Archive for the 'mainframe' Category

Local StorageTek Legacy

May 2016

When I first moved to Colorado, I was fascinated and amused, sometimes twice per day on the school run, I’d pass Tape and Disk(or was it disc?) Dr. The roads led to nothing. and empty site, full of scrub grass and weeds. I’d always assumed it was a failed tax break development scheme. This seemed particularly likely as there is a large multi-property multi-family housing development across the street.

I was surprised recently on a Wednesday morning ride when one of the guys I was riding with declared he used to work at StorageTek there. I was fascinated. Although I remember IBM had a plant here that developed laser printers, but I knew that location was sold to Lexmark.

Rather than the roads leading to an undeveloped location, the location had at one time been a thriving location. Some poking around on the Denver Business Journal website revealed the story, and google maps had some pictures of the site in better days and from I36 you can even see some of the buildings. The picture below is a 2008 aerial picture of the site. Disk Dr is the road onto the site in the upper right, and Tape Dr on the lower right.StorageTek

From the Denver Business Journal

Asides from questions about the future of the site, the only real question is when did the site transfer between Louisville and Broomfield cities, see pictures above.

Mainframe Assembler Language 2.0

Those that still follow my blog from my days working in the IBM mainframe arena might be interested in the following.

One of the stalwarts of software at IBM, and self described grand poobar of High Level Assembler, John R. Ehrman has a 1300-page 2.0 version of his book “Assembler Language Programming for IBM System z™ Servers ” and it’s available in PDF form here. There are a wealth of other assembler resources that John has contributed here on ibm.com

(My) Influential Women in Tech

Taking some time out of work in the technical, software, computer industry has been really helpful to give my brain time to sift through the required, the necessary, the nice, and the pointless things that I’ve been involved in over 41-years in technology.

international-womens-day-logo1[1]Given that today is International Women’s Day 2016 and numerous tweets have flown by celebrating women, and given the people I follow, many women in Technology. I thought I’d take a minute to note some of the great women in Tech I had the opportunity to work with.

I was fortunate in that I spent much of my career at IBM. There is no doubt that IBM was a progressive employer on all fronts, women, minorities, the physically challenged, and that continues today with their unrelenting endorsement of the LGBT community. I never personally met or worked with current IBM CEO, Ginni Rometty, she like many that I did have the opportunity to work with, started out in Systems Engineering and moved into management. Those that I worked with included Barbara McDuffie, Leslie Wilkes, Linda Sanford and many others.

Among those in management at IBM that were most influential, Anona Amis at IBM UK. Anona was my manager in 1989-1990, at a time when I was frustrated and lacking direction after joining IBM two years earlier, with high hopes of doing important things. Anona, in the period of a year, taught me both how to value my contributions, but also how to make more valuable contributions. She was one of what I grew to learn, was the backbone of IBM, professional managers.

My four women of tech, may at sometime or other, have been managers. That though wasn’t why I was inspired by them.

Susan Malika: Sue, I met Sue initially through the CICS Product group, when we were first looking at ways to interface a web server to the CICS Transaction Monitor. Sue and the team already had a prototype connector implemented as a CGI. Over the coming years, I was influenced by Sue in a number of fields, especially in data interchange and her work on XML. Sue is still active in tech.

Peggy Zagelow: I’d always been pretty dismissive of databases, apart from a brief period with SQL/DS; I’d always managed fine without one. Early on in the days of evangelizing Java, I was routed to the IBM Santa Teresa lab, on an ad hoc query from Peggy about using Java as a procedures language for DB2. Her enthusiasm, and dogma about the structured, relational database; as well as her ability to code eloquently in Assembler was an inspiration. We later wrote a paper together, still available online[here]. Peggy is also still active in the tech sector at IBM.

Donna Dillenberger: Sometime in 1999, Donna and the then President of the IBM Academy of Technology, Ian Brackenbury, came to the IBM Bedfont office to discuss some ideas I had on making the Java Virtual Machine viable on large scale mainframe servers. Donna, translated a group of unconnected ideas and concepts I sketched out on a white board, into the “Scalable JVM”. The evolution of the JVM was a key stepping stone in the IBM evolution of Java. I’m pleased to see Donna was appointed an IBM Fellow in 2015. The paper on the JVM is here.(1).

Gerry Hackett: Finally, but most importantly, Geraldine aka Gerry Hackett. Gerry and I  met when she was a first line development manager in the IBM Virtual Machine development laboratory in Endicott New York, sometime around 1985. While Gerry would normally fall in the category of management, she is most steadfastly still an amazing technologist. Some years later I had the [dubious] pleasure of “flipping slides” for her as Gerry presented IBM Strategy. Aside: “Todays generation will never understand the tension between a speaker and a slide turner.” Today, Gerry is a Vice President at Dell. She recruited me to work at Dell in 2009, and under her leadership the firmware and embedded management team have made steady progress, and implemented some great ideas. Gerry has been a longtime advocate for women in technology, a career mentor, and a fantastic roll model.

Importantly, what all these women demonstrated, by the “bucketload”, was quiet, technological confidence; the ability to see, deliver and celebrate great ideas and great people. They were quiet unlike their male peers, not in achievement, but in approach. This why we need more women in technology, not because they are women, but because technical companies, and their products will not be as good without them.

(1). Edited to link to correct Dillenberger et al paper.

Back to the future

This week Dell announced 3x major acquisitions, Wyse, Clerity Solutions, and Make Technologies. These acquisitions, once complete, will offer an awesome combination to move apps and customers to the cloud.

  • Wyse provides application virtualization capability which in essence will allow PC based applications to run as terminals in the cloud, accessing them via thin clients, increasingly mobile devices like tablets.
  • Clerity delivers application modernization and re-hosting solutions and services. Clerity’s capabilities will enable Dell Services to help customers reduce the cost of transitioning business-critical applications and data from legacy computing systems and onto more modern architectures, including the cloud.
  • Make Technologies brings application modernization software and services that reduce the cost, risk and time required to re-engineer applications, helping companies modernize their applications portfolios so they can reduce legacy infrastructure operating costs. These applications run most effectively on open, standardized platforms including the cloud.

A great set of solutions to let organizations looking to really get  their older apps into a modern execution and device environment. Exciting times for the Dell team supporting these customers.

This very much reminds me of 14-15 years ago and a whole slew of projects where we were trying to drive similar modernization into applications. IBM Network Station was about to be launched; we had a useful first release of the CICS Transcation Gateway and their was a great start at integrating Java with COBOL based applications and some fledgling work on extending the COBOL language to support object oriented principles. My poster session at the IBM Academy of Technology was on legacy modernization. In those days it was obvious that customers needed tools to help them get from where they’d been to where they would be going.

Enough never really got there, the financial case wasn’t often enough. However, given the performance, scalability and reliability of today’s x86/x64 systems, the lack of progress and demand for change have passed compelling, it’s essential.

VM Master Class

As is the way, the older you get the more entangled your life becomes. My ex-Wife, Wendy Cathcart, nee Foster, died of cancer recently, such a waste, a fantastic, vibrant woman and great Mother to our children. After the funeral the kids were saying how they’d hardly got any video of her. I had on my shelf, unwatched for probably 10-years or more a stack of VCR tapes. I’d meant to do something with them, but never got around to it.

I put the tapes into Expressions in video here in Austin, they were ever so helpful and were able to go from UK PAL format VCR tapes to DVD, to MPEG-4. Two of the tapes contained the summary videos from the 1992 and 1993, IBM VM Master Class conferences. And, here’s were the entanglement comes in. Wendy never much got involved in my work, we went on many business trips together, one of the most memorable was driving from North London to Cannes in the South of France. I had a number of presentations to give, and the first one was after lunch on Monday, the first day. I went to do registration and other related stuff Monday morning. I came back to the room to get the car keys and go and collect my overhead transparencies and handout copies from the car. Unfortunately for me, Wendy had set off in the car with a number of the other wives to go visit Nice, France and my slides and handouts were in the trunk/boot. D’oh.

Unlike this week where my twitter stream has been tweet bombed by #VMWorld, back in the 1980’s there were almost no VM conferences. IBM had held a couple of internal conferences, and the SHARE User group in the USA had a very active virtual machine group, there really wasn’t anything in Europe except 1-day user group meetings. My UK VM User Group, had been inspirational for me and I wanted to give something back and give other virtual machine systems programmers and administrators and chance to get together over an extended period, talk with each other, learn about the latest technologies and hear from some of the masters in the field.

And so it was that I worked through 1990 and 1991 with Paul Maceke to plan, and deliver the first ever VM Master Class. We held it at an IBM Education facility, La Hulpe, which was in a forest outside of Brussels, Belgium. As I recall, we had people met at the airport and bused them in in Sunday and the conference ran through Friday lunchtime, when we bused them back to the airport. Everything was done on site, meals, classes and hotel rooms. Back in the 1970’s and 1980’s in was required for computer systems to be represented by something iconic, for VM it was the bear. You can read why and almost everything else about the history of VM here on Melinda Varians web page, heck you can even get kindle format version of the history.

So, when it came to the Master Class we needed a bear related logo. Thats where Wendy came in. She drew the “graduate bear”, for which Paul got not only included in the folders, but also metal pins, what a star. Come the 1993 VM Master Class, Wendy did the artwork for the VM Bear and it’s Client/Server Cousin sitting on top of the world and as I remember, this time Paul actually got real soft toy bears. Thanks for all the great memories Wendy, the videos on youtube also remind me of many great people from the community, who came you name? Please feel free to add with comments here to avoid the Youtube comment minefield.

I’ll start with Dick Newson, and John Hartman, couldn’t be two different people, both totally innovative, great software developers and designers.

Hot News: Paint drys

I’m guessing I’m not so different from most people, the first time someone explains groundhog day, you laugh, but don’t believe what you are seeing. It’s kinda “n’ah, your kidding right!” but some take it seriously.

The same for the pronouncement that IBM makes regularly about server migrations to the Power Systems platforms and mainframes, you take a step back and say seriously, you are kidding, you are taking this seriously?

And that was my reaction when I saw this weeks piece from Timothy Prickett Morgan at The Register aka Vulcher central under the tagline “IBM gloats over HP, Oracle takeouts” – really, seriously, you are kidding right? Prickett Morgan covers IBM’s most recent claims that they migrated “286 customers, 182 were using Oracle (formerly Sun Microsystems) servers and 95 were using machines from Hewlett-Packard” Unix to IBMs AIX.

What surprises me is not that IBM made the claims, hey paint drys, but Prickette Morgan felt it worth writing up(The Register, tag line “Biting the Hand that feeds IT”), really, seriously?

AIX and Power Systems are great, it’s just not newsworthy at those minuscule rates compared to the inexorable rise of the x86 architecture in both private and cloud data centers, it really won’t be long before IBM can no longer afford to design and manufacture those systems. And there’s the clue to the migrations.

You stick your neck and go with Sun, now Oracle, or HP Unix systems, it’s a battle but either genuinely believe you were right, or you were just hoodwinked or cajoled into doing it for one reason or another. So, now they are both in terminal declines, whats a Data Center manager to do? Yep, the easiest thing is to claim you were right with the platform, and by doing so were part of a movement that forced IBM to lower it’s prices, and now the right thing to do is migrate to IBM as they have the best Unix solution. Phew thats alright, no one noticed and everyone goes on collecting their paychecks.

Prickett Morgan ends by wondering “why Oracle, HP, and Fujitsu don’t hit back every time IBM opens its mouth with takeout figures of their own to show they are getting traction against Big Blue with their iron.” – because frankly, no one cares except IBM. Everyone else is too busy building resilient, innovative, and cost effective solutions based on x86 Linux, either in their own data center, or in the “cloud”.

Deviation: The new old

104 modules in a Doepher A-100PMD12 double case sitting on top of the A-100PMB case

Deadmau5 Analalog Modular setup

IBM 360/40 at Attwood Statistics

IBM 360/40 at Attwood Statistics

Anyone that knows me, knows that I’ve retained a high level of interest in dance music. I guess it stems from growing up in and around London in the early 70’s and the emergence of  funk, and especially Jazz Funk, especially through some of the new music put together by people like Johnny Hammond(Los Conquistadors Chocolate), Idris Muhammed(Could Heaven Ever Be Like This) which remain to this day two of my all time favorite tracks, along with many from Quincy Jones.

Later, my interest was retained by the further exploitation of electronics as disco became the plat de jour and although I, like most others became disenchanted once it became metronomic and formulaic, I’m convinced that the style, type and beat of music you like and listen to create pathways in your brain to activate feelings.

As so it was that with time, and energy on my hands over the past few years I’ve re-engaged with dance music. Mostly because I like it, it activates those pathways in my mind that release feel good endorphins, I enjoy the freedom of the dance.

I’ve been to some great live performances, Tiesto and Gareth Emery especially down in San Antonio and Houston, and anyone who thinks these guys are just DJ’s, playing other peoples music through a computer or off CD’s is just missing the point.

However, one electronic music producer more than any other has really piqued my interest, Deadmau5, aka Joel Zimmerman from Toronto. I first saw Deadmau5 during South by South West (SXSW) in 2008, when Joel played at the now defunct Sky Lounge on Congress Ave. The club was small enough that you could actually stand at the side of the stage and see what he was doing, it was a fascinating insight. [In this video on YouTube, one of many from that night, not only can you see Joel “producing” music, but if you stop the video on the right frame at 16-seconds, you can see me in the audience! Who knew…]

I saw him again in March 2009 at Bar Rio in Houston. This time I had clear line of sight to what he was doing from the VIP balcony. It was fascinating, I actually saw and heard him make mistakes, not significant mistakes but ones that proved he was actually making live music. [You can read my review from the time here including links to YouTube videos.] It turns out he was something he was using during that Houston concert was either a prototype or something similar to a monome.

Joel regularly posts and runs live video streams from his home studio, and recently posted this video of his latest analog modular system. It and some of the other videos are a great insight into how dance music producers work. Watching this, this morning, I was struck with the similarities to the IBM 360/40 mainframe which was the first computer I worked on, especially I can remember the first time I was shown by an IBM Hardware Engineer, who might have been Paul Badger or Geoff Chapman, how the system worked. How to put it into instruction step, how to display the value of registers and so on. I felt the same way watching the Deadmau5 video, I got to get me some playtime with one of these.

And yes, the guy in the picture above is me and the 360/40. It was taken in probably the spring of 1976 I’d guess, at Attwood Statistics in Berkhampstead, Herts. UK.

The power and capacity of the IBM 36/40 are easily exceeded by handheld devices such as the Dell Streak. Meanwhile, it’s clear that some music producers are headed in the opposite direction, moving from digital software to analog hardware. The new old.


About & Contact

I'm Mark Cathcart, formaly a Senior Distinguished Engineer, in Dells Software Group; before that Director of Systems Engineering in the Enterprise Solutions Group at Dell. Prior to that, I was IBM Distinguished Engineer and member of the IBM Academy of Technology. I'm an information technology optimist.

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