From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F435EB64D7 for ; Fri, 30 Jun 2023 10:16:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233065AbjF3KQx (ORCPT ); Fri, 30 Jun 2023 06:16:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232853AbjF3KQv (ORCPT ); Fri, 30 Jun 2023 06:16:51 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51B1C10C for ; Fri, 30 Jun 2023 03:16:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.com; s=s31663417; t=1688120206; x=1688725006; i=quwenruo.btrfs@gmx.com; bh=UeTOxarE7zhvNJZgOxbvcmmnGViIf2IiPhyV1zkBUA8=; h=X-UI-Sender-Class:Date:Subject:To:References:From:In-Reply-To; b=jJlioCBEbzMeYxhPaKNgbqQrR4qkEEjgNgSabealbkGiagOpa9dKFlf42uV2Whuld9puVZH TvI3kpmUqFglMU+YXabIqfCKsfE/7awGhxhdHSpA5eUDNvWgRc9D99waQWeHKG9VI4g6hluTw 7DnZsTsCCNQlQsnIKqGoXOmih1hv+1APZd+hYPsreRD36iQHBhvFenie2OL8572nfLp90KmDb Nzvjhz3fYP7l2jfygjq3ZUzk46gkj40KV28zakswVEbPWJ96Ln8RlX0lSmfSi/sLXoEIpGMED 40Eld/gk93Pd9j+UAkFHxPMXpvJWS/SJRbOambSuX5qBqau/E2bg== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [0.0.0.0] ([149.28.201.231]) by mail.gmx.net (mrgmx105 [212.227.17.174]) with ESMTPSA (Nemesis) id 1MWigq-1qZ1OQ0m2y-00X4Wh; Fri, 30 Jun 2023 12:16:46 +0200 Message-ID: <3d208b62-efc2-afe4-e928-986dc4c53936@gmx.com> Date: Fri, 30 Jun 2023 18:16:43 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: question to btrfs scrub To: Bernd Lentes , linux-btrfs References: <8a3d7ad6-0ddb-3160-eece-8d6228b9c0a6@gmx.com> Content-Language: en-US From: Qu Wenruo In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:USltMSRIitYF/IVVBTVQXylvrDM3icpTVcsxt2SVzxCbTe+l5ag FUWkJD7jV3PDoEBhIYydDRi0P6V0Ex8Ms0nKqX4vEeSA+6qK5jYQNQRcK1Xvhfs0rYMuJh0 CCruTttiJoed+KrGj+48b4ceOPEPtUiQ3se10V+8N9VW75DTBsa6s1e6brvThXCKG66hfhc I9i/zFaVn/Xp+C6rdhFUw== UI-OutboundReport: notjunk:1;M01:P0:p2cFwvadoP4=;tJoglEtobCTGr0QD9g94SQsBSMj uBxHyZwwk2BkydgqudR4Yajwa6nrB5xxBa/v0fFvJZSLZlh5bg4Zcnp005olLZlQ3eVyT2Fjl jz2e50uO0PlAODAg+goFukqqvb5/b0e0PJZvoHLDTJl4xOLme/ZzWxTCPlP5VVrI2LDuiM9qR FrRbA3H9ilzCv2TfOYAhXMbe22ZMAkLdFwTSU+GSbBJdrZJkv75X4je7CycP9rrETcl7Qa1gZ 4V92zErzZzCkpIbBmRh6yRMdcjvTzI/ZXboZ2TiyuKfgltD/moZH1juUOi20ngBADVpHQ4eY4 xWMkVAt2t0R1ym5NVYQfQbgY268lktpEMhJuGbCdrAJRXDuttRfBABDwZuEN0Xc0QYgqrxMib GTGUrIriy7gDbf8EGOWRL6zQkE5L1l0yVgUaOFbhr7Y9bVCCWW/IAY/Kc46F9YRHYnEUfbogk jErHbjj5A/L+JuSbF5Wdwg0loa3ddlWeePpVadvc4mAaF7pD3QHZGB3YDXmb1O0p2iPw0W7xw 8ucGQSLxH1O03NkvgXsmfsk/jTUprPudacPx/x7/wJ5BShW6tB91EjsxXFhdZrtyydfKGBlUo tZQx7lHNmfQVGkXvKnb0LGTT8uEqiTI94Ou+49WN+1xdsMVk/NFWMKqHcMvJ1OubAeeZBpQ5M zA/Ox8Ffu5jHnEw9izUBtRjh1fOR6ziSt3i6baL9TDSSidtxCSqCSkEMH5gZGKCQ9bZikKoFs O2u34fPL2i8UlfSZc8bpu3N+Arvz5QTolRA+9sDK49m6dCS4wx+X+CJo+Jkug937xcnoCNTCW 0UZLKg3JPL1L/8nGIkxzjHeL28JOBN4DJGz+K5b3yPSXC4BbCeU/pm0uaFeVrfVhYdtugWbFD 8+2s1946Rvqz/RWM4Nh5Gb1ceE0X5kTkv8PV22wu9gApD3tdFdBh6AA+KNSSxTligsTMYNPrs hdDa43NGCfYMv+3OecWlfS0LPhg= Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 2023/6/30 17:59, Bernd Lentes wrote: > >> -----Original Message----- >> From: Qu Wenruo >> Sent: Thursday, June 29, 2023 11:08 AM >> To: Bernd Lentes ; linux-btrfs > btrfs@vger.kernel.org> >> Subject: Re: question to btrfs scrub > >> - Kernel version > 5.14.21-150400.24.63-default > >> - SMART info > ha-idg-1:/mnt/sdc1/ha-idg-1/image # smartctl -T verypermissive -a /dev/s= dc > smartctl 7.2 2021-09-14 r5237 [x86_64-linux-5.14.21-150400.24.63-default= ] (SUSE RPM) > Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.= org > > Read Device Identity failed: scsi error unsupported field in scsi comman= d > > =3D=3D=3D START OF INFORMATION SECTION =3D=3D=3D > Device Model: [No Information Found] > Serial Number: [No Information Found] > Firmware Version: [No Information Found] > Device is: Not in smartctl database [for details use: -P showall] > ATA Version is: [No Information Found] > Local Time is: Fri Jun 30 11:52:26 2023 CEST > SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 82-83 don't show= if SMART supported. > SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 85-87 don't show= if SMART is enabled. > Checking to be sure by trying SMART RETURN STATUS com= mand. > SMART support is: Unknown - Try option -s with argument 'on' to enable i= t. > Read SMART Data failed: scsi error unsupported field in scsi command > > =3D=3D=3D START OF READ SMART DATA SECTION =3D=3D=3D > SMART Status command failed: scsi error unsupported field in scsi comman= d > SMART overall-health self-assessment test result: UNKNOWN! > SMART Status, Attributes and Thresholds cannot be read. > > Read SMART Error Log failed: scsi error unsupported field in scsi comman= d > > Read SMART Self-test Log failed: scsi error unsupported field in scsi co= mmand > > Selective Self-tests/Logging not supported > > ha-idg-1:/mnt/sdc1/ha-idg-1/image # > ha-idg-1:/mnt/sdc1/ha-idg-1/image # smartctl -T verypermissive -s on /de= v/sdc > smartctl 7.2 2021-09-14 r5237 [x86_64-linux-5.14.21-150400.24.63-default= ] (SUSE RPM) > Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.= org > > Read Device Identity failed: scsi error unsupported field in scsi comman= d > > SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 82-83 don't show= if SMART supported. > SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 85-87 don't show= if SMART is enabled. > Checking to be sure by trying SMART RETURN STATUS com= mand. > SMART support is: Unknown - Try option -s with argument 'on' to enable i= t.=3D=3D=3D START OF ENABLE/DISABLE COMMANDS SECTION =3D=3D=3D > SMART Enable failed: scsi error unsupported field in scsi command > > SMART not available ? That maybe caused by whatever the controller of the USB enclosure. > >> - HDD model > external USB Seagate > >> IIRC there used to be some bug causing csum mismatch, if it's all in on= e file, >> you can backup and remove the file, then set nodatacow for that file. > bugs causing csum mismatch - Uaargh ! Your kernel is not that old AFAIK. And I don't want to go that path unless there are enough evidence to indicate that. Have you figured out which file(s) are affected and what's the workload of them? Thanks, Qu > How do i set nodatacow ? > > Bernd > > Helmholtz Zentrum M=C3=BCnchen =E2=80=93 Deutsches Forschungszentrum f= =C3=BCr Gesundheit und Umwelt (GmbH) > Ingolst=C3=A4dter Landstra=C3=9Fe 1, D-85764 Neuherberg, https://www.hel= mholtz-munich.de > Gesch=C3=A4ftsf=C3=BChrung: Prof. Dr. med. Dr. h.c. Matthias Tsch=C3=B6p= , Daniela Sommer (komm.) | Aufsichtsratsvorsitzende: MinDir=E2=80=99in Pro= f. Dr. Veronika von Messling > Registergericht: Amtsgericht M=C3=BCnchen HRB 6466 | USt-IdNr. DE 129521= 671