Since no reply came in afew days, I tried my proposed steps and it all worked fine.<br><br>Just to let you know.<br><br><div class="gmail_quote">On Sat, Dec 4, 2010 at 10:31 PM, Utku Can Topçu <span dir="ltr">&lt;<a href="mailto:utku@topcu.gen.tr">utku@topcu.gen.tr</a>&gt;</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;"> Hi All,<br><br>I&#39;m currently not happy with the hardware and the operating system of our 4-node cassandra cluster. I&#39;m planning to move the cluster to a different hardware/OS architecture. <br>

<br>For this purpose I&#39;m planning to bring up 4 new nodes, so that each node will be a replacement of another node in the current cluster. I would also like to note that the IP adresses will be also changing.<br>
<br>As far as I remember, cassandra had been causing problems when there was an IP change back in version 0.6?<br><br>So what steps should I take to achieve this?<br><br>Will s straight forward approach like this work?, <br>


* drain all nodes<br>* copy the data files to new hosts<br>* change configration, seeds, datadir, tokens etc...<br>* bring up the cluster<br><br>Regards,<br><font color="#888888">Utku<br>
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