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=-2.2 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 AAFFAC32771 for ; Thu, 9 Jan 2020 11:16:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 869832053B for ; Thu, 9 Jan 2020 11:16:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730565AbgAILQv (ORCPT ); Thu, 9 Jan 2020 06:16:51 -0500 Received: from mail.itouring.de ([188.40.134.68]:45044 "EHLO mail.itouring.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728918AbgAILQv (ORCPT ); Thu, 9 Jan 2020 06:16:51 -0500 Received: from tux.applied-asynchrony.com (p5B07E981.dip0.t-ipconnect.de [91.7.233.129]) by mail.itouring.de (Postfix) with ESMTPSA id B9B0D416D37E; Thu, 9 Jan 2020 12:16:49 +0100 (CET) Received: from [192.168.100.223] (ragnarok.applied-asynchrony.com [192.168.100.223]) by tux.applied-asynchrony.com (Postfix) with ESMTP id 797AAF015C3; Thu, 9 Jan 2020 12:16:49 +0100 (CET) Subject: Re: btrfs scrub: cancel + resume not resuming? From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= To: Graham Cobb , =?UTF-8?Q?Sebastian_D=c3=b6ring?= , linux-btrfs@vger.kernel.org References: <71add409-04ad-c6be-4f4f-5eec4ffb167c@cobb.uk.net> Organization: Applied Asynchrony, Inc. Message-ID: <5a54869e-e268-2423-3a51-a8752d355c92@applied-asynchrony.com> Date: Thu, 9 Jan 2020 12:16:49 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 1/9/20 12:05 PM, Holger Hoffstätte wrote: > $cat test-scrub > #!/bin/sh > btrfs scrub start /mnt/backup > sleep 30 > btrfs scrub status -R /mnt/backup > btrfs scrub cancel /mnt/backup > btrfs scrub resume /mnt/backup > sleep 10 > btrfs scrub status -R /mnt/backup > [snip] >     last_physical: 3591372800 >         ^^^^^^^^^^^^^^^^^^^^^^^^^ [snip] >     last_physical: 923205632 >         ^^^^^^^^^^^^^^^^^^^^^^^^ > > Not sure what I'm doing wrong ;) AARGH. What I'm doing wrong is that I can't read and that it indeed seems to start from the beginning. Nice catch! -h