From owner-freebsd-stable@FreeBSD.ORG Fri Oct 17 19:40:27 2008 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 42DFA1065687 for ; Fri, 17 Oct 2008 19:40:27 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from asmtpout013.mac.com (asmtpout013.mac.com [17.148.16.88]) by mx1.freebsd.org (Postfix) with ESMTP id 2F8DE8FC13 for ; Fri, 17 Oct 2008 19:40:27 +0000 (UTC) (envelope-from cswiger@mac.com) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Received: from cswiger1.apple.com ([17.227.140.124]) by asmtp013.mac.com (Sun Java(tm) System Messaging Server 6.3-7.03 (built Aug 7 2008; 32bit)) with ESMTPSA id <0K8W001ZEBUN7660@asmtp013.mac.com> for freebsd-stable@freebsd.org; Fri, 17 Oct 2008 11:40:00 -0700 (PDT) Message-id: From: Chuck Swiger To: JoaoBR In-reply-to: <200810171530.45570.joao@matik.com.br> Date: Fri, 17 Oct 2008 11:39:59 -0700 References: <200810171530.45570.joao@matik.com.br> X-Mailer: Apple Mail (2.929.2) Cc: freebsd-stable@freebsd.org Subject: Re: constant zfs data corruption 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, 17 Oct 2008 19:40:27 -0000 On Oct 17, 2008, at 11:30 AM, JoaoBR wrote: > constantly I find data corruption on ZFS volums, ever from rrdtool, > this > corrupt data happens on SATA disks, never seem on SCSI Presumably your SATA drives are correctly being reported by ZFS as corrupting data, and you should do something like replace cables, the drives themselves, perhaps try downgrading to SATA-150 rather than -300 if you are using the later. Also consider running a drive diagnostic utility from the mfgr (or smartmontools) and doing an extended self-test or destructive write surface check. Regards, -- -Chuck