Querying the Storage Usage of a DB Instance

This API is used to query the total storage and used storage of a specified DB instance. Before calling this API:

GET /v3/{project_id}/instances/{instance_id}/volume-usage

**Table 1** Parameter description
Name	Mandatory	Description
project_id	Yes	Definition Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are allowed. Default Value N/A
instance_id	Yes	Definition Instance ID, which uniquely identifies an instance. Constraints N/A Range The value can contain 36 characters. Only letters and digits are allowed. Default Value N/A

None

**Table 2** Parameter description
Parameter	Type	Description
used	String	Definition Used storage space of the current instance, in GB. Range N/A
total	String	Definition Total storage space of the current instance, in GB. Range N/A

Querying the storage usage of a DB instance

GET https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3/0483b6b16e954cb88930a360d2c4e663/instances/dsfae23fsfdsae3435in14/volume-usage

Instance storage usage queried.

{
  "used" : "15.0", 
  "total" : "185.0"
}

For details, see Error Codes.

Parent topic: Storage Management

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