无需停机即可将生产环境cassandra集群移至AWS cassandra [英] Move production env cassandra cluster to AWS cassandra without downtime

问题描述

我有4个节点的cassandra集群在本地DC中的生产环境中运行.我必须将其移至AWS cassandra.由于某些原因，我不想将cassandra移至dynamoDB.

I have cassandra cluster of 4 nodes running in production environment in on-premise DC. I have to move it to AWS cassandra. I don't want move cassandra to dynamoDB due to some reason.

使用的Cassandra版本相当旧，即1.2.9.

Cassandra version used is pretty old i.e. 1.2.9.

如何将cassandra从本地DC迁移到AWS cassandra，而不会造成数据丢失和零停机时间.

How do I move cassandra from on-premise DC to AWS cassandra without data loss and zero downtime.

关于， Vivek

推荐答案

在AWS中创建新的DC.在两个DC之间配置DC间同步.拆除旧的DC.

Create a new DC in AWS. Configure inter DC sync between the both DCs. Decommision the old DC.

https://docs.datastax.com/en/cassandra/3.0/cassandra/operations/opsAddDCToCluster.html

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