From owner-freebsd-fs@freebsd.org Wed Jun 6 18:59:00 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7CFD1FDEB94 for ; Wed, 6 Jun 2018 18:59:00 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [IPv6:2a01:4f8:201:6350::2]) by mx1.freebsd.org (Postfix) with ESMTP id 0921D82344; Wed, 6 Jun 2018 18:59:00 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.23.186] (unknown [89.113.128.32]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id F3C8B711; Wed, 6 Jun 2018 21:58:58 +0300 (MSK) Reply-To: lev@FreeBSD.org Subject: Re: Is unionfs usable on -CURRENT? To: Charles Sprickman , Gary Palmer Cc: freebsd-fs@freebsd.org References: <3a040dd0-5017-755a-1ce4-bc855146c404@FreeBSD.org> <20180606135204.GA44323@in-addr.com> <5E49401A-E713-452A-B255-234C42906DA9@bway.net> From: Lev Serebryakov Openpgp: preference=signencrypt Autocrypt: addr=lev@FreeBSD.org; prefer-encrypt=mutual; keydata= xsFNBFKbGksBEADeguVs+XyJc3mL3iiOBqDd16wSk97YTJYOi4VsHsINzJr09oFvNDiaDBIi fLn2p8XcJvehcsF2GSgrfXfw+uK4O1jyNIKJmiYA0EtE+ZbRtvDrrE0w6Q8+SDeKA21SWh3Y vSQ0DJUontbgW55ER2CbEiIUTIn34uQ0kmESAaw/v5p/9ue8yPTmURvv130FqPFz8VPzltqL NxyGt54TxPfKAzAHEIwxlEZ63JOwzloKh1UDBExcsf9nJO08/TAVgR5UZ5njFBPzaaquhRoP qPJLEQQDqxPIlvMNtHKf7iIebE4BHeqgCdJA0BoiR6gpa0wlsZtdrTPK3n4wYSphLvGbhfOZ YW/hbcu7HYS/FImkVxB3iY17kcC1UTnx4ZaYeASPBGOOPbXky1lLfmDGWIFT//70yx+G17qD OZzF1SvJJhGvh6ilFYaWMX7T+nIp6Mcafc4D7AakXM+XdubNXOMlCJhzPcZ0skgAEnYV587w V7em5fDVwQccwvtfezzqKeJAU5TGiywBHSR5Svzk2FwRNf6M//hWkpq0SRR63iOhkHGOAEBi 69GfEIwH2/w24rLxP0E+Hqq8n+EWNkPatw1Mhcl5PKkdvGCjJUaGNMkpBffjyYo254JXRscR eEnwdIkJt4ErDvjb2/UrOFq31wWMOiLzJeVchAgvTHBMRfP9aQARAQABzShMZXYgU2VyZWJy eWFrb3YgPGxldkBzZXJlYnJ5YWtvdi5zcGIucnU+wsGCBBMBCAAsAhsDBwsJCAcDAgEGFQgC CQoLBBYCAwECHgECF4ACGQEFAlKbP8wFCQlmJwEACgkQ6rA8WL/cR4/6VBAAjRMyyX3PBFx/ HxyiIZ698EfwlWUua8Ft4crtrdK52m0qNkbBB9BH8xQgBHG32A1CwyzQnzxHgZuoOWMjh+Qq WJv7dmpM/q/c1GCJHhlPgewXrciTwpAamZILN071u+1GCPWwGRPzfQ/U+k63KJWx9ozf4doM WTTom6Cqcssi4J1u5kkt52a5ZRhsCK9pEVGilk36XTP9BakGrnMSIxF/NK4xeZVX2q+Nuqvf RchyofKXVgLEDLwb1cd/baLtBpDzy0PTN2Zl2lX4kOA6jwTKsqRya9A1Vui1KXwPh2XViTQ1 7Y3l5qg/M+sR73DohezP6bO6huOnLhty17jAqHPNlD6RonDo+j8uIlEg4iMSTN3MhzkBAu0Q pe3ucQ0o1767JiXN3fsNvRzSFhLVNDqPLce4uKlMogsbreXWvdgHGTN1ybOHGbybZnP77yHz uNBacbmG3vL/OLXMqwLdL2JXoiec4DmXjjCdhTBl5xLV9Hz/6VWKqElteg8QFVvHB3tHWzJ4 /rpiVEixytCIII6DS33BXZ0h2EOkK/6AYA2SJxy1vgOH4SZBtDBHoezmHV2nFnq5O0c7AuAB 7WPWgQG0sEwHQPZmg/baRGitRJnaxf/Gvf1DeD1x1VrcoVke2vwBcgDM3kugP8L9hsqic2D3 dI+gP76haeuvNNZr3y9L9zvOwU0EUpsaSwEQALRr3B+OjY/cnJPstz5CVsVWyEZtJtrNviZr tBgbkhlkPm98sEWR4+gbpyeufdYJengDjeGzMDKcLB7h5fICS/j6A8XdlJ40TlbPfNgb6OHa ebaIYKTJpXKR9sD7ZyGivYMofm0em40wGUX7BIkdkomaWj+wUiS0CdXU0FWDj9wv73+Eim+X zZyXeFgIPv97v+pET7DfwKkADOfrkW9s4OfvGVjd+wm35wc8EngQEz0qdPBxx74X7vZFAxlA SXu8gDBJGYt2Bkc3QwULnfeXrZJWgqNPR5o44gGu96yaiOFaN/C6CJtev5ZEX+0ZxbvsHHB7 Z5AtsRURKpZ4w5HFHGhzHtDtoAKgeZ/gbhTVXPHvNQR818eN+Nl5BV8BRF/8yhR6VlJb8GYw h8oKDeVGVYC34+raHZQAM9WoBnN7jlt4T9zzPwtmw5mIahGFgvw1KDr7OItN2ZgtZ20UYC5m Go602nmHq0aPbU6SwGi1xohrliNsKaaciYiMaVIGRQq8iGr9Fe2HlvaA3BpB275i/gCVlUdG y5XLAv+yQMUvn5Z7XVsMroxDk/O+ae1ElyBvKiKyfWGJXTg5XUukkkyQmfWPxWUGoNA1P/P4 GMHSu7/Rqe/7m4uPu/RyTTqsSjjKJdP9kBwEzvqPtXsVoZuShtrptRQJDYflhgE4qmKSMKen ABEBAAHCwWUEGAECAA8FAlKbGksCGwwFCRLMAwAACgkQ6rA8WL/cR48RkA//SNzeW3CI8KHx rA0aeHW6Nb5ieoqVRBGLyjBM06RX6vHB9v4dJL6Z+yV2jGN2s+XZX2HILbuTOwcTxGkI3xTT e0cDXVaF5K8R/liigUjtwuC2v/sWgoWyUmK1Cy9CPYdcXmFq6nESfkUe8DYiGOUULdHq5w63 F53yOZ72iXRBQBZgkhPtRFu4lPYIzOsMag9DIJ9CthR1r0ziqU/keb94Qt3l+aXK7CwGdY7X T4zUIMHNYsuAuyX+NJIXfsN68TT6m7QmlUwxPs13nxmoVQzm4ruV+hlQKh1MtbsjWRkNgPxF IPiqoAEhy8QoddlSvRTwL5Z7zFQiwMdiXU7toL8pfzj/zJR1jELXKMipijrt5MLrV8XX3OPN yZZvh95VIl8mv+iAqwSZUufd2EJnvj5TObB0eH+a+34NWf/XqA3fPjE6KHzmdnw9PZjPEjlx JCPECSs+6gse1+GaEfKYuXzB/ENe2ctlcfx5iQJXFc+/+zG/uU/JX/pXJHA12CUfB5g7lH6X BZIHvRo3VTCDjXgbF5xxDAe5V4exf8d4oSNjQIFLYxxN7zkvH89EN6RPfRgsWN7bYArCwfS9 MOgs9pFeCOewR6qieK150aoqNENGfKFXJup+5VVl6I0mU+j0rgVDZDht2/QgP/Tb4lGBe+ai pOGaK/GYNR+Ad6bUmokKsx4= Organization: FreeBSD Message-ID: <9e847496-ffbf-dd5d-747d-046ba8295701@FreeBSD.org> Date: Wed, 6 Jun 2018 21:58:53 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <5E49401A-E713-452A-B255-234C42906DA9@bway.net> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AZYUjmRGbfdbYlNab6rJCcBw0lFDccmmt" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jun 2018 18:59:00 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --AZYUjmRGbfdbYlNab6rJCcBw0lFDccmmt Content-Type: multipart/mixed; boundary="iFjKZHHuzuMUpjOBekOXhDuit8gpkYLdw"; protected-headers="v1" From: Lev Serebryakov Reply-To: lev@FreeBSD.org To: Charles Sprickman , Gary Palmer Cc: freebsd-fs@freebsd.org Message-ID: <9e847496-ffbf-dd5d-747d-046ba8295701@FreeBSD.org> Subject: Re: Is unionfs usable on -CURRENT? References: <3a040dd0-5017-755a-1ce4-bc855146c404@FreeBSD.org> <20180606135204.GA44323@in-addr.com> <5E49401A-E713-452A-B255-234C42906DA9@bway.net> In-Reply-To: <5E49401A-E713-452A-B255-234C42906DA9@bway.net> --iFjKZHHuzuMUpjOBekOXhDuit8gpkYLdw Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 06.06.2018 21:49, Charles Sprickman wrote: >>> "man mount_unionfs" is very scary. Is is still true? Maybe, here are >>> some other workarounds to have one directory with static data on R/O = FS >>> and transient data on R/W FS? >>> >>> Unfortunately, "net-mgmt/unifi5" want to put all working data directl= y >>> to its installation directory, which resides on R/O FS of NanoBSD ima= ge. >> >> I believe the warnings are still at least partly true. The usual >> suggestion is to use "mount -o union" instead of "mount -t unionfs". >> "mount -o union" doesn't have the unionfs issues >=20 > Just chiming in as a casual observer here, but that=E2=80=99s extremely= confusing. > I think most people would assume =E2=80=9C-o fstype=E2=80=9D or =E2=80=9C= -t fstype=E2=80=9D would basically > do the same thing. Is there any reason to keep the broken version read= ily > accessible? "-o union" is not "-t union", it is not unionfs, completely separate feature, FS-independent, but limited (you can not overlay nested directory, only FS root). --=20 // Lev Serebryakov --iFjKZHHuzuMUpjOBekOXhDuit8gpkYLdw-- --AZYUjmRGbfdbYlNab6rJCcBw0lFDccmmt Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE+W0coLX0MYtnSzMK6rA8WL/cR48FAlsYLu1fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEY5 NkQxQ0EwQjVGNDMxOEI2NzRCMzMwQUVBQjAzQzU4QkZEQzQ3OEYACgkQ6rA8WL/c R480Ig//VzqwR73e9Z93SiVYrqdFBUy+fzhkhHqZbrEMpPN/UkfZLqxx8MKk4MRL K1AqW7wcIM3Xc45y18j+TI6ry+98k2J8Xay2/2bGejWsNFXLVywr58IoLB1LdZPW 6TRdawjBGi8t8yXj7ZJ35ufbzyFomBuOWr1CA9TnAuMIxUeiu3EyqvdmxkiGrfS1 rxy3dQFVe2Pv1gjLLOQNr5HuBehUPNzCGW0uTn7setL/Y7gkWdwLKqZyw6Jr/mMx Bx0lgCZwWnrhwjsnMIX5WGHBH6u7os/v7g6GdZz2O9XhhuQ4zOVsiO9rxW5J4GsZ QOCykyxGhfZpd5YmSYe7L1Z96f64o8MhxsqZJu5vXT+rdqe9oGZfi2jJjJqrqF7N BeuSJy5Ti22ZCkd19omJn4JBax5lw1RZqHzFeRXNU2CrT5c37A5Zh8Ghl7elO0D8 Val521DA2mo/z+kwjXwQvL8Hv764dY4PogcUtBT6Ro81dS9eM98klD65EDlKPOQD d9D/gyOdSw5JMk3KFVZGoNOfwTP5xRk2GR0MjFAd32QpWQf0pCunAA29jYJxIthC OjzEI/Y7Z8C6GsTkWwwn/+pCuuimsAsWCqWvZfW/bkNCB8uKxC2i0qEXU3kAPjll MchAxLj8kZSFfLodgKRilZujxhvHgO/YcIA2Fdw/QJJnVBYNuUg= =lduh -----END PGP SIGNATURE----- --AZYUjmRGbfdbYlNab6rJCcBw0lFDccmmt--