About This Manual

This manual provides a concise summary of the features available in the TruCluster^TM Server Version 5.0A product.

Note

The information in this manual does not supersede that found in the TruCluster Server Software Product Description, which is the definitive legal description of this product. Please check that document for the latest product information.

Audience

This manual is for anyone who is interested in a descriptive overview of the TruCluster Server features and functions.

Organization

This manual contains the following nine chapters and a glossary:

Chapter 1	Provides an introduction to TruCluster Server.
Chapter 2	Describes the clusterwide file systems, context-dependent symbolic links (CDSLs), storage, and device-naming conventions.
Chapter 3	Introduces the connection manager and its role in forming and maintaining a cluster.
Chapter 4	Defines the three basic types of highly available applications in a cluster: single-instance, multi-instance, and distributed.
Chapter 5	Provides an overview of the cluster application availability (CAA) subsystem, which provides clusterwide management for single-instance applications.
Chapter 6	Provides an overview of the cluster alias subsystem, which makes the cluster look like a single system to the TCP and UDP applications.
Chapter 7	Describes the Memory Channel interconnect, which provides a high-speed connection among all cluster members.
Chapter 8	Describes the distributed lock manager (DLM), which provides specialized functions that allow cooperating processes in a cluster to synchronize access to a shared resource.
Chapter 9	Provides an overview of cluster installation and administration.
Glossary	Defines common terms used throughout the TruCluster Server documentation.

Related Documents

The following documents and manuals provide detailed information about the TruCluster Server product:

TruCluster Server Software Product Description (SPD) -- The legal description of the TruCluster Server Version 5.0A product. You can find the latest version of the SPD and other TruCluster Server documentation at the following URL:
```
http://www.unix.digital.com/faqs/publications/pub_page/cluster_list.html
 
```

TruCluster Server Release Notes -- Provides a brief introduction to TruCluster Server and describes known problems and workarounds.

TruCluster Server Hardware Configuration -- Describes how to set up the systems that will become cluster members, and how to configure cluster shared storage.

TruCluster Server Software Installation -- Describes how to install the TruCluster Server software.

TruCluster Server Highly Available Applications -- Describes how to deploy existing applications in a TruCluster Server cluster and how to write cluster-aware applications.

TruCluster Server Cluster Administration -- Describes cluster-specific administration tasks.

Reader's Comments

Compaq welcomes any comments and suggestions you have on this and other Tru64 UNIX manuals.

You can send your comments in the following ways:

Fax: 603-884-0120 Attn: UBPG Publications, ZKO3-3/Y32

Internet electronic mail: readers_comment@zk3.dec.com
A Reader's Comment form is located on your system in the following location:
```
/usr/doc/readers_comment.txt
```

Mail:
Compaq Computer Corporation
UBPG Publications Manager
ZKO3-3/Y32
110 Spit Brook Road
Nashua, NH 03062-2698

A Reader's Comment form is located in the back of each printed manual. The form is postage paid if you mail it in the United States.

Please include the following information along with your comments:

The full title of the book and the order number. (The order number is printed on the title page of this book and on its back cover.)

The section numbers and page numbers of the information on which you are commenting.

The version of Tru64 UNIX that you are using.

If known, the type of processor that is running the Tru64 UNIX software.

The Tru64 UNIX Publications group cannot respond to system problems or technical support inquiries. Please address technical questions to your local system vendor or to the appropriate Compaq technical support office. Information provided with the software media explains how to send problem reports to Compaq.

Conventions

This manual uses the following conventions:

#: A number sign represents the superuser prompt.
% cat: Boldface type in interactive examples indicates typed user input.
file: Italic (slanted) type indicates variable values, placeholders, and function argument names.
cat(1): A cross-reference to a reference page includes the appropriate section number in parentheses. For example, cat(1) indicates that you can find information on the cat command in Section 1 of the reference pages.
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