From owner-freebsd-hackers@FreeBSD.ORG Wed Mar 17 11:32:16 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C5214106566B for ; Wed, 17 Mar 2010 11:32:16 +0000 (UTC) (envelope-from kstewart@owt.com) Received: from smtp.owt.com (smtp.owt.com [64.146.239.50]) by mx1.freebsd.org (Postfix) with ESMTP id 9A9928FC2E for ; Wed, 17 Mar 2010 11:32:16 +0000 (UTC) Received: from kstewart2.owt.com (kstewart2.owt.com [64.146.237.228]) (authenticated bits=0) by smtp.owt.com (8.13.8/8.13.8) with ESMTP id o2HBB5JA006632; Wed, 17 Mar 2010 04:11:05 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=owt.com; s=default; t=1268824267; bh=unsUeZku4lZYmCJW2tMaXiViIBho0B9nBOM938W9CqM=; h=From:To:Subject:Date:Cc:References:In-Reply-To:MIME-Version: Content-Type:Content-Transfer-Encoding:Message-Id; b=IZjDgT8OnzAcx jV9AjKbID5F4LNPP98hgbwa87jl2/0b4iGstG7Xhneuvn56mo+tMn6CmjrJhjVSD8C5 3Q21fGlhbiGJumrjioB5XpPbpQzomJIHrfU0pACMGYS1vyIQeWq0ofBzp1hPDySeeE2 l0e1G09Aq/M7yrT6t+SGyaXg= From: Kent Stewart To: freebsd-hackers@freebsd.org Date: Wed, 17 Mar 2010 04:11:04 -0700 User-Agent: KMail/1.9.10 References: <4BA0B0D8.1030204@icyb.net.ua> In-Reply-To: <4BA0B0D8.1030204@icyb.net.ua> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <201003170411.05092.kstewart@owt.com> Cc: Andriy Gapon , Mohacsi Janos Subject: Re: ATA 4K sector issues X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Mar 2010 11:32:16 -0000 On Wednesday 17 March 2010 03:37:12 am Andriy Gapon wrote: > on 17/03/2010 12:16 Mohacsi Janos said the following: > > Dear FreeBSD hackers, > > What is the situation with ATA 4K dirves in FreeBSD? Are there > > any support for them in fdisk or disklabel? > > More information at: > > http://ata.wiki.kernel.org/index.php/ATA_4_KiB_sector_issues > > Did you mean to say gpart(1)? :) > AFAIK, the tool(s) do not auto-align on 4K boundaries, but they give > user an ability to do that by hand. > Besides, some 4K sector disks lie that they have 512 sectors. An article on the effect is located at http://storageeffect.media.seagate.com/2010/03/storage-effect/y2-011k-looming-for-windows-xp-users/ Kent -- Kent Stewart Richland, WA http://users.owt.com/kstewart/index.html