VERITAS File System 3.5 (HP OnlineJFS/JFS 3.5) Administrator's Guide (August 2003)

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Preface
About This Document
The VERITAS File System (OnlineJFS/JFS 3.5) Administrator’s Guide provides information on the most
important aspects of VERITAS File System (VxFS) administration.
NOTE The terms base VERITAS File System 3.5, HP JFS 3.5, and base VxFS are used
interchangeably throughout this product note.
In addition, the terms full VERITAS File System 3.5, HP OnlineJFS 3.5, and full VxFS are
used interchangeably throughout this product note.
All of these terms may appear in other related VERITAS File System (HP OnlineJFS/JFS 3.5)
documentation that accompanies this product.
Intended Audience
This guide is for system administrators who configure and maintain UNIX systems with the VERITAS File
System, and assumes that you have a:
• Basic understanding of system administration
• Working knowledge of the UNIX operating system
• General understanding of file systems
This document is not a tutorial.
What is in This Document
Chapter 1, "The VERITAS File System", introduces the major features and characteristics of VxFS.
Chapter 2, "VxFS Performance: Creating, Mounting, and Tuning File Systems", describes VxFS tools that
optimize system performance. This section includes information on mount options.
Chapter 3, "Extent Attributes", describes the policies associated with allocation of disk space.
Chapter 4, "Application Interface", describes ways to optimize an application for use with VxFS. This chapter
includes details on cache advisories, extent sizes, and reservation of file space.
Chapter 5, "Online Backup", describes the snapshot backup feature of VxFS.
Chapter 6, "Quotas", describes VxFS methods to limit user access to file and data resources.
Appendix A, "VERITAS File System Quick Reference", provides information on common file system tasks and
examples of typical VxFS operations.
Appendix B, "Kernel Messages", lists VxFS kernel error messages in numerical order and provides
explanations and suggestions for dealing with these problems.
Appendix C, "Disk Layout", describes and illustrates the major components of VxFS disk layouts.
The “Glossary”contains a list of terms and definitions relevant to VxFS.