Preface

The Global File Services File System and its optional products are generically called "GFS product" or "GFS" in the document.

This manual explains the functions, settings, and operations of the entire GFS products.

Target Readers

This manual is intended for all the users operating the products with the GFS Shared File System (e.g. PRIMECLUSTER.)

To read this manual, readers will require a general knowledge of UNIX and Linux(R) operating systems.

Because GFS Shared File System uses the functions of PRIMECLUSTER, readers will also need knowledge of cluster control as used in a PRIMECLUSTER system.

Because GFS Shared File System uses the functions of PRIMECLUSTER Global Disk Services, readers will also need knowledge of shared volume as used in a PRIMECLUSTER Global Disk Services.

Organization

This manual is organized as below.

Chapter 1 File System Functions: This chapter describes the functions and features of the GFS Shared File System.

Chapter 2 File System Structure: This chapter describes the structure of the GFS Shared File System.

Chapter 3 Failure Recovery: This chapter describes the failure recovery functions of the GFS Shared File System.

Chapter 4 File System Design: This chapter describes the main features of the operational design of the GFS Shared File System.

Chapter 5 Management Partition: This chapter describes the management partition.

Chapter 6 Starting and Exiting the Management View: This chapter describes the topology, preparation, and operation to use the GFS Management View.

Chapter 7 Operation Management View Screen Elements: This chapter describes the screen elements of the GFS Management View.

Chapter 8 Management Partition Operations (GUI): This chapter describes how to operate the management partition by the GFS Management View.

Chapter 9 Management Partition Operations (Command): This chapter describes how to operate the management partition by commands.

Chapter 10 File System Operations (GUI): This chapter describes how to operate the GFS Shared File System by the GFS Management View.

Chapter 11 File System Operations (Command): This chapter describes how to operate the GFS Shared File System by commands.

Chapter 12 File System Management: This chapter describes the procedures for managing the GFS Shared File System using basic commands.

Chapter 13 File System Backing-up and Restoring: This chapter describes how to backing up and restoring data in the GFS Shared File System.

Chapter 14 Tuning: This chapter describes how to use a variety of utilities to optimize and make effective use of the GFS Shared File System.

Chapter 15 Migration to the GFS Shared File System: This chapter describes how to migrate from existing file systems to the GFS Shared File Systems.

Appendix A List of Messages: This appendix describes GFS Shared File System messages.

Appendix B Reference Manual: This appendix describes management commands of the GFS Shared File System.

Appendix C Troubleshooting: This appendix describes how to collect troubleshooting information and take corrective action in the event of a GFS Shared File System failure.

Appendix D Release information: This appendix describes the main contents for change of this manual.

Glossary: The glossary defines the terms related to the GFS Shared File System.

Related documentation

The documents listed in this section contain information relevant to GFS Shared File System. Before beginning to work with GFS Shared File System, read the following document:

PRIMECLUSTER Concepts Guide (Oracle® Solaris, Linux®)
PRIMECLUSTER Installation and Administration Guide (Linux)
PRIMECLUSTER Web-Based Admin View Operation Guide
PRIMECLUSTER Cluster Foundation (CF) (Linux) Configuration and Administration Guide
PRIMECLUSTER Reliant Monitor Services (RMS) with Wizard Tools (Oracle® Solaris, Linux®) Configuration and Administration Guide
PRIMECLUSTER Reliant Monitor Services (RMS) (Oracle® Solaris, Linux®) Troubleshooting Guide
PRIMECLUSTER Global Disk Services Configuration and Administration Guide (Linux)
PRIMECLUSTER Global Link Services Configuration and Administration Guide : Redundant Line Control Function (Linux)
PRIMEQUEST 480/440 Reference Manual GUI/Command
PRIMEQUEST 480/440 Installation Manual
PRIMEQUEST 480/440 Operation Manual

Note

A related document of PRIMECLUSTER includes the following documents besides the above-mentioned manuals.

PRIMECLUSTER Software Release Guide and Installation Guide
The software release guide and installation guide appended to each product of PRIMECLUSTER.
The data is stored on CD of the product. For information about the file name, see "Product introduction".

Manual Printing

Use the PDF file to print this manual.

Adobe Reader is required to read and print this PDF file. To get Adobe Reader, see Adobe Systems Incorporated's website.

Online Manuals

To reference the online manual, use the Cluster management server to register the user name in user group wvroot, clroot, cladmin, or clmon.

See

To enter a user group and meaning thereof, see "PRIMECLUSTER Web-Based Admin View Operation Guide".

Notational Conventions

Notation

Prompts: Command line examples that require system administrator (or root) rights to execute are preceded by the system administrator prompt, the hash sign (#). Command line examples that do not require system administrator rights are preceded by a dollar sign ($).

Manual page section numbers

Section No. of manual page

Section numbers of the manual page appear in brackets after the commands of Linux® operating system and PRIMECLUSTER. Example: cp(1)

The keyboard: Keystrokes that represent nonprintable characters are displayed as key icons such as [Enter] or [F1]. For example, [Enter] means press the key labeled Enter; [Cntl]+[B] means hold down the key labeled Cntl or Control and then press the [B] key.

Italic type: Italic types represent variables which need to be replaced by specific numerical values or character strings.

Description on OS

[RHEL5] represents information essential for using Red Hat Enterprise Linux 5.

[RHEL6] represents information essential for using Red Hat Enterprise Linux 6.

Symbol: Material of particular interest is preceded by the following symbols in this manual:
Point
Describes the contents of an important point.
Note
Describes the points the users should pay close attention to.
Information
Provides useful information related to the topic.
See
Provides manuals for users' reference.

Date of publication and edition

April 2008, First edition
June 2011, Second edition
April 2012, 2.1 edition

Trademarks

UNIX is a registered trademark of Open Group in the United States and other countries.
Linux is a trademark or registered trademark of Mr. Linus Torvalds in the United States and other countries.
NFS and NFS Client are trademarks of Sun Microsystems, Inc.
PRIMECLUSTER is a trademark of Fujitsu Limited.
Other product names are product names, trademarks, or registered trademarks of these companies.

Acknowledgement

This product includes software developed by the University of California, Berkeley and its contributors.

Requests

No part of this document may be reproduced or copied without permission of FUJITSU LIMITED.
The contents of this document may be revised without prior notice.

Preface

Revision History