Veritas File System 5.0 AdministratorÆs Guide, HP-UX 11i v3, First Edition, May 2008

Chapter 1 Introducing Veritas File System
About Veritas File System .............................................................. 11
Logging ................................................................................ 12
Extents ................................................................................ 12
File system disk layouts ........................................................... 12
Veritas File System features ........................................................... 12
Extent-based allocation ........................................................... 14
Extent attributes .................................................................... 16
Fast file system recovery .......................................................... 16
Extended mount options .......................................................... 17
Enhanced data integrity modes ................................................. 17
Enhanced performance mode ................................................... 18
Temporary file system mode ..................................................... 19
Improved synchronous writes ................................................... 19
Support for large files ............................................................. 19
Access Control Lists ................................................................ 19
Storage Checkpoints ............................................................... 20
Online backup ....................................................................... 20
Quotas ................................................................................. 20
Support for databases ............................................................. 21
Cluster file systems ................................................................ 21
Cross-platform data sharing ..................................................... 22
File Change Log ..................................................................... 22
Multi-volume support ............................................................. 22
Dynamic Storage Tiering ......................................................... 22
Veritas File System performance enhancements ................................. 23
About enhanced I/O performance .............................................. 23
Using Veritas File System .............................................................. 24
Veritas Enterprise Administrator Graphical User Interface ............. 24
Online system administration ................................................... 25
Chapter 2 VxFS performance: creating, mounting, and tuning
file systems
Creating a VxFS file system ............................................................ 27
Block size ............................................................................. 27
Contents