From owner-freebsd-fs@freebsd.org Mon Aug 13 11:04:08 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 7DD2A106EB7E for ; Mon, 13 Aug 2018 11:04:08 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from cu01176b.smtpx.saremail.com (cu01176b.smtpx.saremail.com [195.16.151.151]) (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 0F431747F1 for ; Mon, 13 Aug 2018 11:04:07 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from [172.16.8.58] (unknown [192.148.167.11]) by proxypop01.sare.net (Postfix) with ESMTPA id 276B89DC6D6; Mon, 13 Aug 2018 13:03:57 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Subject: Re: ZFS backup Q: send/recv and mountpoint property From: Borja Marcos In-Reply-To: Date: Mon, 13 Aug 2018 13:03:56 +0200 Cc: Dmitry Morozovsky , freebsd-fs@FreeBSD.org Content-Transfer-Encoding: quoted-printable Message-Id: References: To: Borja Marcos X-Mailer: Apple Mail (2.3445.9.1) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Aug 2018 11:04:08 -0000 > On 13 Aug 2018, at 11:47, Borja Marcos wrote: > Otherwise, unless you have atime=3Doff any read access will change the = last access > timestamps, which means that incremental snapshots won=E2=80=99t apply = unless you force > a rollback with a -N. Using -N is itself a bad idea because, in case = of error, you might > end up rolling back something you don=E2=80=99t want. If you avoid the = rollback you will > avoid making the recv destructive in any way. I mean -F of course, not -N. Thanks to the attentive readers who poked = me! :P Borja.