From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752505Ab1GEWew (ORCPT ); Tue, 5 Jul 2011 18:34:52 -0400 Received: from lennier.cc.vt.edu ([198.82.162.213]:60095 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751373Ab1GEWev (ORCPT ); Tue, 5 Jul 2011 18:34:51 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.3-dev To: Lars =?UTF-8?B?VMOkdWJlcg==?= Cc: linux-kernel@vger.kernel.org Subject: Re: [PROBLEM] reproduceable storage errors on high IO load In-Reply-To: Your message of "Mon, 04 Jul 2011 15:39:23 +0200." <20110704153923.b929ce5d.taeuber@bbaw.de> From: Valdis.Kletnieks@vt.edu References: <20110606095127.21d23a70.taeuber@bbaw.de> <201106060559.03131.gene.heskett@gmail.com> <20110606130628.e86f0c67.taeuber@bbaw.de> <201106060920.32257.gene.heskett@gmail.com> <20110606155610.69a0d17a.taeuber@bbaw.de> <20110607124354.06ed074e.taeuber@bbaw.de> <20110701102323.3db579ad.taeuber@bbaw.de> <20110701151313.2afd48e0.taeuber@bbaw.de> <20110701163719.27afc580.taeuber@bbaw.de> <20110704153923.b929ce5d.taeuber@bbaw.de> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1309905287_18528P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 05 Jul 2011 18:34:47 -0400 Message-ID: <62378.1309905287@turing-police.cc.vt.edu> X-Mirapoint-Received-SPF: 198.82.161.152 auth3.smtp.vt.edu Valdis.Kletnieks@vt.edu 2 pass X-Junkmail-Info: (0) X-Junkmail-Status: score=10/50, host=dagger.cc.vt.edu X-Junkmail-Signature-Raw: score=unknown, refid=str=0001.0A020204.4E139188.00B9,ss=1,fgs=0, ip=0.0.0.0, so=2010-07-22 22:03:31, dmn=2009-09-10 00:05:08, mode=multiengine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1309905287_18528P Content-Type: text/plain; charset=us-ascii On Mon, 04 Jul 2011 15:39:23 +0200, Lars =?UTF-8?B?VMOkdWJlcg==?= said: > 1. > * Ultrastar 7K3000 attached to onboard AMD_AHCI > * dd if=/dev/zero of=/dev/sde > * dd told write speed of: 15.7MB/s > * no error after half an hour > > 2. > * Ultrastar 7K3000 attached to PCIe to sata_mv controller > * dd if=/dev/zero of=/dev/sda > * dd told write speed of: 6.5MB/s > * no error but strange log: dmesg-PCIe-sata_mv.log.gz > > 3. > * Ultrastar 7K3000 attached to PCIe areca SAS HBA (mvsas) > * dd if=/dev/zero of=/dev/sdg > * dd told write speed of: 1.3MB/s > * errors: dmesg-PCIe-mvsas.log.gz Umm.. was this the *same* Ulstrastar disk connected 3 different ways? And how exactly was it connected in each case? (Trying to rule out flaky disks if it was 3 different disks, or a hardware/cabling issue specific to the areca controller) --==_Exmh_1309905287_18528P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFOE5GHcC3lWbTT17ARAuOLAKDEkF1Q1fyJ4qRSMCpfOiDYatWQUgCfRuQM mLAIxwua9yoai+50cwpuk8A= =RZz+ -----END PGP SIGNATURE----- --==_Exmh_1309905287_18528P--