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 of understanding can lead to unforeseen consequences.
I invite you to read the first part of the article on maintaining PowerHA clusters:
https://www.linkedin.com/pulse/ibm-powerha-systemmirror-clusters-how-maintain-without-wiktorek-ivvfc
[PL] Link do polskiej wersji: