From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756661AbZHZDpB (ORCPT ); Tue, 25 Aug 2009 23:45:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756629AbZHZDpB (ORCPT ); Tue, 25 Aug 2009 23:45:01 -0400 Received: from tanas.ca ([206.248.136.31]:53026 "EHLO tanas.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756621AbZHZDpA (ORCPT ); Tue, 25 Aug 2009 23:45:00 -0400 From: "Andrei Tanas" To: "'Ric Wheeler'" Cc: "'NeilBrown'" , References: <004e01ca25e4$c11a54e0$434efea0$@ca> <9cfb6af689a7010df166fdebb1ef516b.squirrel@neil.brown.name> <4A948A82.4080901@redhat.com> <4A94905F.7050705@redhat.com> <005101ca25f4$09006830$1b013890$@ca> <4A94A0E6.4020401@redhat.com> In-Reply-To: <4A94A0E6.4020401@redhat.com> Subject: RE: MD/RAID: what's wrong with sector 1953519935? Date: Tue, 25 Aug 2009 23:45:06 -0400 Message-ID: <005401ca25ff$9ac91cc0$d05b5640$@ca> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Acol9tNCukGElqDIRIW4sMtGahjP7gACKuNw Content-Language: en-ca Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >> I would suggest that Andrei might try to write and clear the IO > error > >> at that > >> offset. You can use Mark Lord's hdparm to clear a specific sector or > >> just do the > >> math (carefully!) and dd over it. It the write succeeds (without > >> bumping your > >> remapped sectors count) this is a likely match to this problem, > > > > I've tried dd multiple times, it always succeeds, and the relocated > sector > > count is currently 1 on this drive, even though this particular fault > > happened at least 3 times so far. > > > > I would bump that count way up (say to 2) and see if you have an > issue... Not sure what you mean by this: how can I artificially bump the relocated sector count?