Scaling up Storage of a Yearly/Monthly DB Instance

This API is used to scale up the storage of a yearly/monthly DB instance. Before calling this API:

POST /v3/{project_id}/instances/{instance_id}/volume/extend

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID, which is compliant with the UUID format.

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the token value.
X-Language	No	String	Request language type. The default value is en-us. Values: en-us zh-cn

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
size	Yes	Integer	Storage space after scaling. The initial minimum storage of a yearly/monthly instance is 10 GB. The new storage must be a multiple of 10 and greater than the used storage. The maximum storage is 128,000 GB. The storage must be at least 20 GB during scale-up. The storage must be at least 10 GB during scale-down.
is_auto_pay	No	String	Whether the order will be automatically paid. true: indicates the order will be automatically paid from your account. The default value is true. false: indicates the order will be manually paid.

Status code: 201

**Table 4** Response body parameters
Parameter	Type	Description
size	Integer	New storage in GB.
order_id	String	Order ID.

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Scaling up the storage of a yearly/monthly DB instance to 50 GB

POST https://{endpoint}/v3/054e292c9880d4992f02c0196d3ea468/instances/ba62a0b83a1b42bfab275829d86ac0fdin07/volume/extend
{
  "size" : 50
}

Status code: 201

Success.

{
  "size" : 50,
  "order_id" : "CS2001221129LVGUU"
}

For details, see Status Codes.

For details, see Error Codes.

Parent topic: Instance Management

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