Hi list, Anybody out there running Oracle 9.2.0.4.0, Solaris 9 64-bit on UFS mount oracle datafile filesystem with forcedirectio option and set the init.ora parameter filesystemio_options to setall? What kind of performance gain by doing this? BTW, our application is SAP R/3 4.6C. Thanks, Roger Xu Database Administrator Dr Pepper Bottling Company of Texas (972)721-8337 This e-mail is intended solely for the person or entity to which it is addressed and may contain confidential and/or privileged information. Any review, dissemination, copying, printing or other use of this e-mail by persons or entities other than the addressee is prohibited. If you have received this e-mail in error, please contact the sender immediately and delete the material. ____________________________________________________________________ This email has been scanned for all viruses by the MessageLabs Email Security System. Any questions please call 972-721-8257 or email your request to tech_support@xxxxxxxxxxxx -- //www.freelists.org/webpage/oracle-l