From owner-freebsd-stable@FreeBSD.ORG Thu Jul 19 17:17:04 2012 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 C689D106564A for ; Thu, 19 Jul 2012 17:17:04 +0000 (UTC) (envelope-from snow@teardrop.org) Received: from sputnik.teardrop.org (sputnik.teardrop.org [65.98.88.18]) by mx1.freebsd.org (Postfix) with ESMTP id DFD7F8FC0A for ; Thu, 19 Jul 2012 17:16:47 +0000 (UTC) Received: by sputnik.teardrop.org (Postfix, from userid 30000) id E60867E87A; Thu, 19 Jul 2012 17:15:48 +0000 (UTC) Date: Thu, 19 Jul 2012 10:15:48 -0700 From: James Snow To: Dr Joe Karthauser Message-ID: <20120719171548.GM32960@teardrop.org> References: <20120719152909.GL32960@teardrop.org> <002D6A20-D2A4-4909-B2EA-3DB562326050@tao.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <002D6A20-D2A4-4909-B2EA-3DB562326050@tao.org.uk> User-Agent: Mutt/1.4.2.3i Cc: "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: Thu, 19 Jul 2012 17:17:04 -0000 On Thu, Jul 19, 2012 at 06:05:32PM +0100, Dr Joe Karthauser wrote: > Hi James, > > It's almost definitely a memory problem. I'd change it ASAP if I were > you. > > I lost about 70mb from my zfs pool for this very reason just a few > weeks ago. Luckily I had enough snapshots from before the rot set in > to recover most of what I lost. Thanks for the input. I will run a memory test against it. If I may, why "almost definitely" a memory problem and not an issue with the controller? (Or did you mean the controller memory?) -Snow