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From Mark Reddy <mark.re...@boxever.com>
Subject Re: A question to nodetool removenode command
Date Thu, 14 Aug 2014 10:01:35 GMT
Hi,

Gossip will propagate to all nodes in a cluster. So if you have a cluster
spanning DC1, DC2 and DC3 and you then remove all nodes in DC3 via nodetool
removenode from a node in DC1, all nodes in both DC1 and DC2 will be
informed of the nodes removal so no need to run it from a node in DC2.


Mark


On Thu, Aug 14, 2014 at 10:20 AM, Lu, Boying <Boying.Lu@emc.com> wrote:

> Hi, All,
>
>
>
> We have a Cassandra 2.0.7 running in three connected DCs, say DC1, DC2 and
> DC3.
>
>
>
> DC3 is powered off, so we run  ‘nodetool removenode’ command on DC1 to
> remove all nodes of DC3.
>
> Do we need to run the same command on DC2?
>
>
>
> Thanks
>
>
>
> Boying
>

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