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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 A0A00C3A5A1 for ; Wed, 28 Aug 2019 14:45:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 73DA22077B for ; Wed, 28 Aug 2019 14:45:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FCjQEBem" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726466AbfH1OpY (ORCPT ); Wed, 28 Aug 2019 10:45:24 -0400 Received: from mail-wm1-f46.google.com ([209.85.128.46]:54392 "EHLO mail-wm1-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726395AbfH1OpY (ORCPT ); Wed, 28 Aug 2019 10:45:24 -0400 Received: by mail-wm1-f46.google.com with SMTP id t6so336807wmj.4 for ; Wed, 28 Aug 2019 07:45:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=0BEjoSTlcGLs2tsgn7jxrftr6eID5J8qKRsTkVEr2Ik=; b=FCjQEBemcCYcDekTz6INAJldaLnmQZBj9I14J8OFey8wLaIcoh+uIDe1Ka8T2XKhLz Ca6H0RRU0VjcSU1RD5FlLOvE7Mc6gRRo/4PvUSpEORBuat3DMfwDSgX2RQUFGXG2iXMw rycbM1brxncwN9zN4Xmi1NTV2b3WQ+KtQ4WVeYzJIANXZbIankO0TgeRUo0HdFXzohme yPX+HyBL1XSwexk7hM2kXKZpVkdAlsAh1Y/SrobpuZ1UojBkPgKp4m2vgblAQple1nnI GSeD95jIHQDnG+T1nzeNlW9PFKb8BOG8Jx+boBhegaS8L+8sr75VGg9BsuvV1FPON/RY rBdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=0BEjoSTlcGLs2tsgn7jxrftr6eID5J8qKRsTkVEr2Ik=; b=sfV6h4GkvOTDIhDXp2ArBC2TVQr2qOz+eiX/iHeRpIBLFVwvPb2p0dPX1SC9X/lf0V R62oppNA/RD0jJxNSdR3xi60xBp+9LaAQ5Do+jbIqxExS+Q9ozWDU/lOoEYC8GjNqJsG cjvYkNiH9sHgrpx8mNPV98YJUq4BWTK1moT6Q0S5csrMPhyh3H4tk0PYt5sWLfN475F7 yA4SUIDOjCsViFtUt7lc+37E/aXIo9h8yIiE5tuev0BG29mJIoGeimawWr+PNP3Cn8VO B5Xw7d/+YiQGkB3qygFqHEzSQVJyTS/Tea4pj3ZucYkDTzfuZXYZCz8UzzsOCcPMxuk/ xJiw== X-Gm-Message-State: APjAAAU3Z1kIeWfSAkVOWEg6Dd9BiWXgTnzk04ydrcbJpm6mIN1xj9jQ YGl9+i31CcpOXAcNh7FBmrl039x7 X-Google-Smtp-Source: APXvYqw3BaEiK+Hbsv1SbPSJJzRm+yNKKvHyV12CQc3vpsB9ve/m6Xbf26OPegeW2Puh4N7mZe+6VQ== X-Received: by 2002:a7b:c241:: with SMTP id b1mr5499196wmj.165.1567003521576; Wed, 28 Aug 2019 07:45:21 -0700 (PDT) Received: from [10.19.90.60] ([193.16.224.12]) by smtp.gmail.com with ESMTPSA id i5sm3588613wrn.48.2019.08.28.07.45.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Aug 2019 07:45:20 -0700 (PDT) Subject: Re: No files in snapshot To: Chris Murphy Cc: Btrfs BTRFS References: From: Thomas Schneider <74cmonty@gmail.com> Message-ID: Date: Wed, 28 Aug 2019 16:45:19 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hi, I was thinking of this, too. But it does not apply. root@ld5507:~# btrfs su list -to /var/lib ID      gen     top level       path --      ---     ---------       ---- root@ld5507:~# btrfs su list -to /var ID      gen     top level       path --      ---     ---------       ---- And there are files in other directories: root@ld5507:~# ls -l /.snapshots/158/snapshot/var/lib/ceph/mgr/ceph-ld5507/ insgesamt 4 -rw-r--r-- 1 ceph ceph 61 Mai 28 14:33 keyring root@ld5507:~# ls -l /.snapshots/158/snapshot/var/lib/ceph/mon/ceph-ld5507/ insgesamt 12 -rw------- 1 ceph ceph  77 Mai 28 14:33 keyring -rw-r--r-- 1 ceph ceph   8 Mai 28 14:33 kv_backend -rw-r--r-- 1 ceph ceph   3 Aug 23 09:41 min_mon_release drwxr-xr-x 1 ceph ceph 244 Aug 26 18:37 store.db Only this directories /.snapshots/158/snapshot/var/lib/ceph/osd/ceph-/ are empty: root@ld5507:~# ls -l /.snapshots/158/snapshot/var/lib/ceph/osd/ceph-219/ insgesamt 0 To create a snapshot I run this command: snapper create --type single --description "validate /var/lib/ceph/osd/ceph-" Am 28.08.2019 um 00:24 schrieb Chris Murphy: > On Tue, Aug 27, 2019 at 3:33 AM Thomas Schneider <74cmonty@gmail.com> wrote: >> However, I run into an issue and need to restore various files. >> >> I thought that I could simply take the files from a snapshot created before. >> However, the files required don't exist in any snapshot! >> >> Therefore I have created a new snapshot manually to verify if the files >> will be included, but there's nothing. > Snapshots are not recursive on Btrfs. The snapshot will not extend > into nested subvolumes. Check to see if you are snapshotting the > proper subvolume. > > # btrfs sub list -to /var/lib > # btrfs sub list -to /var/ > > In some sense these are redundant, I'm not sure if your /var/lib is a > subvolume or not. Also please include the exact snapshot command > you're making. >