From owner-freebsd-isp Tue Dec 11 8:52:34 2001 Delivered-To: freebsd-isp@freebsd.org Received: from c007.snv.cp.net (c007-h013.c007.snv.cp.net [209.228.33.220]) by hub.freebsd.org (Postfix) with SMTP id 0DA5337B417 for ; Tue, 11 Dec 2001 08:52:29 -0800 (PST) Received: (cpmta 23224 invoked from network); 11 Dec 2001 08:52:13 -0800 Received: from 216.227.100.85 (HELO vector) by smtp.telocity.com (209.228.33.220) with SMTP; 11 Dec 2001 08:52:13 -0800 X-Sent: 11 Dec 2001 16:52:13 GMT From: "Dustin Puryear" To: "Gabriel Ambuehl" Cc: Subject: RE: Re[8]: Using DNAT and DNS round-robin Date: Tue, 11 Dec 2001 11:00:10 -0600 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) In-Reply-To: <164616459602.20011211165700@buz.ch> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Importance: Normal Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org > > Well, one solution to this type of problem is to use remote storage > > such as NAS. > > NAS has got the big problem of being a single point of failure. But Not necessarily. There are a few NAS HA solutions out there. I know that NetApps has one. In fact, I doubt the whole NAS industry would get far without it. > > I am working with another client that uses several webservers that > > hit a few Snap servers for all of their data. Using this method we > > can load-balance (using LVS and Red Hat's High Availability > > Services) to our heart's content. But you are correct that there is > > a problem if you leave the data on the local drive of each server. > > I'm working on something like FVS and despite the currently non > existent VS fail over and FS replication parts, it's working pretty > well (save for that fact that ipnat currently doesn't provide any > other load balancing than round robin but OTOH, the system is capable > to skip NAT altogether and use DNS round robin or whatever else which > isn't possible with LVS, IIRC). I'm not familiar with FVS. What is it? > I'm currently trying to port it to Linux (for a consulting client) > but > since Linux won't support bidirectional popen(), I'm somewhat stuck > until I manage to get a custom version of it to work... Sounds like you have a fun week ahead of you. Good luck. Regards, Dustin --- Dustin Puryear Information Systems Consultant http://members.telocity.com/~dpuryear In the beginning the Universe was created. This has been widely regarded as a bad move. - Douglas Adams To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message