From owner-freebsd-stable@FreeBSD.ORG Fri Jul 20 22:46:22 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx2.freebsd.org (mx2.freebsd.org [69.147.83.53]) by hub.freebsd.org (Postfix) with ESMTP id 93B1F106564A for ; Fri, 20 Jul 2012 22:46:22 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from opti.dougb.net (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id C4CA814DEDA; Fri, 20 Jul 2012 22:46:21 +0000 (UTC) Message-ID: <5009DFBD.4080106@FreeBSD.org> Date: Fri, 20 Jul 2012 15:46:21 -0700 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:13.0) Gecko/20120621 Thunderbird/13.0.1 MIME-Version: 1.0 To: James Snow References: <20120719152909.GL32960@teardrop.org> <002D6A20-D2A4-4909-B2EA-3DB562326050@tao.org.uk> <20120719171548.GM32960@teardrop.org> <20120720222244.GA18627@teardrop.org> In-Reply-To: <20120720222244.GA18627@teardrop.org> X-Enigmail-Version: 1.4.2 OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Dr Josef Karthauser , "freebsd-stable@freebsd.org" Subject: Re: Checksum errors across ZFS array 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: Fri, 20 Jul 2012 22:46:22 -0000 On 07/20/2012 15:22, James Snow wrote: > I've run memtest for about 20 hours now (13 hours in one pass, 7 and > counting on the second) and seen no errors. Hrm. You probably know this already, but just in case ... Software memory tests cannot tell you conclusively that memory is good, only that it's bad. To make sure it's good you need a hardware tester. hth, Doug -- Change is hard.