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Oracle Solaris Cluster Data Services Developer's Guide     Oracle Solaris Cluster 4.0
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Document Information


1.  Overview of Resource Management

2.  Developing a Data Service

3.  Resource Management API Reference

4.  Modifying a Resource Type

5.  Sample Data Service

6.  Data Service Development Library

DSDL Overview

Managing Configuration Properties

Starting and Stopping a Data Service

Implementing a Fault Monitor

Accessing Network Address Information

Debugging the Resource Type Implementation

Enabling Highly Available Local File Systems

7.  Designing Resource Types

8.  Sample DSDL Resource Type Implementation

9.  Oracle Solaris Cluster Agent Builder

10.  Generic Data Service

11.  DSDL API Functions

12.  Cluster Reconfiguration Notification Protocol

A.  Sample Data Service Code Listings

B.  DSDL Sample Resource Type Code Listings

C.  Requirements for Non-Cluster-Aware Applications

D.  Document Type Definitions for the CRNP

E. Application


Implementing a Fault Monitor

The DSDL absorbs much of the complexity of implementing a fault monitor by providing a predetermined model. A Monitor_start method starts the fault monitor, under the control of the PMF, when the resource starts on a node. The fault monitor runs in a loop as long as the resource is running on the node.

The high-level logic of a DSDL fault monitor is as follows: