---
title: "changeBlockStorageVolumeSize "
slug: "compute-server-changeblockstoragevolumesize"
updated: 2026-10-22T10:47:05Z
published: 2026-10-22T10:47:05Z
canonical: "api-gov.ncloud-docs.com/compute-server-changeblockstoragevolumesize"
---

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

# changeBlockStorageVolumeSize

## 개요

블록 스토리지 볼륨 사이즈를 변경합니다.

## 요청

### 요청 파라미터

| 파라미터명 | 필수 여부 | 타입 | 제약 사항 | 설명 |
| --- | --- | --- | --- | --- |
| blockStorageInstanceNo | Yes | String |  | - 블록 스토리지 인스턴스 번호 blockStorageInstanceNo는 getBlockStorageInstanceList 액션을 통해 획득 가능 |
| blockStorageSize | Yes | Long | Min : 10, Max : 2000 GB 10GB 단위 입력 | - 변경할 블록 스토리지 사이즈 볼륨 사이즈는 확대만 가능하며, 축소 기능은 제공하지 않음 추가된 볼륨 사이즈는 서버에서 파일 스토리지 크기를 확장해야 적용 가능 사용 가이드 [Compute > 스토리지 크기 변경하기 > 스토리지 크기 변경 가이드](https://guide-gov.ncloud-docs.com/docs/compute-compute-4-1-v2) 참조 |
| responseFormatType | No | String |  | - 응답 결과의 포맷 타입 Options : xml \| json Default : xml |

## 응답

### 응답 바디

- [BlockStorageInstanceList](/docs/common-apidatatype-blockstorageinstancelist)

## 예시

### 요청 예시

```
GET {API_URL}/changeBlockStorageVolumeSize
?blockStorageInstanceNo=1089090
&blockStorageSize=20
```

### 응답 예시

```
<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>
```