Offsite Audit Report


1. Scope

This article explains the Offsite Audit Report. This report helps you understand how your data is stored in the Cloud and how much space each agent and recovery point uses. For more information about how Datto’s Inverse Chain Technology works, see the article Explaining the Inverse Chain.

2. Background

The Offsite Audit Report lists the following information about the Cloud data associated with your Datto device:

  • Total size of the device
  • Which Cloud server it connects to
  • Active Datasets per Protected Machine ("Agent")
  • "Oldchain" Datasets that are stored for archival purposes
  • A breakdown of stored recovery points for each agent

3. Procedure

This report only runs once per day. If you follow these steps again within a 24 hour period, it will appear to generate a new report, but it will be the same report.

To generate the Offsite Audit report, follow these steps:

  1. Go to, and log in.
  2. Click on the Devices menu, and click Status.
  3. Find the device you wish to audit, and click on it. On the left side of the page, you will see device information, as shown in Figure 1.

    Figure 1 - Device Status

  4. Click on the Advanced tab. You will see the Advanced Info, as shown in Figure 2.

    Figure 2 - Advanced Tab

  5. Click the Run Audit link to start the audit process. This will take some time.
  6. When the report is done, you will see the View Report link, as shown in Figure 3. The report opens in a new browser tab. See Figure 4.

    Figure 3 - View Report

    Figure 4 - Offsite Audit Report Example

4. The Report - Explained

This section explains the data in the report, broken down by section.

The "Base" size or value indicated in the report above is the total amount of data referenced by that snapshot at that point in time when the backup was taken. In other words, the "Base" value indicates the size of the live dataset at that point in time.

4.1. Header

This section explains the report items shown in Figure 5.

Figure 5 - Report Header

Datasets Menu - Click this item for a menu of links to Active and Oldchain Datasets. They are listed by agent.

Top - Click this to return to the top of the report.

Download icon - Click this icon to download the whole report.

Device - The name of the Datto device

Size - The amount of Cloud storage space used by this device

Server - The Cloud server ID number (for Datto internal use)

4.2. Active Datasets

The "Active Dataset" refers to the data that is actively being backed up in the Cloud. The size of this dataset is usually larger than the data that is stored locally on the Datto device, because it usually keeps data longer than the local device. This depends on the device's Local and Cloud Retention Settings.

In Figure 6, the Active Datasets are listed by protected machine ("Agent"). "Size" refers to the total size of the agent volume offsite including storage used for snapshots. The "Base" column shows the "refer" or "referenced" size of the agent volume which is essentially the current size of the live dataset. Click the icon in the "Info" column to go to that agent's section of the report.

If you subtract the "Base" value from the "Size" value, this will give you the amount of storage that is used by snapshots alone

Figure 6 - Active Datasets

4.3. Oldchain Datasets / Deleted Vol

Oldchain datasets are old backup chains that are kept for archival purposes. If the inverse chain is broken, an "oldchain" is created. In Figure 7, the size column lists the size of the chain, and "Base" lists the "referred" size of the base image.

Figure 7 - Oldchain Datasets

4.4. Active Datasets / [Agent IP]

For each agent, you will see a section as shown in Figure 8. The blue box in the upper right lists the number of recovery points for the agent. The list shows the details of each recovery point. The data and time columns refer to the time the backup occurred. The "Size" column lists the size of the recovery point. The "Base" column lists the size of the base image at the time the recovery point was taken. The "Type" column shows whether the recovery point was from an Agent or a NAS share.

Figure 8 - Active Dataset Details by Agent

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