> For the complete documentation index, see [llms.txt](https://rubrik.gitbook.io/rubrik-sdk-for-python/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rubrik.gitbook.io/rubrik-sdk-for-python/devel-1/data-management-functions/begin_managed_volume_snapshot.md).

# begin\_managed\_volume\_snapshot

Open a managed volume for writes. All writes to the managed volume until the snapshot is ended will be part of its snapshot.

```python
def begin_managed_volume_snapshot(self, name, timeout=30):
```

## Arguments

| Name | Type | Description                                              | Choices |
| ---- | ---- | -------------------------------------------------------- | ------- |
| name | str  | The name of the Managed Volume to begin the snapshot on. |         |

## Keyword Arguments

| Name    | Type | Description                                                                 | Choices | Default |
| ------- | ---- | --------------------------------------------------------------------------- | ------- | ------- |
| timeout | int  | The number of seconds to wait to establish a connection the Rubrik cluster. |         | 30      |

## Returns

| Type | Return Value                                                                              |
| ---- | ----------------------------------------------------------------------------------------- |
| str  | No change required. The Managed Volume '`name`' is already assigned in a writeable state. |
| dict | The full API response for `POST /managed_volume/{id}/begin_snapshot`.                     |

## Example

```python
import rubrik_cdm

rubrik = rubrik_cdm.Connect()

managed_volume_name = 'MV1'

begin_snapshot = rubrik.begin_managed_volume_snapshot(managed_volume_name)

print(begin_snapshot)
```