From owner-freebsd-fs@freebsd.org Tue May 17 12:14:24 2016 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 65FCCB3F8A9 for ; Tue, 17 May 2016 12:14:24 +0000 (UTC) (envelope-from maurizio.vairani@cloverinformatica.it) Received: from host202-129-static.10-188-b.business.telecomitalia.it (host202-129-static.10-188-b.business.telecomitalia.it [188.10.129.202]) by mx1.freebsd.org (Postfix) with ESMTP id 21F391984; Tue, 17 May 2016 12:14:23 +0000 (UTC) (envelope-from maurizio.vairani@cloverinformatica.it) Received: from [192.168.0.60] (MAURIZIO-PC [192.168.0.60]) by host202-129-static.10-188-b.business.telecomitalia.it (Postfix) with ESMTP id C35822C6EC; Tue, 17 May 2016 14:04:28 +0200 (CEST) Subject: Re: Best practice for high availability ZFS pool To: Palle Girgensohn , freebsd-fs@freebsd.org References: <5E69742D-D2E0-437F-B4A9-A71508C370F9@FreeBSD.org> From: Maurizio Vairani Message-ID: <625e2776-a97f-9ee7-a1cb-c1a053804f6c@cloverinformatica.it> Date: Tue, 17 May 2016 14:04:28 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 In-Reply-To: <5E69742D-D2E0-437F-B4A9-A71508C370F9@FreeBSD.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 May 2016 12:14:24 -0000 Il 16/05/2016 12:08, Palle Girgensohn ha scritto: > Hi, > > We need to set up a ZFS pool with redundance. The main goal is high availability - uptime. > > I can see a few of paths to follow. > > 1. HAST + ZFS > > 2. Some sort of shared storage, two machines sharing a JBOD box. > > 3. ZFS replication (zfs snapshot + zfs send | ssh | zfs receive) Hi, have you tried compression ? Somethings like: zfs snapshot + zfs send | lzop | ssh | lzop -d | zfs receive I am successfully using this method using a modified version of sysutils/zrep , but my pools are only few TB in size. -- Maurizio