Sun Logo


Netra 440 Server System Administration Guide

817-3884-11



Contents

Figures

Tables

Contents

Figures

Tables

Preface

1. Configuring the System Console

Communicating With the System

What the System Console Does

Using the System Console

About the sc> Prompt

Access Through Multiple Controller Sessions

Reaching the sc> Prompt

OpenBoot ok Prompt

Reaching the ok Prompt

For More Information

Getting to the ok Prompt

Switching Between the ALOM System Controller and the System Console

Accessing the System Controller

Using the Serial Management Port

Activating the Network Management Port

Accessing the System Console Through a Terminal Server

Accessing the System Console Through a TIP Connection

Modifying the /etc/remote File

Accessing the System Console Through an Alphanumeric Terminal

Verifying Serial Port Settings on TTYB

Accessing the System Console Through a Local Graphics Monitor

System Console OpenBoot Configuration Variable Settings

2. Managing RAS Features and System Firmware

ALOM System Controller

Logging In To the ALOM System Controller

About the scadm Utility

Controlling the Locator LED

OpenBoot Emergency Procedures

OpenBoot Emergency Procedures for Systems With Non-USB Keyboards

OpenBoot Emergency Procedures for Systems With USB Keyboards

Automatic System Recovery

Auto-Boot Options

Error Handling Summary

Reset Scenarios

Automatic System Recovery User Commands

Enabling and Disabling Automatic System Recovery

Obtaining Automatic System Recovery Information

Unconfiguring and Reconfiguring Devices

Enabling the Hardware Watchdog Mechanism and Its Options

Multipathing Software

For More Information

3. Managing Disk Volumes

Disk Volumes

Volume Management Software

VERITAS Dynamic Multipathing

Sun StorEdge Traffic Manager

For More Information

RAID Technology

Disk Concatenation

RAID 0: Disk Striping

RAID 1: Disk Mirroring

RAID 5: Disk Striping With Parity

Hot-Spares

Hardware Disk Mirroring

Physical Disk Slot Numbers, Physical Device Names, and Logical Device Names

A. OpenBoot Configuration Variables

B. Alarm Relay Output Application Programming Interface

Index