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 X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70599C2D0CE for ; Sat, 25 Jan 2020 00:36:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2449720709 for ; Sat, 25 Jan 2020 00:36:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="J47X7Fc9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729605AbgAYAg3 (ORCPT ); Fri, 24 Jan 2020 19:36:29 -0500 Received: from mout.gmx.net ([212.227.15.18]:39985 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729147AbgAYAg3 (ORCPT ); Fri, 24 Jan 2020 19:36:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1579912579; bh=iAvvAMJFVRBL9WGvzVXg27c3Xaokr7RehT860kP4FDk=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=J47X7Fc9WsZiBVsDj+y9bJ5Mem5zA1g4rUPTu3eQAm0uFaZS//CRdwX040jfKkjfy CVKVaZpit1ZTHK32M8Hnxle8Ms2eiOOQ5LWgEEpmL/BjhiMMXMeYBRneoTMN54HLkd rsrl8EkxfzaYzJ4/ls5zmmXFiWz2LByD/0wPAfto= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([149.28.201.231]) by mail.gmx.com (mrgmx005 [212.227.17.184]) with ESMTPSA (Nemesis) id 1MhD6W-1jY51U2Qc6-00eLHL; Sat, 25 Jan 2020 01:36:19 +0100 Subject: Re: [PATCH] btrfs: scrub: Require mandatory block group RO for dev-replace To: fdmanana@gmail.com, dsterba@suse.cz, Qu Wenruo , linux-btrfs , Filipe Manana References: <20200123235820.20764-1-wqu@suse.com> <20200124144409.GM3929@twin.jikos.cz> From: Qu Wenruo Autocrypt: addr=quwenruo.btrfs@gmx.com; prefer-encrypt=mutual; keydata= mQENBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAG0IlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT6JAU4EEwEIADgCGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCXZw1oQAKCRDC PZHzoSX+qCY6CACd+mWu3okGwRKXju6bou+7VkqCaHTdyXwWFTsr+/0ly5nUdDtT3yEVggPJ 3VP70wjlrxUjNjFb6iIvGYxiPOrop1NGwGYvQktgRhaIhALG6rPoSSAhGNjwGVRw0km0PlIN D29BTj/lYEk+jVM1YL0QLgAE1AI3krihg/lp/fQT53wLhR8YZIF8ETXbClQG1vJ0cllPuEEv efKxRyiTSjB+PsozSvYWhXsPeJ+KKjFen7ebE5reQTPFzSHctCdPnoR/4jSPlnTlnEvLeqcD ZTuKfQe1gWrPeevQzgCtgBF/WjIOeJs41klnYzC3DymuQlmFubss0jShLOW8eSOOWhLRuQEN BFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcgaCbPEwhLj 1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj/IrRUUka 68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fNGSsRb+pK EKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0q1eW4Jrv 0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEvABEBAAGJ ATwEGAEIACYCGwwWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCXZw1rgUJCWpOfwAKCRDCPZHz oSX+qFcEB/95cs8cM1OQdE/GgOfCGxwgckMeWyzOR7bkAWW0lDVp2hpgJuxBW/gyfmtBnUai fnggx3EE3ev8HTysZU9q0h+TJwwJKGv6sUc8qcTGFDtavnnl+r6xDUY7A6GvXEsSoCEEynby 72byGeSovfq/4AWGNPBG1L61Exl+gbqfvbECP3ziXnob009+z9I4qXodHSYINfAkZkA523JG ap12LndJeLk3gfWNZfXEWyGnuciRGbqESkhIRav8ootsCIops/SqXm0/k+Kcl4gGUO/iD/T5 oagaDh0QtOd8RWSMwLxwn8uIhpH84Q4X1LadJ5NCgGa6xPP5qqRuiC+9gZqbq4Nj Message-ID: Date: Sat, 25 Jan 2020 08:36:14 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="5jlYTtCp445N4OjTsKNm4lVPWjuxLpXUh" X-Provags-ID: V03:K1:TAuwo82qiHcDlAsZmef1UySo1AtrZTei7xNtO6w4USM8+6xTZXi CVlUu6bl9DtvhuEhOc8pSd2KhILTL8Oz87m9WsyNw7Jim0PjvoWmiphmLMIH0238zUXzwPH 53RaJ7omOQvPxTfQfGFwKK+VHvhJspQaZC6BIWBaQJdNzxAONXonooFWjcR7sCTKI0fTrJ7 4y53xtLsTMHBMOlKUE1Kw== X-UI-Out-Filterresults: notjunk:1;V03:K0:WYAmjTIVBP8=:tP/mzI2dyDQ1YS2g+Sd7vw thCnOd5qdE2uzhUVZDQnq9TMytre6nmib50tXYlNFBgWzZRqB9w90M6UybvkG80A0SCGGFuuf qiIcZKRzrZq2Jbme9FWhjJuUxSdQi+7CDtn4IB0FlEnVss6qHa2OkfVUOKwp66JeB1s9BdgTB /7JeIrNuwhqOFAoGZJnglEC2PVHh28aD7mWlUc7chL3U3J2kBXDjyyt+qfoCLtf2B2/AwNa5x L1F4S+mFbFXlWxBHhfcUS66jpKqXZlvyxn6VKe/szDGED0LRivZGkJT5Ax+7heaf7Qk3C108O 9VDYjzIg8p4DqWGL60V77wiJR6mmqiMZ6rKBnZMWAT+iDYzVaQ1xgN/25cpetsnUcyRnzxbDi lHGr8YYxpXFMKrrDl7WMW67IykHE3iVqd6hXqKInt9X++fAcN0zAUdaIUikIrxzaTlZizgL5D KmxdUTPJoWRvDttssEq7gTWIhRI4CwdMeW6K/MMIRqSDspyQzr/btjKwmkLEqsP7yBD98Q4Y9 FGuvnhhiz/Dp0Hag7iNhPJbQQylqHWoqTmIYdmZGpiTj+nWfdIJbTi7cwLlqUWyQy49zlJozO yFUa7Gk5GLC6fC6UOLHnpw+nA9rkiusXHY7XQV+BRpLKX7bbFCQ7G2J+GngnaB0yCIQoehNhU hfS9MWEPT3lX+qtqaWmgsei2ap92ZS9nME0B3S/M6XYSaLYY0T9F/IlRy8akA/14xmauf768U GI9vWDbRKuDuVAzM3LvSssx1TX9okM+m2D67UBfhIX3mKUbQ1pKXpVuRhQQLBBv1ueHRpCBAI dklW8WzV7ZBdnQMJx4nh+qRCuffQbV2/GzX/zioL8DYxPPDg0BMmKcNQFXHADZcsDV1zf6qoK n7kZ78uOlyiCgzg5UdYUocIFHpIWxc6eY58gYvwZ5E5qGQw8Ft8zzIqKBtDkpLhg0fCVGkCj8 tKaNkIMNKk3R/4EesyujsgWRJrjpqVQ44+YixIaONS6nkUFr62OZOQAQ/JL9sN23FAMTSpQMg OrgtoJfyoxGzy1+f7kMb7wLEwqI/ICd9N8gx6uNkoEBvE1t7/13kuWxAOM4RFtWc8W934Thyq Guniwk/6XbQsGX0lN3S5nJ8zCbVXkIxMcnlqHPGyPbrQYr0VYGMgcNkK/LhyPklcLF7h+E6fC RaqMb7O94Y5ARQat6YjZ3c5Vx7k0+B8s1J8i4bg1TtVhYKazHnCnW5bUMxRrnak58LTwPllgj kksIFbdhiK3p7QpnZ Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --5jlYTtCp445N4OjTsKNm4lVPWjuxLpXUh Content-Type: multipart/mixed; boundary="HYmE3wXafok3lIseZmbE6o620KuPGk4K9" --HYmE3wXafok3lIseZmbE6o620KuPGk4K9 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2020/1/25 =E4=B8=8A=E5=8D=8812:28, Filipe Manana wrote: > On Fri, Jan 24, 2020 at 3:12 PM David Sterba wrote: >> >> On current master branch (4703d9119972bf58) with this patch btrfs/011 >> prints a warning from this code: >> >> 502 ret =3D btrfs_dev_replace_finishing(fs_info, ret); >> 503 if (ret =3D=3D -EINPROGRESS) { >> 504 ret =3D BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPR= OGRESS; >> 505 } else if (ret !=3D -ECANCELED) { >> 506 WARN_ON(ret); >> 507 } >> >> with ret =3D=3D -ENOSPC >> >> The purpose seems to be to catch generic error codes other than >> EINPROGRESS and ECNACELED, I don't see much point printing a warning i= n >> that case. But it' a new ENOSPC problem, likely caused by the >> read-only status switching. >> >> My test devices are 12G, there's full log of the test to see at which >> phase it happened. >=20 > It passes for me on 20G devices, haven't tested with 12G however > (can't afford to reboot any of my vms now). 5G for all scratch devices, and failed to reproduce it. (The full run before submitting the patch also failed to reproduce it) >=20 > I think that happens because before this patch we ignored ENOSPC > errors, when trying to set a block group to RO, for device replace and > scrub. > But with this patch we don't ignore ENOSPC for device replace anymore > - this is actually correct because if we ignore we can corrupt nocow > writes (including writes into prealloc extents). >=20 > Now if it's a real ENOSPC situation or just a bug in the space > management code, it's a different thing to look at. I tend to take a middle land of the problem. For current stage, the WARN_ON() is indeed overkilled, at least for ENOSP= C. But on the other handle, the full RO of a block group for scrub/replace is also a little overkilled. Just as Filipe mentioned, we only want to kill nocow writes into a block group, but still allow COW writes. It looks like something like mark_block_group_nocow_ro() in the future could reduce the possibility if not fully kill it. It looks like changing the WARN_ON(ret) to WARN_ON(ret !=3D -ENOSPC) woul= d be needed for this patch as a quick fix. Thanks, Qu >=20 > Thanks. >=20 >> >> [ 1891.998975] BTRFS warning (device vdd): failed setting block group = ro: -28 >> [ 1892.038338] BTRFS error (device vdd): btrfs_scrub_dev(/dev/vdd, 1, = /dev/vdb) failed -28 >> [ 1892.059993] ------------[ cut here ]------------ >> [ 1892.063032] WARNING: CPU: 2 PID: 2244 at fs/btrfs/dev-replace.c:506= btrfs_dev_replace_start.cold+0xf9/0x140 [btrfs] >> [ 1892.068628] Modules linked in: xxhash_generic btrfs blake2b_generic= libcrc32c crc32c_intel xor zstd_decompress zstd_compress xxhash lzo_comp= ress lzo_decompress raid6_pq loop >> [ 1892.074346] CPU: 2 PID: 2244 Comm: btrfs Not tainted 5.5.0-rc7-defa= ult+ #942 >> [ 1892.076559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), = BIOS rel-1.12.0-59-gc9ba527-rebuilt.opensuse.org 04/01/2014 >> [ 1892.079956] RIP: 0010:btrfs_dev_replace_start.cold+0xf9/0x140 [btrf= s] >> [ 1892.096576] RSP: 0018:ffffbb58c7b3fd10 EFLAGS: 00010286 >> [ 1892.098311] RAX: 00000000ffffffe4 RBX: 0000000000000001 RCX: 888888= 8888888889 >> [ 1892.100342] RDX: 0000000000000001 RSI: ffff9e889645f5d8 RDI: ffffff= ff92821080 >> [ 1892.102291] RBP: ffff9e889645c000 R08: 000001b8878fe1f6 R09: 000000= 0000000000 >> [ 1892.104239] R10: ffffbb58c7b3fd08 R11: 0000000000000000 R12: ffff9e= 88a0017000 >> [ 1892.106434] R13: ffff9e889645f608 R14: ffff9e88794e1000 R15: ffff9e= 88a07b5200 >> [ 1892.108642] FS: 00007fcaed3f18c0(0000) GS:ffff9e88bda00000(0000) k= nlGS:0000000000000000 >> [ 1892.111558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 1892.113492] CR2: 00007f52509ff420 CR3: 00000000603dd002 CR4: 000000= 0000160ee0 >> [ 1892.115814] Call Trace: >> [ 1892.116896] btrfs_dev_replace_by_ioctl+0x35/0x60 [btrfs] >> [ 1892.118962] btrfs_ioctl+0x1d62/0x2550 [btrfs] >> [ 1892.120633] ? __lock_acquire+0x272/0x1320 >> [ 1892.122177] ? kvm_sched_clock_read+0x14/0x30 >> [ 1892.123629] ? do_sigaction+0xf8/0x240 >> [ 1892.124919] ? kvm_sched_clock_read+0x14/0x30 >> [ 1892.126418] ? sched_clock+0x5/0x10 >> [ 1892.127534] ? sched_clock_cpu+0x10/0x120 >> [ 1892.129096] ? do_sigaction+0xf8/0x240 >> [ 1892.130525] ? do_vfs_ioctl+0x56e/0x770 >> [ 1892.131818] do_vfs_ioctl+0x56e/0x770 >> [ 1892.133012] ? do_sigaction+0xf8/0x240 >> [ 1892.134228] ksys_ioctl+0x3a/0x70 >> [ 1892.135447] ? trace_hardirqs_off_thunk+0x1a/0x1c >> [ 1892.137148] __x64_sys_ioctl+0x16/0x20 >> [ 1892.138702] do_syscall_64+0x50/0x210 >> [ 1892.140095] entry_SYSCALL_64_after_hwframe+0x49/0xbe >> [ 1892.141911] RIP: 0033:0x7fcaed61e387 >> [ 1892.149247] RSP: 002b:00007ffcb47fc2f8 EFLAGS: 00000246 ORIG_RAX: 0= 000000000000010 >> [ 1892.151839] RAX: ffffffffffffffda RBX: 00007ffcb47ff12d RCX: 00007f= caed61e387 >> [ 1892.154060] RDX: 00007ffcb47fd160 RSI: 00000000ca289435 RDI: 000000= 0000000003 >> [ 1892.156191] RBP: 0000000000000004 R08: 0000000000000000 R09: 000000= 0000000000 >> [ 1892.158317] R10: 0000000000000008 R11: 0000000000000246 R12: 000000= 0000000003 >> [ 1892.160564] R13: 0000000000000001 R14: 0000000000000000 R15: 000056= 24ff1602e0 >> [ 1892.162736] irq event stamp: 244626 >> [ 1892.164191] hardirqs last enabled at (244625): [= ] _raw_spin_unlock_irqrestore+0x3e/0x50 >> [ 1892.167531] hardirqs last disabled at (244626): [= ] trace_hardirqs_off_thunk+0x1a/0x1c >> [ 1892.170875] softirqs last enabled at (244482): [= ] __do_softirq+0x358/0x52b >> [ 1892.174005] softirqs last disabled at (244471): [= ] irq_exit+0x9d/0xb0 >> [ 1892.176555] ---[ end trace d72b653b61eb7d20 ]--- >> [failed, exit status 1] [14:22:59]- output mismatch (see /tmp/fstests/= results//btrfs/011.out.bad) >> --- tests/btrfs/011.out 2018-04-12 16:57:00.608225550 +0000 >> +++ /tmp/fstests/results//btrfs/011.out.bad 2020-01-24 14:22:59.24= 8000000 +0000 >> @@ -1,3 +1,4 @@ >> QA output created by 011 >> *** test btrfs replace >> -*** done >> +failed: '/sbin/btrfs replace start -Bf -r /dev/vdd /dev/vdb /tmp/= scratch' >> +(see /tmp/fstests/results//btrfs/011.full for details) >> ... >> (Run 'diff -u /tmp/fstests/tests/btrfs/011.out /tmp/fstests/result= s//btrfs/011.out.bad' to see the entire diff) >> >> btrfs/011 [13:59:50][ 504.570047] run fstests btrfs/011= at 2020-01-24 13:59:50 >> [ 505.710501] BTRFS: device fsid cd48459b-2332-425b-9d4e-324021eb0f2a= devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (20824) >> [ 505.740305] BTRFS info (device vdb): turning on discard >> [ 505.742954] BTRFS info (device vdb): disk space caching is enabled >> [ 505.745007] BTRFS info (device vdb): has skinny extents >> [ 505.747096] BTRFS info (device vdb): flagging fs with big metadata = feature >> [ 505.755093] BTRFS info (device vdb): checking UUID tree >> [ 521.548385] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc started >> [ 525.294200] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc finished >> [ 526.798086] BTRFS info (device vdb): scrub: started on devid 1 >> [ 528.104425] BTRFS info (device vdb): scrub: finished on devid 1 wit= h status: 0 >> [ 528.393736] BTRFS info (device vdc): turning on discard >> [ 528.396009] BTRFS info (device vdc): disk space caching is enabled >> [ 528.398144] BTRFS info (device vdc): has skinny extents >> [ 528.597381] BTRFS: device fsid 20fd7216-ce75-4761-bb61-a5819aef05b6= devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (27027) >> [ 528.626562] BTRFS info (device vdb): turning on discard >> [ 528.629852] BTRFS info (device vdb): disk space caching is enabled >> [ 528.633442] BTRFS info (device vdb): has skinny extents >> [ 528.640914] BTRFS info (device vdb): checking UUID tree >> [ 548.785255] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc started >> [ 551.256550] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc finished >> [ 557.620409] BTRFS info (device vdb): scrub: started on devid 1 >> [ 559.258036] BTRFS info (device vdb): scrub: finished on devid 1 wit= h status: 0 >> [ 559.646237] BTRFS info (device vdc): turning on discard >> [ 559.649237] BTRFS info (device vdc): disk space caching is enabled >> [ 559.652122] BTRFS info (device vdc): has skinny extents >> [ 561.076431] BTRFS: device fsid e8c0f848-fd83-4401-95ff-503d3bba3c08= devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (750) >> [ 561.103870] BTRFS info (device vdb): turning on discard >> [ 561.106896] BTRFS info (device vdb): disk space caching is enabled >> [ 561.110432] BTRFS info (device vdb): has skinny extents >> [ 561.113446] BTRFS info (device vdb): flagging fs with big metadata = feature >> [ 561.121762] BTRFS info (device vdb): checking UUID tree >> [ 576.690406] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc started >> [ 581.249317] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc finished >> [ 584.252317] BTRFS info (device vdb): scrub: started on devid 1 >> [ 585.192576] BTRFS info (device vdb): scrub: finished on devid 1 wit= h status: 0 >> [ 586.225905] BTRFS info (device vdc): turning on discard >> [ 586.229054] BTRFS info (device vdc): disk space caching is enabled >> [ 586.231819] BTRFS info (device vdc): has skinny extents >> [ 586.599308] BTRFS: device fsid dd789d35-4d2f-428c-aa03-88ffd5a734cb= devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (6931) >> [ 586.628325] BTRFS info (device vdb): turning on discard >> [ 586.630954] BTRFS info (device vdb): disk space caching is enabled >> [ 586.634146] BTRFS info (device vdb): has skinny extents >> [ 586.636859] BTRFS info (device vdb): flagging fs with big metadata = feature >> [ 586.645020] BTRFS info (device vdb): checking UUID tree >> [ 608.342513] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc started >> [ 611.869495] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc canceled >> [ 646.226962] BTRFS info (device vdb): scrub: started on devid 1 >> [ 652.537808] BTRFS info (device vdb): scrub: finished on devid 1 wit= h status: 0 >> [ 654.148332] BTRFS info (device vdb): turning on discard >> [ 654.152563] BTRFS info (device vdb): disk space caching is enabled >> [ 654.157499] BTRFS info (device vdb): has skinny extents >> [ 655.318709] BTRFS: device fsid cc2a56c5-5371-4b14-88af-527515683491= devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (14080) >> [ 655.341656] BTRFS info (device vdb): turning on discard >> [ 655.344075] BTRFS info (device vdb): disk space caching is enabled >> [ 655.346723] BTRFS info (device vdb): has skinny extents >> [ 655.355368] BTRFS info (device vdb): checking UUID tree >> [ 688.140556] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc started >> [ 696.723022] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdc finished >> [ 707.940962] BTRFS info (device vdb): scrub: started on devid 1 >> [ 711.456414] BTRFS info (device vdb): scrub: finished on devid 1 wit= h status: 0 >> [ 719.263299] BTRFS info (device vdc): turning on discard >> [ 719.266339] BTRFS info (device vdc): disk space caching is enabled >> [ 719.269694] BTRFS info (device vdc): has skinny extents >> [ 722.816437] BTRFS: device fsid 9d18355e-3861-4506-a847-b18a0f36a046= devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (20268) >> [ 722.821079] BTRFS: device fsid 9d18355e-3861-4506-a847-b18a0f36a046= devid 2 transid 5 /dev/vdc scanned by mkfs.btrfs (20268) >> [ 722.821079] BTRFS: device fsid 9d18355e-3861-4506-a847-b18a0f36a046= devid 2 transid 5 /dev/vdc scanned by mkfs.btrfs (20268) >> [ 722.850081] BTRFS info (device vdb): turning on discard >> [ 722.853321] BTRFS info (device vdb): disk space caching is enabled >> [ 722.855710] BTRFS info (device vdb): has skinny extents >> [ 722.857894] BTRFS info (device vdb): flagging fs with big metadata = feature >> [ 722.866879] BTRFS info (device vdb): checking UUID tree >> [ 738.622392] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdd started >> [ 739.728325] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdd finished >> [ 740.017266] BTRFS info (device vdb): scrub: started on devid 1 >> [ 740.017277] BTRFS info (device vdb): scrub: started on devid 2 >> [ 740.714789] BTRFS info (device vdb): scrub: finished on devid 2 wit= h status: 0 >> [ 740.714965] BTRFS info (device vdb): scrub: finished on devid 1 wit= h status: 0 >> [ 741.234158] BTRFS info (device vdd): turning on discard >> [ 741.237294] BTRFS info (device vdd): disk space caching is enabled >> [ 741.240088] BTRFS info (device vdd): has skinny extents >> [ 741.485130] BTRFS: device fsid ad5bec99-e695-4960-b622-18a890a2a566= devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (26509) >> [ 741.489012] BTRFS: device fsid ad5bec99-e695-4960-b622-18a890a2a566= devid 2 transid 5 /dev/vdc scanned by mkfs.btrfs (26509) >> [ 741.517997] BTRFS info (device vdb): turning on discard >> [ 741.522388] BTRFS info (device vdb): disk space caching is enabled >> [ 741.527084] BTRFS info (device vdb): has skinny extents >> [ 741.528865] BTRFS info (device vdb): flagging fs with big metadata = feature >> [ 741.536809] BTRFS info (device vdb): checking UUID tree >> [ 803.614447] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdd started >> [ 1561.888757] BTRFS info (device vdb): dev_replace from /dev/vdb (dev= id 1) to /dev/vdd finished >> [ 1563.133038] BTRFS info (device vdb): scrub: started on devid 2 >> [ 1563.133043] BTRFS info (device vdb): scrub: started on devid 1 >> [ 1851.421233] BTRFS info (device vdb): scrub: finished on devid 2 wit= h status: 0 >> [ 1857.639294] BTRFS info (device vdb): scrub: finished on devid 1 wit= h status: 0 >> [ 1869.454605] BTRFS info (device vdd): turning on discard >> [ 1869.458972] BTRFS info (device vdd): disk space caching is enabled >> [ 1869.461062] BTRFS info (device vdd): has skinny extents >> [ 1891.972499] BTRFS info (device vdd): dev_replace from /dev/vdd (dev= id 1) to /dev/vdb started >> [ 1891.998975] BTRFS warning (device vdd): failed setting block group = ro: -28 >> [ 1892.038338] BTRFS error (device vdd): btrfs_scrub_dev(/dev/vdd, 1, = /dev/vdb) failed -28 >> (stacktrace) >=20 >=20 >=20 --HYmE3wXafok3lIseZmbE6o620KuPGk4K9-- --5jlYTtCp445N4OjTsKNm4lVPWjuxLpXUh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl4rjX4ACgkQwj2R86El /qjnDwf/TDe+xdQ2ZoQl5LxptLur5qdJUcIX18unhNm/qRwtDeBRR/x9xblWk0hS X0D9Z8S3F7iuOiBn2kRsBoy+g/PSU8a0FijYWnxEUFWhX4cY2EmzUGD6ilX79knh jYZCyieKaE7g5DGKeeZDzRYeRzV7Nx33vZYv7+sLCdIWTYtd5/Lrz6VsJDxKaaOg b6MWmBhnZBPXFRBH0DHiSgoEbcuOo7F0BTZG8GWRrhgEvLC4DTY5UF7F4j0Qnbkf 28HcMiDyKmM+213rVHWVH18WkvTiJr8CeYJ/Hf5CiiD5pX3J1KlwqFtrM/fqz6mo F32bXCF29ujC03K5qD9wHHEoB4ilzA== =t5ul -----END PGP SIGNATURE----- --5jlYTtCp445N4OjTsKNm4lVPWjuxLpXUh--