From owner-freebsd-stable@FreeBSD.ORG Thu Feb 11 03:00:47 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5C206106568D for ; Thu, 11 Feb 2010 03:00:47 +0000 (UTC) (envelope-from bms@incunabulum.net) Received: from out2.smtp.messagingengine.com (out2.smtp.messagingengine.com [66.111.4.26]) by mx1.freebsd.org (Postfix) with ESMTP id 29B7F8FC1B for ; Thu, 11 Feb 2010 03:00:47 +0000 (UTC) Received: from compute2.internal (compute2.internal [10.202.2.42]) by gateway1.messagingengine.com (Postfix) with ESMTP id BBF7AE0A57 for ; Wed, 10 Feb 2010 22:00:46 -0500 (EST) Received: from heartbeat1.messagingengine.com ([10.202.2.160]) by compute2.internal (MEProxy); Wed, 10 Feb 2010 22:00:46 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=messagingengine.com; h=message-id:date:from:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding; s=smtpout; bh=QZ+E25+5TFM/tXtqc1pWgaRvvlE=; b=dfCrG+UAZ+gt3GCQXrHq8D6fHpPe7f2ASWykdx4BRYhlHMq+po7vGKr0yYLep7fhxtwpWLOgFggWzCyxANfeLaGbguzN9X9V6vQABhVEktdsOVv8dpomlTdR3BkDHQMHXS62+/ES92m+e4MX80GzOi1jtyNDj17tgT8nGt+acJI= X-Sasl-enc: D1xb2vOnqG8ChUFhXAT76bm5/Y/DuyWSybLrrNA41OEH 1265857246 Received: from anglepoise.lon.incunabulum.net (cpc2-dals7-0-0-cust253.hari.cable.virginmedia.com [82.35.112.254]) by mail.messagingengine.com (Postfix) with ESMTPSA id 4FEC64AD2E8 for ; Wed, 10 Feb 2010 22:00:46 -0500 (EST) Message-ID: <4B7372D7.9060108@incunabulum.net> Date: Thu, 11 Feb 2010 03:00:39 +0000 From: Bruce Simpson User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.7) Gecko/20100207 Thunderbird/3.0.1 MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <4B6F9A8D.4050907@langille.org> <4B71490B.6030602@langille.org> <4B71AED5.4030002@wensing.org> <201002091949.o19JntPo009017@apollo.backplane.com> <4B723DF9.3070105@langille.org> <4B730B94.1050205@comcast.net> In-Reply-To: <4B730B94.1050205@comcast.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: hardware for home use large storage X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Feb 2010 03:00:47 -0000 On 02/10/10 19:40, Steve Polyack wrote: > > I haven't had such bad experience as the above, but it is certainly a > concern. Using ZFS we simply 'offline' the device, pull, replace with > a new one, glabel, and zfs replace. It seems to work fine as long as > nothing is accessing the device you are replacing (otherwise you will > get a kernel panic a few minutes down the line). mav@FreeBSD.org has > also committed a large patch set to 9-CURRENT which implements > "proper" SATA/AHCI hot-plug support and error-recovery through CAM. I've been running with this patch in 8-STABLE for well over a week now on my desktop w/o issues; I am using main disk for dev, and eSATA disk pack for light multimedia use.