Changing the Failover Priority

Function

This API is used to change the failover priority for primary/standby DB instances to meet different service requirements. You can select reliability or availability.

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

Constraints

• This API is available to RDS for MySQL only.
• This API is supported for primary/standby DB instances only.
• The failover priority cannot be changed if the DB instance is in any of the following statuses: creating, upgrading, creating users, or deleting users.

URI

• URI format

  PUT /v3/{project_id}/instances/{instance_id}/failover/strategy

• Parameter description

  Table 1 Parameter description

  Name	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 the failover priority of a DB instance to availability.

{
     "repairStrategy": "availability"
}

Response

• Normal response

  None

• Example normal response

  {}

• Abnormal response

  For details, see Abnormal Request Results.

Status Code

• Normal

  200

• Abnormal

  For details, see Status Codes.

Error Code

For details, see Error Codes.