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

> ## 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.

# BlockStorageMapping

Available in VPC

## Description

This is the block storage mapping information for a server image.

## Syntax

The syntax is as follows:

```
private Integer order;
private String blockStorageSnapshotInstanceNo;
private String blockStorageSnapshotName;
private Long blockStorageSize;
private String blockStorageName;
private CommonCode blockStorageVolumeType;
private Long iops;
private Long throughput;
private Boolean isEncryptedVolume;
```

## Field

The following describes the fields:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `order` | Integer | Required | Block storage order |
| `blockStorageSnapshotInstanceNo` | String | Optional | Block storage snapshot instance number |
| `blockStorageSnapshotName` | String | Optional | Block storage snapshot name |
| `blockStorageSize` | Long | Required | Block storage size (byte) |
| `blockStorageName` | String | Optional | Block storage name |
| `blockStorageVolumeType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Block storage volume type - `SSD` \| `HDD` \| `CB1` \| `FB1` |
| `iops` | Long | Optional | IOPS |
| `throughput` | Long | Optional | Load balancing performance |
| `isEncryptedVolume` | Boolean | Required | Volume encryption status - `true` \| `false` |