---
title: "BlockStorageInstance"
slug: "common-vapidatatype-blockstorageinstance"
updated: 2026-09-17T09:25:15Z
published: 2026-09-17T09:25:15Z
canonical: "api.ncloud-docs.com/common-vapidatatype-blockstorageinstance"
---

> ## 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.

# BlockStorageInstance

Available in VPC

This is a block storage instance.

## Syntax

The syntax is as follows.

```
private String blockStorageInstanceNo;
private String serverInstanceNo;
private String blockStorageName;
private CommonCode blockStorageType;
private Long blockStorageSize;
private String deviceName;
private String blockStorageProductCode;
private CommonCode blockStorageInstanceStatus;
private CommonCode blockStorageInstanceOperation;
private String blockStorageInstanceStatusName;
private Date createDate;
private String blockStorageDescription;
private CommonCode blockStorageDiskType;
private CommonCode blockStorageDiskDetailType;
private Integer maxIopsThroughput;
private Boolean isEncryptedVolume;
private String zoneCode;
private String regionCode;
private Boolean isReturnProtection;
private CommonCode blockStorageVolumeType;
private CommonCode hypervisorType;
private Long throughput;
private Long iops;
private Long blockStorageSnapshotInstanceNo;
```

## Field

The following describes the fields.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `blockStorageInstanceNo` | String | Required | Block storage instance number - NAVER Cloud Platform's identifier to identify block storage instance number |
| `serverInstanceNo` | String | Optional | Server instance number in which the block storage is assigned |
| `blockStorageName` | String | Required | Block storage name |
| `blockStorageType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Block storage type - `BASIC` \| `SVRBS` - `BASIC`: basic block storage - `SVRBS`: block storage added to the server |
| `blockStorageSize` | Long | Required | Block storage size (byte) |
| `deviceName` | String | Optional | Device name on the assigned server instance - <Example> /dev/xvda, /dev/xvdb |
| `blockStorageProductCode` | String | Required | Block storage product code - Product code corresponding to the block storage managed by NAVER Cloud Platform |
| `blockStorageInstanceStatus` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Block storage instance status - `INIT` \| `CREAT` \| `ATTAC` - `INIT`: initiated - `CREAT`: created - `ATTAC`: attached |
| `blockStorageInstanceOperation` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Block storage instance operation status - `ATTAC` \| `CREAT` \| `NULL` - `ATTAC`: attach - `CREAT`: create - `NULL`: no operation |
| `blockStorageInstanceStatusName` | String | Required | Block storage instance status name - Pass the current block storage instance status name by combining the block storage instance status with the block storage instance operation status |
| `createDate` | Date | Required | Creation date and time (YYYY-MM-DDThh:mm:ssZ) |
| `blockStorageDescription` | String | Optional | Block storage description |
| `blockStorageDiskType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Block storage disk type - `NET` - `NET` : network disk |
| `blockStorageDiskDetailType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Detailed type of block storage disk - `HDD` \| `SSD` |
| `maxIopsThroughput` | Integer | Optional | Maximum IOPS - Meaningful values are assigned only for SSDs |
| `isEncryptedVolume` | Boolean | Required | Volume encryption status - `true` \| `false` |
| `zoneCode` | String | Required | Zone code where the block storage is located |
| `regionCode` | String | Required | Region code where block storage is located |
| `isReturnProtection` | Boolean | Required | Termination protection status - `true` \| `false` |
| `blockStorageVolumeType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Block storage volume type |
| `hypervisorType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Hypervisor type |
| `throughput` | Long | Optional | Block storage throughput |
| `iops` | Long | Optional | Block storage IOPS |
| `blockStorageSnapshotInstanceNo` | Long | Optional | Block storage snapshot instance number |