Sun Cluster Overview for Solaris OS


SunTM Cluster Overview for Solaris OS introduces the Sun Cluster product by explaining the purpose of the product and the means by which Sun Cluster achieves this purpose. This book also explains key concepts for Sun Cluster. The information in this document enables you to become familiar with Sun Cluster features and functionality.

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 Concepts Guide for Solaris OS


Sun Cluster Overview for Solaris OS


Sun Java Enterprise System 2003Q4 Glossary

Hardware administration 

Sun Cluster Hardware Administration Manual for Solaris OS

Individual hardware administration guides 

Software installation 

Sun Cluster Software Installation Guide for Solaris OS

Data service administration 

Sun Cluster Data Service 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 

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.

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

To delete a file, type rm filename.


Book titles, new terms, or terms 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



 C shell promptmachine_name%
 C shell superuser promptmachine_name#
 Bourne shell and Korn shell prompt$
 Bourne shell and Korn shell superuser prompt#