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Wed, 4 Sep 2019 14:02:29 -0400 (EDT) Subject: Re: No files in snapshot To: linux-btrfs References: From: Remi Gauvin Openpgp: url=http://www.georgianit.com/pgp/Remi%20Gauvin%20remi%40georgianit.com%20(0xEF539FF247456A6D)%20pub.asc Autocrypt: addr=remi@georgianit.com; prefer-encrypt=mutual; keydata= mQENBFogjcYBCADvI0pxdYyVkEUAIzT6HwYnZ5CAy2czT87Si5mqk4wL4Ulupwfv9TLzaj3R CUgHPNpFsp1n/nKKyOq1ZmE6w5YKx4I8/o9tRl+vjnJr2otfS7XizBaVV7UwziODikOimmT+ sGNfYGcjdJ+CC567g9aAECbvnyxNlncTyUPUdmazOKhmzB4IvG8+M2u+C4c9nVkX2ucf3OuF t/qmeRaF8+nlkCMtAdIVh0F7HBYJzvYG3EPiKbGmbOody3OM55113uEzyw39k8WHRhhaKhi6 8QY9nKCPVhRFzk6wUHJa2EKbKxqeFcFzZ1ok7l7vrX3/OBk2dGOAoOJ4UX+ozAtrMqCBABEB AAG0IVJlbWkgR2F1dmluIDxyZW1pQGdlb3JnaWFuaXQuY29tPokBPgQTAQIAKAUCWiCNxgIb IwUJCWYBgAYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQ71Of8kdFam2V1Qf9Fs6LSx1i OoVgOzjWwiI06vJrZznjmtbJkcm/Of5onITZnB4h+tbqEyaMYYsEIk1r4oFMfKB7SDpQbADj 9CI2EbpygwZa24Oqv4gWEzb4c7mSJuLKTnrhmwCOtdeDQXO/uu6BZPkazDAaKHUM6XqNEVvt WHBaGioaV4dGxzjXALQDpLc4vDreSl9nwlTorwJR9t6u5BlDcdh3VOuYlgXjI4pCk+cihgtY k3KZo/El1fWFYmtSTq7m/JPpKZyb77cbzf2AbkxJuLgg9o0iVAg81LjElznI0R5UbYrJcJeh Jo4rvXKFYQ1qFwno1jlSXejsFA5F3FQzJe1JUAu2HlYqRrkBDQRaII3GAQgAo0Y6FX84QsDp R8kFEqMhpkjeVQpbwYhqBgIFJT5cBMQpZsHmnOgpYU0Jo8P3owHUFu569g6j4+wSubbh2+bt WL0QoFZcng0a2/j3qH98g9lAn8ZgohxavmwYINt7b+LEeDoBvq0s/0ZeXx47MOmbjROq8L/g QOYbIWoJLO2emyxmVo1Fg00FKkbuCEgJPW8U/7VX4EFYaIhPQv/K3mpnyWXIq5lviiMCHzxE jzBh/35DTLwymDdmtzWgcu1rzZ6j2s+4bTxE8mYXd4l2Xonn7v448gwvQmZJ8EPplO/pWe9F oISyiNxZnQNCVEO9lManKPFphfVHqJ1WEtYMiLxTkQARAQABiQElBBgBAgAPBQJaII3GAhsM BQkJZgGAAAoJEO9Tn/JHRWptnn0H+gOtkumwlKcad2PqLFXCt2SzVJm5rHuYZhPPq4GCdMbz XwuCEPXDoECFVXeiXngJmrL8+tLxvUhxUMdXtyYSPusnmFgj/EnCjQdFMLdvgvXI/wF5qj0/ r6NKJWtx3/+OSLW0E9J/gLfimIc3OF49E3S1c35Wj+4Okx9Tpwor7Tw8KwBVbdZA6TyQF08N phFkhgnTK6gl2XqIHaoxPKhI9pKU5oPkg2eI27OICZrpTCppaSh3SGUp0EHPkZuhVfIxg4vF nato30VZr+RMHtPtx813VZ/kzj+2pC/DrwZOtqFeaqJfCi6JSik3vX9BQd9GL4mxytQBZKXz SY9JJa155sI= Message-ID: <423454bc-aa78-daba-d217-343e266c15ee@georgianit.com> Date: Wed, 4 Sep 2019 14:02:28 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="s9eRTCBljtZfC7Xc63nPhLDgLQ4py00VO" Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --s9eRTCBljtZfC7Xc63nPhLDgLQ4py00VO Content-Type: multipart/mixed; boundary="EQ6xur8oCZHj7tEBNX4hiqfspw9ga15gd"; protected-headers="v1" From: Remi Gauvin To: linux-btrfs Message-ID: <423454bc-aa78-daba-d217-343e266c15ee@georgianit.com> Subject: Re: No files in snapshot References: In-Reply-To: --EQ6xur8oCZHj7tEBNX4hiqfspw9ga15gd Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2019-09-04 1:36 p.m., Chris Murphy wrote: >> >=20 > I don't really know how snapper works. >=20 > The way 'btrfs subvolume snapshot' works, you must point it to a > subvolume. It won't snapshot a regular directory and from what you > posted above, there are no subvolumes in /var or /var/lib which means > trying to snapshot /var/lib/ceph/osd/ceph-.... would fail. So maybe > it's failing but snapper doesn't show the error. I'm not really sure. >=20 In this case, his snapshots are all of the root. I don't know how Ceph works, but since we already confirmed that there are no subvolumes under /var, the only other explanation is that /var/lib/ceph/osd/ceph- is a submount What is the the result of running: mount | grep /var --EQ6xur8oCZHj7tEBNX4hiqfspw9ga15gd-- --s9eRTCBljtZfC7Xc63nPhLDgLQ4py00VO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJdb/w0AAoJEO9Tn/JHRWptUNAH/jyK8vvoSKAEByj8wLRx1AHb iWG8zju7kYMnZhZog1E9UN3PMxdwywqC8CMPZwjq34xNjnrVzCFbbUXsgSdDxjLU PDmtGaGJC7UtK+xq4igjv3ntJ1TtKN3bt46NGMhtt9Q/zj/dXXTYEE+4Rdo/OzQA i3Y6Tupt6lLWYsBt7kyO3nJd9+F6tCZFX2546UeCXT093l72WMV4K3QELzlslKTe 6tciWDI/JlGRmabkTINoPaD3HTE0uufCWvYJrhS8a/t8EexBDRT3Ix995Ii/93GI McSn2CzMYj+eoe+r7He6Ugm75hBGZlStTcU4Hqw/rrcT6IQvUH6bT2le1vd8Qvg= =M613 -----END PGP SIGNATURE----- --s9eRTCBljtZfC7Xc63nPhLDgLQ4py00VO--