Querying Disk Attachment of an ECS (Discarded)

Function

This API is used to query disk attachment of an ECS.

This API has been discarded. Use the API described in Querying Disk Attachments of an ECS.

URI

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

Table 1 lists the URI parameters.

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

Request

None

Response

Table 2 describes the response parameters.

**Table 2** Response parameters
Parameter	Type	Description
volumeAttachments	Array of objects	Specifies the disks attached to an ECS. For details, see Table 3.
attachableQuantity	Object	Specifies the number of disks that can be attached to an ECS. For details, see Table 4.

**Table 3** **volumeAttachments** 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 attachment 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. Values other than 0 indicate a data disk.
bus	String	Specifies the disk bus type. Value options: virtio and scsi

**Table 4** **attachableQuantity** parameters
Parameter	Type	Description
free_scsi	Integer	Specifies the number of SCSI disks that can be attached to an ECS.
free_blk	Integer	Specifies the number of virtio_blk disks that can be attached to an ECS.
free_disk	Integer	Specifies the total number of disks that can be attached to an ECS.

Example Request

GET https://{endpoint}/v2.1/servers/4d8c3732-a248-40ed-bebc-539a6ffd25c0/block_device

Example Response

{
    "attachableQuantity": {
            "free_scsi": 23,
            "free_blk": 15,
            "free_disk": 23
     },
    "volumeAttachments": [
        {
            "pciAddress": "0000:02:01.0",
            "volumeId": "a26887c6-c47b-4654-abb5-dfadf7d3f803",
            "device": "/dev/vda",
            "serverId": "4d8c3732-a248-40ed-bebc-539a6ffd25c0",
            "id": "a26887c6-c47b-4654-abb5-dfadf7d3f803",
            "size": "40",
            "bootIndex": 0,
            "bus":"virtio"
        },
        {
            "pciAddress": "0000:02:02.0",
            "volumeId": "a26887c6-c47b-4654-abb5-asdf234r234r",
            "device": "/dev/vdb",
            "serverId": "4d8c3732-a248-40ed-bebc-539a6ffd25c0",
            "id": "a26887c6-c47b-4654-abb5-asdf234r234r",
            "size": "10",
            "bootIndex": 1,
            "bus":"virtio"
        }
    ]
}