You can call this operation to query one or more storage capacity units (SCUs).

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 DescribeStorageCapacityUnits

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 DescribeStorageCapacityUnits.

RegionId String Yes cn-hangzhou

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

PageNumber Integer No 1

The number of the page to return.

Pages start from page 1.

Default value: 1
PageSize Integer No 1

The number of entries to return on each page.

Valid values: 1 to 100

Default value: 10
Name String No Scu

The name of the SCU.
Capacity Integer No 20

The capacity of the SCU. Unit: GiB. Valid values: 20, 40, 100, 200, 500, 1024, 2048, 5120, 10240, 20480, and 51200.

This parameter is empty by default.
StorageCapacityUnitId.N RepeatList No scu-bp67acfmxazb4p****

The ID of SCU N. Valid values of N: 1 to 100.
Status.N RepeatList No Active

The status of SCU N. Valid values of N: 1 to 10. Valid values of this parameter:

  • Creating: The SCU is being created.
  • Active: The SCU is enabled.
  • Expired: The SCU has expired.
  • Pending: The SCU is waiting to take effect.

This parameter is empty by default.

Response parameters

Parameter Type Example Description
PageNumber Integer 1

The page number of the returned page.
PageSize Integer 1

The number of entries returned per page.
RequestId String 473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

The ID of the request.
StorageCapacityUnits Array

An array consisting of StorageCapacityUnits data.
StorageCapacityUnit
Capacity Integer 20

The capacity of the SCU.
CreationTime String 2019-09-25T02:12:00Z

The time when the SCU was created.
Description String NewScu

The description of the SCU.
ExpiredTime String 2019-09-25T02:12:00Z

The time when the SCU expires.
Name String NewScu

The name of the SCU.
RegionId String cn-hangzhou

The region ID of the SCU.
StartTime String 2019-09-25T02:00:00Z

The time when the SCU took effect.
Status String Active

The status of the SCU.
StorageCapacityUnitId String scu-bp67acfmxazb4p****

The ID of the SCU.
TotalCount Integer 4

The total number of SCUs.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=DescribeStorageCapacityUnits
&RegionId=cn-hangzhou
&<Common request parameters>

Sample success responses

XML format 

<DescribeStorageCapacityUnitsResponse>
      <PageNumber>1</PageNumber>
      <PageSize>1</PageSize>
      <RequestId>473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E</RequestId>
      <StorageCapacityUnits>
            <StorageCapacityUnit>
                  <Capacity>20</Capacity>
                  <CreationTime>2019-09-25T02:12:00Z</CreationTime>
                  <Description>NewScu</Description>
                  <ExpiredTime>2019-09-25T02:12:00Z</ExpiredTime>
                  <Name>NewScu</Name>
                  <OfferingType>All Upfront</OfferingType>
                  <RegionId>cn-hangzhou</RegionId>
                  <StartTime>2019-09-25T02:00:00Z</StartTime>
                  <Status>Active</Status>
                  <StorageCapacityUnitId>scu-bp67acfmxazb4p****</StorageCapacityUnitId>
            </StorageCapacityUnit>
      </StorageCapacityUnits>
      <TotalCount>4</TotalCount>
</DescribeStorageCapacityUnitsResponse>

JSON format 

{
    "PageNumber": "1",
    "PageSize": "1",
    "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E",
    "StorageCapacityUnits": {
        "StorageCapacityUnit": [{
            "Capacity": "20",
            "CreationTime": "2019-09-25T02:12:00Z",
            "Description": "NewScu",
            "ExpiredTime": "2019-09-25T02:12:00Z",
            "Name": "NewScu",
            "OfferingType": "All Upfront",
            "RegionId": "cn-hangzhou",
            "StartTime": "2019-09-25T02:00:00Z",
            "Status": "Active",
            "StorageCapacityUnitId": "scu-bp67acfmxazb4p****"
    
        }] 
    },    
    "TotalCount": "4"
}

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.
400 InvalidParameter.CapacityExceed The specified Capacity exceeds the limitation of quota. The error message returned because the specified Capacity parameter has exceeded the upper limit.

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