Converting Our RDS Database to Multi-AZ
Understand how to convert a single-AZ RDS database to a multi-AZ deployment to improve your web application's availability. This lesson guides you through updating configurations with AWS CLI commands, monitoring the status changes, and ensuring your database is not the single point of failure in your scalable AWS architecture.
We'll cover the following...
Migrating our single AZ database
After making sure all other components are highly available, we just need to make sure the database lives up to the same standard as well. It’s important to remember that for highly available applications, the whole system is only as strong as its weakest link. Right now, this is our RDS database because it’s only deployed in a single-AZ.
Let’s change that!
Migrating our single-AZ database to a multi-AZ deployment is very straightforward. We just need to change the multi-AZ configuration option from no to yes and restart the database. ...