How long will the AWS RDS outage take when enabling backups?

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The documentation (https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithAutomatedBackups.html) states that in case of changing the retention period from 0 to some positive number, there will be an outage. Unfortunately i cannot find any info on how long will it be.

This is a production db for high availability service - and I do not want it to take like an hour or so.

The db size is significant - about 100 GB.

Does anyone know how long can it take?

2 Answers
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There is no outage to enable automated backup in RDS Service. When you modify instance and enable backup retention period there will be an I/O suspension typically for few seconds for RDS service to initiate snapshot backup of storage volumes used by RDS db engine.

AWS
answered a year ago
0

That answer is not quite correct. For RDS engines other than Aurora, the documentation is accurate: when enabling a backup retention there is a brief outage while we restart the database. It is just the time it takes to reboot the database.

AWS
MODERATOR
philaws
answered a year ago
profile pictureAWS
EXPERT
reviewed a year ago

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