# AdditionalStorageVolumeProperty

Contains details about an additional storage volume for a DB instance.

RDS support additional storage volumes for RDS for Oracle and RDS for SQL Server.

- Source: Generated code
- Type last changed: v2.269.0 · 10 Sep 2026

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_rds as rds } from 'aws-cdk-lib';
const additionalStorageVolumeProperty: rds.CfnDBInstance.AdditionalStorageVolumeProperty = {
  allocatedStorage: 'allocatedStorage',
  iops: 123,
  maxAllocatedStorage: 123,
  storageOperationPercentProgress: 123,
  storageOperationStatus: 'storageOperationStatus',
  storageThroughput: 123,
  storageType: 'storageType',
  volumeName: 'volumeName',
};
```

## Properties

- `allocatedStorage`: string — The amount of storage allocated for the additional storage volume, in gibibytes (GiB).

  The minimum is 20 GiB. The maximum is 65,536 GiB (64 TiB).

- `iops`: number — The number of I/O operations per second (IOPS) provisioned for the additional storage volume.

- `maxAllocatedStorage`: number — The upper limit in gibibytes (GiB) to which RDS can automatically scale the storage of the additional storage volume.

- `storageOperationPercentProgress`: number

- `storageOperationStatus`: string

- `storageThroughput`: number — The storage throughput value for the additional storage volume, in mebibytes per second (MiBps).

  This setting applies only to the General Purpose SSD (``gp3``) storage type.

- `storageType`: string — The storage type for the additional storage volume.

  Valid Values: ``GP3 | IO2``

- `volumeName`: string — The name of the additional storage volume.

  Valid Values: ``RDSDBDATA2 | RDSDBDATA3 | RDSDBDATA4``