In the dark, behind the headlines of death sentance after death sentance for the mainframe, companies like IBM, HP and Unisys has been working on bringing the mainframe back on the market. We all know that mainframes are huge, power hungry, complex and most of all OLD, but that’s not true. Mainframes are 1500 virtual servers in the same space where you can fit three racks with 126 1U servers, unless you get heat problems. Reduced heat means less cooling for the same amount of servers in the datacenter and together with a focus on power saving mainframes becomes the ultimate choice when it comes to green computing.

Some of the features IBM has been focusing on is new technologies for partitioning, virtualization and smart solutions for load balancing inside the mainframe. Most companies that are already using mainframe invest in more mainframes and are consolidating their linux systems inside the mainframe. IBM mainframes seems to get their way back to the market with a growth of mainframes world wide with 30.7%, and the lastest model IBM System Z10, released in the begining of this year, has led to a growth of mainframes in Europe with  58%.

With all due respect, mainframes are stable and just as made for cloud computing, but who’s going to operate them? The amount of System Administrators that are familiar with mainframes and applications running on them is barely enough for what’s needed at this point. Same story goes for System Developers that are familiar with languages like Cobol and RPG. My hope is that this lack of competence won’t impede use of mainframes and that more people will see their possibilities for virtualization and cloud computing.

I already have one IBM AS/400 with the 48-bits CISC-processor from 1993 running OS/400 V3R5 that was given to me in 2004 from a company where my dad was working at the time, my most greatful thanks to them. Now I look forward to combine the knowledge I’ve gathered from working with both Linux and IBM hardware to take the next step and learn how to virtualize Linux on IBM midrange and/or mainframe with the POWER processor architecture.

There are a lot of old Sun machines out there in the server parks that need to be switched out in the near future. According to Boyle CTO at the consulting company Sine Nomine Associate in Ashburn many companies are looking into IBM’s mainframe computers, but they don’t want to retrain all of their IT personnel to administrate an all new environment. Boyle also says he knows about 30-40 companies that are awaiting this solution to be finished and certified.

For IBM this is a great opportunity to save and rebuild the market for mainframe computers. Sun has been going strong on marketing Solaris on other platforms than their own lately. Sun’s last business settlement in favor of Solaris on other platforms was with Dell that now provides Dell PowerEdge servers with Solaris.

Source: http://www.idg.se/2.1085/1.133639 (swedish)

Instead all the discussions are about that Lenovo released two of their laptop modells from the IBM ThinkPad-series with SUSE Linux Enterprise Desktop pre-installed on the Swedish market and that HP and other computer manufactures are planning on releasing some of their models with Linux pre-installed. Two months into 2008 two huge companies bought three important and significant open source projects. Of course am I thinking about that Sun bought MySQL and VirtualBox, and that Nokia bought Trolltech including the copyright for QT.

The fact that huge companies has begun to buy open source projects is absolutely positive in my point of view and I’m not worried that these projects will be closed source or difficult to access in other ways like many others do. The companies are not going to close the source of further releases since the open source community is the worlds greatest test department free of charges. To release a product as open source for people and small businesses to download and use free of charge results in that they report bugs and literally test your product for you. When this product is considered stable the manufacturer package the product together with administration tools, security updates and patches, documentation and support to an enterprise product for companies that need these kinds of guarantees.

The benefits of big IT companies buying and developing open source softwares is that the development becomes more stable and organized since a company has to deliver a product to survive. These big IT companies also guarantees that the product is working together with different hardware and software that a non-profit open source project got a hard time to provide to the customer. The fact that big IT companies is buying open source projects makes them competitive on the market for software which will contribute to more companies taking the step to open source solutions.

Open source is also a great marketing strategy, to give your customer access to the product before it’s all done gives the customers the possibility to have all the internal testing done when the finished enterprise version of the product hits the market and the implementation can be done instantly. For all technicians that work with these products open source gives them the opportunity to run exactly the same software at home without expensive licensing models and the fact that they’re able to influence the development of the product they use.

The companies has finally accepted the challenge of open source! 2008 will certainly be an interesting year in open source history.

For all of IBM’s customers that already invested millions of dollars into mainframe computers this is good news since they can reuse their hardware when building a more standardized server environment. For new customers this opens new possibilities to virtualize Linux servers and all the benefits that comes with using stable and redundant mainframe computers for virtualization. The different modells of IBM System z can run from eight to 1500 virtual Linux servers which means there is a size of IBM System z for everyone. Other benefits from virtualize Linux servers on your company IBM System z is that you can use all of the administration tools your staff is used to.

IBM is working together with RedHat on developing an edition for IBM System z since before.

Source: http://www.idg.se/2.1085/1.143428 (swedish)