This API is used to scale up storage space of an instance.

This API supports GeminiDB Cassandra instances.

POST https://{Endpoint}/v3/{project_id}/instances/{instance_id}/extend-volume

**Table 1** Path 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.

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token.

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
size	Yes	Integer	Requested storage space. It must be an integer greater than the current storage space. The maximum storage space depends on the API type and specifications.

Status code: 202

**Table 4** Response body parameters
Parameter	Type	Description
job_id	String	Task ID.

URI example

POST https://{Endpoint}/v3/375d8d8fad1f43039e23d3b6c0f60a19/instances/9136fd2a9fcd405ea4674276ce36dae8in06/extend-volume

Status code: 202

Accepted

{
  "job_id" : "04efe8e2-9255-44ae-a98b-d87cae411890"
}

For details, see Status Codes.

For details, see Error Codes.

Scaling Up Storage Space of an Instance