VERITAS File System 4.1 Administrator's Guide

Chapter 2 37
2 VxFS Performance: Creating,
Mounting, and Tuning File Systems
Introduction
For any file system, the ability to provide peak performance is important. Adjusting the
available VERITAS File System (VxFS) options provides a way to increase system
performance. This chapter describes the commands and practices you can use to optimize
VxFS. For information on optimizing an application for use with VxFS, see “Application
Interface” on page 75.
The following topics are covered in this chapter:
• Choosing mkfs Command Options
— Block Size
— Intent Log Size
• Choosing mount Command Options
— log
— delaylog
— tmplog
— logiosize
— nodatainlog
— blkclear
— mincache
— convosync
— ioerror
— largefiles | nolargefiles
— tranflush
— Combining mount Command Options
• Kernel Tunables
— Internal Inode Table Size
— VxFS Buffer Cache High Water Mark