Introduction I frequently encounter curiosity among Linux administrators regarding what AIX administration looks like and how much it differs from what they already know. Most specialists are aware that Linux is derived…
Author: Michał Wiktorek
IBM PowerHA SystemMirror for AIX – Operational Basics
IBM PowerHA clusters are used where the high availability of business-critical applications and databases is paramount. Maintaining and configuring these clusters requires specialized knowledge, which is why working with them can be…
Learn for free – IBM courses
As is well known, the continuous improvement of one’s skills is the key to professional success. The specifics of the IT industry require constantly staying up-to-date with new technologies and unceasingly developing…
AIX and Memory – How much RAM do I have available?
Introduction Monitoring RAM usage is a key aspect of operating system administration, and the ability to properly interpret the results of system tools seems to be something every systems specialist should possess.…
Intruduction to AIX
In the world of technology, Unix systems are often perceived as complex, intended exclusively for a narrow group of specialists with advanced knowledge. IBM AIX, one of the most mature and stable…
Linux on Power and Simultaneous Multi-Threading
Do you know what thread settings can be configured on a system running on an IBM Power10 server? Check it out in the following article:https://www.linkedin.com/pulse/linux-power-smt-close-encounters-third-thread-michal-wiktorek-er85f
Linux on Power and SMT – Close Encounters of the Third Thread
This time, a less serious article, meant to be treated as a fun fact 😉 Every AIX administrator knows the available multithreading settings, which are: But how does this look in the…
Linux on Power: Penguin on Steroids – part1
What would Linux on steroids look like?Red Hat Enterprise Linux running with support for 8 threads per core on a Power10 processor, powered by PowerVM virtualization. I invite you to explore the…
IBM PowerHA SystemMirror – Introduction to ROHA
ROHA is a feature of PowerHA clusters that allows dynamic allocation and deallocation of resources to cluster nodes.More details in the following article: https://community.ibm.com/community/user/power/blogs/michal-wiktorek/2024/07/04/powerha-roha [PL] Link do polskiej wersji:https://www.linkedin.com/pulse/ibm-powerha-systemmirror-wprowadzenie-do-roha-michal-wiktorek-hz6bf
PowerVM Performance Monitoring – LPAR migration analysis
When managing a large Power server environment, situations may arise where LPARs need to be migrated between physical servers—for example, when a server requires maintenance.The Power platform allows seamless LPAR migration, but…