Querying a Single Disk Attached to an ECS¶

Function¶

This API is used to query a disk attached to an ECS.

URI¶

GET /v2.1/servers/{server_id}/block_device/{volume_id}

Table 1 describes the parameters in the URI.

**Table 1** Parameter description¶
Parameter	Mandatory	Description
server_id	Yes	Specifies the ECS ID in UUID format.
volume_id	Yes	Specifies the EVS disk ID in UUID format.

Request¶

None

Response¶

Table 2 describes the response parameters.

**Table 2** Response parameters¶
Parameter	Type	Description
volumeAttachment	Object	Specifies the disk attached to an ECS. For details, see Table 3.

**Table 3** **volumeAttachment** parameters¶
Parameter	Type	Description
serverId	String	Specifies the ECS ID in UUID format.
volumeId	String	Specifies the EVS disk ID in UUID format.
id	String	Specifies the mount ID, which is the same as the EVS disk ID. The value is in UUID format.
size	Integer	Specifies the EVS disk size in GB.
device	String	Specifies the drive letter of the EVS disk, which is the device name of the EVS disk.
pciAddress	String	Specifies the PCI address.
bootIndex	Boolean	Specifies the EVS disk boot sequence. 0 indicates the system disk. A non-zero value indicates a data disk.
bus	String	Specifies the disk bus type. Options: virtio and scsi

Example Request¶

GET https://{endpoint}/v2.1/servers/{server_id}/block_device/{volume_id}

Example Response¶

{
    "volumeAttachment": {
        "pciAddress": "0000:02:01.0",
        "volumeId": "a26887c6-c47b-4654-abb5-asdf234r234r",
        "device": "/dev/vda",
        "serverId": "4d8c3732-a248-40ed-bebc-539a6ffd25c0",
        "id": "a26887c6-c47b-4654-abb5-asdf234r234r",
        "size": "40",
        "bootIndex": 0,
        "bus":"virtio"
    }
}

Returned Values¶

See Returned Values for General Requests.

Error Codes¶

See Error Codes.

last updated: 2024-12-17 08:54 UTC - commit: 60d73b5e88a7b9e2d4d3346634d7fac6006f7365