The CPU Measurement Facility (CPUMF) provides hardware data to operating systems running in a LPAR on IBM zSystems. Besides trouble shooting it can also be used for long term analysis.
Before you can collect data, you need to allow … Read the rest
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
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