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Why Bucket Versioning Needs To Be Enabled During Cross Region Replication In AWS

In this article, we will understand why bucket versioning needs to be enabled during Cross Region Replication in AWS.

Scenario

Consider a scenario where we have 2 buckets i.e., Bucket 1 and Bucket 2.

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Let us assume that the transfer got initiated at 7:30 PM.

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At 7:31 PM, the file is deleted by the user and the transfer is 30% completed.

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So, the transfer will be stopped because the file in Bucket 1 is deleted. So, the purpose of Cross Region Replication will be defeated.

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