Migrating a Standby DB Instance

Function

This API is used to migrate a standby DB instance based on service requirements.

Constraints

  • This API is supported for MySQL and PostgreSQL.

  • This API is supported for primary/standby DB instances only.

  • The standby DB instance cannot be migrated if the primary DB instance is in any of the following statuses: creating, rebooting, upgrading, changing instance class, changing port, creating users, or deleting users.

URI

  • URI format

    POST https://{Endpoint}/v3/{project_id}/instances/{instance_id}/migrateslave

  • Parameter description

    Table 1 Parameter description

    Name

    Mandatory

    Description

    project_id

    Yes

    Specifies the project ID of a tenant in a region.

    For details about how to obtain the project ID, see Obtaining a Project ID.

    instance_id

    Yes

    Specifies the DB instance ID.

Request

Response

  • Normal response

    Name

    Description

    workflowId

    Indicates the workflow ID.

    For details about how to query this parameter, see Obtaining Task Information.

  • Example normal response

    {
        "workflowId":"7b55d6ca-dc8e-4844-a9da-6c53a1506db3"
    }
    
  • Abnormal response

    For details, see Abnormal Request Results.

Status Code

Error Code

For details, see Error Codes.