ALERT: Datto Drive Cloud service will no longer be available as of July 1, 2019. For more information, see our end-of-life article. If you'd like to migrate your data to Datto Workplace, see our migration guide.
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Cloud Data Usage Explained


1. Purpose

The purpose of this article is to explain how Datto stores data in the cloud for both legacy and current products, as well as to clarify the important differences between the two methods.

2. Background

The legacy G-Series devices offered a file based backup solution. A G-Series device simply stores a mirror image of its data in the cloud. Datto's current products, including the SIRIS, ALTO, and Datto NAS, use proprietary Inverse Chain Technology to take snapshot backups and retain archival data. The length of time that these archival backups are retained depends on the device's Cloud Billing Policy agreement. If you have questions in regards to your current cloud billing methods for any of your devices, those plans can be discussed with your Account Manager.

3. Cloud Storage Details

3.1. G-Series Cloud Replication Process

The G-Series devices perform cloud replication of the shares that the partner creates. It does not archive snapshots of the protected shares. Any changes to the data on the G-Series replicates to the cloud.

NOTE: Any data that you delete from the G-Series device will also be permanently deleted from the Datto Cloud. No archive of this data exists at all. Take great care when deleting data from a G-Series device.

  • If something is deleted on the G-Series device, it is also deleted from the cloud.
  • When fully synchronized, the cloud has the exact same data as on the G-Series device.

3.1.1. G-Series Example Scenarios

Scenario 1
The user saves a modification to an existing file called Spreadsheet1. This change is automatically replicated to the G-Series.

  • The G-Series device replicates the updated Spreadsheet1 to the cloud, replacing the older version of Spreadsheet1 on the cloud server with the newer version from the local device.

Scenario 2
Spreadsheet2 has already synced, but someone deletes it from the G-Series.

  • The cloud server checks the G-Series device to determine if Spreadsheet2 is still there.
  • The offsite server does not see Spreadsheet2 in that directory, so it deletes the file from the cloud server.
  • If Spreadsheet2 was only moved to another directory, it is deleted from the previous directory and then added to the new directory.

3.2. Cloud Storage with Current Datto Devices

The SIRIS, ALTO, and Datto NAS devices all provide archival storage of data in the cloud. This is extra insurance against data loss: Even if data is deleted from a SIRIS device, the data may still exist in the cloud, for a period of time determined by the device's Cloud Billing Policy.

3.2.1. Cloud Retention Settings

The cloud retention options for a device are set during deployment. To change these settings afterwards, connect to the Datto from the web interface. Click on an agent, and go to the Offsite Retention section, as shown in Figure 1. Once there, select the Offsite Retention section from the list on the left, as shown in Figure 1. To save these settings to the agent you selected, click the Apply button. To save the settings to all of the agents, click the Apply To All button.

Figure 1 - Offsite Retention Settings

3.2.2. Data Pruning

You may want to prune your cloud data for any of these reasons:

  • Decommission a device or agent
  • Re-purpose a device for another client
  • Avoid getting billed for going over your cloud data limit, if applicable

3.2.3. Submitting a Prune Request

You can submit a prune request in one of two ways: an online form or a PDF. Simply follow the instructions given on the form. Please be as specific as possible as to what we need to prune and the reason for pruning. If you have questions about your cloud data usage, please contact us at Datto Technical Support. We can provide you a full summary of your data and cloud retention settings and guide you through the process of submitting a prune request, if necessary.

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