Installing an HSZ70 Array Controller

This document, EK–70CTL–IN. A01, details the procedures for replacing HSZ70 Array Controllers. It covers:

• VHDCI Cable Precautions: Essential guidelines for handling high-density connectors, including cleaning, mating, and testing procedures.
• Dual-Redundant Configuration Procedures: Step-by-step instructions for removing and installing a controller when the system is in a redundant pair, utilizing the FRUTIL utility.
• Single Configuration Procedures: Step-by-step instructions for replacing a controller in a single configuration using the FMU utility to manage failure codes and subsystem state.

The guide emphasizes the importance of utilizing specific software commands (e.g., SET NOFAILOVER, RUN FRUTIL, SHUTDOWN THIS_CONTROLLER) to safely prepare the system for hardware replacement and re-integrate the new controller.