Veritas Storage Foundation™ for Oracle 5.0.1 Administrator's Guide

Using Veritas Quick I/O

This chapter includes the following topics:

■ About Quick I/O

■ Creating database files as Quick I/O files using qiomkfile

■ Preallocating space for Quick I/O files using the setext command

■ Accessing regular VxFS files as Quick I/O files

■ Converting Oracle files to Quick I/O files

■ About sparse files

■ Handling Oracle temporary tablespaces and Quick I/O

■ Displaying Quick I/O status and file attributes

■ Extending a Quick I/O file

■ Using Oracle's AUTOEXTEND with Quick I/O files

■ Recreating Quick I/O files after restoring a database

■ Disabling Quick I/O

About Quick I/O

Veritas Quick I/O is a VxFS feature included in Veritas Storage Foundation for

Oracle that lets applications access preallocated VxFS files as raw character

devices. Quick I/O provides the administrative benefits of running databases on

file systems without the typically associated degradation in performance.

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