<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>I would be very interested in this guide if and when it becomes available. Is there a way we can be notified of it?</div><div><br><blockquote type="cite"><div><font class="Apple-style-span" color="#000000"><br></font>Message: 1<br>Date: Mon, 22 Mar 2010 12:11:42 +0000<br>From: Matthew Sackman <<a href="mailto:matthew@lshift.net">matthew@lshift.net</a>><br>Subject: Re: [rabbitmq-discuss] High Availability<br>To: Mark Steele <<a href="mailto:msteele@beringmedia.com">msteele@beringmedia.com</a>><br>Cc: <a href="mailto:rabbitmq-discuss@lists.rabbitmq.com">rabbitmq-discuss@lists.rabbitmq.com</a><br>Message-ID: <<a href="mailto:20100322121141.GC19832@mrnibble.lshift.net">20100322121141.GC19832@mrnibble.lshift.net</a>><br>Content-Type: text/plain; charset=us-ascii<br><br>On Fri, Mar 19, 2010 at 03:32:15PM -0400, Mark Steele wrote:<br><blockquote type="cite">If you are looking for high availability, the only way that I am aware of is<br></blockquote><blockquote type="cite">to use something like DRBD (or SAN backed storage) along with a cluster<br></blockquote><blockquote type="cite">resource manager (eg: corosync/heartbeat/etc) and make all your messages<br></blockquote><blockquote type="cite">durable and persist to disk.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">You can then scale clusters (eg multiple 2-node clusters) for reaching scale<br></blockquote><blockquote type="cite">using Erlang's native cluster capabilities without sacrificing on high<br></blockquote><blockquote type="cite">availability. A load balancer won't help with HA unless you have some<br></blockquote><blockquote type="cite">mechanism for ensuring messages replicate between nodes.<br></blockquote><br>Yes. We now have an OCF script and HA guide which is currently going<br>through QA which makes this dance easier and documents the process.<br><br>Matthew<br><br></div></blockquote></div><br></body></html>