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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

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

xfnts.c File Listing

xfnts_monitor_check Method Code Listing

xfnts_monitor_start Method Code Listing

xfnts_monitor_stop Method Code Listing

xfnts_probe Method Code Listing

xfnts_start Method Code Listing

xfnts_stop Method Code Listing

xfnts_update Method Code Listing

xfnts_validate Method Code Listing

C.  Requirements for Non-Cluster-Aware Applications

D.  Document Type Definitions for the CRNP

E. Application


xfnts_update Method Code Listing

The RGM calls the Update method to notify a running resource that its properties have been changed. The RGM runs Update after an administrative action succeeds in setting properties of a resource or its group.

Example B-8 xfnts_update.c

#pragma ident "@(#)xfnts_update.c  1.10     01/01/18 SMI"

 * Copyright (c) 1998, 2012, Oracle and/or its affiliates.
 * All rights reserved.
 * xfnts_update.c - Update method for HA-XFS

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <rgm/libdsdev.h>

 * Some of the resource properties might have been updated. All such
 * updatable properties are related to the fault monitor. Hence, just
 * restarting the monitor should be enough.

main(int argc, char *argv[])
   scds_handle_t   scds_handle;
   scha_err_t   result;

   /* Process the arguments passed by RGM and initialize syslog */
   if (scds_initialize(&scds_handle, argc, argv) != SCHA_ERR_NOERR)
      scds_syslog(LOG_ERR, “Failed to initialize the handle.”);
      return (1);

    * check if the Fault monitor is already running and if so stop and
    * restart it. The second parameter to scds_pmf_restart_fm() uniquely
    * identifies the instance of the fault monitor that needs to be
    * restarted.

   scds_syslog(LOG_INFO, “Restarting the fault monitor.”);
   result = scds_pmf_restart_fm(scds_handle, 0);
   if (result != SCHA_ERR_NOERR) {
          “Failed to restart fault monitor.”);
      /* Free up all the memory allocated by scds_initialize */
      return (1);

       “Completed successfully.”);

   /* Free up all the memory allocated by scds_initialize */

   return (0);