SIRIS, ALTO, and NAS: Decrypting a Reverse RoundTrip drive



This article explains the process to decrypt a Reverse RoundTrip drive, using the Command-Line Interface (CLI) of a Datto appliance.


  • Datto Reverse RoundTrip


A reverse RoundTrip NAS has the same functionality as a standard Datto NAS. When you receive your RoundTrip NAS, connect a keyboard, monitor, and mouse to it. If you will need the NAS to have networking, or if Datto Technical Support will be assisting you with decrypting its data, connect a live Ethernet cable to the appliance and note the IP address displayed on the NAS GUI.

Press Ctrl + Alt + F1 to access the appliance's Command Line Interface (CLI). Log in using the following credentials:

Username: root
Password: datto

Type zpool import. If the drive is encrypted, you should see output similar to the following:

  Figure 1: zpool import

If you do not already have the decryption passphrase for the drive, contact Datto Technical Support for assistance. Make note of the zpool name shown in the pool field.

Start the decryption process by typing the command cryptsetup luksOpen /dev/sdX zpoolName, where X represents the drive letter of the Reverse RoundTrip, and zpoolName represents the name of the Reverse RoundTrip pool. In the below example, the drive letter is a, and the zpool name is backup

 Figure 2: Enter passphrase

Enter the decryption password, and once done, import homePool:

 Figure 3: Import homePool

Enter the zfs list command. The data on the Reverse RoundTrip drive will become visible:

  Figure 4: zfs list

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