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filesystemio_options, What is it really?

edited Jan 14, 2011 3:05PM in Database Administration (MOSC) 3 commentsAnswered
I am running 11.1.06 on AIX jfs2 filesystems.  I would like to skip async i/o overhead.  To do this I believe I should should set filesystemio_options= setall.

 

The Following is from

 

Administator's reference of lunix and Unix-Based systems  

Appendix A Administering Oracle Databases on AIX

 

Before Oracle Database 11g, Direct Input-Output and Concurrent Input-Output could

not be enabled at the file level on JFS/JFS2. Therefore, the Oracle home directory and

data files had to be placed in separate file systems for optimal performance. The

Oracle home directory was placed on a file system mounted with default options, with

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