Disassociates one or more ApsaraDB RDS instances from a scaling group.


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 DetachDBInstances

The operation that you want to perform. Set the value to DetachDBInstances.

ScalingGroupId String Yes asg-bp1igpak5ft1flyp****

The ID of the scaling group.

ForceDetach Boolean No false

Specifies whether to remove the private IP addresses of instances in the scaling group from the whitelist that manages access to the ApsaraDB RDS instance with which the scaling group is associated. Valid values:

  • true
  • false

Default value: false.

ClientToken String No 123e4567-e89b-12d3-a456-42665544****

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests.

The token can only contain ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotence.

RegionId String No cn-qingdao

The ID of the region where the scaling group resides.

DBInstance.N String Yes rm-bp12cy3****

The ID of ApsaraDB RDS instance N. You can disassociate up to five ApsaraDB RDS instances from a scaling group at a time.

Response parameters

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

The ID of the request.


Sample requests

&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK


JSON format

HTTP/1.1 200 OK

  "RequestId" : "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E"

Error codes

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

HTTP status code

Error code

Error message




The specified scaling group does not exist.

The error message returned because the scaling group does not exist within the Alibaba Cloud account.



DB instance "%s" does not exist.

The error message returned because the ApsaraDB RDS instance does not exist.