Table of Contents

Introduction

1. Audience

2. Related Documentation

3. Document Conventions

4. Send in Your Feedback

5. Recommended References

1. GFS Overview

1.1. New and Changed Features

1.2. Performance, Scalability, and Economy

1.2.1. Superior Performance and Scalability

1.2.2. Performance, Scalability, Moderate Price

1.2.3. Economy and Performance

1.3. GFS Functions

1.4. GFS Software Subsystems

1.5. Before Setting Up GFS

2. System Requirements

2.1. Platform Requirements

2.2. Red Hat Cluster Suite

2.3. Fencing

2.4. Fibre Channel Storage Network

2.5. Fibre Channel Storage Devices

2.6. Network Power Switches

2.7. Console Access

2.8. Installing GFS

3. Getting Started

3.1. Prerequisite Tasks

3.2. Initial Setup Tasks

4. Managing GFS

4.1. Making a File System

4.2. Mounting a File System

4.3. Unmounting a File System

4.4. GFS Quota Management

4.4.1. Setting Quotas

4.4.2. Displaying Quota Limits and Usage

4.4.3. Synchronizing Quotas

4.4.4. Disabling/Enabling Quota Enforcement

4.4.5. Disabling/Enabling Quota Accounting

4.5. Growing a File System

4.6. Adding Journals to a File System

4.7. Direct I/O

4.7.1. O_DIRECT

4.7.2. GFS File Attribute

4.7.3. GFS Directory Attribute

4.8. Data Journaling

4.9. Configuring atime Updates

4.9.1. Mount with noatime

4.9.2. Tune GFS atime Quantum

4.10. Suspending Activity on a File System

4.11. Displaying Extended GFS Information and Statistics

4.12. Repairing a File System

4.13. Context-Dependent Path Names

Index