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From "Lu, Boying" <>
Subject RE: A question to nodetool removenode command
Date Thu, 14 Aug 2014 11:43:36 GMT
Thanks a lot ☺

From: Mark Reddy []
Sent: 2014年8月14日 18:02
Subject: Re: A question to nodetool removenode command


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.


On Thu, Aug 14, 2014 at 10:20 AM, Lu, Boying <<>>
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?



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