Dissociates a high-availability virtual IP address (HAVIP) from an Elastic Compute Service (ECS) instance in a virtual private cloud (VPC).

When you call this operation, note that:

  • The ECS instance must be in the Running or Stopped state.
  • The HAVIP must be in the Available or InUse state.

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 UnassociateHaVip

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

HaVipId String Yes havip-2zeo05qre24nhrqpy****

The ID of the HAVIP that you want to disassociate from the ECS instance.
InstanceId String Yes i-faf344422ffsfad****

The ID of the ECS instance from which you want to disassociate the HAVIP.
RegionId String Yes cn-shanghai

The region ID of the HAVIP. You can call the DescribeRegions operation to query region IDs.

ClientToken String No 0c593ea1-3bea-11e9-b96b-88e9fe637760

The client token that is used to guarantee the idempotence of the request. You can use the client to generate a value that is unique among different requests. ClientToken supports only ASCII characters.

It can contain up to 64 ASCII characters.
Force String No True

Specifies whether to forcibly disassociate the HAVIP.

  • True: yes.
  • False (default value): no.
Note If you set this parameter to False, you cannot disassociate the HAVIP from a primary ECS instance.

Response parameters

Parameter Type Example Description
RequestId String C44F62BE-9CE7-4277-B117-69243F3988BF

The request ID.

Examples

Sample requests

https://vpc.aliyuncs.com/?Action=UnassociateHaVip
&HaVipId=havip-2zeo05qre24nhrqpy****
&InstanceId=i-faf344422ffsfad****
&RegionId=cn-shanghai
&<Common request parameters>

Sample success responses

XML format 

<UnassociateHaVipResponse> 
  <RequestId>C44F62BE-9CE7-4277-B117-69243F3988BF</RequestId> 
</UnassociateHaVipResponse>

JSON format 

{
"RequestId": "C44F62BE-9CE7-4277-B117-69243F3988BF" 
}

Error codes

HttpCode Error code Error message Description
404 InvalidHaVipId.NotFound The specified HaVip does not exist in the specified region. The error message returned because the specified HAVIP does not exist in the specified region. Check whether the region is correct.
404 InvalidInstanceId.NotFound The specified Instance does not exist in the specified region. The error message returned because the instance does not exist in the specified region.
400 IncorrectHaVipStatus HaVip can be operated by this action only when it's status is InUse. The error message returned because the operation can be performed only when the HAVIP is in the InUse state.
400 IncorrectInstanceStatus ECS instance can be operated by this action only when it's status is Running or Stopped. The error message returned because the operation can be performed only when the ECS instance is in the Running or Stopped state.
400 ResourceNotAssociated The HaVip and ECS instance are not associated. The error message returned because the HAVIP is not associated with the ECS instance.
400 Forbidden.UnassociateMaster Unassociating a master instance is not allowed unless the parameter Force is True. The error message returned because the Force parameter is set to False.
500 InternalError The request processing has failed due to some unknown error. The error message returned because unknown errors have occurred.

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