VERITAS File System 4.1 Administrator's Guide

Chapter 1 13
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
• Cross-Platform Data Sharing
• File Change Log
• Multi-Volume Support
• Quality of Storage Service
• Cluster File Systems