How To Verify Whether DIRECTIO is Being Used

(Doc ID 555601.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 8.1.7 to 11.1]
Information in this document applies to any platform.
***Checked for relevance on 03-Feb-2012***
***Checked for relevance on 12-Apr-2016***


This article explains how to verify whether direct I/O is being used by the database. This article will NOT go into detail what steps or actions are required to enable direct I/O. A minimum requirement is to have the Oracle parameter filesystemio_options set to DIRECTIO or SETALL.


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