Querying Information About a Disk Attached to a BMS (Native OpenStack API)

Function

This API is used to query information about a single disk attached to a BMS based on the disk ID.

URI

GET /v2.1/{project_id}/servers/{server_id}/os-volume_attachments/{volume_id}

Table 1 lists the parameters.

**Table 1** Parameter description
Parameter	Mandatory	Description
project_id	Yes	Specifies the project ID. For details about how to obtain the project ID, see Obtaining a Project ID.
server_id	Yes	Specifies the BMS ID. You can obtain the BMS ID from the BMS console or using the Querying BMSs (Native OpenStack API) API.
volume_id	Yes	Specifies the EVS disk ID. You can query attached EVS disks attached to a BMS using the Querying Information About the Disks Attached to a BMS (Native OpenStack API) API.

Request Message

Request parameters
None

Example request

1	GET https://{ECS Endpoint}/v2.1/c685484a8cc2416b97260938705deb65/servers/95bf2490-5428-432c-ad9b-5e3406f869dd/os-volume_attachments/b53f23bd-ee8f-49ec-9420-d1acfeaf91d6

Response Message

Response parameters

Parameter	Type	Description
volumeAttachment	Object	Specifies information about the disk attached to the BMS. For details, see Table 2.

**Table 2** **volumeAttachment** field data structure description
Parameter	Type	Description
device	String	Specifies the mount directory, for example, /dev/vdb.
id	String	Specifies the ID of the attached resource.
serverId	String	Specifies the ID of the BMS to which the disks are attached.
volumeId	String	Specifies the ID of the disk attached to the BMS.

Example response

{
    "volumeAttachment": {
        "device": "/dev/vdb",
        "serverId": "820abbd0-2d8e-4bc5-ae46-69cacfd4fbaa",
        "id": "b53f23bd-ee8f-49ec-9420-d1acfeaf91d6",
        "volumeId": "b53f23bd-ee8f-49ec-9420-d1acfeaf91d6"
    }
                }