Description
Change the instance type or storage space configuration. The following conditions must be met:
The instance is running.
The instance is not currently performing a backup task.
Either the instance type or storage space must be specified.
When downgrading the disk space configuration, ensure that the input disk space is no less than 1.1 times the actually used space.
Currently, only regular and read-only instances allow for configuration changes. Configurations cannot be changed for disaster recovery and temporary instances.
Request parameters
| Name | Type | Required? | Description |
|---|---|---|---|
| Action | String | Yes | Required parameter. Value: ModifyDBInstanceSpec. |
| DBInstanceId | String | Yes | Instance to be upgraded/downgraded. |
| PayType | String | Yes | Postpaid. |
| DBInstanceClass | String | No | For details, see Public parameters. |
| DBInstanceStorage | Integer | No | User-defined storage space. Value range is as follows and the increment is 5 GB:
|
Return parameters
| Name | Type | Description |
|---|---|---|
| <Public Return Parameters> | - | For details, see Public parameters. |
Example
Request example
https://rds.aliyuncs.com/?Action=ModifyDBInstanceSpec&DBInstanceId=rdsaiiabnaiiabn&PayType=Postpaid&DBInstanceStorage=10&<Public Request Parameters>
Return example
XML format:
<ModifyDBInstanceSpecResponse><RequestId>3C5CFDEE-F774-4DED-89A2-1D76EC63C575</RequestId></ModifyDBInstanceSpecResponse>
JSON format:
{"RequestId": " 3C5CFDEE-F774-4DED-89A2-1D76EC63C575 "}