From owner-freebsd-current@FreeBSD.ORG Tue Apr 7 13:38:25 2009 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 2917A1065713 for ; Tue, 7 Apr 2009 13:38:25 +0000 (UTC) (envelope-from M.S.Powell@salford.ac.uk) Received: from relay0.salford.ac.uk (relay0.salford.ac.uk [146.87.0.10]) by mx1.freebsd.org (Postfix) with SMTP id 888A88FC2E for ; Tue, 7 Apr 2009 13:38:24 +0000 (UTC) (envelope-from M.S.Powell@salford.ac.uk) Received: (qmail 38217 invoked by uid 98); 7 Apr 2009 13:38:23 -0000 Received: from 146.87.255.121 by relay0.salford.ac.uk (envelope-from , uid 401) with qmail-scanner-2.01 (clamdscan: 0.94.2/9210. spamassassin: 3.2.4. Clear:RC:1(146.87.255.121):. Processed in 0.089849 secs); 07 Apr 2009 13:38:23 -0000 Received: from rust.salford.ac.uk (HELO rust.salford.ac.uk) (146.87.255.121) by relay0.salford.ac.uk (qpsmtpd/0.3x.614) with SMTP; Tue, 07 Apr 2009 14:38:23 +0100 Received: (qmail 31358 invoked by uid 1002); 7 Apr 2009 13:38:21 -0000 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 7 Apr 2009 13:38:21 -0000 Date: Tue, 7 Apr 2009 14:38:21 +0100 (BST) From: "Mark Powell" To: ticso@cicely.de In-Reply-To: <20090407142423.L31650@rust.salford.ac.uk> Message-ID: <20090407143442.S31650@rust.salford.ac.uk> References: <49BE4EC1.90207@163.com> <20090320102824.W75873@rust.salford.ac.uk> <20090320152737.D641@rust.salford.ac.uk> <20090325105613.55624rkkgf2xkr6s@webmail.leidinger.net> <20090325103721.G67233@rust.salford.ac.uk> <20090325135528.21416hzpozpjst8g@webmail.leidinger.net> <20090325125930.U73916@rust.salford.ac.uk> <20090325152128.2389990h7v6a02co@webmail.leidinger.net> <20090325152940.GB16409@cicely7.cicely.de> <20090325180054.L87213@rust.salford.ac.uk> <20090325183831.GD16409@cicely7.cicely.de> <20090326084726.N87213@rust.salford.ac.uk> <20090407142423.L31650@rust.salford.ac.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: dgerow@afflictions.org, Daniel Eriksson , FreeBSD Current , Mark Powell , kevin , Alexander Leidinger Subject: Re: Apparently spurious ZFS CRC errors (was Re: ZFS data error without reasons) 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: Tue, 07 Apr 2009 13:38:26 -0000 On Tue, 7 Apr 2009, Mark Powell wrote: > Curiously CRC errors on both pools appeared at the same time. I've been > running zpool status from cron every minute and all these new CRC errors, > occured within two consecutive minutes: Actually that was the status of a current scrub to see if the errors would go away. A zpool status from the time it occured: ----- Tue Apr 7 10:56:01 BST 2009 pool: pool state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://www.sun.com/msg/ZFS-8000-9P scrub: scrub completed after 4h10m with 0 errors on Tue Apr 7 06:10:52 2009 config: NAME STATE READ WRITE CKSUM pool ONLINE 0 0 0 raidz1 ONLINE 0 0 0 stripe/str0 ONLINE 0 0 0 ad8 ONLINE 0 0 0 ad10 ONLINE 0 0 0 ad12 ONLINE 0 0 0 ad14 ONLINE 0 0 1 errors: No known data errors pool: pool2 state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://www.sun.com/msg/ZFS-8000-9P scrub: scrub completed after 5h22m with 0 errors on Tue Apr 7 07:22:26 2009 config: NAME STATE READ WRITE CKSUM pool2 ONLINE 0 0 0 raidz2 ONLINE 0 0 0 ad18 ONLINE 0 0 0 ad20 ONLINE 0 0 4 ad22 ONLINE 0 0 2 ad24 ONLINE 0 0 0 ad26 ONLINE 0 0 0 ad28 ONLINE 0 0 6 errors: No known data errors ----- Cheers. -- Mark Powell - UNIX System Administrator - The University of Salford Information & Learning Services, Clifford Whitworth Building, Salford University, Manchester, M5 4WT, UK. Tel: +44 161 295 6843 Fax: +44 161 295 5888 www.pgp.com for PGP key