IBM Introduces Hitachi-Specific z13

Remember when rumors were flying that Hitachi planned to buy the mainframe z Systems business from IBM?  DancingDinosaur didn’t believe it at that time, and now we have an official announcement that IBM is working with Hitachi to deliver mainframe z System hardware for use with Hitachi customers.

Inside the IBM z13

DancingDinosaur couldn’t see Hitachi buying the z. The overhead would be too great. IBM has been sinking hundreds of millions of dollars into the z, adding new capabilities ranging from Hadoop and Spark natively on z to whatever comes out of the Open Mainframe Project.

The new Hitachi deal takes the z in a completely different direction. The plans calls for using Hitachi’s operating system, VOS3, running on the latest IBM z13 hardware to provide Hitachi users with better performance while sustaining their previous investments in business-critical Hitachi data and software, as IBM noted. VOS3 started as a fork of MVS and has been repeatedly modified since.

According to IBM, Hitachi will exclusively adopt the IBM z Systems high-performance mainframe hardware technology as the only hardware for the next generation of Hitachi’s AP series. These systems primarily serve major organizations in Japan. This work expands Hitachi’s cooperation with IBM to make mainframe development more efficient through IBM’s global capabilities in developing and manufacturing mainframe systems. The Open Mainframe Project, BTW, is a Linux initiative.

The collaboration, noted IBM, reinforces its commitment to delivering new innovations in mainframe technology and fostering an open ecosystem for the mainframe to support a broad range of software and applications. IBM recently launched offerings for IBM z Systems that use the platform’s capabilities for speed, scale and security to deliver cloud-based blockchain services for building new transaction systems and machine learning for analyzing large amounts of data.

If you count VOS3, the mainframe now runs a variety of operating systems, including z/OS, z/TPF and z/VM operating systems as well as the Linux. Reportedly, Hitachi plans to integrate its new mainframe with its Lumada Internet of Things (IoT) offerings. With z scalability, security, massive I/O, and performance the z makes an ideal IoT platform, and IoT is a market IBM targets today. Now IBM is seeding a competitor with the z running whatever appealing capabilities Hitachi’s Lumada offers. Hope whatever revenue or royalties IBM gets is worth it.

IBM and Hitachi, as explained in the announcement, have a long history of cooperation and collaboration in enterprise computing technologies. Hitachi decided to expand this cooperation at this time to utilize IBM’s most advanced mainframe technologies. Hitachi will continue to provide its customers with a highly reliable, high-performance mainframe environment built around the Hitachi VOS3 operating system. Hitachi also continues to strengthen mainframe functionality and services which contributes to lower TCO, improved ease of system introduction and operation, and better serviceability.

Of course, the mainframe story is far from over. IBM has been hinting at a new mainframe coming later this year for months.  Since IBM stopped just automatically cranking up core processor speed to boost price/performance it will employ an array of assist processors and software optimizations to boost performance wherever it can, but particularly in the area of its current critical imperatives—security, cognitive computing, blockchain, and cloud. One thing DancingDinosaur doesn’t expect to see in the new z, however, will be cubits embedded, but who knows?

DancingDinosaur is Alan Radding, a veteran information technology analyst, writer, and ghost-writer. Please follow DancingDinosaur on Twitter, @mainframeblog. See more of his IT writing at and here.


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One Response to “IBM Introduces Hitachi-Specific z13”

  1. Steve Bartlett Says:

    You and IBM forgot z/VSE. Have you been briefed on z/Next yet?

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