RDS Continuous Backup to cross region
How to set up RDS(mysql) Continuous backups to cross region using aws backup service or RDS service itself. - Able to create continuous snapshot in same region, but in other region only snapshot is getting created which is not continuous in nature to achieve point in time restore.
- RDS deployment is created without Multi AZ and standby instance in our case. attached screenshot for ref
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As documentations stands the cross-region Automated Backup(PITR) is not supported neither in AWS RDS Console or AWS Backup for MySQL databases.
What's more, I observed, that AWS Backup is confusing, because when marked Enable continuous backups for point-in-time-recovery AND Copy to destination region indicated, AWS Backup does ONLY regular cross-region snapshots. What is misleading, because Enable continuous backups for point-in-time-recovery is marked, so PITR are expected. It would be nice if someone can confirm my observations.
You can configure your Amazon RDS database instance to replicate snapshots and transaction logs to a destination AWS Region of your choice. If this is what you are looking for, then here is the guide - https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReplicateBackups.html
It's not true for MySQL (the database which OP asked). Automated backups are not supported for MySQL database, following the documentation:
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I observe the same behavior. Region A has the continuous backup, but region B only has snapshots according to the schedule we define.