All Products
Search
Document Center

Elastic Desktop Service:ModifyDiskSpec

Last Updated:Jan 05, 2026

Changes the performance level (PL) of a system disk or data disk.

Operation description

When creating a cloud computer in Elastic Desktop Service (EDS) Enterprise, you can use a template to define specifications that align with your business needs. By default, Enterprise Graphics or High Frequency cloud computers utilize Enterprise SSDs (ESSDs). You can customize the disk capacity and performance level (PL) of these ESSDs, and adjust the PL for both system and data disks as needed.

Note Only Enterprise Graphics or High Frequency cloud computers support disk PL adjustments.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • For mandatory resource types, indicate with a prefix of * .
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
ecd:ModifyDiskSpecupdate
*All Resources
*
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
RegionIdstringYes

The ID of the region. You can call the DescribeRegions operation to query the list of regions where Elastic Desktop Service (EDS) Enterprise is available.

cn-hangzhou
DesktopIdstringYes

The ID of the cloud computer.

ecd-2yjhqxo1monxxxxxx
RootDiskPerformanceLevelstringNo

The PL of the system disk. Only Enterprise Graphics or High Frequency cloud computers support disk PL adjustments.

Valid values:

  • PL1
  • PL0
  • PL3
  • PL2
PL1
UserDiskPerformanceLevelstringNo

The PL of the data disk. Only Enterprise Graphics or High Frequency cloud computers support disk PL adjustments.

Valid values:

  • PL1
  • PL0
  • PL3
  • PL2
PL1
PromotionIdstringNo

The ID of the sales promotion activity. You can call the DescribePrice operation to obtain the IDs of matching sales promotion activities.

youhuiquan_promotion_option_id_for_blank
AutoPaybooleanNo

Specifies whether to enable the automatic payment feature.

  • If you set the value to true, ensure your account has sufficient balance to avoid generating abnormal orders.
  • If you set the value to false, go to the Expenses and Costs page to complete the payment based on the order number.

Valid values:

  • true (default): enables the automatic payment feature.
  • false: generates the order and manually complete the payment.
false

Response parameters

ParameterTypeDescriptionExample
object
OrderIdstring

The ID of the order. You can obtain the ID of an order from the Expenses and Costs > Orders page.

219861020660568
RequestIdstring

The ID of the request.

F89BBB13-8B3B-5C8A-A700-EEFDC17B8227

Examples

Sample success responses

JSONformat

{
  "OrderId": 219861020660568,
  "RequestId": "F89BBB13-8B3B-5C8A-A700-EEFDC17B8227"
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2025-03-04The request parameters of the API has changedView Change Details
2022-06-24Add OperationView Change Details