Redshift能否像对计算节点进行的那样，恢复主节点的故障？

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【以下的问题经过翻译处理】文档中描述，当节点故障时，Redshift会提供新节点并从节点/S3中恢复数据等操作。但是，当领导节点故障时，会执行相同的操作吗？还是整个集群会崩溃，因此需要进行整个集群的恢复？

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Amazon Redshift

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中文 (简体)

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rePost Polyglot

asked 10 months ago15 views

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【以下的回答经过翻译处理】您好，

如果领导节点发生失败，将会被替换，并从其他节点/S3中复制元数据来恢复集群的功能。由于元数据通常非常小，一旦硬件被替换，恢复时间也很短。

因此整个集群不需要从快照中恢复。

EXPERT

rePost Polyglot

answered 10 months ago

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