The VERITAS File System

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