From owner-freebsd-current@FreeBSD.ORG Mon Mar 8 10:31:31 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2EBC5106564A for ; Mon, 8 Mar 2010 10:31:31 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-fx0-f223.google.com (mail-fx0-f223.google.com [209.85.220.223]) by mx1.freebsd.org (Postfix) with ESMTP id A9E828FC12 for ; Mon, 8 Mar 2010 10:31:30 +0000 (UTC) Received: by fxm23 with SMTP id 23so4604117fxm.3 for ; Mon, 08 Mar 2010 02:31:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=q8Dxk+JCgxrEKH2UbSYRSer8xisZ23rGx6mlFq47Hjc=; b=t4QBFQtVTbqMd/WB6mTvNAD+qVp4QH8AXhA8whpJE76+39g1RiftmU8Lfw/hCs1yWU oM2PUZauOinu44LS2/RWIGNv49qSppPs8wKFzVLShwilWyRCtCv2pIsweoVgG3xH62H+ tsta/l5q6s/H8carViRxYpEN44eEZCSwZJasg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:subject :references:in-reply-to:content-type:content-transfer-encoding; b=IZqMPAvpLNSlUiT5I754sTGT1MY5ejdmR8wnd22PRxMY/kLznG7BIfkuNbpyAaF7DT lga1qryUPALpEATmBu5dh9hAGIERaC6HzSj/jlPgQ//Tu+hOVWI0SoMHl6+N7LG3eaW/ ByoNBdtxvxX49A2xCSk+1hk0EjDDD1jjxfU+g= Received: by 10.223.16.66 with SMTP id n2mr5351287faa.83.1268044287930; Mon, 08 Mar 2010 02:31:27 -0800 (PST) Received: from mavbook.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id 16sm2836333fxm.11.2010.03.08.02.31.26 (version=SSLv3 cipher=RC4-MD5); Mon, 08 Mar 2010 02:31:27 -0800 (PST) Sender: Alexander Motin Message-ID: <4B94D1FC.1050407@FreeBSD.org> Date: Mon, 08 Mar 2010 12:31:24 +0200 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Eugeny N Dzhurinsky , FreeBSD-Current References: In-Reply-To: Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 7bit Cc: Subject: Re: A tool for remapping bad sectors in CURRENT? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Mar 2010 10:31:31 -0000 Eugeny N Dzhurinsky wrote: > Recently I've started to see the following logs in messages: > > Mar 8 12:00:24 localhost smartd[795]: Device: /dev/ad4, 2 Currently unreadable (pending) sectors > Mar 8 12:00:24 localhost smartd[795]: Device: /dev/ad4, 2 Offline uncorrectable sectors > > smartctl did really show that something is wrong with my HDD, but still no > remaps - just read errors. > > SMART Self-test log structure revision number 1 > Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error > # 1 Extended offline Completed: read failure 60% 1198 222342559 > # 2 Extended offline Completed: read failure 60% 1187 222342557 > # 3 Extended offline Completed: read failure 60% 1180 222342559 > # 4 Short offline Completed without error 00% 1178 - > # 5 Extended offline Aborted by host 90% 1178 - > > and > > ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE > ... > Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0 > ... > > Now can I find out which file owns the LBAs 222342557 and 222342559 ? How do I > force remapping of these sectors? I assume that I have to write something > directly to the sectors? You may try to overwrite these sectors with dd. It should trigger sector reallocation. To be sure, you may read them before and after the write. -- Alexander Motin