From owner-freebsd-questions@FreeBSD.ORG Tue Jul 7 20:54:25 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0877F10656C1 for ; Tue, 7 Jul 2009 20:54:25 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-vw0-f172.google.com (mail-vw0-f172.google.com [209.85.212.172]) by mx1.freebsd.org (Postfix) with ESMTP id ADD298FC31 for ; Tue, 7 Jul 2009 20:54:24 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: by vwj2 with SMTP id 2so534221vwj.3 for ; Tue, 07 Jul 2009 13:54:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=F6cqI2URsqObLhT9ba+e67HwKdlvhjkY3uIxJJ/3Nxk=; b=ikplTHf14JdxKANMh16HFVOKI6HpXrdKzBoKleHhhUlsPg+co0mY5dVgZhXR7a0ROu YAG5EBRqEfCbJ7PVGRswiQ2QWSwq0pwAF6zfpzbKb+J5M8eUuuna2ZUjk7PN+BBEDYzo fn9PC5OcV9ZUZxHKzaQbF1B4YT6DEjisl6rFQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=e5036Sj21sV22Nmbtkp3Lu85/1NbT2SdnTMc7z8wvUX3PMNgit1aKcWOIhHJ+7SSSg V8Lnx5Xvb+fTBiPxMJ2cy11xqLz1d68RLsrWqfGycSzjHblTzJnF0o7nR2cgoPRbdUTc 1OLHCyxtpWXYHkN3szs/JovTSrT3iG/NNeg9w= MIME-Version: 1.0 Received: by 10.151.10.14 with SMTP id n14mr596680ybi.147.1247000063686; Tue, 07 Jul 2009 13:54:23 -0700 (PDT) In-Reply-To: <4A533CEA.7000007@transip.nl> References: <4A533CEA.7000007@transip.nl> Date: Tue, 7 Jul 2009 15:54:23 -0500 Message-ID: <6201873e0907071354y453a71edh3e75391b37399fe0@mail.gmail.com> From: Adam Vande More To: RIck van der Zwet Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD HA file cluster possibilities 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: Tue, 07 Jul 2009 20:54:25 -0000 On Tue, Jul 7, 2009 at 7:17 AM, RIck van der Zwet wrote: > I been (re)searching and reading what the options are with regards to > H(igh) A(vailablility) file storage using FreeBSD, but cannot yet find a > proper working solution. Any advice welcome! > > I like to be able to mirror a full identical disk between two server. So in > case of hardware failure of server A (Master). Server B (Slave) immediately > takes over, without any loss of data. The Network configuration is easy > using ucarp/vppr. But the file system is the hard part. Paths I have > investigated: > > a) ggate & gmirror: Export system on Server B to Server A. Use gmirror on > Server A to keep identical disks. When the ggated on Server B actually goes > down, the whole setup freezes, until the ggated is back up again. Second on > network delays gmirror looses, having to sync all over again. Leaving the > machine at risk. > > b) SAN/iSCSI targets/gmirror: [Brainstorm] Have 2 iSCSI storage boxes > namely C and D. Have Server A run gmirror on the C and D. And let B pickup > on failure? Does this work? > > c) ssync/rsync: This does not suit the needs as it does not provide > realtime mirroring. Causing data-loss on failure. As rsync/ssync does not > run in realtime. > > d) drbd: http://www.drbd.org/ - Does anyone has a working (alternative) > setup on FreeBSD? > > > Any other solution/setup I am missing? Using external hardware/software is > all-right as long I am able to connect to FreeBSD with it and it leaves no > single point of failure. > > Thanks in advance! > /Rick > Is there a problem with the DRBD and Heartbeat config? -- Adam Vande More