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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 B7012C43219 for ; Thu, 25 Apr 2019 13:43:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30F93206C0 for ; Thu, 25 Apr 2019 13:43:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=inflaton.co.jp header.i=@inflaton.co.jp header.b="jNDLzFvr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727053AbfDYNnF (ORCPT ); Thu, 25 Apr 2019 09:43:05 -0400 Received: from mailgw1-55.conoha.ne.jp ([163.44.187.55]:23974 "EHLO mailgw1.conoha.ne.jp" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725900AbfDYNnF (ORCPT ); Thu, 25 Apr 2019 09:43:05 -0400 X-Greylist: delayed 517 seconds by postgrey-1.27 at vger.kernel.org; Thu, 25 Apr 2019 09:43:04 EDT Received: from mail1.conoha.ne.jp (unknown [172.16.42.13]) by mailgw1.conoha.ne.jp (Postfix) with ESMTP id 2CBCC180135709 for ; Thu, 25 Apr 2019 22:34:26 +0900 (JST) Received: from hydrangea (p191169-ipngn6801hodogaya.kanagawa.ocn.ne.jp [124.87.185.169]) by mail1.conoha.ne.jp (Postfix) with ESMTPSA id 03D1B200CD4C4 for ; Thu, 25 Apr 2019 22:34:25 +0900 (JST) DKIM-Filter: OpenDKIM Filter v2.11.0 mail1.conoha.ne.jp 03D1B200CD4C4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inflaton.co.jp; s=default; t=1556199266; bh=dU3S1vRM+p5uyG5BscSiRoZuBKKXbo/5N1p94lq9q88=; h=Date:From:To:Subject:From; b=jNDLzFvrQrNcXtiWEqdidxJ8PUzYxrTo/lgMOnrLhmoq/lDqI2wa7AxY3eITNLN2L NNB34gZB4tR/R0AZBX5KDGODAFTcj3Y8WWWdNHvocVRJe5CmfjbnfnN9E2DeZjD8qa 51Wq1oUjdXH7QpsraOrOLX1RivVvHJN/xeIKhX/xLPcViNJobskv27UI5XAgZzxTno 9e3wpH6rsg8+Qbq/7kwIgGWRDWPADXEBW39skrHfnI3HPyKUQjguSy5nfckqAVxu2I vfYA1pgbOWzXv2j0Lfy1PJlGnEe8h5sq7OYkVBjERVWDJZqjKxoEaskg8stu4qTesi EJZxEWOMl5xTw== Date: Thu, 25 Apr 2019 22:34:57 +0900 From: MASAKI Haruka To: linux-btrfs@vger.kernel.org Subject: Some file lost when send back snapshot. Message-ID: <20190425223457.5a7dfd20@hydrangea> Organization: Inflaton, Inc. X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org I send snapshot from backup volume, and send new snaopshot to backup volume, and some file lost in received volume. In detail: 1. Host A has new Btrfs volume and Host B have two backuped readonly subvolumes (190312-010100, 190315-001000). 2. Host B send 190315-001000 subvolume to Host A. 3. Host A completely received (all files exist.) 4. Host B took new readonly snapshot "back1" on 190315-001000 (all files exist.) 5. Host B send back1 with `-p 190315-001000` to Host A (some file lost.) 6. Host B took new read-writable snapshot "world" on back1 (all files exist.) 7. Host B modified world. 8. Host B took new readonly snapshot "back2" on world (all files exist.) 9. Host B send back2 with `-p 190315-001000` to Host A (some file lost.) 10. Deleted received snapshot and Host B send back2 with `-p back1` to Host A (some file lost.) Kernel 5.0.5-1-MANJARO Btrfs progs btrfs-progs 4.20.2-1 What I should do? Thanks. Masaki Haruka