Sun Cluster 3.1 10/03 Concepts Guide

Preface

Sun™ Cluster 3.1 Concepts Guide contains conceptual and reference information for the SunPlex™ system. The SunPlex system includes all hardware and software components that make up Sun's cluster solution.

This document is intended for experienced system administrators who are trained on Sun Cluster software. Do not use this document as a planning or presales guide. You should have already determined your system requirements and purchased the appropriate equipment and software before reading this document.

To understand the concepts described in this book, you should have knowledge of the Solaris™ operating environment and expertise with volume manager software used with the SunPlex system.

Typographic Conventions

The following table describes the typographic changes used in this book.

Table P-1 Typographic Conventions

Typeface or Symbol	Meaning	Example
`AaBbCc123`	The names of commands, files, and directories; on-screen computer output	Edit your `.login` file. Use `ls -a` to list all files. `machine_name% you have mail.`
`AaBbCc123`	What you type, contrasted with on-screen computer output	`machine_name%` `su` `Password:`
AaBbCc123	Command-line placeholder: replace with a real name or value	To delete a file, type `rm` filename.
AaBbCc123	Book titles, new words, or terms, or words to be emphasized.	Read Chapter 6 in User's Guide. These are called class options. You must be root to do this.

Shell Prompts in Command Examples

The following table shows the default system prompt and superuser prompt for the C shell, Bourne shell, and Korn shell.

Table P-2 Shell Prompts

Shell	Prompt
C shell prompt	`machine_name%`
C shell superuser prompt	`machine_name#`
Bourne shell and Korn shell prompt	`$`
Bourne shell and Korn shell superuser prompt	`#`

Accessing Sun Documentation Online

The docs.sun.com^SM Web site enables you to access Sun technical documentation online. You can browse the docs.sun.com archive or search for a specific book title or subject. The URL is http://docs.sun.com.

Ordering Sun Documentation

Sun Microsystems offers select product documentation in print. For a list of documents and how to order them, see "Buy printed documentation" at http://docs.sun.com.

Getting Help

If you have problems installing or using the SunPlex system, contact your service provider and provide the following information:

Your name and email address (if available)
Your company name, address, and phone number
The model and serial numbers of your systems
The release number of the operating environment (for example, Solaris 9)
The release number of the Sun Cluster software (for example, Sun Cluster 3.1)

Use the following commands to gather information about each node on your system for your service provider.

Command
Function

prtconf -v
Displays the size of the system memory and reports information about peripheral devices

psrinfo -v
Displays information about processors

showrev -p
Reports which patches are installed

prtdiag -v
Displays system diagnostic information

scinstall -pv
Displays Sun Cluster software release and package version information

scstat
Provides a snapshot of the cluster status

scconf -p
Lists cluster configuration information

scrgadm -p
Displays information on installed resources, resource groups, and resource types

Also have available the contents of the /var/adm/messages file.