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AttachDisks

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Terakhir diperbarui: 2025-11-13 20:49:20

1. API Description

Domain name for API request: emr.intl.tencentcloudapi.com.

This API is used to mount cloud disks.

A maximum of 20 requests can be initiated per second for this API.

We recommend you to use API Explorer
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API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: AttachDisks.
Version Yes String Common Params. The value used for this API: 2019-01-03.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
InstanceId Yes String ID of the EMR cluster instance.
DiskIds.N No Array of String Cloud disk ID required for mounting.
AlignType No String Mount mode. Valid values.
AUTO_RENEW: auto-renewal.
ALIGN_DEADLINE: automatic alignment with the deadline.
CvmInstanceIds.N No Array of String List of CVM node IDs requiring mounting.
CreateDisk No Boolean Whether to mount newly purchased cloud disks.
DiskSpec No NodeSpecDiskV2 Specifications of newly purchased cloud disks.
DeleteWithInstance No Boolean Optional parameter. Only mount operation is performed if this parameter is not passed. When True is passed, the CBS will be set to termination with the cloud host upon successful mounting. This is only applicable to pay-as-you-go cloud disk.
SelectiveConfServices.N No Array of String Name list of services that can be configured when a new disk is mounted.
ChargeType No Integer Disk billing type (1: monthly subscription, 3: committed use).
UnderWriteDuration No Integer Disk committed use and purchase duration (only supports 12, 24, 36, 48, and 60).

3. Output Parameters

Parameter Name Type Description
FlowId Integer Flow ID.
RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Mounting Cloud Disks

Input Example

POST / HTTP/1.1
Host: emr.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: AttachDisks
<Common request parameters>

{
    "InstanceId": "emr-xxxx",
    "DiskIds": [
        "disk-xxx1",
        "disk-xxx2"
    ]
}

Output Example

{
    "Response": {
        "RequestId": "95eb9120-0883-407c-aa5a-43b4e2c250d1"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InvalidParameter.InvalidClusterId Invalid parameter: ClusterId.
ResourceInUse.InstanceInProcess The instance is under workflow.

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