Preface

About this guide

This document describes how to boot and operate the diagnostics available for Network Appliance� storage appliances.

Audience

This guide is for qualified system administrators and service personnel who are familiar with Network Appliance storage appliances. The procedures in this guide describe replacement, upgrade, and maintenance tasks for personnel with the following skills and experience:

Working familiarity with small computer system hardware and operation
Basic understanding of common networking concepts and practices
Working familiarity with accepted tools and procedures for installing and operating sensitive electronic equipment

Command conventions

You can enter storage appliance commands on the system console or from any client that can obtain access to the storage appliance using Telnet. This guide uses the command syntax and output of SunOS 4.1x in examples of commands run on a UNIX workstation. If you use a different version of UNIX, the command syntax and output might be different.

Formatting conventions

The following table lists different character formats used in this guide to offset special information.

Formatting convention	Type of information
Italic type	Words or characters that require special attention. Placeholders for information you must supply. For example, if the guide requires you to enter the fctest adaptername command, you enter the characters "fctest" followed by the actual name of the adapter. Man page names. Book titles in cross-references.
Monospaced font	Command and daemon names. Information displayed on the system console or other computer monitors. Contents of files.
Bold monospaced font	Words or characters you type. What you type is always shown in lowercase letters, unless your program is case-sensitive and uppercase letters are necessary for it to work properly.

Keyboard conventions

This guide uses capitalization and some abbreviations to refer to the keys on the keyboard. The keys on your keyboard might not be labeled exactly as they are in this guide.

What is in this guide...	What it means...
hyphen (-)	Used to separate individual keys. For example Ctrl-D means holding down the Ctrl key while pressing the D key.
Enter	Used to refer to the key that generates a carriage return, although the key is named Return on some keyboards.
type	Used to mean pressing one or more keys on the keyboard.
enter	Used to mean pressing one or more keys and then pressing the Enter key.

Special messages

This guide contains special messages that are described as follows:

Note
A note contains important information that helps you install or operate the system efficiently.

Caution
A caution contains instructions that you must follow to avoid damage to the equipment, a system crash, or loss of data.

WARNING
A warning contains instructions that you must follow to avoid personal injury.

Release history

For release information and history, see the NOW Web site at http://now.netapp.com.