Performing a Volume Restore



This article describes the process to mount and access a Volume Restore on Windows-based operating systems.


  • Datto SIRIS
  • Datto ALTO
  • Microsoft Windows 7 and above


The Volume Restore feature allows a device operator to share the contents of a selected recovery point over the LAN as an iSCSI target. All files and folders in the recovery point will restore with the ACL attributes they had at the time the snapshot was taken. 

Use a volume restore if you do not need to virtualize or perform a Bare Metal Restore of a machine, but you would like to restore files with their NTFS permissions intact.

This process does not apply to externally-protected iSCSI shares. To restore a protected iSCSI share, follow the Restoring an External NAS Share process.

To create a Volume Restore, perform the following steps:

1. Access the Protect tab of your Datto appliance's GUI.

2. Select the backup set you'd like to restore from. Then, select Volume Restore, as shown in Figure 1.

Figure 1: Volume Restore (click to enlarge)

3. Select the desired recovery point. Then, click Start Restore.

4. You will see the configuration page shown in Figure 2.

Figure 2: Restore configuration (click to enlarge)

5. Datto appliances have the ability to protect iSCSI shares via CHAP authentication. Adding CHAP authentication to the share helps protect its data against networking attacks by requiring endpoints to provide access credentials to each other. To activate this feature, check the Enable CHAP authentication box. Enter the following information:

  • CHAP Username: Create a username which endpoints will use to connect to the iSCSI share on the Datto appliance.
  • CHAP Secret: Create a password that endpoints will use to connect to the share.

To use two-way CHAP authentication, check the Use mutual CHAP authentication box. In the fields which populate, enter the following information:

  • Mutual CHAP Username: Enter a username that the Datto appliance can use to connect to the endpoint.
  • Mutual CHAP Secret: Enter the password that the Datto appliance can use to connect to the endpoint.

6. When you finish configuring the share, click Generate Target to continue.

7. Your Datto appliance will share the contents of the selected recovery point over the network. Make note of the Target address displayed in the Mounted Restore Options field (Figure 3).

Figure 3: Restore target (click to enlarge)

8. Follow the steps in the Mounting an iSCSI Share in Windows article to attach the recovery point as a logical drive to your production machine.

9. When you are finished with your restore, unmount the share by using the Destroy Target button.

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