---
title: "BlockStorageInstance"
slug: "common-apidatatype-blockstorageinstance"
updated: 2026-09-17T09:25:03Z
published: 2026-09-17T09:25:03Z
canonical: "api.ncloud-docs.com/common-apidatatype-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 Classic

This is a block storage instance.

## Syntax

The syntax is as follows.

```
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;
private Region region;
private Zone zone;
```

## Field

The following describes the fields.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `blockStorageInstanceNo` | String | Required | NAVER Cloud Platform's identifier to identify block storage |
| `serverInstanceNo` | String | Required | Server instance (VM) number to which block storage is attached |
| `serverName` | String | Required | Attached server name |
| `blockStorageType` | [CommonCode](/docs/en/common-apidatatype-commoncode) | Required | Block storage type - `BASIC` \| `SVRBS` \| `SNAP` \| `NSI` - `BASIC`: basic block storage - `SVRBS`: additional block storage - `SNAP`: snapshot - `NSI`: member's server image |
| `blockStorageName` | String | Required | Block storage name - Example: /dev/xvda, /dev/xvdb |
| `blockStorageSize` | String | Required | Block storage size (GB) |
| `blockStorageProductCode` | String | Required | Block storage product code - Product code corresponding to the block storage managed by NAVER Cloud Platform |
| `blockStorageInstanceStatus` | [CommonCode](/docs/en/common-apidatatype-commoncode) | Required | Block storage instance status - `INIT` \| `CREAT` \| `ATTAC` \| `TERMT` \| `NAVAI` \| `DT_FL` - `INIT`: initiated - `CREAT`: created - `ATTAC`: attached - `TERMT`: terminated - `NAVAI`: not available - `DT_FL`: detach failed |
| `blockStorageInstanceOperation` | [CommonCode](/docs/en/common-apidatatype-commoncode) | Optional | Block storage instance operation status - `ATTAC` \| `DETAC` \| `TERMT` \| `NULL` \| `COPY` \| `CREAT` - `ATTAC`: stop - `DETAC`: restart - `TERMT`: terminate - `NULL`: no operation - `COPY`: copy - `CREAT`: create |
| `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 - `initialized` \| `creating` \| `detached` \| `copying` \| `terminating` \| `repairing` \| `terminated` \| `detachFailed` |
| `createDate` | Date | Required | Block storage creation date and time |
| `serverInstanceStatus` | [CommonCode](/docs/en/common-apidatatype-commoncode) | Required | Server instance status |
| `blockStorageInstanceDescription` | String | Required | Block storage instance description |
| `diskType` | [CommonCode](/docs/en/common-apidatatype-commoncode) | Required | Disk type - `NET` \| `LOCAL` - `NET`: network disk - `LOCAL`: local disk |
| `diskDetailType` | [CommonCode](/docs/en/common-apidatatype-commoncode) | Required | Disk detailed type - `HDD` \| `SSD` |
| `maxIopsThroughput` | Integer | Optional | Maximum IOPS - No values are assigned for HDDs |
| `region` | Region | Required | Region |
| `zone` | Zone | Required | Zone |