Veritas File System 4.1 Administrator's Guide (HP-UX 11i v3, February 2007)

Chapter 2 25
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 59.
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