This edition is based on IBM Z System Automation 4.2 and on IBM Z System Automation 4.3 with APAR level OA65642.
The document is intended for system and database administrators who need to plan, set up, operate, and maintain SAP on IBM Z systems that must offer the highest level of availability. This covers Db2 Database Administrators, SAP Basis and System Administrators, people responsible for SAP System Configuration, SAP Consultants, SAP Project Infrastructure Team Members, Technology Consultants, FTSSs, and IT Architects.
Please find Edition 2025 on IBM Documentation under Business Continuity for SAP on IBM Z. You may also download the associated PDF from there.