ModifyHADiagnoseConfig - ApsaraDB RDS - Alibaba Cloud Documentation Center

Change the availability check method of an instance.

Operation description

Supported database engines

MySQL
PostgreSQL
SQL Server
MariaDB

References

Note Before you call this operation, read the following documentation and make sure that you fully understand the prerequisites and impacts of this operation.

What is availability check?

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.

Debug

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:
- The required resource types are displayed in bold characters.
- 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.

Operation	Access level	Resource type	Condition key	Associated operation
rds:ModifyHADiagnoseConfig	update	DBInstance acs:rds:{#regionId}:{#accountId}:dbinstance/{#dbinstanceId}	rds:ResourceTag	none

Request parameters

Parameter	Type	Required	Description	Example
DBInstanceId	string	Yes	The instance ID. You can call the DescribeDBInstances operation to query the instance ID.	rm-uf6wjk5xxxxxxxxxx
TcpConnectionType	string	Yes	The availability check method of the instance. Valid values: SHORT: Alibaba Cloud uses short-lived connections to check the availability of the instance. LONG: Alibaba Cloud uses persistent connections to check the availability of the instance.	SHORT
RegionId	string	Yes	The region ID. You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou

Response parameters

Parameter	Type	Description	Example
	object	The response parameters.
RequestId	string	The ID of the request.	9EFA6DF3-5247-4D9D-80AA-68765BE6D5EA

Examples

Sample success responses

JSONformat

{
  "RequestId": "9EFA6DF3-5247-4D9D-80AA-68765BE6D5EA"
}

Error codes

HTTP status code	Error code	Error message
400	HaDiagnoseConfig.Format	The value of tcpConnectionType must be LONG or SHORT

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

Change history

Change time	Summary of changes	Operation

No change history