If you are managing an IBM Power Systems environment, knowing how to is a foundational skill. AIX (Advanced Interactive eXecutive) remains a cornerstone for enterprise-grade UNIX performance, and version 7.2 introduced critical enhancements in virtualization and availability.
Boot your LPAR and press 1 when the icons appear to enter the SMS menu.
Run ulimit -f unlimited to ensure the system can handle the large file size. Create a Mount Point: mkdir /iso_mount .
Because AIX is a proprietary operating system, it is not available via public mirrors. You must use official IBM portals.
A full AIX 7.2 installation set usually consists of two ISO images (Volume 1 and Volume 2), totaling approximately 8–10 GB.
Choose "Start Install Now with Default Settings" for a fresh overwrite, or select "Change/Show Installation Settings" to customize the target disk and filesystem size. 5. Summary of AIX Versions
Installing from your downloaded ISO usually involves the System Management Services (SMS) menu on your Power hardware or HMC (Hardware Management Console).
Use the loopmount command: loopmount -i aix72_v1.iso -o "-V cdrfs -o ro" -m /iso_mount 4. Step-by-Step Installation Overview
While AIX 7.2 is highly stable, IBM has released newer versions that may be more appropriate for modern Power10 hardware. Release/Status EOSL April 2021 Older legacy support AIX 7.2 Active/Extended Solid for Power7/8/9 AIX 7.3 Latest (TL4) Best for Power10; EOSL Sept 2026 AIX Installation Quick Start Guide - Version 7.1 - IBM
This is the primary portal for customers with active software maintenance agreements (SWMA). You can log in to IBM ESS to view your software entitlements and download the AIX 7.2 installation media.
