From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o28NstEm083938 for ; Mon, 8 Mar 2010 17:54:55 -0600 Received: from rcsinet12.oracle.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 4ACC4225E13 for ; Mon, 8 Mar 2010 15:56:23 -0800 (PST) Received: from rcsinet12.oracle.com (rcsinet12.oracle.com [148.87.113.124]) by cuda.sgi.com with ESMTP id mXogPHuDWxitY8TZ for ; Mon, 08 Mar 2010 15:56:23 -0800 (PST) Subject: Re: What are the correct mkfs.xfs parameters for a lying WD-EARS HDD? From: "Martin K. Petersen" References: <20100308221044.GA17830@citd.de> <4B957E03.9090000@sandeen.net> Date: Mon, 08 Mar 2010 18:55:55 -0500 In-Reply-To: <4B957E03.9090000@sandeen.net> (Eric Sandeen's message of "Mon, 08 Mar 2010 16:45:23 -0600") Message-ID: MIME-Version: 1.0 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: Eric Sandeen Cc: xfs@oss.sgi.com >>>>> "Eric" == Eric Sandeen writes: Eric> Make sure your partitions, if any, are on 4k boundaries.(*) older Eric> fdisk at least won't do this by default, not sure about parted. You can use the expert mode in fdisk to ensure that the partition begins on a 4KB boundary. Eric> (*)unless the drive has an offset to make 512-sector 63 line up on Eric> a nice boundary... in which case I guess you could experiment with Eric> perf both ways to be sure... EARS is the one that's lying about the physical block size. It's zero-aligned unless somebody messed with the jumper. -- Martin K. Petersen Oracle Linux Engineering _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs