Red_Hat_Enterprise_Linux-5-Beta-Global_File_System-en-US.pdf

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Red Hat Enterprise Linux 5.9 Beta Global File System
1
Red Hat Enterprise Linux 5.9
Beta
Global File System
Red Hat Global File System
Edition 4
2
Legal Notice
Legal Notice
Copyright © 2012 Red Hat, Inc.
T he text of and illustrations in this document are licensed by Red Hat under a Creative Commons
Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at
http://creativecommons.org/licenses/by-sa/3.0/.
In accordance with CC-BY-SA, if you distribute this
document or an adaptation of it, you must provide the URL for the original version.
Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section
4d of CC-BY-SA to the fullest extent permitted by applicable law.
Red Hat, Red Hat Enterprise Linux, the Shadowman logo, JBoss, MetaMatrix, Fedora, the Infinity Logo,
and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries.
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Red Hat Enterprise Linux 5.9 Beta Global File System
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Abstract
T his book provides information about configuring, and maintaining Red Hat GFS (Red Hat Global File
System) for Red Hat Enterprise Linux 5.
Note: T his document is under development, is subject to substantial change, and is provided only as a
preview. T he included information and instructions should not be considered complete, and should be
used with caution.
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Table of Contents
Table of Contents
Introduction
1. Audience
2. Related Documentation
3. Document Conventions
3.1. T ypographic Conventions
3.2. Pull-quote Conventions
3.3. Notes and Warnings
4. Feedback
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. Economy and Performance
1.3. GFS Software Components
1.4. Before Setting Up GFS
2. Getting Started
2.1. Prerequisite T asks
2.2. Initial Setup T asks
3. Managing GFS
3.1. Creating a File System
3.2. Mounting a File System
3.3. Unmounting a File System
3.4. Special Considerations when Mounting GFS File Systems
3.5. Displaying GFS T unable Parameters
3.6. GFS Quota Management
3.6.1. Setting Quotas
3.6.2. Displaying Quota Limits and Usage
3.6.3. Synchronizing Quotas
3.6.4. Disabling/Enabling Quota Enforcement
3.6.5. Disabling/Enabling Quota Accounting
3.7. Growing a File System
3.8. Adding Journals to a File System
3.9. Direct I/O
3.9.1.
O_DIRECT
3.9.2. GFS File Attribute
3.9.3. GFS Directory Attribute
3.10. Data Journaling
3.11. Configuring
atime
Updates
3.11.1. Mount with
noatime
3.11.2. T une GFS
atime
Quantum
3.12. Suspending Activity on a File System
3.13. Displaying Extended GFS Information and Statistics
3.13.1. Displaying GFS Space Usage
3.13.2. Displaying GFS Counters
3.13.3. Displaying Extended Status
3.14. Repairing a File System
Red Hat Enterprise Linux 5.9 Beta Global File System
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3.15. Context-Dependent Path Names
3.16. T he GFS Withdraw Function
A. Revision History
Index

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