We are using the deadline method - cached i/o still runs 1/2 the speed of direct. Also, for current testing, we've been using JFS.... > -----Original Message----- > From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On > Behalf Of Jim Perrin > Sent: Friday, March 09, 2007 1:32 PM > To: CentOS mailing list > Subject: Re: [CentOS] Performance problem with CentOS and XFS on EMC > > Sure. Don't use XFS. > > Or use a different I/O method, like deadline. >