# 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)
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://rubrik.gitbook.io/rubrik-sdk-for-python/devel-1/data-management-functions/begin_managed_volume_snapshot.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
