---
title: "createBlockStorageInstance"
slug: "compute-vserver-storage-createblockstorageinstance"
updated: 2026-09-17T10:06:00Z
published: 2026-09-17T10:06:00Z
canonical: "api.ncloud-docs.com/compute-vserver-storage-createblockstorageinstance"
---

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

# createBlockStorageInstance

Available in VPC

Create a block storage instance.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| GET \| POST | /vserver/v2/createBlockStorageInstance |

              Note

              

This guide is based on the GET method. POST method call tests can be performed through Swagger in the API Gateway service of the NAVER Cloud Platform console.

### Request headers

For information about the headers common to all Server APIs, see [Server request headers](/docs/en/compute-vserver#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request query parameters

You can use the following query parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `regionCode` | String | Optional | Region code - See [getRegionList](/docs/en/compute-vserver-server-common-getregionlist). - First Region in the query results (default) |
| `zoneCode` | String | Conditional | Zone code - See [getZoneList](/docs/en/compute-vserver-server-common-getzonelist). - Required for KVM block storage |
| `blockStorageName` | String | Optional | Block storage name - Enter 3 to 30 characters using a combination of lowercase English letters, numbers, and the special character "-". - The string must start with a lowercase English letter and end with a lowercase English letter or a number. - Auto-generated on no input (default) |
| `blockStorageDiskDetailTypeCode` | String | Optional | Block storage disk detailed type code - `SSD` (default) \| `HDD` - Available for XEN block storage |
| `blockStorageVolumeTypeCode` | String | Conditional | Block storage volume type code - `SSD` \| `HDD` \| `CB1` \| `FB1` - See [getBlockStorageVolumeTypeList](/docs/en/compute-vserver-storage-getblockstoragevolumetypelist). - Required for KVM block storage |
| `serverInstanceNo` | String | Conditional | Server instance number - See [getServerInstanceList](/docs/en/compute-vserver-server-getserverinstancelist). - Required for XEN block storage - KVM block storage can't be assigned to a server at creation time. |
| `blockStorageSnapshotInstanceNo` | String | Optional | Block storage snapshot instance number - Enter when creating storage with an expiration snapshot. - See [getBlockStorageSnapshotInstanceList](/docs/en/compute-vserver-snapshot-getblockstoragesnapshotinstancelist). |
| `blockStorageSize` | Integer | Conditional | Block storage size (GB) - XEN: 10-2000 - KVM: 10-16380 - Enter in 10 GB increments. - Determined automatically when creating with XEN block storage snapshots - Set to a size equal to or larger than the existing snapshot size when creating with a KVM block storage snapshot. - Restrictions by storage type: See [Storage specifications](https://guide.ncloud-docs.com/docs/en/server-spec-vpc#%EC%8A%A4%ED%86%A0%EB%A6%AC%EC%A7%80-%EC%82%AC%EC%96%91). |
| `blockStorageDescription` | String | Optional | Block storage description (byte) - 0-1000 |
| `isReturnProtection` | Boolean | Optional | Termination protection status - `true` \| `false` - `true`: protected - `false`: not protected |
| `responseFormatType` | String | Optional | Format of the response data - `xml` (default) \| `json` |

### Request example

The request example is as follows:

```
curl --location --request GET 'https://ncloud.apigw.ntruss.com/vserver/v2/createBlockStorageInstance
?regionCode=KR
&zoneCode=KR-1
&blockStorageName=test
&blockStorageVolumeTypeCode=CB1
&blockStorageSize=50
&isReturnProtection=false
&responseFormatType=json' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `createBlockStorageInstanceResponse` | Object | - | Response result - See [BlockStorageInstanceList](/docs/en/common-vapidatatype-blockstorageinstancelist). |
| `createBlockStorageInstanceResponse.requestId` | String | - | ID for the request - UUID format |
| `createBlockStorageInstanceResponse.returnCode` | String | - | Response code |
| `createBlockStorageInstanceResponse.returnMessage` | String | - | Response message |

### Response status codes

For information about the response status codes common to all Server APIs, see [Server response status codes](/docs/en/compute-vserver#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
{
  "createBlockStorageInstanceResponse": {
    "totalRows": 1,
    "blockStorageInstanceList": [
      {
        "blockStorageInstanceNo": "*****4316",
        "blockStorageName": "test",
        "blockStorageType": {
          "code": "SVRBS",
          "codeName": "Server BS"
        },
        "blockStorageSize": 53687091200,
        "blockStorageProductCode": "BST.CB.CB1.V001",
        "blockStorageInstanceStatus": {
          "code": "INIT",
          "codeName": "Block storage INIT status"
        },
        "blockStorageInstanceOperation": {
          "code": "NULL",
          "codeName": "Block storage NULL OP"
        },
        "blockStorageInstanceStatusName": "initialized",
        "createDate": "2025-06-25T16:47:03+0900",
        "blockStorageDiskType": {
          "code": "NET",
          "codeName": "Network storage"
        },
        "blockStorageDiskDetailType": {
          "code": "SSD",
          "codeName": "SSD"
        },
        "maxIopsThroughput": 150,
        "isEncryptedVolume": false,
        "zoneCode": "KR-1",
        "regionCode": "KR",
        "isReturnProtection": false,
        "blockStorageVolumeType": {
          "code": "CB1",
          "codeName": "Common BlockStorage 1"
        },
        "hypervisorType": {
          "code": "KVM",
          "codeName": "KVM"
        },
        "throughput": 104857600,
        "iops": 150
      }
    ],
    "requestId": "9a3574bb-****-****-****-ca3488c6e3dd",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
```