Backup / restore via user-interface

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## AWS[​](#AWS "Direct link to AWS")

### Taking backups to AWS[​](#taking-backups-to-aws "Direct link to Taking backups to AWS")

#### 1. Steps to follow in AWS[​](#aws-steps "Direct link to 1. Steps to follow in AWS")

Note

These steps are similar to the secure s3 setup as described in ["Accessing S3 data securely"](/docs/cloud/data-sources/secure-s3), however, there are additional actions required in the role permissions

Follow the steps below on your AWS account:

Create an AWS S3 bucket

##### Create an AWS S3 bucket[​](#create-s3-bucket "Direct link to Create an AWS S3 bucket")

Create an AWS S3 bucket in your account where you want to export backups.

Create an IAM role

##### Create an IAM role[​](#create-iam-role "Direct link to Create an IAM role")

AWS uses role based authentication, so create an IAM role that the ClickHouse Cloud service will be able to assume into, to write to this bucket.

- a. Obtain the ARN from the ClickHouse Cloud service settings page, under Network security information, which looks similar to this:

- b. For this role create the trust policy as follows:

```
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "backup service",
      "Effect": "Allow",
      "Principal": {
        "AWS":  "arn:aws:iam::463754717262:role/CH-S3-bordeaux-ar-90-ue2-29-Role"
      },
      "Action": "sts:AssumeRole"
    }
  ]
}
```

Update permissions for role

##### Update permissions for role[​](#update-permissions-for-role "Direct link to Update permissions for role")

You will also need to set the permissions for this role so this ClickHouse Cloud service can write to the S3 bucket.
This is done by creating a permissions policy for the role with a JSON similar to this one, where you substitute in your bucket ARN for the resource in both places.

```
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Action": [
        "s3:GetBucketLocation",
        "s3:ListBucket"
      ],
      "Resource": [
        "arn:aws:s3:::byob-ui"
      ],
      "Effect": "Allow"
    },
    {
      "Action": [
        "s3:Get*",
        "s3:List*",
        "s3:PutObject"
      ],
      "Resource": [
        "arn:aws:s3:::byob-ui/*"
      ],
      "Effect": "Allow"
    },
    {
      "Action": [
        "s3:DeleteObject"
      ],
      "Resource": [
        "arn:aws:s3:::byob-ui/*/.lock"
      ],
      "Effect": "Allow"
    }
  ]
}
```

#### 2. Steps to follow in ClickHouse Cloud[​](#cloud-steps "Direct link to 2. Steps to follow in ClickHouse Cloud")

Follow the steps below in the ClickHouse Cloud console to configure the external bucket:

Change external backup

##### Change external backup[​](#configure-external-bucket "Direct link to Change external backup")

On the Settings page, click on Set up external backup:

Configure AWS IAM Role ARN and S3 bucket details

##### Configure AWS IAM Role ARN and S3 bucket details[​](#configure-aws-iam-role-arn-and-s3-bucket-details "Direct link to Configure AWS IAM Role ARN and S3 bucket details")

On the next screen provide the AWS IAM Role ARN you just created and the S3 bucket URL in the following format:

Save changes

##### Save changes[​](#save-changes "Direct link to Save changes")

Click on “Save External Bucket” to save the settings

Changing the backup schedule from the default schedule

##### Changing the backup schedule from the default schedule[​](#changing-the-backup-schedule "Direct link to Changing the backup schedule from the default schedule")

External Backups will now happen in your bucket on the default schedule.
Alternatively, you can configure the backup schedule from the “Settings” page.
If configured differently, the custom schedule is used to write backups to your
bucket and the default schedule (backups every 24 hours) is used for backups in
the ClickHouse cloud owned bucket.

View backups stored in your bucket

##### View backups stored in your bucket[​](#view-backups-stored-in-your-bucket "Direct link to View backups stored in your bucket")

The Backups page will display these backups in your bucket in a separate table
as shown below:

### Restoring backups from AWS[​](#restoring-backups-from-aws "Direct link to Restoring backups from AWS")

Follow the steps below to restore backups from AWS:

Create a new service to restore to

##### Create a new service to restore to[​](#create-new-service-to-restore-to "Direct link to Create a new service to restore to")

Create a new service to restore the backup to.

Add service ARN

##### Add service ARN[​](#add-service-arn "Direct link to Add service ARN")

Add the newly created service’s ARN (from the service settings page in Clickhouse
Cloud console) to the trust policy for the IAM role. This is the same as the
[second step](#create-iam-role) in the AWS Steps section above. This is required
so the new service can access the S3 bucket.

Get SQL command used to restore backup

##### Get SQL command used to restore backup[​](#obtain-sql-command-to-restore-backup "Direct link to Get SQL command used to restore backup")

Click on the “access or restore a backup” link above the list of backups in the
UI to get the SQL command to restore the backup. The command will look like this:

Moving backups to another location

If you move the backups to another location, you will need to customize the restore command to reference the new location.

ASYNC command

For the Restore command you can also optionally add an `ASYNC` command at the end for large restores.
This allows the restores to happen asynchronously, so that if connection is lost, the restore keeps running.
It is important to note that the ASYNC command immediately returns a status of success.
This doesn't mean the restore was successful.
You will need to monitor the `system.backups` table to see if the restore has finished and if it succeeded or failed.

Run the restore command

##### Run the restore command[​](#run-the-restore-command "Direct link to Run the restore command")

Run the restore command from the SQL console in the newly created service to
restore the backup.

## GCP[​](#gcp "Direct link to GCP")

### Taking backups to GCP[​](#taking-backups-to-gcp "Direct link to Taking backups to GCP")

Follow the steps below to take backups to GCP:

#### Steps to follow in GCP[​](#gcp-steps-to-follow "Direct link to Steps to follow in GCP")

Create a GCP storage bucket

##### Create a GCP storage bucket[​](#create-a-gcp-storage-bucket "Direct link to Create a GCP storage bucket")

Create a storage bucket in your GCP account to export backups to.

Generate an HMAC Key and Secret

##### Generate an HMAC Key and Secret[​](#generate-an-hmac-key-and-secret "Direct link to Generate an HMAC Key and Secret")

Generate an HMAC Key and Secret, which is required for password-based authentication. Follow the steps below to generate the keys:

- a. Create a service account

  - I. Navigate to the IAM & Admin section in the Google Cloud Console and select `Service Accounts`.
  - II. Click `Create Service Account` and provide a name and ID. Click `Create and Continue`.
  - III. Grant the Storage Object User role to this service account.
  - IV. Click `Done` to finalize the service account creation.
- b. Generate the HMAC key

  - I. Go to Cloud Storage in the Google Cloud Console, and select `Settings`
  - II Go to the Interoperability tab.
  - III. In the `Service account HMAC` section, click `Create a key for a service account`.
  - IV. Choose the service account you created in the previous step from the dropdown menu.
  - V. Click `Create key`.
- c. Securely store the credentials:

  - I. The system will display the Access ID (your HMAC key) and the Secret (your HMAC secret). Save these values, as
    the secret won't be displayed again after you close this window.

#### Steps to follow in ClickHouse Cloud[​](#gcp-cloud-steps "Direct link to Steps to follow in ClickHouse Cloud")

Follow the steps below in the ClickHouse Cloud console to configure the external bucket:

Change external backup