Scaling Up Storage Space of a DB Instance

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

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 storage space can be scaled up only when your instance status is Available or Storage full.

Parameter description

**Table 1** Parameters
Parameter	Mandatory	Description
project_id	Yes	Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID.
instance_id	Yes	Specifies the DB instance ID.

**Table 2** Parameters
Parameter	Mandatory	Type	Description
enlarge_volume	Yes	Object	Specifies the target storage space after scaling up. For details, see Table 3.

**Table 3** enlarge_volume field data structure description
Parameter	Mandatory	Type	Description
size	Yes	Integer	A DB instance can be scaled up only by a multiple of 10 GB. Value range: 40 GB to 4,000 GB

Scale up storage space of a DB instance to 400 GB.

{
	"enlarge_volume": {
		"size": 400
	}
}

Normal response

**Table 4** Parameters
Parameter	Type	Description
job_id	String	Task ID.

Example normal response

{
	"job_id": "2b414788a6004883a02390e2eb0ea227"
}

For details, see Error Codes.

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