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    Elastic Compute Service:AttachDisk

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    Elastic Compute Service:AttachDisk

    Last Updated:Dec 25, 2024

    Attaches a pay-as-you-go data disk or a system disk to an Elastic Compute Service (ECS) instance.

    Operation description

    Take note of the following items:

    • The ECS instance and the disk must reside in the same zone.

    • The disk must be in the Unattached (Available) state.

    • When you attach the disk as a data disk to an ECS instance, take note of the following items:

      • The ECS instance must be in the Running (Running) or Stopped (Stopped) state.
      • If the disk was separately purchased, the billing method of the disk must be pay-as-you-go.
      • If the disk is a system disk that was detached from an ECS instance, no limits apply to the billing method of the disk.
      • If the disk is an elastic ephemeral disk that was detached from an ECS instance, the disk can be attached only to the instance.

    • When you attach the disk as the system disk to an ECS instance, take note of the following items:

      • The ECS instance must be the original instance from which the system disk was detached.
      • The ECS instance must be in the Stopped (Stopped) state.
      • You must configure logon credentials for the ECS instance.
      • The disk cannot be an elastic ephemeral disk.
      • For more information about how to attach a system disk, see Detach or attach a system disk.

    • If the response contains {"OperationLocks": {"LockReason" : "security"}} when you query information about an ECS instance, the instance is locked for security reasons. No operations are allowed on the instance.

    Debugging

    You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

    Authorization information

    The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

    • Operation: the value that you can use in the Action element to specify the operation on a resource.
    • Access level: the access level of each operation. The levels are read, write, and list.
    • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
      • The required resource types are displayed in bold characters.
      • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
    • Condition Key: the condition key that is defined by the cloud service.
    • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
    OperationAccess levelResource typeCondition keyAssociated operation
    ecs:AttachDiskupdate
    *Disk
    acs:ecs:{#regionId}:{#accountId}:disk/{#diskId}
    *Instance
    acs:ecs:{#regionId}:{#accountId}:instance/{#instanceId}
      none
    		none

    Request parameters

    ParameterTypeRequiredDescriptionExample
    InstanceIdstringYes

    The ID of the instance to which you want to attach the disk.

    		i-bp1dq5lozx5f4pmd****
    DiskIdstringYes

    The ID of the disk. The disk specified by DiskId and the instance specified by InstanceId must reside in the same zone.

    Note For information about the limits on attaching a data disk and a system disk, see the "Usage notes" section of this topic.
    		d-bp1j4l5axzdy6ftk****
    DevicestringNo

    The device name of the disk.

    Note This parameter will be removed in the future. We recommend that you use other parameters to ensure future compatibility.
    		testDeviceName
    DeleteWithInstancebooleanNo

    Specifies whether to release the disk when the instance is released. Valid values:

    • true: releases the disk when the instance is released.
    • false: does not release the disk when the instance is released. The disk is retained as a pay-as-you-go data disk.

    Default value: false.

    When you specify this parameter, take note of the following items:

    • If OperationLocks in the DescribeInstances response contains "LockReason" : "security" for the instance to which the disk is attached, the instance is locked for security reasons. Regardless of whether you set DeleteWithInstance to false, the DeleteWithInstance setting is ignored, and the disk is released when the instance is released.
    • If you want to attach an elastic ephemeral disk, you must set DeleteWithInstance to true.
    • You cannot specify DeleteWithInstance for disks for which the multi-attach feature is enabled.
    		false
    BootablebooleanNo

    Specifies whether to attach the disk as the system disk. Valid values:

    • true: attaches the disk as the system disk.
    • false: does not attach the disk as the system disk.

    Default value: false.

    Note You can set Bootable to true only if the instance does not have a system disk.
    		false
    PasswordstringNo

    The password that is set when you attach the system disk. The password is applicable only to the administrator and root users. The password must be 8 to 30 characters in length and must contain at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters. The following special characters are supported:

    ()`~!@#$%^&*-_+=|{}[]:;'<>,.?/

    For Windows instances, passwords cannot start with a forward slash (/).

    Note If Password is configured, we recommend that you send requests over HTTPS to prevent password leaks.
    		EcsV587!
    KeyPairNamestringNo

    The name of the SSH key pair that you bind to the Linux instance when you attach the system disk.

    • Windows instances do not support logons based on SSH key pairs. The Password parameter takes effect even if the KeyPairName parameter is specified.
    • For Linux instances, the username and password-based logon method is disabled by default.
    		KeyPairTestName
    ForcebooleanNo

    Specifies whether to force attach the disk to the instance. Valid values:

    • true: force attaches the disk to the instance.
    • false: does not force attach the disk to the instance.

    Default value: false.

    Note You can set this parameter to true only for Regional Enterprise SSDs (ESSDs) (cloud_regional_disk_auto).
    		false

    Response parameters

    ParameterTypeDescriptionExample
    object
    RequestIdstring

    The request ID.

    		473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

    Examples

    Sample success responses

    JSONformat

    {
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E"
}

    Error codes

    HTTP status codeError codeError messageDescription
    400InvalidDevice.MalformedThe specified device is not valid.The specified disk device name does not exist.
    400IncorrectInstanceStatusThe current status of the resource does not support this operation.The resource is in a state that does not support the current operation.
    400InvalidParameterThe input parameter is mandatory for processing this request is empty.A required parameter is not specified.
    400InvalidRegionId.MalFormedThe specified RegionId is not valid.The specified region does not exist.
    400InvalidOperation.InstanceTypeNotSupportThe instance type of the specified instance does not support hot attach disk.The instance to which the disk is attached does not support the hot swapping of disks.
    400DiskCategory.OperationNotSupportedThe operation is not supported to the specified disk due to its disk category.The specified disk category does not support this operation.
    400InvalidOperation.InstanceTypeNotSupportThe specified disk which has kms key should only attach to ioOptimized instance.The specified instance is invalid. You can set Key Management Service (KMS) keys only for I/O optimized instances.
    400InvalidDisk.DiskNotBootableThe specified disk is not a bootable disk, can not be attached as system disk.-
    400InvalidInstance.NotOriginInstanceThe specified disk can not attached to other instance as system disk.-
    400InvalidParameter.AllEmpty%sThe required parameters are not specified.
    400InvalidParameterForce.DiskCategoryNotSupportedThe specified disk category does not support force attach operation.The specified disk category does not support force attach operation.
    400InvalidParameterForce.PrepaidDiskNotSupportedThe prepaid disk does not support force attach operation.The prepaid disk does not support force attach operation.
    400InvalidParameterForce.MultiAttachDiskNotSupportedThe multi attach disk does not support force attach operation.The multi attach disk does not support force attach operation.
    400InvalidParameterForce.RegionNotSupportedThe specified region does not support force attach operation.The specified region does not support force attach operation.
    400OperationConflict.DisksAttachingParallellyExceedThe number of disks attaching parallelly exceeds the limit.The number of disks attaching parallelly exceeds the limit.
    403InstanceDiskLimitExceededThe amount of the disk on instance in question reach its limits.The specified instance has reached the maximum number of disks that can be attached to it.
    403InvalidDevice.InUseThe specified device has been occupied.The specified device has been occupied.
    403IncorrectDiskStatus%s-
    403DiskNotPortableThe specified disk is not a portable disk.The specified disk is not removable.
    403InstanceLockedForSecurityThe instance is locked due to security.The operation is not supported while the instance is locked for security reasons.
    403ResourcesNotInSameZoneThe specified instance and disk are not in the same zone.The specified instance and disk are not in the same zone.
    403InstanceExpiredOrInArrearsThe specified operation is denied as your prepay instance is expired (prepay mode) or in arrears (afterpay mode).The subscription instance has expired. You must renew the instance before you can proceed.
    403DiskInArrearsThe specified operation is denied as your disk owing fee.Your account has overdue payments for the specified disk.
    403DiskErrorIncorrectDiskStatus.The disk state is invalid.
    403DiskId.ValueNotSupportedThe specified parameter diskid is not supported.The specified EBS device category does not support the operation.
    403DiskId.StatusNotSupportedThe specified disk status is not supported.The disk is in a state that does not support the current operation.
    403IncorrectInstanceStatus.NotSupportESSDThe operation is not supported in this status, please reboot the instance.-
    403IncorrectDiskStatusThe operation is not supported in this status.The disk is in a state that does not support the current operation. Make sure that the disk is available and that your account has no overdue payments.
    403UserNotInTheWhiteListThe user is not in disk white list.You are not authorized to manage the disk. Try again when you are authorized.
    403InvalidParameter.KMSKeyId.CMKNotEnabledThe CMK needs to be enabled.The customer master key (CMK) is not enabled when KMSKeyId is specified for an encrypted disk. You can call the DescribeKey operation of KMS to query information about the specified CMK.
    403InvalidParameter.KMSKeyId.CMKUnauthorizedThe CMK needs to be added ECS tag.-
    403InvalidParameter.KMSKeyId.KMSUnauthorizedECS service have no right to access your KMS.ECS is not authorized to access your KMS resources.
    403DependencyViolation.WindowsInstanceThe instance image is windows, cannot use ssh key pair to login.-
    403InvalidInstanceType.NotSupportDiskCategoryThe instanceType of the specified instance does not support this disk category.The instance type does not support the current disk category. Try another instance type. For information about the disk categories supported by instance types, see the instance family documentation.
    403InvalidInstanceType.NotSupportPL0The instanceType of the specified instance does not support PL0 of cloud_essd.-
    403InvalidInstanceType.NvmeRequiredThe instanceType of the specified instance requires nvme protocol.The instance type of the specified instance requires the NVMe protocol.
    403InvalidInstanceType.NvmeUnsupportedThe instanceType of the specified instance does not support nvme protocol.The instance type of the specified instance does not support the NVMe protocol.
    403InvalidInstanceType.NotSupportMultiAttachDiskThe instanceType of the specified instance does not support multi attach disk.Disks for which the multi-attach feature is enabled cannot be attached to instances of the specified instance type.
    403DiskAttachedNumberExceededThe attaching times of the specified disk exceeded.The specified disk has reached the maximum number of instances to which it can be attached.
    403InvalidOperation.CanNotAttachMultiAttachDiskAsSystemDiskMulti attach disk can not be attached as system disk.Disks for which the multi-attach feature is enabled cannot be attached as system disks.
    403DeleteWithInstance.ConflictMulti attach disk cannot be set to DeleteWithInstance attribute.Disks for which the multi-attach feature is enabled do not support the DeleteWithInstance attribute.
    403InvalidParameter.DeleteWithInstanceThe DeleteWithInstance for the elastic ephemeral disk must be set to true.The DeleteWithInstance for the elastic ephemeral disk must be set to true.
    403InvalidOperation.OtherInstanceUnsupportedThe elastic ephemeral disk can only be attached to the instance it was last mounted on, please check the disk's system tag to get the last associated instance.The elastic ephemeral disk can only be attached to the instance it was last mounted on, please check the disk's system tag to get the last associated instance.
    403InvalidInstance.ZoneConflictThe force attach operation is not supported when both the current and target instances are in the same zone.Forced mount requires that the current instance and the target instance are in different zones
    404InvalidInstanceId.NotFoundThe specified InstanceId does not exist.The specified instance does not exist.
    404InvalidDiskId.NotFoundThe specified disk does not exist.The specified disk does not exist. Check whether the disk ID is correct.
    404InvalidDisk.InUseThe specified disk has been occupied.The specified disk is already in use.
    404InvalidKMSKeyId.NotFoundThe KMS key used by the disk does not exist.The KMS key used by the disk does not exist.
    500InternalErrorThe request processing has failed due to some unknown error.An internal error has occurred. Try again later.
    500InternalErrorThe request processing has failed due to some unknown error, exception or failure.An internal error has occurred. Try again later.

    For a list of error codes, visit the Service error codes.

    Change history

    Change timeSummary of changesOperation
    2024-11-27The Error code has changedView Change Details
    2024-07-08The Error code has changedView Change Details
    2024-05-08The Error code has changed. The request parameters of the API has changedView Change Details
    2023-11-24The Error code has changedView Change Details