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What is the full form of PFA?

Full form of PFA: Here, we are going to learn about the PFA, full form of PFA, overview, history, etc.
Submitted by Anushree Goswami, on November 29, 2019

PFA: Predictive Failure Analysis

PFA is an abbreviation of Predictive Failure Analysis. It is a technique of a mechanism of the computer that is used to predict impending failures of software or hardware components and taking charge by allowing a mechanism to evade or prevent failure cases. It was from the beginning that used a proprietary IBM technology for monitoring impending failure of future of hard disc drives.


In 1992, the term PFA and its technology are launched by IBM.

This technology is dependent on calculating and estimating various key frameworks of the drive units. The drive firmware compares the calculated and estimated frameworks in opposition to advance established thresholds and analyses the health status of the drive. If the drive emerges probably to fail shortly, then the notification is sent by the system to the disk controller.

Advantages of PFA

The prime disadvantages of the technology comprise,

  1. The binary conclusion: presence or absence of notification was the only standing perceptible to the host.
  2. Operating single direction transmissions: the notification is sent by drive firmware.

To structure the Self-Monitoring, Analysis, and Reporting Technology (SMART), the technology combined with IntelliSafe. Nevertheless, from a 1940 U.S. military technique, the fundamental proposition regulating PFA was obtained, called “Failure Modes and Effect Analysis (FMEA). It’s a proceeding that is chiefly aimed at examining failures that may happen in the considered possibilities in the following points,

  • In the blueprint of a product, the feasible defects
  • Imperfections of a facility provided; or
  • Defects in the procedure of production

Ahead of the end-user, the focus of the analysis is to predict all the possible elements that would cause to function or activate the approach of failure of the product. Like this, zero shortcomings or highest productivity can be achieved. The concept is to consider the approach of the design or procedure as something that is defective and for that reason bound to fail in one way or another.

In terms of keeping from happening or reduce in extent the consequences of probable shortcomings or disasters, the operation has been proven functional and effectual because the alleviating actions that were prepared technically or the fail-safe mechanisms that were installed had considerably enhanced.

Predictive failure analysis is accurately opposite of the predictive analysis method, for the reason that PFA examines the consequences by proceeding towards the issue with a contrary point of view. Where the unconcerned elements are bound to happen, the risk prevention plans of action policies are put in at the phases, instead of formulating or designing plans from the extremity of post-happening.

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