Red Hat GFS 6.1

Administrator's Guide

Copyright © 2004, 2005 Red Hat, Inc.

ISBN: N/A

Table of Contents

Introduction

1. Audience

2. Document Conventions

3. More to Come

3.1. Send in Your Feedback

4. Activate Your Subscription

4.1. Provide a Red Hat Login
4.2. Provide Your Subscription Number
4.3. Connect Your System

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

3. Installing GFS

3.1. Installing the Red Hat Cluster Suite Packages

3.1.1. Automatic RPM Installation
3.1.2. Custom RPM Installation

4. Getting Started

4.1. Prerequisite Tasks
4.2. Initial Setup Tasks

5. Managing GFS

5.1. Making a File System

5.1.1. Usage
5.1.2. Examples
5.1.3. Complete Options

5.2. Mounting a File System

5.2.1. Usage
5.2.2. Example
5.2.3. Complete Usage

5.3. Unmounting a File System

5.3.1. Usage

5.4. GFS Quota Management

5.4.1. Setting Quotas
5.4.2. Displaying Quota Limits and Usage
5.4.3. Synchronizing Quotas
5.4.4. Disabling/Enabling Quota Enforcement
5.4.5. Disabling/Enabling Quota Accounting

5.5. Growing a File System

5.5.1. Usage
5.5.2. Comments
5.5.3. Examples
5.5.4. Complete Usage

5.6. Adding Journals to a File System

5.6.1. Usage
5.6.2. Comments
5.6.3. Examples
5.6.4. Complete Usage

5.7. Direct I/O

5.7.1. O_DIRECT
5.7.2. GFS File Attribute
5.7.3. GFS Directory Attribute

5.8. Data Journaling

5.8.1. Usage
5.8.2. Examples

5.9. Configuring atime Updates

5.9.1. Mount with noatime
5.9.2. Tune GFS atime Quantum

5.10. Suspending Activity on a File System

5.10.1. Usage
5.10.2. Examples

5.11. Displaying Extended GFS Information and Statistics

5.11.1. Usage
5.11.2. Examples

5.12. Repairing a File System

5.12.1. Usage
5.12.2. Example

5.13. Context-Dependent Path Names

5.13.1. Usage
5.13.2. Example

6. Using GNBD with Red Hat GFS

6.1. GNBD Driver and Command Usage

6.1.1. Exporting a GNBD from a Server
6.1.2. Importing a GNBD on a Client

6.2. Running GFS on a GNBD Server Node

A. Upgrading GFS

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		Introduction