From: Andreas Dilger Subject: Re: Ordered data mode vs. writeback mode Date: Tue, 17 Jun 2008 08:34:07 -0600 Message-ID: <20080617143407.GC3726@webber.adilger.int> References: <3.0.6.32.20080616225930.01b86a60@pop.west.cox.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT Cc: "linux-ext4@vger.kernel.org" To: Gary Hawco Return-path: Received: from sca-es-mail-1.Sun.COM ([192.18.43.132]:57222 "EHLO sca-es-mail-1.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757714AbYFQOeL (ORCPT ); Tue, 17 Jun 2008 10:34:11 -0400 Received: from fe-sfbay-10.sun.com ([192.18.43.129]) by sca-es-mail-1.sun.com (8.13.7+Sun/8.12.9) with ESMTP id m5HEY8uJ028570 for ; Tue, 17 Jun 2008 07:34:10 -0700 (PDT) Received: from conversion-daemon.fe-sfbay-10.sun.com by fe-sfbay-10.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) id <0K2M00C0131OQ200@fe-sfbay-10.sun.com> (original mail from adilger@sun.com) for linux-ext4@vger.kernel.org; Tue, 17 Jun 2008 07:34:08 -0700 (PDT) In-reply-to: <3.0.6.32.20080616225930.01b86a60@pop.west.cox.net> Content-disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: On Jun 16, 2008 22:59 +0000, Gary Hawco wrote: > What is the preferred mode for a home desktop system with ext4? Is > writeback still the fastest, but ordered data has more data integrity? And > does delalloc only work when writeback is enabled? And does the commit=XX > seconds still only work with writeback mode, ala ext3, or is it a valid > option with ordered data mode? Using ordered mode is the default and preferred mode. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.