---
title: Attach
url: https://docs.vultr.com/reference/vultr-cli/block-storage/attach
description: Connects a Block Storage volume to a specified instance, making the additional storage available to your virtual machine.
publish_date: 2025-09-14T03:01:43.309203Z
last_updated: 2025-11-07T17:39:43.661289Z
---

The `vultr-cli block-storage attach` command connects a Block Storage volume to a specified server instance, making the additional storage available to that server.

## Usage

```console
$ vultr-cli block-storage attach <Block Storage ID> [flags]
```

## Examples

```console
# Full example
$ vultr-cli block-storage attach 67181686-5455-4ebb-81eb-7299f3506e2c --instance=a7898453-dd9e-4b47-bdab-9dd7a3448f1f

# Shortened with aliased commands
$ vultr-cli bs a 67181686-5455-4ebb-81eb-7299f3506e2c -i=a7898453-dd9e-4b47-bdab-9dd7a3448f1f
```

## Flags
| Shorthand | Long Version | Description |
|-----------|--------------|-------------|
| -i | --instance | instance ID to which to attach the block storage |
| - | --live | attach block storage without restarting the instance |