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High Availability Framework Developer's Guide

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Typographical Conventions, Support, and Licensing
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About This Guide

QNX SDP8.0High Availability Framework Developer's GuideDeveloper

The High Availability Framework Developer's Guide describes how to build robust high-availability software running on the QNX OS.

The following table may help you find information quickly in this guide:


If you want to:	Go to:
Find the introduction	Introduction
Learn about the main components	What's in the High Availability Framework?
Understand the benefits of a software-oriented approach to High Availability	The QNX OS Approach to HA
Get an overview of the HAM and Guardian watchdogs	Using the High Availability Manager
Look up a HAM API function (e.g., ham_attach())	HAM API Reference
See sample code listings for handling various HA scenarios	The Examples appendix
Look up a special term used in this guide	Glossary

Note:

For an overview of the QNX OS, see the System Architecture guide.

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Page updated: August 11, 2025