Veritas™ File System 5.0.1 Administrator's Guide

Technical Support ............................................................................................... 4
Chapter 1 Introducing Veritas File System ....................................... 15
About Veritas File System .............................................................. 15
Logging ................................................................................ 16
Extents ................................................................................ 16
File system disk layouts ........................................................... 16
Veritas File System features ........................................................... 16
Extent-based allocation ........................................................... 18
Extent attributes .................................................................... 20
Fast file system recovery ......................................................... 20
Extended mount options .......................................................... 21
Enhanced data integrity modes ................................................. 22
Enhanced performance mode ................................................... 23
Temporary file system mode .................................................... 23
Improved synchronous writes .................................................. 23
Support for large files ............................................................. 23
Access Control Lists ................................................................ 24
Storage Checkpoints ............................................................... 24
Online backup ....................................................................... 24
Quotas ................................................................................. 25
Support for databases ............................................................. 25
Cluster file systems ................................................................ 25
Cross-platform data sharing ..................................................... 26
File Change Log ..................................................................... 26
Multi-volume support ............................................................. 26
Dynamic Storage Tiering ......................................................... 26
Thin Reclamation of a file system ............................................. 27
Veritas File System performance enhancements ................................ 27
About enhanced I/O performance .............................................. 28
Using Veritas File System .............................................................. 29
Veritas Enterprise Administrator Graphical User Interface ............ 29
Online system administration .................................................. 30
Contents