How to recover data from TerraMaster D5-330 D5 Thunderbolt3 NAS

Is your network drive gone, and you are wondering what to do? Has a RAID system crashed, and your files are no longer accessible? Does your device display an error while booting? Have you accidentally rebuilt your RAID system? Are several hard disks out of order?

How to recover data from NAS TerraMaster D5-330 D5 Thunderbolt3

TerraMaster D5-330 D5 Thunderbolt3 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from D5-330 D5 Thunderbolt3.

How to recover data from NAS TerraMaster D5-330 D5 Thunderbolt3

Recover data from damaged RAID arrays inaccessible from a computer.

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.

How can a NAS TerraMaster D5-330 D5 Thunderbolt3 device's caching policy impact data loss risks?

The caching policy of a NAS (Network Attached Storage) device like the TerraMaster D5-330 D5 Thunderbolt3 can impact data loss risks in the following ways:

  1. Write-back caching: This caching policy allows data to be written to the cache first and then gradually moved to the storage disks in the background. While this improves write performance, there is a risk of data loss if a power outage or system failure occurs before the data is completely written to the disks. In such cases, any data in the cache that has not been written to the disks may be lost.
  2. Write-through caching: This caching policy immediately writes data to both the cache and the storage disks simultaneously. This reduces the risk of data loss as the data is written to the disks right away. However, it may impact write performance compared to write-back caching.
  3. No caching: Some NAS devices may allow you to disable caching altogether. In this case, data is written directly to the storage disks without utilizing any cache. While this eliminates the risk of data loss due to cache failure or power outage, it might result in slower write performance compared to caching-enabled configurations.

It's important to note that caching policies are typically configurable on NAS devices, allowing users to choose the option that best suits their needs. However, it's crucial to understand the trade-offs between performance and data loss risks when selecting a caching policy. Additionally, implementing appropriate backup strategies and uninterruptible power supply (UPS) systems can help mitigate data loss risks regardless of the caching policy chosen.

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

Although NAS D5-330 D5 Thunderbolt3 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 D5-330 D5 Thunderbolt3. 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.

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How to recover data from a TerraMaster

How to recover data from a TerraMaster

D5-330 D5 Thunderbolt3 has 4 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 5;
  • RAID 6;
  • 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 D5-330 D5 Thunderbolt3 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 D5-330 D5 Thunderbolt3, feel free to leave a comment!
  • Bubba Comerford
    Bubba Comerford 10.09.2023 13:45 #
    Can data recovery from a NAS TerraMaster D5-330 D5 Thunderbolt3 device be performed if there are issues with the network interface card or port?
    • Hetman Software
      Hetman Software 10.09.2023 15:00 #

      Yes, data recovery from a NAS TerraMaster D5-330 D5 Thunderbolt3 device can still be performed even if there are issues with the network interface card or port. The NAS device typically allows for direct connection to a computer via Thunderbolt or USB, bypassing the network interface. This means that even if the network interface is not functioning properly, you can still connect the NAS directly to a computer using Thunderbolt or USB and access the data.

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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

  • How user-friendly is the web interface of the NAS TerraMaster D5-330 D5 Thunderbolt3? Can you provide a detailed overview of its features and functionality?

    The web interface of the NAS TerraMaster D5-330 D5 Thunderbolt3 is designed to be user-friendly and intuitive, making it easy for users to navigate and manage their data. Here is a detailed overview of its features and functionality:

    1. Dashboard: The web interface provides a dashboard that gives you an overview of your NAS system. It displays information such as system status, storage capacity, network details, and system health.
    2. File Management: You can easily manage your files and folders through the web interface. It supports basic file operations like copying, moving, renaming, and deleting. You can also create new folders, upload files, and download them directly from the interface.
    3. Storage Management: The NAS TerraMaster D5-330 D5 Thunderbolt3 allows you to manage your storage efficiently. You can create RAID arrays, expand storage capacity, and monitor the health of your drives. It also supports features like hot swapping, which allows you to replace a faulty drive without powering down the system.
    4. User and Group Management: You can create multiple user accounts and assign different access permissions to them. This enables you to control who can access specific files and folders on the NAS. You can also create user groups for easier management.
    5. Network Settings: The web interface provides options to configure network settings such as IP address, DNS, and gateway. It supports both dynamic and static IP configurations.
    6. Backup and Sync: You can set up scheduled backups to external devices or remote servers using protocols like Rsync. The NAS also supports cloud storage services like Dropbox, Google Drive, and OneDrive for easy synchronization of your data.
    7. Application Center: The NAS TerraMaster D5-330 D5 Thunderbolt3 has an application center where you can install various applications to extend its functionality. It offers applications for media streaming, file sharing, surveillance, and more.
    8. Security: The web interface allows you to configure security settings to protect your data. You can enable features like firewall, SSL/TLS encryption, and IP blocking to enhance the security of your NAS.
    9. System Settings: You can customize various system settings through the web interface. This includes managing system updates, configuring email notifications, setting up power management options, and more.

    Overall, the web interface of the NAS TerraMaster D5-330 D5 Thunderbolt3 provides a comprehensive set of features and functionality for easy management of your data. It is designed to be user-friendly, allowing both novice and advanced users to effectively utilize the NAS system.

  • Are there any specific security measures or authentication protocols implemented in the web interface of the NAS TerraMaster D5-330 D5 Thunderbolt3? How does it ensure the safety of data and prevent unauthorized access?

    The NAS TerraMaster D5-330 D5 Thunderbolt3 implements several security measures and authentication protocols to ensure the safety of data and prevent unauthorized access. Here are some of the key security features:

    1. User Access Control: The NAS supports user and group-based access control, allowing administrators to create multiple user accounts with different access permissions. This ensures that only authorized users can access specific data or perform certain actions.
    2. Password Protection: User accounts are protected by passwords, ensuring that only individuals with valid credentials can log in and access the NAS.
    3. Two-Factor Authentication (2FA): The NAS supports 2FA, which adds an extra layer of security by requiring users to provide a second form of authentication, such as a verification code sent to their mobile device, in addition to their password.
    4. HTTPS Encryption: The web interface of the NAS uses HTTPS (HTTP Secure) protocol to encrypt the communication between the user's browser and the NAS, ensuring that data transmitted over the network is secure and protected from eavesdropping or tampering.
    5. Network Security: The NAS supports various network security features like firewall settings, IP blocking, and SSL/TLS encryption for secure remote access, preventing unauthorized access from external networks.
    6. Data Encryption: The NAS supports AES 256-bit data encryption, allowing users to encrypt their data stored on the device. This ensures that even if the physical device is stolen or accessed without authorization, the data remains encrypted and inaccessible.
    7. Automatic Firmware Updates: The NAS regularly receives firmware updates from TerraMaster, which include security patches and bug fixes. Keeping the firmware up to date ensures that any known security vulnerabilities are addressed promptly.

    It's important to note that while these security measures provide a strong level of protection, it's also crucial for users to follow best practices such as using strong passwords, regularly updating firmware, and implementing secure network configurations to further enhance the security of the NAS and its data.

  • Can you explain the process of accessing and managing files through the web interface of the NAS TerraMaster D5-330 D5 Thunderbolt3? Are there any limitations or restrictions in terms of file types, sizes, or transfer speeds?

    To access and manage files through the web interface of the TerraMaster D5-330 D5 Thunderbolt3 NAS, you can follow these steps:

    1. Connect the NAS to your network and power it on.
    2. Open a web browser on your computer and enter the IP address of the NAS.
    3. Log in to the web interface using your username and password.
    4. Once logged in, you will be able to navigate through the file system similar to how you would on a computer.
    5. You can create folders, upload files, download files, delete files, and perform other file management tasks using the web interface.
    6. The web interface may also provide additional features like file sharing, access control, and remote access.

    In terms of limitations or restrictions, there might be a few considerations:

    1. File Types: The NAS should support a wide range of file types, including documents, images, videos, and audio files. However, certain proprietary or uncommon file types may not be supported.
    2. File Sizes: The NAS should support files of various sizes, including small and large files. However, there might be a maximum file size limit imposed by the NAS or the file system used.
    3. Transfer Speeds: The transfer speeds may depend on various factors such as the network infrastructure, the NAS's hardware capabilities, and the type of connection (wired or wireless). Thunderbolt3 connection, which the TerraMaster D5-330 supports, offers high-speed data transfer rates, but the actual speed may be influenced by other factors in the network.

    It's recommended to refer to the user manual or documentation provided by TerraMaster for specific details on file type support, maximum file sizes, and expected transfer speeds for the D5-330 NAS.

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