Why am I receiving an error when copying my ElastiCache snapshot?
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I'm trying to copy my Amazon ElastiCache for Redis snapshot or backup to an Amazon Simple Storage Service (Amazon S3) bucket. The copy operation is stuck or failing. How can I troubleshoot this?
Short description
ElastiCache snapshot copy operations might fail or get stuck for one of the following reasons:
The destination S3 bucket is not in the same Region as the snapshot.
S3 doesn't have the necessary permission to access ElastiCache.
The user doesn't have the proper Identify and Access Management (IAM) policy set to access an S3 bucket.
Make sure that you're not using data tiering in your cluster. Data tiering is turned on by default if you're using a combination of Redis engine version 6.2n or later with the rdg cache node family.