How to recover data from TerraMaster U8-111 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 U8-111

TerraMaster U8-111 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from U8-111.

How to recover data from NAS TerraMaster U8-111

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.

Are there any preventive measures to minimize the risk of data loss on NAS TerraMaster U8-111 devices?

Yes, there are several preventive measures you can take to minimize the risk of data loss on NAS TerraMaster U8-111 devices:

  1. Regular backups: Implement a backup strategy that includes regular backups of your data. This can be done using built-in backup features of the TerraMaster NAS or by using third-party backup software.
  2. RAID configuration: Configure your TerraMaster NAS with a RAID level that suits your needs. RAID provides redundancy by distributing data across multiple drives, so if one drive fails, your data is still accessible.
  3. UPS (Uninterruptible Power Supply): Connect your TerraMaster NAS to a UPS to protect it from power surges and outages. Sudden power loss can lead to data corruption or loss.
  4. Firmware updates: Keep your TerraMaster NAS firmware up to date. Manufacturers often release firmware updates that address security vulnerabilities and improve system stability.
  5. User access control: Implement proper user access control and permissions to restrict unauthorized access to your data. Create separate user accounts with appropriate privileges for different users.
  6. Network security: Ensure your network is secure by using strong passwords, enabling encryption, and implementing firewall rules to protect your TerraMaster NAS from unauthorized access.
  7. Antivirus and malware protection: Install and regularly update antivirus and malware protection software on your TerraMaster NAS to prevent any potential threats.
  8. Regular maintenance: Perform regular maintenance tasks like checking hard drive health, monitoring system logs, and cleaning up unnecessary files to ensure optimal performance and minimize the risk of data loss.

Remember, while these preventive measures can significantly reduce the risk of data loss, it is always recommended to have an off-site backup as an additional layer of protection.

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

Although NAS U8-111 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 U8-111. 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

U8-111 has 8 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 U8-111 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 U8-111, feel free to leave a comment!
  • Jesse Worboys
    Jesse Worboys 10.09.2023 13:41 #
    Is it possible to recover data from a NAS TerraMaster U8-111 device if the device is experiencing slow performance or file access issues?
    • Hetman Software
      Hetman Software 10.09.2023 13:59 #

      Yes, it is possible to recover data from a NAS TerraMaster U8-111 device even if the device is experiencing slow performance or file access issues. Here are a few steps you can take to troubleshoot and recover data from the device:

      1. Check the network connection: Ensure that the NAS device is connected to the network properly and that there are no issues with the network itself. Slow performance or file access issues can sometimes be caused by network problems.
      2. Restart the NAS device: Try restarting the TerraMaster U8-111 NAS device to see if it resolves the performance or access issues. This can help clear any temporary glitches or errors that may be affecting its performance.
      3. Update firmware: Check for any available firmware updates for the TerraMaster U8-111 NAS device. Updating the firmware can often address performance issues and improve overall stability.
      4. Check storage drive health: Use the NAS device's management interface to check the health of the storage drives. If any drive is failing or experiencing errors, it may cause slow performance or file access issues. In such cases, you may need to replace the faulty drive and rebuild the RAID array if applicable.
      5. Access data directly: If the NAS device is still not functioning properly, you can try accessing the data directly from the storage drives. Remove the drives from the NAS and connect them to a computer or another compatible NAS device to recover the data.
      6. Seek professional help: If you are unable to recover the data on your own, it is recommended to seek professional help from data recovery specialists or contact TerraMaster support for further assistance.

      Remember to always have regular backups of your important data to avoid data loss situations.

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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 key features and benefits of using the NAS TerraMaster U8-111 as central storage in a network environment?

    The key features and benefits of using the NAS TerraMaster U8-111 as central storage in a network environment are:

    1. High Storage Capacity: The TerraMaster U8-111 offers up to 96TB of storage capacity, allowing for ample space to store and manage large amounts of data in a network environment.
    2. RAID Support: It supports various RAID configurations like RAID 0, 1, 5, 6, 10, and JBOD, providing data redundancy and protection against drive failures.
    3. High-Speed Data Transfer: With support for multiple Gigabit Ethernet ports, the U8-111 enables fast data transfer speeds, ensuring smooth access and sharing of files across the network.
    4. Scalability: The NAS supports expansion units, allowing for easy scalability as storage needs grow over time. Additional drives can be added to increase the storage capacity without replacing the entire system.
    5. Data Protection: The U8-111 offers multiple data protection mechanisms, including snapshot backups, AES hardware encryption, and support for various backup solutions like Time Machine, Rsync, and cloud backup services.
    6. Remote Access and File Sharing: It provides remote access capabilities, allowing users to access and share files securely from anywhere using mobile apps or web browsers.
    7. User-friendly Interface: The NAS comes with an intuitive and user-friendly interface, making it easy to set up, configure, and manage the storage system in a network environment.
    8. Multimedia Streaming: The U8-111 supports multimedia streaming, allowing users to stream and enjoy media files directly from the NAS to various devices like smart TVs, media players, and gaming consoles.
    9. Power Efficiency: It is designed to be power-efficient, consuming less energy compared to traditional storage solutions, resulting in lower operating costs and reduced environmental impact.
    10. Data Backup and Recovery: The NAS offers various backup and recovery options, including scheduled backups, incremental backups, and snapshot backups, ensuring data integrity and providing options for data recovery in case of accidental deletion or system failure.
  • How does the NAS TerraMaster U8-111 ensure data security and reliability for centralized storage solutions?

    The NAS TerraMaster U8-111 ensures data security and reliability for centralized storage solutions through various features and mechanisms:

    1. RAID Support: The U8-111 supports various RAID levels (RAID 0, 1, 5, 6, 10, and JBOD), allowing users to configure their storage arrays for data redundancy and protection against drive failures. RAID helps in ensuring data availability and reliability.
    2. Data Encryption: The U8-111 supports AES 256-bit encryption, which allows users to encrypt their data stored on the NAS. This ensures that even if the drives are physically stolen or accessed by unauthorized individuals, the data remains secure and unreadable.
    3. Snapshot Technology: The U8-111 employs snapshot technology, which enables users to take point-in-time snapshots of their data. These snapshots serve as backups and provide an additional layer of data protection against accidental deletion, file corruption, or ransomware attacks.
    4. Multiple Backup Options: The U8-111 offers various backup options, including local backups to external drives, remote backups to other NAS devices or cloud storage services, and synchronization with cloud storage providers like Dropbox, Google Drive, etc. These backup options provide redundancy and ensure data availability in case of any failures.
    5. User Access Controls: The U8-111 allows administrators to set up user access controls, including user permissions, access restrictions, and user groups. This ensures that only authorized users can access specific files or folders, enhancing data security.
    6. Network Security: The U8-111 supports various network security protocols like SSL/TLS encryption, firewall settings, and IP blocking. These features help protect the NAS from unauthorized access and ensure data integrity during transmission over the network.
    7. Power Protection: The U8-111 incorporates a built-in power supply unit (PSU) and supports an uninterruptible power supply (UPS) connection. This protects the NAS and its data from sudden power outages or fluctuations, reducing the risk of data corruption or loss.

    Overall, the NAS TerraMaster U8-111 combines hardware and software features to provide data security and reliability, ensuring that centralized storage solutions are robust and protected against various threats and failures.

  • Can the NAS TerraMaster U8-111 be easily integrated with existing network infrastructure and compatible with different operating systems?

    Yes, the NAS TerraMaster U8-111 can be easily integrated with existing network infrastructure. It supports various network protocols such as SMB/CIFS, NFS, FTP, and WebDAV, which allow seamless integration with different operating systems and network environments.

    In terms of compatibility with different operating systems, the TerraMaster U8-111 supports Windows, Mac, and Linux operating systems. This makes it suitable for use in mixed operating system environments, allowing users to access and share files across different platforms without any compatibility issues.

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