---
title: "changeBlockStorageVolumeSize"
slug: "cli-server-changeblockstoragevolumesize"
updated: 2026-09-17T10:11:03Z
published: 2026-09-17T10:11:03Z
canonical: "cli.ncloud-docs.com/cli-server-changeblockstoragevolumesize"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://cli.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# changeBlockStorageVolumeSize

## 概要

ブロックストレージボリュームのサイズ変更

## 説明

ブロックストレージのボリュームサイズを変更します。

## リクエストパラメータ

| パラメータ名 | 必須の有無 | タイプ | 制約事項 | 説明 |
| --- | --- | --- | --- | --- |
| blockStorageInstanceNo | Yes | String |  | ボリュームサイズを変更するブロックストレージインスタンス番号 blockStorageInstanceNoは getBlockStorageInstanceList アクションを通じて取得できます。 |
| blockStorageSize | Yes | Integer | Min : 10, Max : 2000 GB 10GB単位で入力 | 変更するブロックストレージサイズ ボリュームサイズは増量のみ可能で、減量はできません。 追加されたボリュームサイズは、サーバでファイルストレージ容量を拡張してから適用されます。 ユーザーガイドの**Compute > Server > 付加機能**を参照してください。 |

## レスポンスデータタイプ

- BlockStorageInstanceListタイプ

| BlockStorageInstanceList extends CommonResponse |
| --- |
| private Integer totalRows; |
| private List<blockstorageinstance data-tomark-pass=""> blockStorageInstanceList = new ArrayList<blockstorageinstance data-tomark-pass="">();</blockstorageinstance></blockstorageinstance> |

| BlockStorageInstance |
| --- |
| private String blockStorageInstanceNo; |
| private String serverInstanceNo; |
| private String serverName; |
| private CommonCode blockStorageType; |
| private String blockStorageName; |
| private Long blockStorageSize; |
| private String deviceName; |
| private String blockStorageProductCode; |
| private CommonCode blockStorageInstanceStatus; |
| private CommonCode blockStorageInstanceOperation; |
| private String blockStorageInstanceStatusName; |
| private Date createDate; |
| private String blockStorageInstanceDescription; |
| private CommonCode diskTypeCode; |
| private CommonCode diskType; |
| private CommonCode diskDetailType; |
| private Integer maxIopsThroughput; |

## 例示

### 呼び出し

```
ncloud server changeBlockStorageVolumeSize --blockStorageInstanceNo 1089090 --blockStorageSize 20
```

### レスポンス

```
{
  "changeBlockStorageVolumeSizeResponse": {
    "requestId": "2fa29b38-daf8-4658-953c-4d39dfc30095",
    "returnCode": "0",
    "returnMessage": "success",
    "totalRows": 1,
    "blockStorageInstanceList": [
      {
        "blockStorageInstanceNo": "1089090",
        "serverInstanceNo": "1021003",
        "serverName": "s1669aa4e78c",
        "blockStorageType": {
          "code": "SVRBS",
          "codeName": "Server BS"
        },
        "blockStorageName": "bst167588711f2",
        "blockStorageSize": 21474836480,
        "deviceName": "",
        "blockStorageProductCode": "SPBSTBSTAD000002",
        "blockStorageInstanceStatus": {
          "code": "CREAT",
          "codeName": "Block storage CREATED state"
        },
        "blockStorageInstanceOperation": {
          "code": "CHNG",
          "codeName": "Block Storage Resize OP"
        },
        "blockStorageInstanceStatusName": "changingSpec",
        "createDate": "2018-11-28T13:15:06+0900",
        "blockStorageInstanceDescription": "",
        "diskType": {
          "code": "NET",
          "codeName": "Network Storage"
        },
        "diskDetailType": {
          "code": "SSD",
          "codeName": "SSD"
        },
        "region": {
          "regionNo": "1",
          "regionCode": "KR",
          "regionName": "Korea"
        },
        "zone": {
          "zoneNo": "3",
          "zoneName": "KR-2",
          "zoneCode": "KR-2",
          "zoneDescription": "평촌 zone",
          "regionNo": "1"
        }
      }
    ]
  }
}
```

```
<?xml version="1.0" encoding="UTF-8" ?>
<changeBlockStorageVolumeSizeResponse>
  <requestId>2fa29b38-daf8-4658-953c-4d39dfc30095</requestId>
  <returnCode>0</returnCode>
  <returnMessage>success</returnMessage>
  <totalRows>1</totalRows>
  <blockStorageInstanceList>
    <blockStorageInstance>
      <blockStorageInstanceNo>1089090</blockStorageInstanceNo>
      <serverInstanceNo>1021003</serverInstanceNo>
      <serverName>s1669aa4e78c</serverName>
      <blockStorageType>
        <code>SVRBS</code>
        <codeName>Server BS</codeName>
      </blockStorageType>
      <blockStorageName>bst167588711f2</blockStorageName>
      <blockStorageSize>21474836480</blockStorageSize>
      <deviceName></deviceName>
      <blockStorageProductCode>SPBSTBSTAD000002</blockStorageProductCode>
      <blockStorageInstanceStatus>
        <code>CREAT</code>
        <codeName>Block storage CREATED state</codeName>
      </blockStorageInstanceStatus>
      <blockStorageInstanceOperation>
        <code>CHNG</code>
        <codeName>Block Storage Resize OP</codeName>
      </blockStorageInstanceOperation>
      <blockStorageInstanceStatusName>changingSpec</blockStorageInstanceStatusName>
      <createDate>2018-11-28T13:15:06+0900</createDate>
      <blockStorageInstanceDescription></blockStorageInstanceDescription>
      <diskType>
        <code>NET</code>
        <codeName>Network Storage</codeName>
      </diskType>
      <diskDetailType>
        <code>SSD</code>
        <codeName>SSD</codeName>
      </diskDetailType>
      <maxIopsThroughput>4000</maxIopsThroughput>
      <region>
        <regionNo>1</regionNo>
        <regionCode>KR</regionCode>
        <regionName>Korea</regionName>
      </region>
      <zone>
        <zoneNo>3</zoneNo>
        <zoneName>KR-2</zoneName>
        <zoneCode>KR-2</zoneCode>
        <zoneDescription>평촌 zone</zoneDescription>
        <regionNo>1</regionNo>
      </zone>
    </blockStorageInstance>
  </blockStorageInstanceList>
</changeBlockStorageVolumeSizeResponse>
```