From owner-freebsd-questions@FreeBSD.ORG Fri Aug 11 21:49:51 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2400C16A4DD for ; Fri, 11 Aug 2006 21:49:51 +0000 (UTC) (envelope-from prvs=ohartman=371dec94b@uni-mainz.de) Received: from mailgate02.zdv.uni-mainz.de (mailgate02.zdv.Uni-Mainz.DE [134.93.178.132]) by mx1.FreeBSD.org (Postfix) with ESMTP id 528B943D45 for ; Fri, 11 Aug 2006 21:49:49 +0000 (GMT) (envelope-from prvs=ohartman=371dec94b@uni-mainz.de) Received: from exfront01.zdv.uni-mainz.de ([134.93.176.49]) by mailgate02.zdv.uni-mainz.de with ESMTP; 11 Aug 2006 23:49:48 +0200 Received: from mail.uni-mainz.de ([134.93.176.56]) by exfront01.zdv.Uni-Mainz.DE with Microsoft SMTPSVC(6.0.3790.1830); Fri, 11 Aug 2006 23:49:48 +0200 Received: from [192.168.1.128] ([85.178.49.213] RDNS failed) by mail.uni-mainz.de over TLS secured channel with Microsoft SMTPSVC(6.0.3790.1830); Fri, 11 Aug 2006 23:49:48 +0200 Message-ID: <44DCFB71.6000708@mail.uni-mainz.de> Date: Fri, 11 Aug 2006 23:49:37 +0200 From: "O. Hartmann" User-Agent: Thunderbird 1.5.0.5 (X11/20060729) MIME-Version: 1.0 To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 11 Aug 2006 21:49:48.0253 (UTC) FILETIME=[10DD80D0:01C6BD90] Subject: smartctl: Raw_Read_Error_Rate very high X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Aug 2006 21:49:51 -0000 Dear Sirs, watching from time to time via smartctl my new drives (HITACHI HDT722525DLA380 T7K250 250 GB SATA II drives) I found this line on one drive (ad4, the 'clean' one is ad4): ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000b 100 100 016 Pre-fail Always - 65536 The RAW value of this entry seems to be very high, on the other drives, it is zero. I detected some performance issues within last days, both drives are connected as ar0 RAID0 volume to the nForce4 chipset of the ASUS A8N32-SLI mainboard. Any suggestions? Thanks in advance, oh