IBM predictive failure analysis
This chapter describes the IBM predictive failure analysis (PFA) enhancements in z/OS V2R2 and includes the following topics:
4.1 PFA overview
Software detected system failures are categorized into one of the following types:
•Masked failures: These failures are software detected system failures, which are detected and corrected by the software component.
•Hard failures: This failure occurs when the software fails completely; for example, when ...