HP JFS 3.3 and HP OnLineJFS 3.3 VERITAS File System 3.3 System Administrator's Guide

18 Chapter1
The VxFS File System
Introduction
Introduction
VxFS is an extent based, intent logging file system. VxFS is particularly
geared toward 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 covered in
this chapter:
• “JFS and OnLineJFS Feature Comparison”
• “Disk Layout Options”
• “File System Performance Enhancements”
• “Extent-Based Allocation”
• “Extent Attributes”
• “Fast File System Recovery”
• “Online System Administration”
• “Online Backup”
• “Application Interface”
• “Extended mount Options”
• “Enhanced I/O Performance”
• “Quotas”
• “Access Control Lists”
• “Support for Large Files”