comments on forcedirectio

From: geraldine_2@xxxxxxxxxxx
To: Oracle-l@xxxxxxxxxxxxx
Date: Fri, 29 Apr 2005 22:48:04 +0000

I've read articles that encourages the use of forcedirectio on redo logs but 
discourages on oracle datafiles. With my limited understanding on the 
forcedirectio option, I believe it should be used on Oracle datafiles to 
eliminate double buffering. The use of forcedirectio should improve database 
performance. 
Are there any reasons why the option should not be used on Oracle datafiles? 
Does the use of the option depends on the type of storage array? We have 
9.2.0.4 databases on SUN StorEdge T4 and NetApp.

Thanks.

Geraldine

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