Question-155: You have your Cassandra cluster is setup in 3 datacenters, and you want to remove one of the datacenters from the cluster. Which of the following steps at least you have to do to remove the Datacenter from the cluster?
- No client should write on the nodes in the datacenter which is going to be removed.
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Ans : A,B,C,D,E
Exp : When we need to remove an entire datacenter then it involves more steps then removing a single node. Hence, we have to be careful while doing that. And if your design has data only in one datacenter (which is absolutely wrong design). Then even you should be more careful. To remove a datacenter you have to accomplish at least following option mention in the option.
- No client should write on the nodes in the datacenter which is going to be removed.
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