor II–the Linux Mainframe

The latest in the LinuxOne lineup is the LinuxONE Emperor II, introduced this past summer. It is built on the z14 and it runs a dedicated, optimized version of open Linux. It can do everything you can do with a native (x86) Linux system and more. You can run Docker containers to your heart’s content. Spin up dozens, hundreds, even thousands of Hadoop instances if you want massively scaled out Hadoop analysis. You can run it with Spark for cognitive analytics.

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If it isn’t broken…

(Legacy systems – their role – their future.)

I used to run a company which specialized in providing so-called Direct Market Access (DMA) to suitably authorized Buy-Side firms – as well as to many firms on the Sell-Side.  Many of these firms (particularly the High Frequency Trading variety) would each generate transactions at a rate of some 30,000 messages per second.

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Smartphone Apps

8 Mainframe Mobile Apps that every mainframe professional should know

Yes, we have smartphone apps related to the mainframe.  Don’t be surprised.  Mainframes are not the old dusty computers that some folks go on about – you know; the ages-old dinosaurs that occupy entire rooms, use card punch input, and require bits and bytes programming.  Mainframe technology has come a long way in terms of modernization.  They are now the size of your typical refrigerator, super-fast , running top industries critical data  day in and day out.

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GDPR and what it means to you

(What will be the impact in the mainframe datacenter?)

GDPR changes the rules

The EU will be introducing the General Data Protection Regulation (GDPR) in May of this year – it is the most important change in data privacy regulation in 20 years.  GDPR replaces the European Data Protection Directive 95/46/EC and was designed to harmonize data privacy laws across Europe. It is meant to protect the privacy of all EU citizens, and to reshape the way organizations across the EU manage the data of private citizens. The new regulations improve on the inconsistent data protection laws currently existing in the EU and ensure the secure, free-flow of data.

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Getting the basics right

Mainframes are expensive – no-one disagrees with that. But what they can do is run industrial strength workloads for less than it would cost on other platforms with much less likelihood of any kind of system malfunction. Having said that, it makes sense to understand mainframe performance and ways that those costs could be reduced.

Let’s start by looking at performance and performance management. Here are some of the metrics used by performance-monitoring tools (also see Does Your Mainframe Need an Oil Change):

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An article, “Meltdown and Spectre and the Mainframe”, was posted here January 5th by Keith Allingham, stating some information regarding the Meltdown and Spectre flaws and their relevance to the mainframe. The article contained information could not be guaranteed 100% accurate. We hereby sincerely apologize for any inconvenience this may have caused.  We have done our best efforts to post this correction as soon as possible.

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Blockchain Challenges

Blockchain: Challenges, opportunities, and a car in every driveway

When the automobile replaced the horse and carriage, it was just considered to be a faster horse.

What you might ask, does this have to do with blockchain and its challenges and opportunities? Let’s begin by considering the challenges and opportunities presented by the automobile when the first person stepped into the first car.

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Machine Learning

Bringing Machine Learning to Big Iron

In today’s data driven economies there is evermore pressure to drive financial returns and payback for IT investments, increasing the need for IT organizations to deliver both analytics and digital transformation with practical and meaningful business outcomes.

The need for instant services has increased exponentially due to ’consumer driven’ services such as Application Stores, Digital Music, Social Media, E-commerce, FinTech and even IoT. This consumerization of technology drives innovation within the enterprise to reach user expectations but the challenge, as always, is doing this in a highly available and secure manner.

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Don’t Believe the Myth-information about the Mainframe: Part 3

In this series, Janet Sun explores and dispels numerous myths around the mainframe. Continued from Part 1 and Part 2.

What Do You Lose by Moving Off the Mainframe?


Typically, distributed servers support a single application workload.  How many business applications does a typical company run?  Inventory control, order entry, accounts payable, accounts receivable, HR, shipping, business intelligence, research and development (multiple projects).  How many servers would be necessary to support these applications?

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