VERITAS File SystemÖ 3.5 (HP OnlineJFS/JFS3.5) AdministratorÆs Guide (December 2002)

Chapter 1

1 The VERITAS File System

Introduction

VxFS is an extent based, intent logging file system. VxFS is designed for use in UNIX environments that

require high performance and availability and deal with large volumes of data.

This chapter provides an overview of major VxFS features that are described in detail in later chapters. The

following topics are introduced in this chapter:

•VxFS Features

•Disk Layouts

• File System Performance Enhancements

• VERITAS Enterprise Administrator Graphical User Interface

• Extent Based Allocation

•Extent Attributes

• Fast File System Recovery

• Online System Administration

• Application Interface

• Extended mount Options

• Enhanced I/O Performance

• Access Control Lists

•Storage Checkpoints

• Online Backup

•Quotas

• Support for Databases

•VERITAS QuickLog

• Cluster File Systems