From owner-freebsd-questions@FreeBSD.ORG Thu Jan 9 07:30:26 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7447D439 for ; Thu, 9 Jan 2014 07:30:26 +0000 (UTC) Received: from alogt.com (alogt.com [69.36.191.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 49F8015ED for ; Thu, 9 Jan 2014 07:30:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=alogt.com; s=default; h=Content-Transfer-Encoding:Content-Type:Mime-Version:References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date; bh=oBglkb6l8g/tTblDeucXAuXWP5CUZ1W/0pWawkwoZME=; b=RmHvzyYn37VsgvmfoJdGgC8m17D7LF3u0MKakIYk6rFYKvd+NWV66QXbKdqToTXQjNqhErxnVa5XrGumG6oRJxgXLlzckwS7Ga9YJW/dcD5xG1MaVkyN8tkJ0PSLU4EpFnOT/c9LcmT4a+C26WuHZA8R+++GDWafflXtrly82BU=; Received: from [120.180.144.196] (port=25299 helo=X220.alogt.com) by sl-508-2.slc.westdc.net with esmtpsa (SSLv3:DHE-RSA-AES128-SHA:128) (Exim 4.82) (envelope-from ) id 1W1A4N-0029uQ-FR; Thu, 09 Jan 2014 00:30:24 -0700 Date: Thu, 9 Jan 2014 15:29:44 +0800 From: Erich Dollansky To: Olivier Nicole Subject: Re: Server Hang Message-ID: <20140109152944.7af527cc@X220.alogt.com> In-Reply-To: References: <20140109063640.c216a6469914fbbf4cea08bc@sohara.org> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.19; amd64-portbld-freebsd10.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - sl-508-2.slc.westdc.net X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - alogt.com X-Get-Message-Sender-Via: sl-508-2.slc.westdc.net: authenticated_id: erichsfreebsdlist@alogt.com X-Source: X-Source-Args: X-Source-Dir: Cc: Steve O'Hara-Smith , "freebsd-questions@freebsd.org" X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jan 2014 07:30:26 -0000 Hi, On Thu, 9 Jan 2014 14:21:52 +0700 Olivier Nicole wrote: > Steve, > > >> Is it possible to take such a mirror copy of such a hard disk so > >> that i can replace it as a hot swap. I request all of your > >> expertise. How to do hot swap?please shed some light on it. > > > > Why not use a RAID1 mirror instead of a hot swap, then when > > it's needed you don't get downtime, you also get the benefit of > > better read performance, and of course it's guaranteed up to date. > > Remember the old disk is dying. i would not advise building a raid > around a dying disk :) there is a little bit more than just one disk dying. Did he ever post the result of a smartctl -a? Erich