Here’s a practical approach to managing network configuration on IBM Power servers using Ansible and the ibm.power_hmc collection. Using a playbook as an example, I’ll show how to add a new VLAN…
aix
AIX – health check of NVME drives
Since the release of the Power9 servers, the new servers come with NVMe drives. Internal NVMe drives can be used to install VIOS. This raises the question of what condition the NVMe…
IBM Creates Great Technologies, But What Happened to Them?
Today, I found out that IBM engineers created and contributed to adding support for LXC containers to the Linux kernel – a technology that became the foundation of modern containerization. Sounds impressive,…
Error Analysis in AIX: Interpreting ERRPT Sense Data
In the AIX system, when an error occurs, information about it is logged in the error log. By reviewing the errors that have appeared in the system (errpt), we can read basic…
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…
Memory Optimization on IBM Power Servers
Power servers are multi-processor systems built on the NUMA (Non-Uniform Memory Access) architecture.In this architecture, each processor has a directly attached portion of RAM and can also access the entire server memory…
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
IBM PowerHA SystemMirror clusters – how to maintain and not go crazy – part2
PowerHA clusters (formerly HACMP) provide powerful capabilities for managing availability and failure recovery. Clusters serve as an effective tool for restoring system functionality and ensuring data consistency – however, improper use and…
AIX System – Unix in the Modern IT World
IBM AIX has gained worldwide recognition as a high-class enterprise operating system.How does this system fit into today’s IT landscape? Thoughts on this topic in the following article: https://www.linkedin.com/pulse/aix-system-unix-modern-world-michal-wiktorek-y0kqf [PL] Link do…
IBM PowerHA SystemMirror clusters – How to maintain and not go crazy – Part1
PowerHA clusters (formerly HACMP) offer extensive capabilities for managing availability and failure recovery. They serve as a powerful tool for restoring system operations and maintaining data integrity. However, improper use and lack…