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3 Comments on “When you run a DB Instance as a Multi-AZ deployment, th…

  1. MQ says:

    D.

    https://aws.amazon.com/rds/faqs/
    Q: What do “primary” and “standby” mean in the context of a Multi-AZ deployment?

    When you run a DB instance as a Multi-AZ deployment, the “primary” serves database writes and reads. In addition, Amazon RDS provisions and maintains a “standby” behind the scenes, which is an up-to-date replica of the primary. The standby is “promoted” in failover scenarios. After failover, the standby becomes the primary and accepts your database operations. You do not interact directly with the standby (e.g. for read operations) at any point prior to promotion.

    More about concept: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html




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  2. Chau Duc says:

    https://aws.amazon.com/rds/faqs/
    Q: What do “primary” and “standby” mean in the context of a Multi-AZ deployment?

    When you run a DB instance as a Multi-AZ deployment, the “primary” serves database writes and reads. In addition, Amazon RDS provisions and maintains a “standby” behind the scenes, which is an up-to-date replica of the primary. The standby is “promoted” in failover scenarios. After failover, the standby becomes the primary and accepts your database operations. You do not interact directly with the standby (e.g. for read operations) at any point prior to promotion




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