Updated on 2025-10-24 GMT+08:00

Querying the Database Disk Type

Function

This API is used to query the database disk type in the current region.

URI

URI format
GET /v3/{project_id}/storage-type
URI example
https://dds.ap-southeast-1.myhuaweicloud.com/v3/0549b4a43100d4f32f51c01c2fe4acdb/storage-type?engine_name=DDS-Community

**Table 1** Path parameters
Name	Mandatory	Type	IN	Description
project_id	Yes	string	path	Definition Project ID of a tenant in a region. To obtain the project ID, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A

**Table 2** Query parameters
Name	Mandatory	Type	IN	Description
engine_name	No	string	query	Definition Specifies the database type. To obtain this value, see Querying Database Version Information. Constraints The value is DDS-Community. Range N/A Default Value N/A

Request Parameters

**Table 3** Request header parameters
Name	Mandatory	Type	IN	Description
x-auth-token	Yes	string	header	Definition User token obtained from IAM. For details, see Authentication. Constraints N/A Range N/A Default Value N/A

Response Parameters

**Table 4** Parameter description
Name	Mandatory	Type	Description
storage_type	Yes	Array of objects	Definition Indicates the database disk information list. For more information, see Table 5. Range N/A
dss_pool_info	Yes	Array of objects	Definition Indicates the dedicated storage specifications information list. For more information, see Table 6. NOTE: Only Dedicated Cloud (DeC) users are supported. Range N/A

**Table 5** storage_type field data structure description
Name	Mandatory	Type	Description
name	Yes	String	Definition Storage type. Range ULTRAHIGH: indicates SSD. EXTREMEHIGH indicates ESSD.
az_status	Yes	Map<String,String>	Definition key indicates the AZ ID, and value indicates the specification status in the AZ. Range normal: indicates that the specification is on sale. unsupported: The disk type is not supported. sellout: indicates the specifications are sold out.

**Table 6** dss_pool_info field data structure description
Name	Mandatory	Type	Description
az_name	Yes	String	Definition AZ where the dedicated storage pool resides. Range N/A
free_capacity_gb	Yes	String	Definition Indicates the available capacity of DSS. Unit: GB Range N/A
dss_pool_volume_type	Yes	String	Definition Indicates the disk type of DSS storage pool. Range N/A
dss_pool_id	Yes	String	Definition Indicates the DSS pool ID. Range N/A
dss_pool_status	Yes	String	Definition Current status of the dedicated storage pool. Range available deploying enlarging frozen sellout

In the example response, az1, az2, and az3 in the az_status field are example values.

Example Requests

GET https://{endpoint}/v3/054e292c9880d4992f02c0196d3ea468/storage-type

Example Responses

{
  "storage_type": [
    {
      "name": "ULTRAHIGH",
      "az_status": {
        "az1": "normal",
        "az2": "normal"
      }
    }
  ],
  "dss_pool_info": [
    {
      "az_name": "az1xahz",
      "free_capacity_gb": 150,
      "dss_pool_volume_type": "ULTRAHIGH",
      "dss_pool_id": "f5f84ed7-6f19-4bd4-99d7-b450ad6cc4df",
      "dss_pool_status": "available"
    }
  ]
}

DeC user query response example

{
  "storage_type": [
    {
      "name": "ULTRAHIGH",
      "az_status": {
        "az1": "normal",
        "az2": "normal",
        "az3": "unsupported"
      }
    }
  ],
  "dss_pool_info": [
    {
      "az_name": "az1",
      "free_capacity_gb": "8656",
      "dss_pool_volume_type": "ULTRAHIGH",
      "dss_pool_id": "f5f84ed7-6f19-4bd4-99d7-b450ad6cc4dd",
      "dss_pool_status": "available"
    }
  ]
}

Status Code

For more information, see Status Code.

Error Code

For more information, see Error Code.

Parent topic: APIs V3.0 (Recommended)