Unable to upgrade RDS from gp2 to gp3 in management console

Question

See attached image. I am going to configure in the management console and set the storage type to gp3, that's it. It is automatically choosing the minimum/default values of 3000 IOPS and 125mbps for me. I have tried changing the disk size as well.

You can't specify IOPS or storage throughput for engine postgres and a storage size less than 400.

Enter image description here

`You can't specify IOPS or storage throughput for engine postgres and a storage size less than 400.`

![Enter image description here](/media/postImages/original/IMhvS8zEcyQ-iGtfENlKzNGA)

Accepted Answer

If the console does not give the expected results, you can always use the CLI.

This worked for me:

```
aws rds modify-db-instance \
    --db-instance-identifier your-instance-name \
    --storage-type gp3 \
    --apply-immediately
```

Answer

In this case, you can either increase the storage size of your RDS instance to meet the minimum requirement of 400 GB or consider changing the database engine to one that allows you to specify IOPS and storage throughput for gp3 storage.

If you decide to increase the storage size of your RDS instance, you can do so by modifying the RDS instance in the AWS Management Console and selecting a larger storage size. Keep in mind that increasing the storage size may also increase the cost of your RDS instance.

Alternatively, you could consider changing the database engine to one that supports gp3 storage and allows you to specify IOPS and storage throughput. For example, the MySQL and Oracle database engines support gp3 storage and allow you to configure IOPS and storage throughput. However, keep in mind that changing the database engine may require you to modify your application code and database schema to ensure compatibility with the new engine.

Unable to upgrade RDS from gp2 to gp3 in management console

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