VERITAS File System 4.1 Administrator's Guide

Quick I/O for Databases

Chapter 11160

Quick I/O is part of the VRTSvxfs package, but is available for use only with other VERITAS

products. See the VERITAS File System Release Notes for current product information.

This chapter discusses the following topics:

• “Quick I/O Functionality and Performance” on page 161

• “Using VxFS Files as Raw Character Devices” on page 163

• “Creating a Quick I/O File Using qiomkﬁle” on page 166

• “Accessing Regular VxFS Files Through Symbolic Links” on page 168

• “Using Quick I/O with Oracle Databases” on page 170

• “Using Quick I/O with Sybase Databases” on page 171

• “Enabling and Disabling Quick I/O” on page 172

• “Cached Quick I/O For Databases” on page 173

• “Quick I/O Statistics” on page 176

• “Quick I/O Summary” on page 177