From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id oBNLAwLA250142 for ; Thu, 23 Dec 2010 15:10:58 -0600 Received: from mail.sandeen.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 453381CF5AA7 for ; Thu, 23 Dec 2010 13:12:56 -0800 (PST) Received: from mail.sandeen.net (64-131-28-21.usfamily.net [64.131.28.21]) by cuda.sgi.com with ESMTP id 2rMHkOA0kQuli0WE for ; Thu, 23 Dec 2010 13:12:56 -0800 (PST) Message-ID: <4D13BB57.80309@sandeen.net> Date: Thu, 23 Dec 2010 15:12:55 -0600 From: Eric Sandeen MIME-Version: 1.0 Subject: Re: Anyone using XFS in production on > 20TiB volumes? References: <20101222175611.1c7d5190@harpe.intellique.com> <4D124B71.9030401@sandeen.net> <20101223012655.2681c596@galadriel.home> <20101223005630.GJ4907@dastard> In-Reply-To: List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Justin Piszcz Cc: xfs@oss.sgi.com On 12/23/10 12:06 PM, Justin Piszcz wrote: > > On Thu, 23 Dec 2010, Justin Piszcz wrote: > > > Hi, > > How come parted using (optimal at 1mb alignment is slower than no > partition? because parted got it wrong, sounds like. > In addition, sunit and swidth set properly as mentioned > earlier appears to be _slower_ than defaults with no partitions. stripe unit over an incorrectly aligned partition won't help and I suppose could make it worse. align your partitions, using sector units, to a stripe width unit. Set the stripe width properly on the fs on top of that. -Eric > > http://home.comcast.net/~jpiszcz/20101223/final.html > > Justin. > _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs