Migrating a Standby DB Instance
Function
This API is used to migrate a standby DB instance to another AZ based on service requirements.
- Before calling an API, you need to understand the API in Authentication.
Constraints
- This API is only available to RDS for MySQL and RDS for PostgreSQL.
- Primary/standby instances running MySQL 5.6, 5.7, or 8.0 support standby instance migration to another AZ. To migrate an RDS for MySQL 8.0 standby instance, contact customer service to apply for the required permissions.
- 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
- Parameter description
Table 1 Parameter description Name
Mandatory
Description
project_id
Yes
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
Name |
Mandatory |
Type |
Description |
---|---|---|---|
nodeId |
Yes |
String |
ID of the standby DB instance. |
azCode |
Yes |
String |
Code of the AZ to which the standby DB instance is to be migrated. Specify an AZ code other than the original one after obtaining the codes of the AZs where the instance specifications are supported from Querying Database Specifications. |
Example Request
POST https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/dsfae23fsfdsae3435in01/migrateslave { "nodeId": "0119b1068b874cb4a5202989a06b6094no01", "azCode": "az2" }
Response
- Normal response
Name
Description
workflowId
Indicates the workflow ID.
- Example normal response
{ "workflowId":"7b55d6ca-dc8e-4844-a9da-6c53a1506db3" }
- Abnormal response
For details, see Abnormal Request Results.
Status Code
- Normal
- Abnormal
For details, see Status Codes.
Error Code
For details, see Error Codes.
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