From owner-freebsd-stable@freebsd.org Mon May 6 09:27:24 2019 Return-Path: Delivered-To: freebsd-stable@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 484881583D19 for ; Mon, 6 May 2019 09:27:24 +0000 (UTC) (envelope-from hausen@punkt.de) Received: from kagate.punkt.de (kagate.punkt.de [217.29.33.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id DCB5F8F802 for ; Mon, 6 May 2019 09:27:22 +0000 (UTC) (envelope-from hausen@punkt.de) Received: from hugo10.ka.punkt.de (hugo10.ka.punkt.de [217.29.44.10]) by gate2.intern.punkt.de with ESMTP id x469RJOX042586; Mon, 6 May 2019 11:27:19 +0200 (CEST) Received: from [217.29.44.36] ([217.29.44.36]) by hugo10.ka.punkt.de (8.14.2/8.14.2) with ESMTP id x469RI6o087322; Mon, 6 May 2019 11:27:19 +0200 (CEST) (envelope-from hausen@punkt.de) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.8\)) Subject: Re: ZFS... From: "Patrick M. Hausen" In-Reply-To: <20190430102024.E84286@mulder.mintsol.com> Date: Mon, 6 May 2019 11:27:18 +0200 Cc: Michelle Sullivan , freebsd-stable@freebsd.org, Karl Denninger Content-Transfer-Encoding: quoted-printable Message-Id: <41FA461B-40AE-4D34-B280-214B5C5868B5@punkt.de> References: <30506b3d-64fb-b327-94ae-d9da522f3a48@sorbs.net> <56833732-2945-4BD3-95A6-7AF55AB87674@sorbs.net> <3d0f6436-f3d7-6fee-ed81-a24d44223f2f@netfence.it> <17B373DA-4AFC-4D25-B776-0D0DED98B320@sorbs.net> <70fac2fe3f23f85dd442d93ffea368e1@ultra-secure.de> <70C87D93-D1F9-458E-9723-19F9777E6F12@sorbs.net> <5ED8BADE-7B2C-4B73-93BC-70739911C5E3@sorbs.net> <2e4941bf-999a-7f16-f4fe-1a520f2187c0@sorbs.net> <20190430102024.E84286@mulder.mintsol.com> To: Walter Cramer X-Mailer: Apple Mail (2.3445.104.8) X-Rspamd-Queue-Id: DCB5F8F802 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of hausen@punkt.de designates 217.29.33.131 as permitted sender) smtp.mailfrom=hausen@punkt.de X-Spamd-Result: default: False [-1.71 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.98)[-0.983,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip4:217.29.32.0/20]; MV_CASE(0.50)[]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[punkt.de]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[cached: mailin.pluspunkthosting.de]; NEURAL_HAM_SHORT(-0.14)[-0.143,0]; RCVD_IN_DNSWL_NONE(0.00)[131.33.29.217.list.dnswl.org : 127.0.10.0]; SUBJ_ALL_CAPS(0.45)[6]; IP_SCORE(-0.23)[ipnet: 217.29.32.0/20(-0.63), asn: 16188(-0.51), country: DE(-0.01)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:16188, ipnet:217.29.32.0/20, country:DE]; MID_RHS_MATCH_FROM(0.00)[] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 May 2019 09:27:24 -0000 Hi! > Am 30.04.2019 um 18:07 schrieb Walter Cramer : > With even a 1Gbit ethernet connection to your main system, savvy use = of (say) rsync (net/rsync in Ports), and the sort of "know your data / = divide & conquer" tactics that Karl mentions, you should be able to = complete initial backups (on both backup servers) in <1 month. After = that - rsync can generally do incremental backups far, far faster. ZFS can do incremental snapshots and send/receive much faster than rsync on the file level. And e.g. FreeNAS comes with all the bells and = whistles already in place - just a matter of point and click to replicate one set of = datasets on one server to another one =E2=80=A6 *Local* replication is a piece of cake today, if you have the hardware. Kind regards, Patrick --=20 punkt.de GmbH Internet - Dienstleistungen - Beratung Kaiserallee 13a Tel.: 0721 9109-0 Fax: -100 76133 Karlsruhe info@punkt.de http://punkt.de AG Mannheim 108285 Gf: Juergen Egeling