From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 8E2A4139337 for ; Sun, 1 Aug 2021 21:38:22 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 180E0E0AA3; Sun, 1 Aug 2021 21:38:17 +0000 (UTC) Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 0F857E0A8A for ; Sun, 1 Aug 2021 21:38:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1627853884; bh=FDPCaMmQw/jae8fi+6pO9J2LHB6zqKheb1m7kSfWYvU=; h=X-UI-Sender-Class:Date:From:To:Subject:References:In-Reply-To; b=Ii9DzhnACSWbQU+7v1c2F65K150m11QIMlwa+II42gF00sapmaWkoxZN+5cxkHAhT oHUko6RoLTeFuqFx1BYq7EpP4OD8Rq9knWG3aBF3Pr+/oFW7RbYV1RgmpNE/oGiIeG sklEOny1/aO0xJtU8TZmgCGqyrn3z6huG7JpTph4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from kern ([92.117.56.238]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N9dsb-1nD9L708zF-015cHS for ; Sun, 01 Aug 2021 23:38:04 +0200 Date: Sun, 1 Aug 2021 23:38:02 +0200 From: Frank Steinmetzger To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] [OT] SMR drives (WAS: cryptsetup close and device in use when it is not) Message-ID: Mail-Followup-To: gentoo-user@lists.gentoo.org References: <6102DB58.7040103@youngman.org.uk> <56d64f52-1b9a-1309-c720-06bb63c9f80a@iinet.net.au> <7a8c52c3-4c96-89ac-ace0-6eb4b8f1401f@iinet.net.au> <6104C897.5010505@youngman.org.uk> <7e6b56a2-917f-4dd6-3599-722bca5162ca@iinet.net.au> <7b00c8ee-b142-cd21-fc9e-77d272bb116e@iinet.net.au> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="YSvgqb1SiQcCYz/c" Content-Disposition: inline In-Reply-To: <7b00c8ee-b142-cd21-fc9e-77d272bb116e@iinet.net.au> User-Agent: Mutt 2.1.1; VIM - Vi IMproved 8.2 X-Provags-ID: V03:K1:+cVA+W6G4RoNxK79KlnOiFBrWin7erT2lWP4tiUykU2+kgdTgOC TdFcKPxBpIMYPmzh7KBitgwQ3QSnUHdY5aCLT+w3y2nuBNc/Jb8MD0VH63KGiZPE4ldXCsN R4Ww0ersRC7xMFA6mVpumj/rsj7BD/LOJgQt/4dMOs174k6StXp5Tcfa2n0MnLCoFelDqY/ IwvjiOuTIzOeEbT1berfA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:W7rcZkRDMLU=:GNTjNmf49MUOwdg2+LPpsW xhac+lKOMVSPuTjAh7PyO4XphIarR7rjuhUsArToM3KRx5nZxL1UmTIyF4+D3A9YtWznWhdp+ 1o2ha8cBHluP52k5tIe1MwT8MNZxY2Xfwelv1x7BgdlYRa7MSSdbh5FlZew5gipOVeDGdsk3A KkHp3SJtxvJmlD9rxalj6FPEG3DSgGCDj9CeAHFWTgZBX7D1f67Vvkh0LtbvO429E1UvgSSZ/ lofY1X0r57YFCWrzCt7daOZF9uNGNejKLIRhqs9CcARXFAWmmZg+eCTIHZTn2HQ0nJTxFDck2 sHaQcWIvk42/gHAx1iTe8yxKelDOAtHKJnKSnx2oVQm6d4xzWiWNRhz8I7lT7bs1borhWLkFA eAYb3N1q3SsmAJkg3xGMXGJNbW7UUzEa6EgJekwzj7Y/hbLx6WE/X6cNBF22os5BqsXYu7UD2 k+8bCthcjz59S8YF5rfPBHmDZSnK1oUsogS0RRQ1KdioeLDlBSJLncIfKEe+vzJJ1YZvlzhBn KSe98j3uqewsAyh4J4f+fkXPcafMtXfl5F+9K7HP980VPBKD+wso3rcdQb9/AnKVkP2AG8CJN B2ZUPa+Zi0x04SuGFDw4Lci/nHhyxKcCgiErX/PIXTjEZkzBXvv58H/9tFRiW+oylBZMI5dF2 2HsFFaOi9X6g6UpD/rXpDQ6wIP4BUI0DzCYBBcM3Sfn6rbgS6pUyjQ2JTWvjf7vbtQtV0aIYi N5iSMgWEbXRZBonMJAOry8ciDYVkDUXmGbHMPIZdQokGd6yV/d7QWvWLEo1rx5gByQhW+FRta JLCw3OOjIRgabol9CngrcQIl8ZVmMPPJuW4ZhXU+TClQ4BfkptR1yvLedVzAn9SlelqOtyWoZ zMNuXkFPWodQ84nFOC34pmWgViMfvbVG5L2jzckORQSLIfHLHVGZH4/F/jlyXJvwtOceqneP+ lAxi6w6yk9aPb2mzMHJS447rv99fFvApFRJM5mnt26R3BMmzFRLoPM/8Bw7PyRrFIwlnbtoPW Ko8Y1eArq4wnmTy9j+oC+0wFlA0HG8SLQ7tV/F3HO7e9L5D98ZnXuHzPrwaufTYnr9AYjmPAo AD/SZ4+t5DVn8tZoEVN8CcJPOovS+xnuW1s X-Archives-Salt: 6beb6b7a-8244-4a19-a3e1-90ebcec41c60 X-Archives-Hash: 187398c4c4bfb49f245601d3834574ec --YSvgqb1SiQcCYz/c Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Am Sun, Aug 01, 2021 at 11:46:02AM +0800 schrieb William Kenworthy: > >> And you are storing several machines into a single repo? The docs say = this > >> is not supported officially. But I have one repo each for /, /home and= data > >> for both my PC and laptop. Using a wrapper script, I create snapshots = that > >> are named $HOSTNAME_$DATE in each repo. > > Basicly yes: I use a once per hour snapshot of approximately 500Gib of > > data on moosefs, plus borgbackups 3 times a day to individual repos on > > moosefs for each host.=C2=A0 3 times a day, the latest snapshot is stuf= fed > > into a borg repo on moosefs and the old=C2=A0 snapshots are deleted.=C2= =A0 I > > currently manually push all the repos into a borg repo on the USB3 SMR > > drive once a day or so. > > > > 1. rsync (and cp etc.) are dismally slow on SMR - use where you have to, > > avoid otherwise. > > >=20 > > forgot to mention >=20 > 1a. borgbackup repos are not easily copy'able - each repo has a unique > ID and copy'ing via rsync creates a duplicate, not a new repo with a new > cache and metadata which depending on how you use can cause > corruption/data loss.=C2=A0 Google it. Yup. Today I did my (not so) weekly backup and rsynced the repo to the new drive. After that I wanted to compare performance of my old 3 TB drive and the new SMR one by deleting a snapshot from the repo on each drive. But Borg objected on the second deletion, because =E2=80=9Cthe cache was newer=E2=80= =9D. But that=E2=80=99s okay. I actually like this, as this will prevent me from chaning two repos in parallel which would make them incompatible. --=20 Gr=C3=BC=C3=9Fe | Greetings | Qapla=E2=80=99 Please do not share anything from, with or about me on any social network. Fat stains become like new if they are regularly treated with butter. --YSvgqb1SiQcCYz/c Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEVbE9o2D2lE5fhoVsizG+tUDUMMoFAmEHFDgACgkQizG+tUDU MMoAcBAAmC3zwunwS7lwv2Q43oFSXeQBqIeGHa0sbYDTtJC3MUA5Icn/5B3QaCU5 Y8UQ4eEJnsZRMNwO+bYGgt0DoAOYxCi/l4EdaP0fAsnI9vAEAY0OdKUhm03fAJI4 h/cBhh7C/73giVEap25AU8qMVIvzvJM+6VNgtzJltTkEWh+ahpuhPD62eUMudSYq nukOIQOWimv+5FuQUi676LnLwV+SNzGbJRu7c8HHxZLNB00LYE2iQmVvaLfwMoQp ZJ9dpPdd2RmRA6gnXguQLO2n2SeYQAqSjMnmEL77ytfDMMMlWjLOsTpGggrQlVlq OM/madUlHbiWAwtIn93XCA06CrYW0CuFU95VF4aizMsrm7p6KpRa3aRGRx2uc5BM hPQ29L5QmlRHPoD26xpAuqoofbDO2IHqufRVFvivIMAFqzfvzxC2zL2QnjUyAeLd ukghO9SnMgK0LqUhhMdnfOgmdmhK/lp/XPo60oURFbc2sU4B4RgwOuC9Yeby7Jil pmA+XA76Yv99i8Bw4liIJ53IoyUm92oHhtSjWh9JutOEagT8/5eW0ubKjURWzd2g fOv5NL5qiW5qI9e7ZBcPJSM2Zgbc2j4ORtkgbNsd9HG4zUwKTvN+uyL9mqrFmEev jPloO7lAxTF0nsXuW0DDXDHo26hTjPQRCU5KcmbHGmFVf492+kg= =dP16 -----END PGP SIGNATURE----- --YSvgqb1SiQcCYz/c--