From owner-freebsd-fs@FreeBSD.ORG Mon Dec 19 21:48:28 2005 Return-Path: X-Original-To: freebsd-fs@freebsd.org Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 00EA416A41F for ; Mon, 19 Dec 2005 21:48:28 +0000 (GMT) (envelope-from caiquanqing@gmail.com) Received: from xproxy.gmail.com (xproxy.gmail.com [66.249.82.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4C06043D7C for ; Mon, 19 Dec 2005 21:48:25 +0000 (GMT) (envelope-from caiquanqing@gmail.com) Received: by xproxy.gmail.com with SMTP id s9so952068wxc for ; Mon, 19 Dec 2005 13:48:24 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=PiI/kTy2aigrp+0teHpYb6RpVzE67eadRlaZjL2pwsXNp9rSjelaBryK9c3k+LAgZk6Y8+seZNp/Hfx5eZfF2Fi6XfVbmIrcWuYeAjlh4ehUyqM21yHAniCma5LtpjBGMzRO/oGV4p0iWPqrTIQ9vqey1NiDz4Lp51ApsgH6CvI= Received: by 10.70.98.11 with SMTP id v11mr5112932wxb; Mon, 19 Dec 2005 13:48:23 -0800 (PST) Received: by 10.70.128.11 with HTTP; Mon, 19 Dec 2005 13:48:23 -0800 (PST) Message-ID: <2b22951e0512191348t227c9354i36d6a4a87e7d5698@mail.gmail.com> Date: Mon, 19 Dec 2005 13:48:23 -0800 From: "Cai, Quanqing" To: freebsd-current@freebsd.org, freebsd-fs@freebsd.org, Matthias Andree In-Reply-To: <20051218092523.GA4694@merlin.emma.line.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <20051213151908.GA26821@crodrigues.org> <20051216151228.GA34670@crodrigues.org> <20051217141647.GC27992@merlin.emma.line.org> <2b22951e0512172355k36a579f4i42dd72562a3530ed@mail.gmail.com> <20051218092523.GA4694@merlin.emma.line.org> Cc: Subject: Re: XFS (read-only) support committed to CURRENT X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Dec 2005 21:48:28 -0000 On 12/18/05, Matthias Andree wrote: > On Sat, 17 Dec 2005, Cai, Quanqing wrote: > > > On 12/17/05, Matthias Andree wrote: > > > On Fri, 16 Dec 2005, Craig Rodrigues wrote: > > > > > > > Your comment makes no sense. What does being GPL have to do with > > > > choosing ext2fs vs. XFS? We ported XFS to FreeBSD because we felt = like it, > > > > and it was fun. [...] > > > > > > That's a compelling reason. Seriously. > > > > No offense, you could port ext3 too if you like... > > > > My company has 20s nfs servers(6 250G RAID 1 units), currently use > > SuSE9 w/XFS. I used ext3 on some but got long time fsck headache(Yes, > > I have data=3Djournal in fstab, but journal will fail under heavy load)= . > > So personally I prefer XFS. > > Failing journals are either I/O errors (dying hard disk drive) or > otherwise Linux kernel bugs. I have not yet seen ext3fs + NFS (or only > the journals) break under load (SUSE 9.2 and 10.0) for any other reason > than a broken drive or broken cables. If you have a workload that > reproduces the problem, report it to SUSE. No, I don't have time to deal with SuSE regarding failure, the company I am working for is growing so fast, need to add dozens of servers every month. After switch to XFS, I seldom get problems, even if I got problem, I can quickly reboot nfs server because it is using XFS. > > OTOH, it's "only" one Xeon NFS server with 1 70 GB RAID5 and 1 292 GB > RAID5 (MegaRAID SCSI 320-1 with BBU) with half a dozen users at any one > time. Oh, you don't put much load on it. I am using nfs server as storage server of internet application, so they get very high IO load. > > BTW, thank Craig Rodrigues, Alexander Kabaev, Russell Cattelan and all > > others for porting XFS to FreeBSD, it's a good news for community. We > > need a journal FS on FreeBSD so badly! > > :-) > > -- > Matthias Andree > Anyway, I am not tend to start a flame war between ext3 and XFS, I choose ext3 for our MySQL server because MySQL.com suggest me that, they said ext3 has better performance. Sorry, this is out of topic:( Cai, Quanqing