Help Center/ Elastic Volume Service/ API Reference/ Out-of-Date APIs/ Cinder API/ Disk Management/ Updating an EVS Disk

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

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Updating an EVS Disk

Function

This API is used to update an EVS disk.

Calling Method

For details, see Calling APIs.

URI

PUT /v3/{project_id}/volumes/{volume_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	The project ID. For details, see Obtaining a Project ID.
volume_id	Yes	String	The disk ID.

Request Parameters

**Table 2** 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.

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
volume	Yes	CinderUpdateVolumeOption object	The disk information to be updated.

**Table 4** CinderUpdateVolumeOption
Parameter	Mandatory	Type	Description
name	No	String	The disk name. You can enter up to 64 characters.
description	No	String	The disk description. You can enter up to 85 characters.
metadata	No	Map<String,String>	The disk metadata. The length of key or value under metadata can contain no more than 255 bytes.
display_description	No	String	The disk description. You can specify either description or display_description. If they are both specified, the description value is used. You can enter up to 85 characters.
display_name	No	String	The disk name. You can specify either name or display_name. If they are both specified, the name value is used. You can enter up to 64 characters.

Response Parameters

Status code: 200

**Table 5** Response body parameters
Parameter	Type	Description
id	String	The disk ID.
links	Array of Link objects	The disk URI.
name	String	The disk name.
status	String	The disk status. For details, see EVS Disk Status.
attachments	Array of VolumeAttachment objects	The attachment information.
availability_zone	String	The AZ to which the disk belongs.
disaster_recovery_azs	Array of strings	The AZs to which the DR disk belongs.
bootable	String	Whether the disk is bootable. true: The disk is bootable. false: The disk is not bootable.
encrypted	Boolean	This field is currently not supported.
created_at	String	The time when the disk was created. Time format: UTC YYYY-MM-DDTHH:MM:SS.XXXXXX
description	String	The disk description.
volume_type	String	The disk type. The value can be SATA, SAS, GPSSD, SSD, ESSD, or GPSSD2. SATA: the common I/O type 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 If the specified disk type is not available in the AZ, the disk will fail to be created.
replication_status	String	The reserved field.
consistencygroup_id	String	The ID of the consistency group where the disk belongs.
source_volid	String	The source disk ID. This field is currently not supported.
snapshot_id	String	The snapshot ID.
metadata	VolumeMetadata object	The metadata.
size	Integer	The disk size, in GiB.
user_id	String	The ID of the user that uses the disk.
updated_at	String	The time when the disk was updated.
shareable	Boolean	Whether the disk is shareable. Note: This field has been deprecated. Use multiattach.
multiattach	Boolean	Whether the disk is shareable. true: The disk is shareable. false: The disk is not shareable.
storage_cluster_id	String	The reserved field.

**Table 6** Link
Parameter	Type	Description
href	String	Definition The corresponding shortcut link. Range N/A
rel	String	Definition The shortcut link marker name. Range N/A

**Table 7** 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 8** 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.

Status code: 400

**Table 9** Response body parameters
Parameter	Type	Description
error	Error object	Definition The error information returned if an error occurs. Range N/A

**Table 10** 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

PUT https://{endpoint}/v3/{project_id}/volumes/{volume_id}

{
  "volume" : {
    "name" : "test_volume",
    "description" : "test"
  }
}

Example Responses

Status code: 200

{
  "volume" : {
    "attachments" : [ ],
    "availability_zone" : "az-dc-1",
    "bootable" : "false",
    "consistencygroup_id" : null,
    "created_at" : "2016-05-25T02:38:40.392463",
    "description" : "create for api test",
    "encrypted" : false,
    "id" : "8dd7c486-8e9f-49fe-bceb-26aa7e312b66",
    "links" : [ {
      "href" : "https://volume.localdomain.com:8776/v2/5dd0b0056f3d47b6ab4121667d35621a/volumes/8dd7c486-8e9f-49fe-bceb-26aa7e312b66",
      "rel" : "self"
    }, {
      "href" : "https://volume.localdomain.com:8776/5dd0b0056f3d47b6ab4121667d35621a/volumes/8dd7c486-8e9f-49fe-bceb-26aa7e312b66",
      "rel" : "bookmark"
    } ],
    "metadata" : {
      "volume_owner" : "openapi"
    },
    "name" : "openapi_vol01",
    "replication_status" : "disabled",
    "multiattach" : false,
    "size" : 40,
    "snapshot_id" : null,
    "source_volid" : null,
    "status" : "creating",
    "updated_at" : null,
    "user_id" : "39f6696ae23740708d0f358a253c2637",
    "volume_type" : "SATA"
  }
}

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.

Parent topic: Disk Management

Previous topic: Deleting an EVS Disk

Next topic: Querying EVS Disk Types

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