Analog Circuit Design Volume Three

Chapter 252

Protecting and monitoring hot swappable cards in high availability systems

David Soo

Abstract

Protecting and monitoring hot swappable cards in high availability systems is discussed.

Keywords

Hot Swap controller

LTC4260

Introduction

Mission critical systems, such as those used by financial institutions and internet providers, require high availability computing equipment. These systems duplicate or make redundant certain functional blocks in the system. This allows the system to operate on the backup elements when blocks fail. High availability systems typically place these blocks into separate cards that can be swapped out if they fail or show signs of trouble. This requires sophisticated monitoring to determine when ...