---
title: "Create cluster (G3)"
slug: "cdss-createkvmcluster"
updated: 2026-09-17T09:51:28Z
published: 2026-09-17T09:51:28Z
canonical: "api.ncloud-docs.com/cdss-createkvmcluster"
---

> ## 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.

# Create cluster (G3)

Available in VPC

Create a Cloud Data Streaming Service cluster.

              Note

              

This is a dedicated API for third-generation servers of the KVM hypervisor type.

## Request

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

| Method | URI |
| --- | --- |
| POST | /api/v1/cluster/createKvmCluster (Korea Region) |
| POST | /api/sgn-v1/cluster/createKvmCluster (Singapore Region) |
| POST | /api/jpn-v1/cluster/createKvmCluster (Japan Region) |

### Request headers

For information about the headers common to all Cloud Data Streaming Service APIs, see [Cloud Data Streaming Service request headers](/docs/en/analytics-clouddatastreamingservice#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request body

You can include the following data in the body of your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `clusterName` | String | Required | Cluster name - Enter 3 to 15 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. - Special character "-" can't be used consecutively. |
| `kafkaVersionCode` | Integer | Required | Kafka version code - See [Get version](/docs/en/analytics-clouddatastreamingservice-cluster-getkafkaversionlist). |
| `configGroupNo` | Integer | Required | Config group number - See [Get config group list](/docs/en/analytics-cdss-configgroup-getkafkaversionconfiggrouplist). - If there is no config group created with the applicable version, [Create config group](/docs/en/analytics-cdss-configgroup-createconfiggroup). |
| `kafkaManagerUserName` | String | Required | Manager tool access account ID - Enter 3 to 15 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. - Special character "-" can't be used consecutively. |
| `kafkaManagerUserPassword` | String | Required | Manager tool access account password - Enter 8 to 20 characters using a combination of English letters, numbers, and special characters. - Unusable special characters: ', ", `, ₩, /, &, space |
| `hypervisorCode` | String | Required | Hypervisor code - See [Get server generation](/docs/en/cdss-getservergenerationlist). |
| `generationCode` | String | Required | Server generation code - See [Get server generation](/docs/en/cdss-getservergenerationlist). |
| `softwareProductCode` | String | Required | Operating system type code - See [Get operating system type (G3)](/docs/en/cdss-getclusterserverimagelist). |
| `vpcName` | String | Required | VPC name - See [Get VPC list](/docs/en/analytics-clouddatastreamingservice-cluster-getvpclist). |
| `vpcNo` | Integer | Required | VPC number - See [Get VPC list](/docs/en/analytics-clouddatastreamingservice-cluster-getvpclist). |
| `managerNodeSubnetName` | String | Required | Manager node subnet name - See [Get subnet list (G3)](/docs/en/cdss-getavailablesubnetlist). |
| `managerNodeSubnetNo` | Integer | Required | Manager node subnet number - See [Get subnet list (G3)](/docs/en/cdss-getavailablesubnetlist). |
| `managerNodeProductCode` | String | Required | Manager node server type code - See [Get server type (G3)](/docs/en/cdss-getserverspeclist). |
| `dataNodeSubnetName` | String | Required | Broker node subnet name - See [Get subnet list (G3)](/docs/en/cdss-getavailablesubnetlist). |
| `dataNodeSubnetNo` | Integer | Required | Broker node subnet number - See [Get subnet list (G3)](/docs/en/cdss-getavailablesubnetlist). |
| `dataNodeCount` | Integer | Required | Number of broker nodes - 3-10 (default: 3) |
| `dataNodeProductCode` | String | Required | Broker node server type code - See [Get server type (G3)](/docs/en/cdss-getserverspeclist). |
| `dataNodeStorageType2Code` | String | Optional | Broker node storage connection type code - `NET` (valid value) |
| `dataNodeStorageInfraResourceDetailTypeCode` | String | Optional | Broker node storage type code - `CB1` (valid value) |
| `dataNodeStorageSize` | Integer | Required | Broker node storage capacity (GB) - 100-2000 (10 GB increment) |
| `serverSpecCode` | String | Required | Server spec code - See [Get server type (G3)](/docs/en/cdss-getserverspeclist). |

              Note

              

The `dataNode` in the request body refers to the broker node, for your reference.

### Request example

The request example is as follows:

```
curl --location --request POST 'https://clouddatastreamingservice.apigw.ntruss.com/api/v1/cluster/createKvmCluster' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--header 'Content-Type: application/json' \
--data '{
    "clusterName": "cluster01",
    "kafkaVersionCode": "3903006",
    "configGroupNo": 3**,
    "kafkaManagerUserName": "ncpadmin",
    "kafkaManagerUserPassword": "************",
    "hypervisorCode": "KVM",
    "generationCode": "G3",
    "softwareProductCode": "SW.VCDSS.OS.LNX64.ROCKY.08.G003",
    "vpcName": "test-vpc2",
    "vpcNo": 4***,
    "managerNodeSubnetName": "sb1",
    "managerNodeSubnetNo": 30***,
    "managerNodeProductCode": "SVR.VCDSS.STAND.C002.M008.NET.SSD.B050.G003",
    "dataNodeSubnetName": "sb2",
    "dataNodeSubnetNo": 33***,
    "dataNodeCount": 3,
    "dataNodeProductCode": "SVR.VCDSS.STAND.C002.M008.NET.SSD.B050.G003",
    "dataNodeStorageType2Code": "SSD",
    "dataNodeStorageInfraResourceDetailTypeCode": "CB1",
    "dataNodeStorageSize": 100,
    "serverSpecCode": "cdss.s2-g3"
}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `code` | Integer | - | Response code |
| `message` | String | - | Response message |
| `result` | Boolean | - | Response result - `true` \| `null` - `true`: Succeeded - `null`: Failed |
| `requestId` | String | - | ID for the request - UUID format |

### Response status codes

For information about the HTTP status codes common to all Cloud Data Streaming Service APIs, see [Cloud Data Streaming Service response status codes](/docs/en/analytics-clouddatastreamingservice#%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:

```
{
    "code": 0,
    "message": "SUCCESS",
    "result": true,
    "requestId": "71643b2e-****-****-****-59f75d13f864"
}
```