---
title: "exportDbServerLogToObjectStorage"
slug: "cli-vmongodb-exportdbserverlogtoobjectstorage"
updated: 2026-09-17T10:08:42Z
published: 2026-09-17T10:08:42Z
canonical: "cli.ncloud-docs.com/cli-vmongodb-exportdbserverlogtoobjectstorage"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://cli.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# exportDbServerLogToObjectStorage

Available in VPC

Send Cloud DB for MongoDB instance DB server log files to Object Storage. To send DB server log files to Object Storage, Object Storage buckets for storing and searching DB server log files must be created in advance. For more information, see [Object Storage user guide](https://guide.ncloud-docs.com/docs/en/storage-storage-6-1).

## Syntax

The `exportDbServerLogToObjectStorage` syntax is as follows:

```
./ncloud vmongodb exportDbServerLogToObjectStorage \
    --cloudMongoDbServerInstanceNo <server-instance-no> \
    --logType <log|audit> \
    --fileName <log-file-name> \
    --bucketName <bucket-name> \
    [--regionCode <KR|SGN|JPN>] \
    [--output <json|xml>]
```

## Options

This section describes the options available when running `exportDbServerLogToObjectStorage`.

### Required options

The following options are required for `exportDbServerLogToObjectStorage`.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--cloudMongoDbServerInstanceNo` | String | Required | Cloud DB for MongoDB server instance number - See [getCloudMongoDbInstanceList](/docs/en/cli-vmongodb-getcloudmongodbinstancelist). |
| `--logType` | String | Required | DB server log file type - `log` \| `audit` |
| `--fileName` | String | Required | DB server log file name - See [getDbServerLogList](/docs/en/cli-vmongodb-getdbserverloglist). |
| `--bucketName` | String | Required | Name of the Object Storage bucket the DB server log file will be sent to - See [Object Storage](/docs/en/guide-objectstorage). |

### Common options

For information about the options common to all `vmongodb` subcommands, see [Cloud DB for MongoDB (VPC) options](/docs/en/cli-vmongodb#%EC%98%B5%EC%85%98).

## Examples

If the DB server log file transfer request is successful, the log file will be transferred to the specified Object Storage bucket.

### Command

The command example is as follows:

```
./ncloud vmongodb exportDbServerLogToObjectStorage \
    --cloudMongoDbServerInstanceNo 34567891 \
    --logType log \
    --fileName "mongod.log.2026-06-10T20-00-01" \
    --bucketName my-test-bucket \
    --regionCode KR \
    --output json
```

### Output

The output example is as follows:

```
{
  "exportDbServerLogToObjectStorageResponse": {
    "requestId": "b2c3d4e5-f6a7-8901-bcde-f23456789012",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
```