Changing a Single DB Instance to Primary/Standby DB Instances

Function

This API is used to change a single DB instance to primary/standby DB instances.

• Before calling this API, learn how to authenticate it.
• Before calling this API, learn about request header parameters.

Constraints

• Single DB instances with certain specifications cannot be changed to primary/standby DB instances.

URI

• URI format

  POST /v3/{project_id}/instances/{instance_id}/action

• Parameter description

  Table 1 Parameters

  Parameter	Mandatory	Description
  project_id	Yes	Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID.
  instance_id	Yes	Specifies the DB instance ID.

Request

Example Request

• Change a pay-per-use RDS for MySQL or RDS for PostgreSQL DB instance from single to primary/standby.

  {
  	"single_to_ha": {
  		"az_code_new_node": "az2xahz"
  	}
  }

Response

• Pay-per-use DB instances
  • Normal response

    Table 4 Parameters

    Parameter	Type	Description
    job_id	String	Task ID.

  • Example normal response

    {
    	"job_id": "2b414788a6004883a02390e2eb0ea227"
    }

  • Abnormal response

    For details, see Abnormal Request Results.

Status Code

• Normal

  202

• Abnormal

  For details, see Status Codes.

Error Code

For details, see Error Codes.