Updated on 2025-11-13 GMT+08:00

Querying Details About All EVS Disks

Function

This API is used to query details about all EVS disks.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/volumes/detail

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

The project ID. For details, see Obtaining a Project ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

marker

No

String

The ID of the last record on the previous page. The returned value is the value of the item after this one.

name

No

String

The disk name. You can enter up to 85 characters.

limit

No

Integer

The maximum number of query results that can be returned.

The value ranges from 1 to 1000, and the default value is 1000. The returned value cannot exceed this limit.

If you have more than 50 disks in total, use this parameter and set it to 50 to improve the query efficiency. Examples are provided as follows:

Querying 1–50 disks: GET /v2/xxx/volumes/detail?limit=50

Querying 51–100 disks: GET /v2/xxx/volumes/detail?offset=50&limit=50

sort_key

No

String

The keyword based on which the returned results are sorted. The value can be id, status, size, or created_at, and the default value is created_at.

sort_dir

No

String

The result sorting order. The default value is desc.

desc: the descending order

asc: the ascending order

offset

No

Integer

The query offset.

All disks after this offset will be queried. The value must be an integer greater than 0 but less than the number of disks.

status

No

String

The disk status. For details, see EVS Disk Status.

metadata

No

String

The disk metadata. This parameter is transferred in JSON format, for example, GET /v2/{project_id}/volumes/detail?metadata={"hw:passthrough": "true"}.

availability_zone

No

String

The AZ information.

snapshot_policy_id

No

String

The ID of the snapshot policy applied to the disk.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

The user token.

It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

volumes

Array of VolumeDetail objects

Definition

The list of returned disks.

Range

N/A

volumes_links

Array of Link objects

Definition

The query position marker in the disk list. If only some disks are returned in this query, the URL of the last disk queried is returned. You can use this URL to continue to query the remaining disks in the next query.

Range

N/A

Table 5 VolumeDetail

Parameter

Type

Description

id

String

Definition

The disk ID.

Range

N/A

links

Array of Link objects

Definition

The disk URI.

Range

N/A

name

String

Definition

The disk name.

Range

N/A

status

String

Definition

The disk status. For details, see EVS Disk Status.

Range

N/A

attachments

Array of VolumeAttachment objects

Definition

Whether the disk is attached.

Range

N/A

availability_zone

String

Definition

The AZ to which the disk belongs.

Range

N/A

disaster_recovery_azs

Array of strings

Definition

The AZs to which the DR disk belongs.

Range

N/A

source_volid

String

Definition

The source disk ID. This parameter has a value if the disk is created from a source disk.

This field is currently not supported.

Range

N/A

snapshot_id

String

Definition

The snapshot ID. This parameter has a value if the disk is created from a snapshot.

Range

N/A

description

String

Definition

The disk description.

Range

N/A

bootable

String

Definition

Whether the disk is bootable.

Range

  • true: The disk is bootable.

  • false: The disk is not bootable.

encrypted

Boolean

Definition

This field is currently not supported.

Range

N/A

created_at

String

Definition

The time when the disk was created.

Range

Time format: UTC YYYY-MM-DDTHH:MM:SS.XXXXXX

volume_type

String

Definition

The disk type.

Range

The value can be SATA, SAS, GPSSD, SSD, ESSD, GPSSD2, or ESSD2.

  • SATA: the common I/O type (end-of-sale)

  • SAS: the high I/O type

  • GPSSD: the general purpose SSD type

  • SSD: the ultra-high I/O type

  • ESSD: the extreme SSD type

  • GPSSD2: the general purpose SSD V2 type

  • ESSD2: the extreme SSD V2 type

replication_status

String

Definition

The reserved field.

Range

N/A

consistencygroup_id

String

Definition

The reserved field.

Range

N/A

metadata

VolumeMetadata object

Definition

The disk metadata.

If metadata does not contain the hw:passthrough field, the disk device type is VBD.

If metadata does not contain the __system__encrypted field, the disk is unencrypted.

Range

N/A

size

Integer

Definition

The disk capacity, in GiB.

Range

N/A

user_id

String

Definition

The reserved field.

Range

N/A

updated_at

String

Definition

The time when the disk was updated.

Range

Time format: UTC YYYY-MM-DDTHH:MM:SS.XXXXXX

shareable

Boolean

Definition

Whether the disk is shareable.

Note:

This field has been deprecated. Use multiattach.

Range

N/A

multiattach

Boolean

Definition

Whether the disk is shareable.

Range

  • true: shared disk

  • false: non-shared disk

os-vol-tenant-attr:tenant_id

String

Definition

The ID of the project to which the disk belongs.

Range

N/A

volume_image_metadata

Object

Definition

The metadata of the disk image.

Range

For details about the volume_image_metadata field, see Querying Image Details (Native OpenStack API V2, Deprecated).

os-vol-host-attr:host

String

Definition

The reserved field.

Range

N/A

os-volume-replication:extended_status

String

Definition

The reserved field.

Range

N/A

os-vol-mig-status-attr:migstat

String

Definition

The reserved field.

Range

N/A

os-vol-mig-status-attr:name_id

String

Definition

The reserved field.

Range

N/A

iops

iops object

Definition

The disk IOPS information. This parameter is returned only for a general purpose SSD V2 or an extreme SSD V2 disk.

Range

N/A

throughput

throughput object

Definition

The disk throughput information. This parameter is returned only for a general purpose SSD V2 disk.

Range

N/A

snapshot_policy_id

String

Definition

The ID of the snapshot policy applied to the disk.

Range

N/A

Table 6 VolumeAttachment

Parameter

Type

Description

attached_at

String

Definition

The time when the disk was attached.

Range

Time format: UTC YYYY-MM-DDTHH:MM:SS.XXXXXX

attachment_id

String

Definition

The attachment ID.

Range

N/A

device

String

Definition

The device name.

Range

N/A

host_name

String

Definition

The name of the physical host housing the cloud server to which the disk is attached.

Range

N/A

id

String

Definition

The ID of the attached resource.

Range

N/A

server_id

String

Definition

The ID of the server to which the disk is attached.

Range

N/A

volume_id

String

Definition

The disk ID.

Range

N/A

Table 7 VolumeMetadata

Parameter

Type

Description

__system__cmkid

String

Definition

The encryption CMK ID in metadata. This parameter is used together with __system__encrypted for encryption. The length of cmkid is fixed at 36 bytes.

Range

Use an HTTPS request to obtain the key ID. For details, see Querying the Key List.

__system__encrypted

String

Definition

The encryption field in metadata.

If this parameter does not appear, the disk is unencrypted.

Range

  • 0: no encryption

  • 1: encryption

hw:passthrough

String

Definition

The parameter that describes the disk device type in metadata.

If this parameter does not appear, the disk device type is VBD.

Range

  • If this parameter value is true, the disk device type is SCSI, which allows ECS OSs to directly access the underlying storage media. SCSI reservation commands are supported.

  • If this parameter value is false, the disk device type is VBD (default device type), which supports only simple SCSI read/write commands.

Table 8 iops

Parameter

Type

Description

frozened

Boolean

Definition

The frozen tag.

Range

N/A

id

String

Definition

The identifier of the disk IOPS.

Range

N/A

total_val

Integer

Definition

The IOPS size.

Range

N/A

volume_id

String

Definition

The disk ID.

Range

N/A

Table 9 throughput

Parameter

Type

Description

frozened

Boolean

Definition

The frozen tag.

Range

N/A

id

String

Definition

The throughput identifier.

Range

N/A

total_val

Integer

Definition

The throughput size.

Range

N/A

volume_id

String

Definition

The disk ID.

Range

N/A

Status code: 400

Table 11 Response body parameters

Parameter

Type

Description

error

Error object

Definition

The error information returned if an error occurs.

Range

N/A

Table 12 Error

Parameter

Type

Description

code

String

Definition

The error code returned if an error occurs.

Range

For details about the error code, see Error Codes.

message

String

Definition

The error message returned if an error occurs.

Range

N/A

Example Requests

GET https://{endpoint}/v2/{project_id}/volumes/detail

Example Responses

Status code: 200

OK

{
  "volumes" : [ {
    "attachments" : [ ],
    "availability_zone" : "az-dc-1",
    "bootable" : "false",
    "created_at" : "2016-05-25T02:42:10.856332",
    "encrypted" : false,
    "id" : "b104b8db-170d-441b-897a-3c8ba9c5a214",
    "links" : [ {
      "href" : "https://volume.localdomain.com:8776/v2/dd14c6ac581f40059e27f5320b60bf2f/volumes/b104b8db-170d-441b-897a-3c8ba9c5a214",
      "rel" : "self"
    }, {
      "href" : "https://volume.localdomain.com:8776/dd14c6ac581f40059e27f5320b60bf2f/volumes/b104b8db-170d-441b-897a-3c8ba9c5a214",
      "rel" : "bookmark"
    } ],
    "metadata" : { },
    "name" : "zjb_u25_test",
    "os-vol-host-attr:host" : "pod01.xxx#SATA",
    "volume_image_metadata" : { },
    "os-vol-tenant-attr:tenant_id" : "dd14c6ac581f40059e27f5320b60bf2f",
    "replication_status" : "disabled",
    "multiattach" : false,
    "size" : 1,
    "status" : "available",
    "updated_at" : "2016-05-25T02:42:22.341984",
    "user_id" : "b0524e8342084ef5b74f158f78fc3049",
    "volume_type" : "SATA",
    "consistencygroup_id" : null,
    "os-vol-mig-status-attr:migstat" : null,
    "os-vol-mig-status-attr:name_id" : null,
    "snapshot_id" : null,
    "source_volid" : null
  } ],
  "volumes_links" : [ {
    "href" : "https://volume.localdomain.com:8776/v2/dd14c6ac581f40059e27f5320b60bf2f/volumes/detail?limit=1&marker=b104b8db-170d-441b-897a-3c8ba9c5a214",
    "rel" : "next"
  } ]
}

Status code: 400

Bad Request

{
  "error" : {
    "message" : "XXXX",
    "code" : "XXX"
  }
}

Status Codes

Status Code

Description

200

OK

400

Bad Request

Error Codes

See Error Codes.