DisasterDowngrade - ApsaraMQ for MQTT - Alibaba Cloud Documentation Center

Downgrades the virtual IP address (VIP) access of a specific instance during the disaster recovery of multiple instances. Only Enterprise Platinum Edition instances support this operation. To call the operation, you must submit a ticket.

Debugging

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Debug

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

Parameter	Type	Required	Description	Example
InstanceId	string	Yes	The ID of the ApsaraMQ for MQTT instance.	mqtt-cn-xxx
DowngradeInstanceId	string	Yes	The ID of the ApsaraMQ for MQTT instance for which you want to downgrade the VIP access.	mqtt-cn-xxxx

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
RequestId	string	The request ID.	82B9E503-F4A1-4F30-976F-C6999FF9****
Code	integer	The response code. The status code 200 indicates that the request was successful. Other status codes indicate that the request failed. For information about error codes, see Error codes.	200
Success	boolean	Indicates whether the request was successful. Valid values: true and false.	True
Message	string	The returned message.	operation success.
AccessDeniedDetail	string	The details about the access denial. This parameter is returned only if Resource Access Management (RAM) permission verification failed.	None

Examples

Sample success responses

JSONformat

{
  "RequestId": "82B9E503-F4A1-4F30-976F-C6999FF9****",
  "Code": 200,
  "Success": true,
  "Message": "operation success.",
  "AccessDeniedDetail": "None"
}

Error codes

HTTP status code	Error code	Error message
400	InstancePermissionCheckFailed	An error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings.
400	InvalidParameter.%s	An error occurred while validating the parameter. The parameter may be missing or invalid.
404	ApiNotSupport	The specified API is not supported.
500	InternalError	An error occurred while processing your request. Try again later.

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