<br><br><div class="gmail_quote">On 18 October 2010 10:52, Florian Haas <span dir="ltr"><<a href="mailto:florian.haas@linbit.com">florian.haas@linbit.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="im">----- Original Message -----<br>
> From: "Andreas Vogelsang" <<a href="mailto:a.vogelsang@uni-muenster.de">a.vogelsang@uni-muenster.de</a>><br>
> To: <a href="mailto:pacemaker@oss.clusterlabs.org">pacemaker@oss.clusterlabs.org</a><br>
> Sent: Monday, October 18, 2010 9:46:12 AM<br>
> Subject: [Pacemaker] Question: How many nodes can join a cluster?<br>
> Hello,<br>
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><br>
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> I’m creating a presentation about a virtual Linux-HA Cluster. I just<br>
> asked me how many nodes pacemaker can handle. Mr. Schwartzkopff wrote<br>
> in his Book that Linux-HA version 2 can handle up to 16 Nodes. Is this<br>
> also true for pacemaker?<br></div></blockquote></div><br>I have been asked the same question and I said to them, let's say it is 126, what is the use of having 126 nodes in the cluster?<br>Can someone imagine himself going through the logs to find why the resource-XXX failed while there are 200 resources?!!<br>
<br>The only use of having 126 nodes is if you want to have HPC, but HPC is total different story than high available clusters.<br>Even in N+N setup I would go with more than 4 or 6 nodes.<br><br><br>My 2 cents,<br>Pavlos<br>
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