<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">Hi,</span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">After some feedback by @etrepum at Twitter, I feel that what I commented needs some more details, so I did some research about LVS, since that set up was done by one of our sysadmins.</span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">You can check about a LVS setup here: </span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><a href="http://www.ibiblio.org/oswg/oswg-nightly/oswg/en_US.ISO_8859-1/articles/cluster-howto/cluster-howto/index.html">http://www.ibiblio.org/oswg/oswg-nightly/oswg/en_US.ISO_8859-1/articles/cluster-howto/cluster-howto/index.html</a></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">From that page:</span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">"<span class="Apple-style-span" style="font-family: arial; font-size: medium; white-space: normal; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; ">the role of the <i class="FIRSTTERM">active router</i> is to redirect service requests from the virtual server address to the real servers." [...] </span></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><br></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><span class="Apple-style-span" style="font-family: arial; font-size: medium; white-space: normal; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; ">"<span class="Apple-style-span" style="font-family: arial; ">The active router dynamically monitors the health of the real servers, and the workload on each." [...] </span></span></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><br></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><span class="Apple-style-span" style="font-family: arial; font-size: medium; white-space: normal; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; "><span class="Apple-style-span" style="font-family: arial; ">"<span class="Apple-style-span" style="font-family: arial; ">If a real server becomes disabled, the active router stops sending jobs to the server until it returns to normal operation."</span></span></span></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><br></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; ">I hope this mails clarifies things up,</span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;"><br></span></font></div><div><font class="Apple-style-span" face="arial, helvetica, sans-serif" size="4"><span class="Apple-style-span" style="font-size: 14px; white-space: pre-wrap; -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;">Alvaro</span></font></div><div><br></div><br><div><div>On Mar 18, 2010, at 7:57 PM, Gustavo Aquino wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi,<div><br></div><div>I have done this question before for many peoples, without success, because I don't found (Documentation, discussion lists and etc) any way to do High Availability with RabbitMQ without a lot of workaround, so exist a way to do HA with RabbitMQ without implementing a lot of stuffs by client side, like recreating queues when node down, recreating configurations, recreating client connections and etc ?</div>
<div><br></div><div>What's recommendation from RabbitMQ to do HA ?</div><div><br></div><div>Someone here have done some HA implementation to RabbitMQ ?</div><div><br></div><div>Regards.</div><div><br></div><div>Gustavo</div>
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