With the z15 the CPU in System Z has gotten the ability to compress data into the zlib format really fast. The feature is officially called Integrated Accelerator for zEnterprise Data Compression (zEDC). This is know as zlib acceleration. Of … Read the rest
Today September 12th 2019 IBM announced the new generation of mainframe called IBM z15. Planned availability date is September 23, 2019. And of course they also announced LinuxONE III. Like the z14 ZR1 this machine now also fits into a … Read the rest
One of the FAQs that I get is: where can I get access to Linux on Z? Depending on what you want to do, there are several options:
With the publication of the Spectre and Meltdown vulnerabilities last year the new class of hardware security threads has been discovered. Everyone needs to protect against them. For Linux and System Z the most important best practice is to stay … Read the rest
IBM has announced the new z14 ZR1 / LinuxONE Rockhopper II on April 10, 2018. The key new feature for me of this box is the form factor. Instead of the decades old 24″ rack a standard 19″ rack is … Read the rest
You might have heard IBM talking about “pervasive encryption”. In this post we take a look at what’s behind this. With every encryption scheme there is the problem of access to the keys. … Read the rest
Today July 17th 2017 IBM announced the new mainframe called IBM z14. Planned availability date is September 13, 2017.
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| IBM z14 glass model |
From a Linux perspective the IBM tested platforms has been updated to include z14. The following minimum … Read the rest
In January 2015 IBM announced the new version of the mainframe called z13. As of March 9th 2015 the successor of the zEC12 is officially available.
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| z13 glas model – photo Michael Storzer |
This machine has many new features … Read the rest
The latest version of the Principles of Operations (PoP – z/Architecture Principles of Operation SA22-7832-12) which includes all the new z15 instructions is now available. Be aware that this is a real large pdf!
I’ve been asked multiple times … Read the rest
