From nobody Tue Sep 20 12:25:03 2022 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4MX12t6ZY7z4d2G0 for ; Tue, 20 Sep 2022 12:25:10 +0000 (UTC) (envelope-from 4250.82.1d4f20000e99e8b.cee2f2af151b88ed0b6420897c57e910@email-od.com) Received: from s1-b0c6.socketlabs.email-od.com (s1-b0c6.socketlabs.email-od.com [142.0.176.198]) (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 4MX12s3pNKz49CR for ; Tue, 20 Sep 2022 12:25:09 +0000 (UTC) (envelope-from 4250.82.1d4f20000e99e8b.cee2f2af151b88ed0b6420897c57e910@email-od.com) DKIM-Signature: v=1; a=rsa-sha256; d=email-od.com;i=@email-od.com;s=dkim; c=relaxed/relaxed; q=dns/txt; t=1663676710; x=1666268710; h=content-transfer-encoding:content-type:mime-version:references:in-reply-to:message-id:subject:to:from:date:x-thread-info:subject:to:from:cc:reply-to; bh=9NeqLitaJ4setXOZxIduQ75S4xkJnLlKwV7ttcQofm4=; b=iSAqK2qhGyHwJqWPq7YZaRbrgvvFy+qQOhlC5Kn0WDD/jUm1LPeQ6QQZtpnXzB3WYrScErWVz0D2TDdmZc0AUigMjoL8A9xieyyO7pSBYzSk72r6UyVs1dcD4fghg8rpzx1cKY7jXSi6JdIXInSy0TcMXbgKDQRMgiuS3jNPSfo= X-Thread-Info: NDI1MC4xMi4xZDRmMjAwMDBlOTllOGIucXVlc3Rpb25zPWZyZWVic2Qub3Jn Received: from r2.us-east-2.aws.in.socketlabs.com (r2.us-east-2.aws.in.socketlabs.com [142.0.189.2]) by mxsg2.email-od.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Tue, 20 Sep 2022 08:25:05 -0400 Received: from smtp.lan.sohara.org (EMTPY [185.202.17.215]) by r2.us-east-2.aws.in.socketlabs.com with ESMTP(version=Tls12 cipher=Aes256 bits=256); Tue, 20 Sep 2022 08:25:05 -0400 Received: from [192.168.63.1] (helo=steve.lan.sohara.org) by smtp.lan.sohara.org with smtp (Exim 4.94.2 (FreeBSD)) (envelope-from ) id 1oacJD-0001rt-Vj for questions@freebsd.org; Tue, 20 Sep 2022 13:25:04 +0100 Date: Tue, 20 Sep 2022 13:25:03 +0100 From: Steve O'Hara-Smith To: questions@freebsd.org Subject: Re: zfs replication tool Message-Id: <20220920132503.8bfd124b9697d90e474086b3@sohara.org> In-Reply-To: <20220920122029.ufsoyo47qnxtmcqk@x1> References: <20220916133046.znfelln3fisrjnuz@x1> <20220916134918.hz6glg3nfwr3ouu4@x1> <0a0ba81b-88f2-fa75-9abe-6f41da5d2c69@sentex.net> <20220916140236.jeizzganrtnsrhlo@x1> <20220920092905.3k7qzt7lvhywhcfn@x1> <20220920122029.ufsoyo47qnxtmcqk@x1> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; amd64-portbld-freebsd13.0) X-Clacks-Overhead: "GNU Terry Pratchett" List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4MX12s3pNKz49CR X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=email-od.com header.s=dkim header.b=iSAqK2qh; dmarc=none; spf=pass (mx1.freebsd.org: domain of 4250.82.1d4f20000e99e8b.cee2f2af151b88ed0b6420897c57e910@email-od.com designates 142.0.176.198 as permitted sender) smtp.mailfrom=4250.82.1d4f20000e99e8b.cee2f2af151b88ed0b6420897c57e910@email-od.com X-Spamd-Result: default: False [-2.66 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-0.999]; NEURAL_HAM_SHORT(-1.00)[-0.996]; NEURAL_HAM_LONG(-0.96)[-0.961]; MV_CASE(0.50)[]; FORGED_SENDER(0.30)[steve@sohara.org,4250.82.1d4f20000e99e8b.cee2f2af151b88ed0b6420897c57e910@email-od.com]; R_SPF_ALLOW(-0.20)[+ip4:142.0.176.0/20]; R_DKIM_ALLOW(-0.20)[email-od.com:s=dkim]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[questions@freebsd.org]; RCVD_TLS_LAST(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[142.0.189.2:received]; MIME_TRACE(0.00)[0:+]; FROM_NEQ_ENVFROM(0.00)[steve@sohara.org,4250.82.1d4f20000e99e8b.cee2f2af151b88ed0b6420897c57e910@email-od.com]; ASN(0.00)[asn:7381, ipnet:142.0.176.0/22, country:US]; ARC_NA(0.00)[]; RCVD_COUNT_THREE(0.00)[4]; MID_RHS_MATCH_FROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; DKIM_TRACE(0.00)[email-od.com:+]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DMARC_NA(0.00)[sohara.org]; DWL_DNSWL_NONE(0.00)[email-od.com:dkim] X-ThisMailContainsUnwantedMimeParts: N On Tue, 20 Sep 2022 14:20:29 +0200 Julien Cigar wrote: > also the thing I don't like with zrepl is that snapshot management and > replication are tightly coupled. It looks like replicating a host "A" to > "B" and "C" (classical local and off-site backup) is not possible > without dirty hacks and race conditions ... A -> B -> C should be possible I think - not tried it though. The one thing I dislike about zrepl is that it doesn't transfer properties just data. -- Steve O'Hara-Smith