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
Today April 5th 2022 IBM announced the new generation of mainframe called IBM z16. Planned availability date is May 31, 2022. The system is a significant step forward from z15 with AI and compliance components as well as a restructuring … Read the rest
The Linux solution test team has created a good set of papers. This blog entry is the overview. For selected papers I’ll add and link more specialized posts. Latest papers will always been shown at the top.
… Read the rest
On November 9th 2021 Red Hat released RHEL 8.5 the fourth service pack for their leading Linux enterprise version. This is an intermediate release but it has a few interesting features, which may be the reason to upgrade to this … Read the rest
On June 21st 2021 SUSE announced SLES 15 SP3 the third service pack for SLES 15. This time no kernel upgrade but still quite a lot of new features for System Z after one year of development:
On May 18th 2021 Red Hat released RHEL 8.4 the fourth service pack for their leading enterprise version. This is a long term support version and therefore a good starting point for new projects as well as an upgrade target … Read the rest
Simultaneous Multithreading (SMT) has been introduced to improve the throughput per core. In system Z if only one thread is running, the performance is very close to this of a single thread environment. In your data center you have most … Read the rest
On October 29th, 2020 Red Hat announced RHEL 8.3 the third service pack for their leading enterprise version. As soon as your middleware and application are available for RHEL 8 please plan for migration from older releases.
The kernel level … Read the rest
On June 21st 2020 SUSE announced SLES15 SP2 the second service pack SLES 15. With it’s kernel upgrade it contains many new features for System Z:
On April 14th IBM announced the new z15 T02 the successor for the z14 ZR1. At the same time also the LinuxONE III LT2 the successor for the LinuxONE Rockhopper II was announced. Both machines are based on … Read the rest