Scaling Up Storage Space of a DB Instance¶
Function¶
This API is used to scale up storage space of a DB instance.
Before calling an API, you need to understand the API in Authentication.
Before calling this API, obtain the required region and endpoint.
Constraints¶
The sizes of the primary and standby DB instances are the same. When you scale the primary DB instance, its standby DB instance is also scaled.
The DB instances can be scaled when they are in the Available state.
URI¶
URI format
POST https://{Endpoint}/v3/{project_id}/instances/{instance_id}/action
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¶
Parameter description
¶ Name
Mandatory
Type
Description
enlarge_volume
Yes
Object
Specifies the target storage space after scaling up.
For details, see Table 3.
¶ Name
Mandatory
Type
Description
size
Yes
Integer
The minimum start value of each scaling is 10 GB. A DB instance can be scaled up only by a multiple of 10 GB. Value range: 10 GB to 4000 GB
Example
Request example
{ "enlarge_volume": { "size": 400 } }
Response¶
Normal response
¶ Name
Type
Description
job_id
String
Indicates the 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.