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 D6CC1C433EF for ; Fri, 1 Apr 2022 11:14:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242352AbiDALPy (ORCPT ); Fri, 1 Apr 2022 07:15:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51924 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237488AbiDALPx (ORCPT ); Fri, 1 Apr 2022 07:15:53 -0400 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5CA4EA760 for ; Fri, 1 Apr 2022 04:14:03 -0700 (PDT) Received: by mail-ej1-x62e.google.com with SMTP id bq8so5077145ejb.10 for ; Fri, 01 Apr 2022 04:14:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:subject:to:cc:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=LCePTVvVP6NNXN0nV1wIves547GSNi8TXNroUTBpaRk=; b=ajQ0nFxQZt0uuGIZZLgt4Lds8zLc2ItjrBlbUGWS8oiZwtWKcLwWQg011k6FtAFKkB wpjC/pSkZHzY19DFtOvk2P0YqFOBnzlfYLirlPwgLmGR74/5x2pT4m1anKgEySiiX2ge 99ZcBT0aN9x6ZJeiuJoK3L0S9nsC3077aGuac2kbZ2Dj5hGHqHtcvduvMMUyFP9hwFM7 W7jumqjfVvCElV4yobdWfbQ6vd3zUD5rfle6Tj7j/X90q2Wf1M4ibzS5ENf0OYthd+D/ 0miM1rMecFRTUrnFlKZSEn2crhr80eVmn90DXs67REuh3/v4fPKR8r947ImG+Ac4Xfuc QF3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:subject:to:cc:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=LCePTVvVP6NNXN0nV1wIves547GSNi8TXNroUTBpaRk=; b=GHndJkgs98/N6bG8cHvDnklX8iWPFPPRr1Ejfp9VQolGYpcam0wPHyhuy2XUXFdBb1 LaLMV9Hv/UhLUdiDfD/S1C3Rde2F3AnaFHuOAY3li6M6ly/LmoRKFE7y+uhjSXEyQX8U d/w6dvNxmEfdfmw0TqOP8U450rLsyehjFln1I40LBIYD1zezBvlv24kNQqLBd23hcjvV OC87qWr5XKLyaYklj4W+uPM4GodpYqAwrkVabAbaiz2BDde2pC6JOLiYpHT7TV1J5Jqz cbAM2ipMGRAjmYFndsb9wKE12Mww6IZWvJ/nE15T/eQRCmEH6gz45EWLlrvLZXielvnK DS7A== X-Gm-Message-State: AOAM533VHbxBGVy0q01LqJ2MJFRH/sYqrPrQM5sExK2QUcNB51/DMAfu rxANebadZnX50xW3t+obuub2gxCUxbM= X-Google-Smtp-Source: ABdhPJxIkgemsnPxJLcJU0UpYYqFF8TmkOziBuKJC7eXAj0nqaOkZTWjFvO+W4HdlletTQ/QiBcyQQ== X-Received: by 2002:a17:906:2646:b0:6d5:d889:c92b with SMTP id i6-20020a170906264600b006d5d889c92bmr9211405ejc.696.1648811642290; Fri, 01 Apr 2022 04:14:02 -0700 (PDT) Received: from ?IPv6:2a02:587:af09:1bb8:e04b:d138:63fd:e7c0? ([2a02:587:af09:1bb8:e04b:d138:63fd:e7c0]) by smtp.googlemail.com with ESMTPSA id v20-20020a056402349400b00419651e513asm1111562edc.45.2022.04.01.04.14.01 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Apr 2022 04:14:01 -0700 (PDT) From: Konstantinos Skarlatos Subject: Adding a 4TB disk to a 2x4TB btrfs (data:single) filesystem and balancing takes extremely long (over a month). Filesystem has been deduped with bees To: linux-btrfs@vger.kernel.org Cc: ce3g8jdj@umail.furryterror.org Message-ID: <8a536fe1-68bd-4136-8cfb-bd410afc5fa1@gmail.com> Date: Fri, 1 Apr 2022 14:13:58 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hello, I am running btrfs on 2x 4TB HDDs (data: single, metadata: raid1) and i added another 4TB disk. According to btrfs wiki i should run balance after adding the new device. My problem is that this balance takes extremely long, it is running for 4 days and it still has 91% left. Is this normal, and can i do anything to fix this? kernel is linux-5.17.1, i have also tried with 5.16 kernels. mount options are: rw,relatime,compress-force=zstd:11,space_cache=v2 I have been using bees for dedup, but it is disabled for the balance. I am not doing any IO on the disks, they have no smart errors, and none of them are SMR (2x WD40EFRX and 1x ST4000DM000) Autodefrag is disabled, and i also have checked that the disks are in stable drive cages in order to be sure i have no problems with vibration. Benchmarking them gives normal speeds. Quotas have never been enabled.