Updating an EVS Disk

Function

This API is used to update an EVS disk.

URI

  • URI format

    PUT /v2/{project_id}/volumes/{volume_id}

  • Parameter description

    Parameter

    Mandatory

    Description

    project_id

    Yes

    The project ID.

    volume_id

    Yes

    The disk ID.

Request

  • Request parameters

    Parameter

    Type

    Mandatory

    Description

    volume

    Object

    Yes

    The information of the disk to be updated. For details, see Parameters in the volume field.

  • Parameters in the volume field

    Parameter

    Type

    Mandatory

    Description

    name

    String

    No

    The disk name. The value can contain a maximum of 255 bytes.

    description

    String

    No

    The disk description. The value can contain a maximum of 255 bytes.

    metadata

    Object

    No

    The disk metadata.

    The length of the key or value in the metadata cannot exceed 255 bytes.

    display_name

    String

    No

    Also the disk name. You can specify either parameter name or display_name. If both parameters are specified, the name value is used. The value can contain a maximum of 255 bytes.

    display_description

    String

    No

    Also the disk description. You can specify either parameter description or display_description. If both parameters are specified, the description value is used. The value can contain a maximum of 255 bytes.

  • Example request

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

Response

  • Response parameters

    Parameter

    Type

    Description

    volume

    Object

    The information of the updated disk. For details, see Parameters in the volume field.

    error

    Object

    The error message returned if an error occurs. For details, see Parameters in the error field.

  • Parameters in the volume field

    Parameter

    Type

    Description

    id

    String

    The disk ID.

    links

    list<map<String,String>>

    The disk URI. For details, see Parameters in the links field.

    name

    String

    The disk name.

    status

    String

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

    attachments

    list

    The disk attachment information. For details, see Parameters in the attachments field.

    availability_zone

    String

    The AZ to which the disk belongs.

    bootable

    String

    Whether the disk is bootable.

    • true: indicates a bootable disk.

    • false: indicates a non-bootable disk.

    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 ESSD, SSD, SAS, SATA, co-p1, or uh-l1.

    • SSD: the ultra-high I/O type

    • SAS: the high I/O type

    • SATA: the common I/O type

    • co-p1: the high I/O (performance-optimized I) type

    • uh-l1: the ultra-high I/O (latency-optimized) type

    • ESSD: the extreme SSD type

      The co-p1 and uh-l1 types of disks are used exclusively for HPC ECSs and SAP HANA ECSs.

    replication_status

    String

    The reserved field.

    consistencygroup_id

    String

    The reserved field.

    source_volid

    String

    The source disk ID.

    This field is currently not supported.

    snapshot_id

    String

    The snapshot ID.

    metadata

    Object

    The disk metadata. For details, see Parameters in the metadata field.

    size

    Integer

    The disk size, in GB.

    user_id

    String

    The reserved field.

    updated_at

    String

    The time when the disk was updated.

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

    shareable

    Boolean

    Whether the disk is shareable.

    Note

    This field is no longer used. Use multiattach.

    multiattach

    Boolean

    Whether the disk is shareable.

    • true: indicates a shared disk.

    • false: indicates a non-shared disk.

    storage_cluster_id

    String

    The reserved field.

  • Parameters in the links field

    Parameter

    Type

    Description

    href

    String

    The corresponding shortcut link.

    rel

    String

    The shortcut link marker name.

  • Parameters in the attachments field

    Parameter

    Type

    Description

    server_id

    String

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

    attachment_id

    String

    The ID of the attachment information.

    attached_at

    String

    The time when the disk was attached.

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

    host_name

    String

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

    volume_id

    String

    The disk ID.

    device

    String

    The device name.

    id

    String

    The ID of the attached disk.

  • Parameters in the metadata field

    Parameter

    Type

    Description

    __system__encrypted

    String

    The encryption field in metadata.

    • 0: indicates a non-encrypted disk.

    • 1: indicates an encrypted disk.

    • If this parameter does not appear, the disk is not encrypted.

    __system__cmkid

    String

    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.

    hw:passthrough

    String

    The parameter that describes the disk device type in metadata. The value can be true or false.

    • true indicates the SCSI device type, which allows ECS OSs to directly access the underlying storage media and support SCSI reservations commands.

    • false indicates the VBD device type (the default type), which supports only simple SCSI read/write commands.

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

    full_clone

    String

    The clone method. If the disk is created from a snapshot, value 0 indicates the linked cloning method.

  • Parameters in the error field

    Parameter

    Type

    Description

    message

    String

    The error message returned if an error occurs.

    code

    String

    The error code returned if an error occurs.

    For details about the error code, see Error Codes.

  • Example response

    {
        "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": "SAS"
        }
    }
    

    or

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

    In the preceding example, error indicates a general error, for example, badRequest or itemNotFound. An example is provided as follows:

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

Status Codes

  • Normal

    200

Error Codes

For details, see Error Codes.