From owner-freebsd-fs@FreeBSD.ORG Sun Oct 4 11:22:25 2009 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CF82D106568B for ; Sun, 4 Oct 2009 11:22:25 +0000 (UTC) (envelope-from patpro@patpro.net) Received: from rack.patpro.net (rack.patpro.net [193.30.227.216]) by mx1.freebsd.org (Postfix) with ESMTP id 573DB8FC08 for ; Sun, 4 Oct 2009 11:22:25 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by rack.patpro.net (Postfix) with ESMTP id 7635713C; Sun, 4 Oct 2009 13:06:21 +0200 (CEST) X-Virus-Scanned: amavisd-new at patpro.net Received: from amavis-at-patpro.net ([127.0.0.1]) by localhost (rack.patpro.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cElQjk+tcCRJ; Sun, 4 Oct 2009 13:06:20 +0200 (CEST) Received: from [IPv6:::1] (localhost [127.0.0.1]) by rack.patpro.net (Postfix) with ESMTP; Sun, 4 Oct 2009 13:06:20 +0200 (CEST) Message-Id: <5AFF10D8-2B03-4DE8-83E8-20B6A832BBA8@patpro.net> From: Patrick Proniewski To: Michael Fuckner In-Reply-To: <4AC861BF.20109@fuckner.net> Content-Type: multipart/signed; boundary=Apple-Mail-6--678214530; micalg=sha1; protocol="application/pkcs7-signature" Mime-Version: 1.0 (Apple Message framework v936) Date: Sun, 4 Oct 2009 13:06:15 +0200 References: <4AC861BF.20109@fuckner.net> X-Mailer: Apple Mail (2.936) X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-fs@freebsd.org Subject: Re: Offline uncorrectable sectors on hard drive X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Oct 2009 11:22:26 -0000 --Apple-Mail-6--678214530 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Hi Michael, On 4 oct. 09, at 10:50, Michael Fuckner wrote: >> - is that "Offline uncorrectable sectors" in fact correctable? I've >> found howto's for extfs and reiserfs to correct this kind of error >> by remapping bad sectors, but nothing for UFS. >> - this error appears to have disappeared, does it mean the >> harddrive (or the fs) made the remapping by it self? > sector errors are on the hardware, they don't deal with the > filesystem. > > Perhaps it was a once in a lifetime event, perhaps the drive is > going to die really soon. > > Please do a smartctl -t long and see if the drive has to be replaced. here is the result (from `smartctl -l selftest /dev/ad6` after the `smartctl -t long /dev/ad6` ): Warning! SMART Attribute Thresholds Structure error: invalid SMART checksum. === START OF READ SMART DATA SECTION === SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Completed without error 00% 34350 - # 2 Short offline Completed without error 00% 34339 - # 3 Extended offline Completed: read failure 20% 34317 201626851 # 4 Short offline Completed without error 00% 34315 - # 5 Short offline Completed without error 00% 34291 - # 6 Short offline Completed without error 00% 34267 - # 7 Short offline Completed without error 00% 34243 - # 8 Short offline Completed without error 00% 34220 - # 9 Short offline Completed without error 00% 34196 - #10 Short offline Completed without error 00% 34172 - #11 Extended offline Completed without error 00% 34150 - #12 Short offline Completed without error 00% 34148 - #13 Short offline Completed without error 00% 34124 - #14 Short offline Completed without error 00% 34100 - #15 Short offline Completed without error 00% 34076 - #16 Short offline Completed without error 00% 34053 - #17 Short offline Completed without error 00% 34029 - #18 Short offline Completed without error 00% 34005 - #19 Extended offline Completed without error 00% 33983 - #20 Short offline Completed without error 00% 33981 - #21 Short offline Completed without error 00% 33957 - It looks like the error is gone, but may be I'm wrong. regards, patpro --Apple-Mail-6--678214530--