You can call this operation to modify the name or description of a storage capacity unit (SCU).

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes ModifyStorageCapacityUnitAttribute

The operation that you want to perform. If you use a custom HTTP or HTTPS URL to make an API request, you must specify the Action parameter. Set the value to ModifyStorageCapacityUnitAttribute.

RegionId String Yes cn-hangzhou

The region ID of the SCU. You can call the DescribeRegions operation to query the most recent region list.

StorageCapacityUnitId String Yes scu-bp67acfmxazb4p****

The ID of the SCU.

Name String No NewScu

The name of the SCU. It must be 2 to 128 characters in length and can contain letters, digits, colons (:), underscores (_), and hyphens (-). It must start with a letter but cannot start with http:// or https://.

Description String No NewScu

The description of the SCU. It must be 2 to 256 characters in length and cannot start with http:// or https://.

Response parameters

Parameter Type Example Description
RequestId String 473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

The ID of the request.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=ModifyStorageCapacityUnitAttribute
&RegionId=cn-qingdao
&Name=NewScu
&<Common request parameters>

Sample success responses

XML format

<ModifyStorageCapacityUnitAttributeResponse>
        <RequestId>04F0F334-1335-436C-A1D7-6C044FE73368</RequestId>
</ModifyStorageCapacityUnitAttributeResponse>

JSON format

{
    "RequestId": "04F0F334-1335-436C-A1D7-6C044FE73368"
}

Error codes

HTTP status code Error code Error message Description
400 MissingParameter.RegionId The specified RegionId should not be null. The error message returned because the RegionId parameter is not specified.
400 InvalidParameter.Name The specified Name is invalid. The error message returned because the specified Name parameter is invalid.

For a list of error codes, visit the API Error Center.