IRIS FailSafe™ Version 2 Administrator'sGuide

Table of Contents

New Features in This Guide

About This Guide

Audience

Assumptions

Structure of This Guide

Related Documentation

Conventions

Reader Comments

1. Overview

High Availability and IRIS FailSafe

Cluster Environment

Additional Features

Administration

Highly Available Resources

Highly Available Applications

Failover and Recovery Processes

Overview of Configuring and Testing a New Cluster

Software Overview

2. Configuration Planning

Overview

Disk Configuration

Logical Volume Configuration

Filesystem Configuration

HA IP Address Configuration

Coexecution of CXFS and IRIS FailSafe

3. Installation and System Preparation

Install Software

Configure System Files

Set the coreplusid System Parameter

Set NVRAM Variables

Create XLV Logical Volumes and XFS Filesystems

Configure Network Interfaces

Configure the Serial Ports for a Ring Reset

Install Patches

Install Performance Co-Pilot (PCP) Software

Test the System

4. Administration Tools

FailSafe Manager GUI

cmgr Command

5. Configuration

Preliminary Steps

Name Restrictions

Configuring Timeout Values and Monitoring Intervals

Setting Configuration Defaults with cmgr

Guided Configuration with the GUI

Node Tasks

Cluster Tasks

Resource Type Tasks

Resource Tasks

Failover Policy Tasks

Resource Group Tasks

FailSafe HA Services Tasks

6. Configuration Examples

Example: Define a Three-Node Cluster

Example: Script to Define a Three-Node Cluster

Example: Local Failover of HA IP Address

Example: Modify a Cluster to Include a CXFS Filesystem

Example: Export CXFS Filesystems

Example: Create a Resource Group

7. IRIS FailSafe System Operation

System Operation Considerations

Two-Node Clusters: Single-Node Use

System Status

Embedded Support Partner (ESP) Logging of FailSafe Events

Resource Group Failover

Stopping FailSafe

Resetting Nodes

Backing Up and Restoring Configuration With cmgr

Log File Management

8. Testing the Configuration

Overview of FailSafe Diagnostic Commands

Performing Diagnostic Tasks with the GUI

Performing Diagnostic Tasks with cmgr

9. System Recovery

Overview of System Recovery

FailSafe Log Files

FailSafe Membership and Resets

Status Monitoring

Dynamic Control of FailSafe Services

Recovery Procedures

10. Upgrading and Maintaining Active Clusters

Add a Node to an Active Cluster

Delete a Node from an Active Cluster

Change Control Networks in a Cluster

Upgrade OS Software in an Active Cluster

Upgrade FailSafe Software in an Active Cluster

Add New Resource Groups or Resources in an Active Cluster

Adding a New Hardware Device in an Active Cluster

11. Performance Co-Pilot for FailSafe

Using the Visualization Tools

PCP for FailSafe Performance Metrics

Troubleshooting

A. Updating from IRIS FailSafe 1.2 to IRIS FailSafe 2.1.x

Hardware Changes

Software Changes

Configuration Changes

Scripts

Operational Comparison

Upgrade Examples

Additional FailSafe 2.1.x Tasks

Status

B. IRIS FailSafe 2.1.x Software

Subsystems on the CD

Subsystems for Servers and Workstations in the Pool

Additional Subsystems for Nodes in the FailSafe Cluster

Additional Subsystems for Administrative Workstations

C. Metrics Exported by PCP for FailSafe

Glossary

Index