Find information, blog posts, and useful resources for running your SAP system on the IBM operating system AIX.
You want to avoid costly SAP downtimes when updating your AIX server to newer technology levels or service packs? Check out the White Paper from IBM which validated the AIX Live Update capability in an SAP landscape. Version 1.1 adds recommendations for large SAP systems.
Link to White PaperSAP Note 2977742
An update to the well-known Best Practices guide has been published by IBM. This version concentrates purely on SAP on AIX and contains up-to-date information about how to optimally utilize and configure AIX and PowerVM for SAP.
Link to IBM Whitepaper
With IBM AIX 7.2 TL 2, the AIX operating system supports the new communication protocol solution SMC-R. This IBM white paper demonstrates and summarizes the benefits of using SMC-R in a distributed SAP on AIX environment.
Link to IBM White Paper
Check out this IBM Redbook for the latest features of the AIX operating system, including those that became available recently with AIX 7.2 Technology Level 4.
Link to IBM Redbook
With the release of S/4HANA 2021, the Application Server on AIX with kernel 7.85 has also become available. While it was possible to operate the 7.81 kernel on AIX 7.1 under certain conditions (SAP Note 2947755), the kernel 7.85 requires at least AIX 7.2 TL4 SP1 and a C/C++ runtime level of 16.1.0.7 or higher (SAP Note 1780629).
2947755 - IBM AIX requirements for SAP Kernel 7.811780629 - AIX: Minimal OS Requirements for SAP Kernel
AIX 7.2 Technology Level 5 is available and supported for SAP. For announcement and summary of capabilities see:
IBM AIX 7.2 with Technology Level 5 Release Notes
The AIX operating system now supports Server Message Block (SMB) client version 3.0.2. The major enhancement compared to client version 2.1 is the capability to use end-to-end encryption. The new client is available through AIX Web Download Pack Programs and the AIX expansion pack for AIX 7.2 and 7.1.
Server Message Block (SMB) client file systemAIX CIFS (SMB1) mount feature no longer supported on AIX 7.2
Running out of virtual memory on your SAP application server is something you definitely want to avoid. Check out this new SAP note which contains valuable hints and tips and best practices how to accomplish this. Learn about the SAP Host Agent metric OS.PercentPSBelowSigdanger which allows you to set an alert before your application server runs into problems.
SAP Note 2630086 - Avoid signal 33, out of memory on AIX