From owner-freebsd-questions@FreeBSD.ORG Fri Dec 19 11:53:00 2008 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AC65B1065674 for ; Fri, 19 Dec 2008 11:53:00 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 07C218FC14 for ; Fri, 19 Dec 2008 11:52:58 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3) with ESMTP id mBJBqsNC001603; Fri, 19 Dec 2008 12:52:54 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3/Submit) with ESMTP id mBJBqrEw001600; Fri, 19 Dec 2008 12:52:54 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Fri, 19 Dec 2008 12:52:53 +0100 (CET) From: Wojciech Puchar To: David N In-Reply-To: <4d7dd86f0812181647n7fb63aabi86baf8417bfa3966@mail.gmail.com> Message-ID: <20081219125123.G1595@wojtek.tensor.gdynia.pl> References: <4d7dd86f0812181647n7fb63aabi86baf8417bfa3966@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: questions@freebsd.org Subject: Re: Backing Up ZFS X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Dec 2008 11:53:00 -0000 > As ZFS is becoming more stable and approaching production ready, how > would one "Backup" ZFS? In terms of backing up to an external media or > storage rather than doing snapshots. In case the the server > spontaneously bursts into flames. use tar it's filesystem independent if you have tape drives. actually you can tar to anything even multivolume backup using USB connected drivers. > I'm just curious at what others are currently doing to back up huge > amounts of data. eg. 2TB and onwards. > > 1. ZFS -> External HDD (External HDD aren't even big enough to handle > greater than 2TB) Taken offsite daily > 2. ZFS -> Another ZFS box (Not sure how you take it off site daily) > 3. ZFS -> Remote ZFS using RSync (Living in Australia, there are > limits on data transfer of a few hundred GB per month, to costs are > prohibitive) you don't require your backup target to have ZFS. all your 3 solutions are filesystem-independent