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Managing Serviceguard NFS for Linux

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HP Part Number: T1442-90018

Published: March 2009

Table of Contents

1 Serviceguard NFS for LINUX Introduction

Overview of Serviceguard NFS

Limitations of Serviceguard NFS

Overview of the NFS File Lock Migration Feature

Limitations of the NFS File Lock Migration Feature

Supported Configurations

Failover to an Idle Node
Failover between Active Nodes
Failover with an Adoptive Node for Multiple Packages
Cascading Failover with Multiple Adoptive Nodes

Understanding the Serviceguard NFS Files

How the Control Scripts work in Legacy Packages

Starting the NFS Services
Starting File Lock Migration
Halting the NFS Services

How the Master Control Script works in Modular Packages

Starting the NFS Services
Starting File Lock Migration
Halting the NFS Services

How the Monitor Script works

Remote mount table synchronization

On the Client Side

2 Installing and Configuring Serviceguard NFS for Linux

Installing Serviceguard NFS for Linux

Copying the Template Files

Before Creating an Serviceguard NFS Package
Configuring a Legacy Serviceguard NFS Package
Editing the Package Configuration File (pkg.conf)
Editing the Package Control Scripts (pkg.cntl)
Editing the NFS Configuration File (hanfs.conf)
Configuring Lock Migration Feature
Creating the Serviceguard Binary Configuration File
Housekeeping Suggestions

Configuring a Modular Serviceguard NFS Package

Editing the Package Configuration File (pkg.conf)
Creating the Serviceguard Binary Configuration File
Housekeeping Suggestions

3 Sample Configurations

Configuring Multiple Nodes to Support Failover of Multiple Packages

Cluster Configuration File for Three-Server Mutual Takeover

Configuring One Adoptive Node to Support Failover of Multiple Packages

Cluster Configuration File for Adoptive Node for Two Packages
Sample Configuration for Legacy Packages
Sample Configuration for Modular Packages

Configuring Multiple Adoptive Nodes for Cascading Failover

Cluster Configuration File for Three-Server Cascading Failover

Configuring One Adoptive Node for an NFS package with File Lock Migration

Cluster Configuration File for Adoptive Node for NFS package with File Lock Migration
Sample Configuration for Legacy Packages
Sample Configuration for Modular Packages

List of Figures

1-1 Simple Failover to an Idle NFS Server
1-2 Failover from One Active NFS Server to Another
1-3 A Host Configured as Adoptive Node for Multiple Packages
1-4 Cascading Failover, with Three Adoptive Nodes
3-1 Three-Server Mutual Takeover
3-2 Three-Server Mutual Takeover After One Server Fails
3-3 One Adoptive Node for Two Packages
3-4 One Adoptive Node for Two Packages After One Server Fails
3-5 Cascading Failover with Three Servers
3-6 Cascading Failover with Three Servers After One Server Fails
3-7 One Adoptive Node for an NFS Package
3-8 NFS Package on Adoptive Node After One Server Fails

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