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 46ACEC77B73 for ; Tue, 6 Jun 2023 18:26:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231750AbjFFS02 (ORCPT ); Tue, 6 Jun 2023 14:26:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238424AbjFFS01 (ORCPT ); Tue, 6 Jun 2023 14:26:27 -0400 Received: from len.romanrm.net (len.romanrm.net [91.121.86.59]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A1EC171B for ; Tue, 6 Jun 2023 11:26:03 -0700 (PDT) Received: from nvm (nvm.home.romanrm.net [IPv6:fd39::101]) by len.romanrm.net (Postfix) with SMTP id 045E640176; Tue, 6 Jun 2023 18:25:58 +0000 (UTC) Date: Tue, 6 Jun 2023 23:25:58 +0500 From: Roman Mamedov To: Marc MERLIN Cc: Andrei Borzenkov , linux-btrfs@vger.kernel.org, Qu Wenruo , wqu@suse.com Subject: Re: How to find/reclaim missing space in volume Message-ID: <20230606232558.00583826@nvm> In-Reply-To: <20230606164139.GK105809@merlins.org> References: <20230605162636.GE105809@merlins.org> <9bfa8bb6-b64e-d34f-f9c8-db5f9510fc29@gmail.com> <20230606014636.GG105809@merlins.org> <295ce1bb-bcd7-ebdf-96b2-230cfeff5871@gmail.com> <20230606164139.GK105809@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, 6 Jun 2023 09:41:39 -0700 Marc MERLIN wrote: > This sounds like it could be the same, thanks. > > I started with > sauron:/mnt/btrfs_pool2# btrfs subvolume sync `pwd` > > Unfortunately it's been stuck overnight. So it does not look the same after all. Do you see a lot of IO to the device (iostat, iotop)? Is it a fast/slow one? Anything in dmesg? -- With respect, Roman