allocatedStorage
The amount of storage in gibibytes (GiB) to allocate for the DB instance.
This setting doesn't apply to Amazon Aurora DB instances. Aurora cluster volumes automatically grow as the amount of data in your database increases, though you are only charged for the space that you use in an Aurora cluster volume.
Amazon RDS Custom
Constraints to the amount of storage for each storage type are the following:
General Purpose (SSD) storage (gp2, gp3): Must be an integer from 40 to 65536 for RDS Custom for Oracle, 16384 for RDS Custom for SQL Server.
Provisioned IOPS storage (io1, io2): Must be an integer from 40 to 65536 for RDS Custom for Oracle, 16384 for RDS Custom for SQL Server.
RDS for Db2
Constraints to the amount of storage for each storage type are the following:
General Purpose (SSD) storage (gp3): Must be an integer from 20 to 65536.
Provisioned IOPS storage (io1, io2): Must be an integer from 100 to 65536.
RDS for MariaDB
Constraints to the amount of storage for each storage type are the following:
General Purpose (SSD) storage (gp2, gp3): Must be an integer from 20 to 65536.
Provisioned IOPS storage (io1, io2): Must be an integer from 100 to 65536.
Magnetic storage (standard): Must be an integer from 5 to 3072.
RDS for MySQL
Constraints to the amount of storage for each storage type are the following:
General Purpose (SSD) storage (gp2, gp3): Must be an integer from 20 to 65536.
Provisioned IOPS storage (io1, io2): Must be an integer from 100 to 65536.
Magnetic storage (standard): Must be an integer from 5 to 3072.
RDS for Oracle
Constraints to the amount of storage for each storage type are the following:
General Purpose (SSD) storage (gp2, gp3): Must be an integer from 20 to 65536.
Provisioned IOPS storage (io1, io2): Must be an integer from 100 to 65536.
Magnetic storage (standard): Must be an integer from 10 to 3072.
RDS for PostgreSQL
Constraints to the amount of storage for each storage type are the following:
General Purpose (SSD) storage (gp2, gp3): Must be an integer from 20 to 65536.
Provisioned IOPS storage (io1, io2): Must be an integer from 100 to 65536.
Magnetic storage (standard): Must be an integer from 5 to 3072.
RDS for SQL Server
Constraints to the amount of storage for each storage type are the following:
General Purpose (SSD) storage (gp2, gp3):
Enterprise and Standard editions: Must be an integer from 20 to 16384.
Web and Express editions: Must be an integer from 20 to 16384.
Provisioned IOPS storage (io1, io2):
Enterprise and Standard editions: Must be an integer from 100 to 16384.
Web and Express editions: Must be an integer from 100 to 16384.
Magnetic storage (standard):
Enterprise and Standard editions: Must be an integer from 20 to 1024.
Web and Express editions: Must be an integer from 20 to 1024.