# ResizeDisk

## 1. 接口描述

本接口(ResizeDisk)用于将一个云硬盘扩容到指定大小。

{% hint style="info" %}
**注意事项**

* 本接口只支持扩容云盘。
* 本接口为异步接口，调用接口成功后，可通过接口[`DescribeDisks`](https://docs.console.zenlayer.com/api-reference/cn/compute/zec/disk/describedisks)来查询对应云盘的状态，如果云盘的状态为`CHANGING`，表示正在扩容中。
  {% endhint %}

## 2. 请求参数

以下请求参数列表仅列出了接口中需要的请求参数

| 参数名称     | 必选 | 类型      | 描述              |
| -------- | -- | ------- | --------------- |
| diskId   | 是  | String  | 云硬盘ID。          |
| diskSize | 是  | Integer | 扩容后的云硬盘大小，单位GB。 |

## 3. 响应结果

| 参数名称      | 类型     | 描述                                                       |
| --------- | ------ | -------------------------------------------------------- |
| requestId | String | <p>唯一请求 ID。</p><p>每次请求都会返回。定位问题时需要提供该次请求的 requestId。</p> |

## 4. 代码示例

{% tabs %}
{% tab title="示例" %}
**1. 扩容弹性云盘到100GB。**

```json
POST /api/v2/vm HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: ResizeDisk
<Common Request Params>

Request:
{
  "diskId": "your-disk-id",
  "diskSize": 100
}

Response:
{
  "requestId": "TE742A21A-C449-41AF-8853-1B62A93AA4E5",
  "response": {
    "requestId": "TE742A21A-C449-41AF-8853-1B62A93AA4E5"
  }
}
```

{% endtab %}
{% endtabs %}

## 5. 开发者工具

Zenlayer Cloud API 2.0 提供了配套的[开发工具集（SDK）](/api-reference/cn/api-introduction/toolkit.md)，未来会陆续支持更多开发语言，方便快速接入和使用Zenlayer的产品和服务。

## 6. 错误码

下面包含业务逻辑中遇到的错误码，其他错误码见[公共错误码](/api-reference/cn/api-introduction/instruction/commonerrorcode.md)

| HTTP状态码 | 错误码 | 说明 |
| ------- | --- | -- |


---

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```
GET https://docs.console.zenlayer.com/api-reference/cn/compute/vm/disk/resizedisk.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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