Resources Introduction to PowerHA Power high availability Read the documentation IBM PowerHA SystemMirror V7.2 for IBM AIX updates An IBM Redbooks publication View the resource IBM PowerHA SystemMirror for i: Preparation (volume 1 of 4) An IBM Redbooks publication View the resource Changing physical disk storage in IBM Db2 pureScale: A practical example An IBM Redbooks publication View the resource PowerHA SystemMirror for i documentation Knowledge center documentation Read the documentation IBM PowerHA SystemMirror V7.2 for AIX Data Sheet High availability designed for Power Systems. Read the data sheet (PDF, 3.2 MB) IBM PowerHA SystemMirror for i Around the clock availability with simplicity, automation and confidence. Read the data sheet (PDF, 2.3 MB) Expert resources to help you succeed Product documentation Find answers quickly in IBM product documentation. IBM Redbooks Complimentary, step-by-step guides for download and mobile.