Cross-region replication Amazon S3 allows you to a synchronously replicate all new objects in the source bucket in one AWS region to a target bucket in another region.

cross-region replication - if check 14803 - Cross-Region Replication Versioning must been abled on both the source and destination buckets.

cross-region replication - if check 14803 - Cross-Region Replication Regions must be unique.

cross-region replication - if check 14803 - Cross-Region Replication Files in an existing bucket are not replicated automatically. All subsequent/future updated files will be replicated automatically.

cross-region replication - if check 14803 - Cross-Region Replication You can not replicate to multiple buckets or use daisy chaining (at this time).

cross-region replication - if check 14803 - Cross-Region Replication  Cross-region replication is used to reduce the latency required to access objects in Amazon S3 by placing objects closer to a set of users or to meet requirements to store backup data at a certain distance from the original source data.

cross-region replication - if check 14803 - Cross-Region Replication Delete markers are replicated.

cross-region replication - if check 14803 - Cross-Region Replication Deleting individual versions or delete markers will not be replicated.

cross-region replication - if check 14803 - Cross-Region Replication Amazon S3 must have permission to replicate objects from that source bucket to the destination bucket on your behalf.

cross-region replication - if check 14803 - Cross-Region Replication You can grant these permissions by creating an IAM role that Amazon S3 can assume.

Steps to enable cross region replication:

Select S3 bucket that you want to replicate,Select Replication option under Management.

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We can replicate the entire bucket or we can use particular prefixes(i.e;all objects that have names that begin with the string pictures)

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  • On the Destination tab, under Destination bucket, select destination bucket for the replication.You can choose a destination bucket from same account or we can choose to create new bucket, or else we can replicate the data to a destination bucket from a different AWS account.
  • Give a valid name for the replication rule.
  • We can change the object storage class for the destination bucket,if required.
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We have to create an IAM role for replication. Role is“s3crr_role_for_source_to_destination”

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Review and click on save to activate the cross region replication on the bucket.

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After you save your rule,you can edit,enable,disable,or delete your rule on the Replication page.a

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