From owner-freebsd-hackers@FreeBSD.ORG Mon Oct 6 21:56:59 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B5BA31065686 for ; Mon, 6 Oct 2008 21:56:59 +0000 (UTC) (envelope-from yurtesen@ispro.net) Received: from mail.ispro.net (mail.ispro.net [87.251.0.19]) by mx1.freebsd.org (Postfix) with ESMTP id 6C9448FC33 for ; Mon, 6 Oct 2008 21:56:58 +0000 (UTC) (envelope-from yurtesen@ispro.net) Received: (qmail 57443 invoked by uid 399); 6 Oct 2008 21:30:34 -0000 Received: from a91-152-230-218.elisa-laajakaista.fi (HELO ?192.168.1.34?) (yurtesen@ispro.net@91.152.230.218) by mail.ispro.net with ESMTPAM; 6 Oct 2008 21:30:34 -0000 X-Originating-IP: 91.152.230.218 Message-ID: <48EA83CE.4060702@ispro.net> Date: Tue, 07 Oct 2008 00:31:58 +0300 From: Evren Yurtesen User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Sean Bruno , freebsd-hackers@freebsd.org References: <48E9E1BB.6020908@ispro.net> <48EA3451.7040801@miralink.com> In-Reply-To: <48EA3451.7040801@miralink.com> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Mon, 06 Oct 2008 22:06:44 +0000 Cc: Subject: Re: continuous backup solution for FreeBSD X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Oct 2008 21:56:59 -0000 Sean Bruno wrote: > Evren Yurtesen wrote: >> Hello, >> >> As far as I can see, there is no continuous backup solution for >> FreeBSD at the moment. I talked with R1Soft and they seem to not be >> able to support FreeBSD and need help. >> >> Does anybody have free time and skills to give a hand? Please see: >> http://forum.r1soft.com/showpost.php?p=3414&postcount=9 >> >> I know people who want to switch to using FreeBSD but cant do that >> because their backup solution (R1Soft) does not support FreeBSD :( >> >> Thanks, >> Evren >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to >> "freebsd-hackers-unsubscribe@freebsd.org" > Hmmm....Well, my company (MiraLink) makes a BSD based appliance that > mirrors block level changes between two units. > > It's commercial, not BSD licensed, but it's something. > > www.miralink.com > > sean > > Hello Sean, Thanks for the link. The miralink products seem to be doing data replication similar to gmirror+ggate? This wont protect against accidental deletion of data etc. The near continuous backup solutions do not mirror/replicate the data. Think about it as continuously taking backup. You can return back to 10 minutes or 1 hour before and restore old data. In either case, I wasnt trying to start a debate between backup solutions etc. here. I simply wanted to ask for help if somebody who has in depth knowledge about disk subsystems of FreeBSD and can give some tips to r1soft so FreeBSD could be supported also. As you can imagine, it is not only important that data can be restored when a box hardware failure etc. it is also important that data can be restored if deleted by accidents etc. While traditional backup programs provide this functionality, you cant really go back to 10 min or 1h ago, often they take daily backups and have to scan whole filesystem for changed files every time the backup is taken which stresses out the systems. Thanks, Evren