Extracting Data from a RAID Disk When NAS TerraMaster D16-331 D16 Thunderbolt 3 is Not Booting: Step-by-Step Guide

⭐ NAS won't boot? Extract data from RAID disks by connecting them to a PC, configuring RAID settings, and using recovery software.

Extracting Data from a RAID Disk When NAS TerraMaster D16-331 D16 Thunderbolt 3 is Not Booting: Step-by-Step Guide

TerraMaster D16-331 D16 Thunderbolt 3 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from D16-331 D16 Thunderbolt 3.

Extracting Data from a RAID Disk When NAS TerraMaster D16-331 D16 Thunderbolt 3 is Not Booting: Step-by-Step Guide

RAID Recovery™ 2.6
Recover data from damaged RAID arrays inaccessible from a computer.
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Why can’t ordinary software tools restore files from RAID?

Conventional hard disks keep user’s data by writing it to their surface in a consecutive way, and this is how an entire file is stored on a single hard disk. However, when data is written to a RAID system, a file is divided into several parts. Then these parts are written consecutively to all hard disks within such array. The size of such parts may range from 2 KB to 2 MB, so each file is stored on several hard disks at the same time.

Such approach helps to speed up read and write operations, and it is evident that saving two parts of a file having the size of 1 GB to two hard disks simultaneously is much faster than saving the same 1 GB of data to one hard disk. However, this peculiarity makes file recovery more complicated.

Various RAID levels store information in different ways. Additionally, manufacturers like TerraMaster also introduce some modifications to this process, and that is why data can be written to hard disk in a wide variety of ways.

Are there any common mistakes or oversights made by users that can lead to data loss on NAS TerraMaster D16-331 D16 Thunderbolt 3 devices?

While it is difficult to provide an exhaustive list of all possible mistakes or oversights that can lead to data loss on NAS TerraMaster D16-331 D16 Thunderbolt 3 devices, here are some common ones to be aware of:

  1. Failure to regularly back up data: Many users assume that storing data on a NAS device is sufficient for data protection. However, if the NAS experiences a hardware failure, accidental deletion, or any other issue, data loss can occur. Regularly backing up data to an external storage device or cloud storage is crucial to mitigate this risk.
  2. Neglecting to update firmware: Firmware updates often include important bug fixes, security patches, and performance enhancements. Failing to update the firmware of your NAS device can leave it vulnerable to potential issues that may result in data loss.
  3. Inadequate security measures: Weak passwords, lack of two-factor authentication, or failure to implement proper network security measures can make your NAS device susceptible to unauthorized access, data breaches, or ransomware attacks. It is important to follow best practices for securing your NAS device and data.
  4. Improper shutdown procedures: Abruptly powering off the NAS device without following the proper shutdown procedures can lead to data corruption or loss. Always ensure that you shut down the device properly using the recommended procedures.
  5. Insufficient RAID configuration: If the NAS device is configured with a RAID setup, it is important to choose the appropriate RAID level and ensure that it is properly configured. Incorrect RAID configurations or a failure to replace failed drives promptly can result in data loss.
  6. Physical damage: Dropping the NAS device, exposing it to extreme temperatures, or subjecting it to other physical damage can lead to data loss. It is important to handle the device with care and keep it in a suitable environment.

To avoid data loss, it is recommended to thoroughly read the user manual provided by TerraMaster and follow the manufacturer's guidelines and best practices.

How to take hard disks out of the NAS and connect them to a PC?

Although NAS D16-331 D16 Thunderbolt 3 can be accessed over the network, you still need to take the hard disks out of the storage device and connect them to a Windows computer. Only in this case will the software be able to scan them properly. Here is what you should do:

  1. Turn off the storage and disconnect it from the power supply.

    WARNING! Before you start taking hard disks out of your NAS device, read the manual carefully. Incorrect actions may damage your network-attached storage and/or the hard disks within the RAID system.

  2. Take the hard disks out of the NAS one by one, carefully removing them from their slots. Remember that the disks are extremely vulnerable: hitting or dropping them may result in serious physical damage.

  3. Make sure to mark each hard disk in accordance with how they were installed inside the NAS.

  4. Remove the hard disks and connect them to the computer. In this video, we have explored what ports are used to connect hard disks, and what to do if there are not enough ports or connectors.

    Go to view
    How to Order Remote Data Recovery

    How to Order Remote Data Recovery

Restoring data with Hetman RAID Recovery

Hetman Raid Recovery

This program recovers data from damaged RAID arrays and is fully compatible with TerraMaster D16-331 D16 Thunderbolt 3. The hard disks that make up the RAID contain technical information about the algorithm used to save files. When launched, Hetman RAID Recovery reads this information and puts the damaged array together. Then you can open the disk and save your files. Also, you can recover the files accidentally deleted from the network drive.

Go to view
How to recover data from a TerraMaster

How to recover data from a TerraMaster

D16-331 D16 Thunderbolt 3 has 16 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 5;
  • RAID 6;
  • RAID 50;
  • RAID 60;
  • JBOD;

NAS supports:

  • Ext2;
  • Ext3;
  • Ext4;
  • Btrfs;

Safe recovery from disk images

This utility lets you save an entire copy of the disk to file and then work with this image instead of the actual disk. Such feature helps to protect data on the disk from:

  • Overwriting during the recovery process;
  • Loss resulting from bad sectors;
  • User mistakes.

To create an image, do the following:

  1. Make sure that you have enough free space to save the image. The image file size usually equals the disk size.

  2. Select the disk in the main window, and choose from the menu ToolsSave Disk. You can select multiple disks to be saved.

  3. When the image creation wizard starts, you can choose to save the entire disk or select only a part of it. Specify the parameters and click Next.

    Hetman Raid Recovery: Image Creation Wizard
  4. At this stage, you need to choose a directory where to save the image. Choose any disk connected to this PC, or save the image by FTP.

    Hetman Raid Recovery: hoose any disk connected to this PC, or save the image by FTP

Where are user’s files stored?

The TerraMaster D16-331 D16 Thunderbolt 3 network-attached storage keeps OS Linux operating system files on a separate RAID 1 (mirrored) array. Usually, all NAS systems create several volumes on every hard disk, and the first of them takes up to 2 Gb of space. This is where operating system files are stored. Other volumes are united into a RAID array where user’s data is written.

Comparison of software for RAID recovery

Product Operating system License type RAID controller support Supported file systems Virtual RAID controller support Data recovery from damaged RAID File preview
Hetman RAID Recovery Windows Paid Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
DiskInternals RAID Recovery Windows Paid Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
R-Studio Windows, Mac, Linux Paid Yes, over 200 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
UFS Explorer RAID Recovery Windows, Mac, Linux Paid Yes, over 1,000 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
EaseUS Data Recovery Windows Paid Yes, over 20 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
ReclaiMe Free RAID Recovery Windows Free Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes

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Comments (3)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 9.08.2022 12:31 #
    If you want to ask a question about data recovery, from NAS D16-331 D16 Thunderbolt 3, feel free to leave a comment!
  • Bram Newdigate
    Bram Newdigate 10.09.2023 03:46 #
    How to rebuild RAID on NAS TerraMaster D16-331 D16 Thunderbolt 3?
    • Hetman Software
      Hetman Software 10.09.2023 05:00 #

      To rebuild a RAID on the TerraMaster D16-331 D16 Thunderbolt 3 NAS, follow these steps:

      1. Log in to the TerraMaster NAS web interface using the admin credentials.
      2. Go to the "Storage Manager" section.
      3. Under the "Volume Management" tab, you will see the list of existing RAID volumes.
      4. Identify the RAID volume that needs to be rebuilt and click on the "Manage" button next to it.
      5. In the RAID volume management window, you will see the status of the RAID. If it shows a degraded or failed status, it means that a disk has failed and needs to be replaced.
      6. Replace the failed disk with a new one of the same size or larger. Make sure the new disk is compatible with the NAS.
      7. Once the new disk is installed, go back to the RAID volume management window and click on the "Rebuild" button.
      8. Select the replacement disk from the list of available disks and click on the "Start Rebuild" button.
      9. The NAS will now start rebuilding the RAID using the new disk. The time it takes to rebuild depends on the size of the RAID and the speed of the disks.
      10. Monitor the progress of the rebuild process. You can check the status in the RAID volume management window.
      11. Once the rebuild is complete, the RAID volume should show a healthy status. You can now access your data as usual.

      Note: It is recommended to backup your data regularly to avoid data loss in case of a RAID failure.

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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What are the necessary steps to connect a printer to the NAS TerraMaster D16-331 D16 Thunderbolt 3?

    To connect a printer to the TerraMaster D16-331 D16 Thunderbolt 3 NAS, you need to follow these steps:

    1. Check NAS compatibility: Ensure that the TerraMaster D16-331 D16 Thunderbolt 3 NAS supports printer connectivity. Refer to the product documentation or manufacturer's website to confirm compatibility.
    2. Connect the printer: Use a USB cable to connect the printer to one of the USB ports on the TerraMaster NAS. Make sure the cable is securely plugged in.
    3. NAS configuration: Access the TerraMaster NAS control panel by entering its IP address in a web browser. Login with your admin credentials.
    4. Enable printer sharing: Navigate to the settings or control panel section related to printer sharing. Look for options like "Print Server" or "Printer Sharing". Enable the printer sharing feature.
    5. Add printer drivers: If required, install the printer drivers compatible with the TerraMaster NAS on the computers that will be accessing the printer. This step may vary depending on the operating system of the connected devices.
    6. Connect computers to the printer: On each computer that needs to use the printer, go to the printer settings and add a network printer. Search for the printer connected to the TerraMaster NAS and select it. Follow the on-screen instructions to complete the setup.
    7. Test the connection: Print a test page from each computer to ensure that the printer is properly connected and functioning.

    Note: The specific steps may vary slightly depending on the NAS firmware version and printer model. It is recommended to refer to the TerraMaster NAS user manual or contact their support for detailed instructions if needed.

  • Are there any specific printer compatibility requirements for connecting it to the NAS TerraMaster D16-331 D16 Thunderbolt 3?

    There are no specific printer compatibility requirements for connecting a printer to the TerraMaster D16-331 D16 Thunderbolt 3 NAS. As long as the printer supports network connectivity, you should be able to connect it to the NAS using either Ethernet or Wi-Fi. The NAS itself does not have any printer-specific compatibility requirements.

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