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From Utku Can Topçu <u...@topcu.gen.tr>
Subject Re: Replacing nodes of the cluster in 0.7.0-RC1
Date Sun, 05 Dec 2010 11:49:22 GMT
Since no reply came in afew days, I tried my proposed steps and it all
worked fine.

Just to let you know.

On Sat, Dec 4, 2010 at 10:31 PM, Utku Can Topçu <utku@topcu.gen.tr> wrote:

>  Hi All,
>
> I'm currently not happy with the hardware and the operating system of our
> 4-node cassandra cluster. I'm planning to move the cluster to a different
> hardware/OS architecture.
>
> For this purpose I'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.
>
> As far as I remember, cassandra had been causing problems when there was an
> IP change back in version 0.6?
>
> So what steps should I take to achieve this?
>
> Will s straight forward approach like this work?,
> * drain all nodes
> * copy the data files to new hosts
> * change configration, seeds, datadir, tokens etc...
> * bring up the cluster
>
> Regards,
> Utku
>

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