RE: comments on forcedirectio
- From: "Reidy, Ron" <Ron.Reidy@xxxxxxxxxxxxxxxxxx>
- To: <geraldine_2@xxxxxxxxxxx>, <Oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 29 Apr 2005 16:52:18 -0600
Not sure on this one, but I think using this on NetApp will corrupt your =
datafiles (worst case) or just cause your instance to crash at random =
times (best case).
-----------------
Ron Reidy
Lead DBA
Array BioPharma, Inc.
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of
geraldine_2@xxxxxxxxxxx
Sent: Friday, April 29, 2005 4:48 PM
To: Oracle-l@xxxxxxxxxxxxx
Subject: comments on forcedirectio
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.=20
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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