Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754972AbZICLT1 (ORCPT ); Thu, 3 Sep 2009 07:19:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754938AbZICLT0 (ORCPT ); Thu, 3 Sep 2009 07:19:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:31981 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752346AbZICLTZ (ORCPT ); Thu, 3 Sep 2009 07:19:25 -0400 Message-ID: <4A9FA5F2.9090704@redhat.com> Date: Thu, 03 Sep 2009 07:18:10 -0400 From: Ric Wheeler User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Lightning/1.0pre Thunderbird/3.0b3 MIME-Version: 1.0 To: Krzysztof Halasa CC: Christoph Hellwig , Mark Lord , Michael Tokarev , david@lang.hm, Pavel Machek , Theodore Tso , NeilBrown , Rob Landley , Florian Weimer , Goswin von Brederlow , kernel list , Andrew Morton , mtk.manpages@gmail.com, rdunlap@xenotime.net, linux-doc@vger.kernel.org, linux-ext4@vger.kernel.org, corbet@lwn.net Subject: Re: raid is dangerous but that's secret (was Re: [patch] ext2/3: document conditions when reliable operation is possible) References: <20090828064449.GA27528@elf.ucw.cz> <20090828120854.GA8153@mit.edu> <20090830075135.GA1874@ucw.cz> <4A9A88B6.9050902@redhat.com> <4A9A9034.8000703@msgid.tls.msk.ru> <20090830163513.GA25899@infradead.org> <4A9BCCEF.7010402@redhat.com> <20090831131626.GA17325@infradead.org> <4A9BCDFE.50008@rtr.ca> <20090831132139.GA5425@infradead.org> <4A9F230F.40707@redhat.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 821 Lines: 22 On 09/03/2009 07:12 AM, Krzysztof Halasa wrote: > Ric Wheeler writes: > >> Just to add some support to this, all of the external RAID arrays that >> I know of normally run with write cache disabled on the component >> drives. > > Do they use "off the shelf" SATA (or PATA) disks, and if so, which ones? Which drives various vendors ships changes with specific products. Usually, they ship drives that have carefully vetted firmware, etc. but they are close to the same drives you buy on the open market. Seagate has a huge slice of the market, ric -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/