Preface

Sun Fire V20z and Sun Fire V40z Servers Troubleshooting Techniques and Diagnostics Guide

The Sun Fire V20z and Sun Fire V40z Servers--Troubleshooting Techniques and Diagnostics Guide provides information about and solutions for system problems that customers might encounter. It includes instructions for use of the diagnostics tests and detailed explanations of all system events. This document is written for technicians, system administrators, authorized service providers (ASPs), and users who have advanced experience troubleshooting and replacing hardware.

Before You Read This Document

Some troubleshooting procedures require the removal and replacement of system components. Therefore, it is important that you review the safety guidelines and component removal and replacement procedures in these documents:

Using UNIX Commands

This document might not contain information about basic UNIX^® commands and procedures such as shutting down the system, booting the system, and configuring devices. Refer to the following for this information:

Typographic Conventions

Typeface`^[1]`	Meaning	Examples
`AaBbCc123`	The names of commands, files, and directories; on-screen computer output	Edit your`.login` file. Use `ls` `-a` to list all files. `% You have mail`.
`AaBbCc123`	What you type, when contrasted with on-screen computer output	`%` `su` `Password:`
AaBbCc123	Book titles, new words or terms, words to be emphasized. Replace command-line variables with real names or values.	Read Chapter 6 in the User's Guide. These are called class options. You must be superuser to do this. To delete a file, type `rm` filename.

Typeface^[1]

Meaning

Examples

AaBbCc123

The names of commands, files, and directories; on-screen computer output

Edit your.login file.

Use ls -a to list all files.

% You have mail.

AaBbCc123

What you type, when contrasted with on-screen computer output

% su

Password:

AaBbCc123

Book titles, new words or terms, words to be emphasized. Replace command-line variables with real names or values.

Read Chapter 6 in the User's Guide.

These are called class options.

You must be superuser to do this.

To delete a file, type rm filename.

Application	Title	Part Number
Safety information	Important Safety Information for Sun Hardware Systems	816-7190-xx
Safety notices and international compliance certification statements	Sun Fire V20z and Sun Fire V40z Servers--Safety and Compliance Guide	817-5251-xx
Hardware and system software installation	Sun Fire V20z and Sun Fire V40z Servers-- Installation Guide	817-5246-xx
Maintenance procedures and other information	Sun Fire V20z and Sun Fire V40z Servers--User Guide	817-5248-xx
Operating-system installation	Sun Fire V20z and Sun Fire V40z Servers--Linux Operating System Installation Guide	817-5250-xx
Troubleshooting and diagnostics	Sun Fire V20z and Sun Fire V40z Servers-- Troubleshooting Techniques and Diagnositcs Guide	817-7184-xx
Late-breaking information	Sun Fire V20z and Sun Fire V40z Servers Release Notes	817-1771-xx
Comparison of server models	Differences Between Versions of the Sun Fire V20z and Sun Fire V4z Servers	817-7185-xx

Sun Function	URL	Description
Documentation	`http://www.sun.com/documentation/`	Download PDF and HTML documents, and order printed documents
Support and Training	`http://www.sun.com/supportraining/`	Obtain technical support, download patches, and learn about Sun courses

Before You Read This Document

Using UNIX Commands

Typographic Conventions

Related Documentation

Documentation, Support, and Training

Third-Party Web Sites

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