Kevin, Yep, that's the correct setting. Makes the corruption very strange. Could you pass me the ontap version? I will check with our netapp admin if he has ever heard of this. Regards, Freek D'Hooge Uptime Oracle Database Administrator email: freek.dhooge@xxxxxxxxx tel +32(0)3 451 23 82 http://www.uptime.be disclaimer -----Original Message----- From: Lange, Kevin [mailto:KLange@xxxxxxxxxx] Sent: woensdag 12 maart 2008 17:19 To: D'Hooge Freek; ORACLE-L Subject: RE: datafiles on NFS? The value each value for this says guarantee=volume Is that the correct setting to be using ? -- //www.freelists.org/webpage/oracle-l