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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 84CADC54E4B for ; Sun, 10 May 2020 06:17:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69531208E4 for ; Sun, 10 May 2020 06:17:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725810AbgEJGRO (ORCPT ); Sun, 10 May 2020 02:17:14 -0400 Received: from ipmail03.adl2.internode.on.net ([150.101.137.141]:45577 "EHLO ipmail03.adl2.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725764AbgEJGRO (ORCPT ); Sun, 10 May 2020 02:17:14 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2BmAwDvm7de/9y5pztmGwEBAQEBAQE?= =?us-ascii?q?BBQEBARIBAQEDAwEBAUCBRwKCKIFEMoRQjnmBZC2bYAsBPAECBAEBhEQCgg4?= =?us-ascii?q?kOQUNAhABAQYBAQEBAQUEbYVihXEBAQEBAgEjVgULCw4KAgImAgI8GwYNCAE?= =?us-ascii?q?BgyKCXR+tK3aBMokVgUAibCqMRBqCAIERJw+CWj5phnmCYASOJIpzgU+HdZA?= =?us-ascii?q?QgTmBG4EDlx8jnTqvWSGBVjMaCBcZgyVPGA2QTBeONy8DZwIGCAEBAwlZAQG?= =?us-ascii?q?LcASCQQEB?= Received: from podling.glasswings.com.au ([59.167.185.220]) by ipmail03.adl2.internode.on.net with ESMTP; 10 May 2020 15:47:11 +0930 Received: from dash ([192.168.21.15]) by podling.glasswings.com.au with esmtp (Exim 4.89) (envelope-from ) id 1jXfGu-0004WU-Fi; Sun, 10 May 2020 16:17:08 +1000 Subject: Re: btrfs-progs reports nonsense scrub status To: Chris Murphy Cc: Graham Cobb , Btrfs BTRFS References: <0d1cceb6-9295-1bdf-c427-60ba9b1ef0b3@sericyb.com.au> <709e4c3f-15b3-3c8a-2b25-ea95f4958999@sericyb.com.au> <8ceacc86-96b7-44d2-d48d-234c6c4b45de@sericyb.com.au> <8ab9f20d-eff0-93bf-a4a4-042473b4059e@sericyb.com.au> <04f481fd-b8e5-7df6-d547-ece9ab6b8154@sericyb.com.au> From: Andrew Pam Autocrypt: addr=andrew@sericyb.com.au; prefer-encrypt=mutual; keydata= mQGiBEPPxa8RBACcBTuSu02Fi+ZhvFj8wYJa8P2xF2djPveAkV5iuv/b1OTlzcdC7yJwNKq8 STgXoe2C9orhZ+3lO0iIwCkZpYj3purc1CojYE0bFh8EAW85usWox+Nrqsb6JYaoJk0ekyfM gogjKGf7MUg4lDwfg1D6iiWJ0Dk6OZwARo9u97sqswCgwki1jozMbKx8LhkzbeNAonRxADED /2HcSy+OsR2byqdX2BbaZppXZJEzclQNR7BiSwTPVoOX0jcHY0Sn8rdBUlagSEhv4YJ4Tdwd QhPs3qcrFm2GQnStV19cLJ1DvO3TfLEikSetWotBv/6RanXRZRweRE4pm/zZMxX6+zcib+jb +UlFg7MSyu+z50g0Bf4b5xH6AW/DBACAsgsJaaD1lDOdFMK7jnUiYXI0Y+LfHJ6xOukYUNqC Yaxbw4Bk60DeP7hwUfVPMMxIJZdN+WsrtkijppJG6La9KqapYPu3ByapaLoIjtBOeTJfhcDN mcAqZaxDhZ6eIMi+IOyS6/2MK76aLEpYY+0+M8mzUZ3LXi/blYVbS7urobQkQW5kcmV3IFBh bSA8eGFubmlAZ2xhc3N3aW5ncy5jb20uYXU+iGEEExECACECGwMGCwkIBwMCAxUCAwMWAgEC HgECF4AFAkPPySICGQEACgkQGk9LI6KtAU50ZwCeJfVJEMTSK71XD+WR8z9stEhPovYAniEn wBEAHXMO4MlxJPMmnYJWG/rbuQINBEPPxbQQCADZy6E8nqM+1s3t1UaIKzGzF8PuA0R+/Zx3 5Uh4jHHoJyFt/uuJxyJzOrq9Ilz+fWXOrXK44Ga3wOQ6yR9tIhrGNoQ97Y2S5RSufjNVstS1 otA0N3a6nUz44rAPwXfFhMKTlUjfUwuvQik3yEF1kyXEU7o78G/XG06M/9s1ur1k4hFvAfCE y/fXztx86bC5vlDq2r1MAwE+fMJG/Ok21OekdY0D3KrZ1kOi4kYgRoVIGlgfJE3OXi6W8Lko c/oO0UUtEoiKGGOBTewmU8N6G2F3OXiONnZIY+FD/NIe+3YAEWAIc5SoXQs4KCmNxaF6vxRQ STBOX2A9Y+LfY4lx5+HzAAMFB/9g0VGTdvnQvogs/0b+FdfvPVflwhbW9VMF12kWwgx9q0Gw xcWO8IJWlFQouam5u2QMVMKxsscphAPjWDYP8BVGWFx32/Z5XZnp2xOqjaFSG9BfbEqIUizL 9AEClL04eBKGmVrhPzr2d0Z7DgF5gxehVYZ7m9dW7heFnuiC+ZaYEGRvfyWsWsOihoDkbify Ms1RluUU23wKJFaZzafAX4caD9u3bIUaujKUGCh64nLkaxwmZD2QBw0T9jGCIssVCRHwQmTV 25eADYmSEwf3ONk4ljzfupTOpCLtNapGc3vZO84CQSv9bl3l24uBvVRWaqLJMO0NzAn+qbes U3w6WMBCiEkEGBECAAkFAkPPxbUCGwwACgkQGk9LI6KtAU59IACggRqLORG73pZUK1pRh02T 5kUwjTQAn1F0m2Mx72juiYwF0IKljJ7lR0TR Organization: Serious Cybernetics Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAALVBMVEUrHhk8LSRTQTZuVkmC UkaKalykaGZ3h7KmgG+ahH68lYWXn7mxmpTSqZ3CvLqleibHAAACZElEQVQ4y3XUPWvbQBgH8FOg Qzef3EKnEp+qIaOlGJzFi+Xg0YMFcoeMod/AFDpksMpxeHCSZhAYUxoo8mF16NylLYXUCG2F1uSW eCimJp+hz+nNctKesTH30/P87ySf0e1/Bsq/hZ4X/Qu+XxiEHNyH9blBsEoOorvwzSQVjAnRJtuw Mkk6MknhnGBSIQRiiF6ElZzNxlEBzpIuEKMSrG1gbaQXQz7GaiOHVd5GSpISw42cg0vlJ6TFC0NJ BOwuAaKZBmlkQGAKIwWrmrnv2K66l8KqUlFxCSFFo5T5jMchEpYyEqFS+bkQgge8qqVwI6ehoB4I ORYdNYUvGCswr3ORwImSA4KXzpICIU7QJIHTkoIVnaUFQoxQIwVopTi8AEcJVHFJ2QGAxUK3qTfK WlUhAYD6rsXEomt3snAAJMGtWW3xo+V0djKAxe4w7jf33rSDS3IxepjCLuyuzAJOx/RF4Pfo26cZ QMVjyPUpo8HPY/Y5u7tVqHhEYUELzgN4v4tSOEWK8ozG2wAIxK/sCS5RmeiUSfCDhRAfMljjJ4NW AvH9ivJnXn3wvhXvesGYCDYQjtAhAIRw65BynsMZLMqiVC7Jtdqc5z+4pYn0rsM453PP7s1nOawN pTaQMPW45403cLvENWoDuA6bTZ0CfC3VqQ0Z/BgGnRQqUJ26stdrAD/aAh6X+F2rPS0cnBWAbycl bFg8UbsAru3wQISzqAgf63xOu7YXhqG3dWr7tWHgD0yz53lbx/lP/+U4hNvRNMza1h/A737/U3h9 1d1vNnt3oR9eh65tO8N78CoMr2CT4wz+AgHlxhkkWxq2AAAAAElFTkSuQmCC Message-ID: Date: Sun, 10 May 2020 16:17:08 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 10/5/20 6:33 am, Chris Murphy wrote: > Things to verify: > > 1. That a scrub started, and allowed to finish without any > interruption, does finish. This is the only experience I have, but I'm > wondering whether you've tried this just to eliminate the possibility > of some weird multiple device scrub bug; or possibly something unique > about your file system state. Completed successfully with no issues, and I was running Thunderbird and Firefox plus playing "Chimera Squad" using Steam Proton while the scrub was running to exercise the system. :) $ sudo btrfs scrub status -d /home UUID: 85069ce9-be06-4c92-b8c1-8a0f685e43c6 scrub device /dev/sda (id 1) history Scrub started: Sun May 10 07:48:43 2020 Status: finished Duration: 7:35:14 Total to scrub: 3.69TiB Rate: 140.47MiB/s Error summary: no errors found scrub device /dev/sdb (id 2) history Scrub started: Sun May 10 07:48:43 2020 Status: finished Duration: 7:35:14 Total to scrub: 3.69TiB Rate: 140.47MiB/s Error summary: no errors found [17537.701685] BTRFS info (device sda): scrub: started on devid 2 [17537.701686] BTRFS info (device sda): scrub: started on devid 1 [44851.445348] BTRFS info (device sda): scrub: finished on devid 2 with status: 0 [44851.476413] BTRFS info (device sda): scrub: finished on devid 1 with status: 0 > 2. That a scrub started, then cancelled, then resumed, also does > finish (or not). I will test this next. Thanks, Andrew