Sun Cluster Concepts Guide for Solaris OS


SunTM Cluster Concepts Guide for Solaris OS contains conceptual and reference information for the SunPlexTM system on both SPARC® and x86 based systems.

Note –

In this document, the term “x86” refers to the Intel 32-bit family of microprocessor chips and compatible microprocessor chips made by AMD.

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 SolarisTM Operating System and expertise with volume manager software used with the Sun Cluster system.

Note –

Sun Cluster software runs on two platforms, SPARC and x86. The information in this document pertains to both platforms unless otherwise specified in a special chapter, section, note, bulleted item, figure, table, or example.

Typographic Conventions

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

Table P–1 Typographic Conventions

Typeface or Symbol 




The names of commands, files, and directories, and onscreen computer output 

Edit your .login file.

Use ls -a to list all files.

machine_name% you have mail.


What you type, contrasted with onscreen computer output 

machine_name% su



Command-line placeholder: replace with a real name or value 

The command to remove a file is rm filename.


Book titles, new terms, and terms to be emphasized 

Read Chapter 6 in the User's Guide.

Perform a patch analysis.

Do not save the file.

[Note that some emphasized items appear bold online.] 

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



C shell prompt 


C shell superuser prompt 


Bourne shell and Korn shell prompt 


Bourne shell and Korn shell superuser prompt 


Related Documentation

Information about related Sun Cluster topics is available in the documentation that is listed in the following table. All Sun Cluster documentation is available at




Sun Cluster Overview for Solaris OS


Sun Cluster Concepts Guide for Solaris OS

Hardware installation and administration 

Sun Cluster 3.0-3.1 Hardware Administration Manual for Solaris OS

Individual hardware administration guides 

Software installation 

Sun Cluster Software Installation Guide for Solaris OS

Data service installation and administration 

Sun Cluster Data Services Planning and Administration Guide for Solaris OS

Individual data service guides 

Data service development 

Sun Cluster Data Services Developer’s Guide for Solaris OS

System administration 

Sun Cluster System Administration Guide for Solaris OS

Error messages 

Sun Cluster Error Messages Guide for Solaris OS

Command and function references 

Sun Cluster Reference Manual for Solaris OS

For a complete list of Sun Cluster documentation, see the release notes for your release of Sun Cluster software at

Accessing Sun Documentation Online

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

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

Getting Help

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

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



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 

SPARC: prtdiag -v

Displays system diagnostic information 

scinstall -pv

Displays Sun Cluster software release and package version information 


Provides a snapshot of the cluster status 

scconf -p

Lists cluster configuration information 

scrgadm -p

Displays information about installed resources, resource groups, and resource types 

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

Product Training

Sun Microsystems offers training in many Sun technologies through a variety of instructor-led courses and self-paced courses. For information about the training courses that Sun offers and to enroll in a class, visit Sun Microsystems Training at