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Managing MC/ServiceGuard NFS: HP 9000 Networking

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HP Part Number: B5140-90011

Edition: Edition 3

Published: E1201

© Copyright 2001 Hewlett-Packard Company. .

Table of Contents

1 Overview of MC/ServiceGuard NFS

Limitations of MC/ServiceGuard NFS

Supported Configurations

Simple Failover to an Idle NFS Server
Failover from One Active NFS Server to Another
A Host Configured as Adoptive Node for Multiple Packages
Cascading Failover, with Three Adoptive Nodes
Server-to-Server Cross Mounting

How the Control and Monitor Scripts Work

Starting the NFS Services
Halting the NFS Services
Monitoring the NFS Services
On the Client Side

2 Installing and Configuring MC/ServiceGuard NFS

Installing MC/ServiceGuard NFS

Monitoring NFS/TCP Services with MC/ ServiceGuard NFS Toolkit

Before Creating a MC/ServiceGuard NFS Package

Configuring a MC/ServiceGuard NFS Package

Copying the Template Files
Editing the Control Script (nfs.cntl)
Editing the NFS Control Script (hanfs.sh)
Editing the Package Configuration File (nfs.conf)
Configuring Server-to-Server Cross-Mounts (Optional)
Creating the MC/ServiceGuard Binary Configuration File

3 Sample Configurations

Three-Server Mutual Takeover

Cluster Configuration File for Three-Server Mutual Takeover
Package Configuration File for pkg01
NFS Control Script for pkg01
Package Configuration File for pkg02
NFS Control Script for pkg02
Package Configuration File for pkg03
NFS Control Script for pkg03

One Adoptive Node for Two Packages

Cluster Configuration File for Adoptive Node for Two Packages
Package Configuration File for pkg01
NFS Control Script for pkg01
Package Configuration File for pkg02
NFS Control Script for pkg02

Three-Server Cascading Failover

Cluster Configuration File for Three-Server Cascading Failover
Package Configuration File for pkg01
NFS Control Script for pkg01
Package Configuration File for pkg02
NFS Control Script for pkg02

Two Servers with NFS Cross-Mounts

Cluster Configuration File for Two-Server NFS Cross-Mount
Package Configuration File for pkg01
NFS Control Script for pkg01
Package Configuration File for pkg02
NFS Control Script for pkg02

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
1-5 Server-to-Server Cross Mounting
2-1 Server-to-Server Cross-Mounting
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 Two Servers with NFS Cross-Mounts
3-8 Two Servers with NFS Cross-Mounts

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© 2001 Hewlett-Packard Development Company, L.P.