Home NAS QNAP TVS-673 Data Recovery: Features and Strategies

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Home NAS QNAP TVS-673 Data Recovery: Features and Strategies

QNAP TVS-673 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from TVS-673.

Home NAS QNAP TVS-673 Data Recovery: Features and Strategies

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 QNAP also introduce some modifications to this process, and that is why data can be written to hard disk in a wide variety of ways.

Is there a risk of data loss if a NAS QNAP TVS-673 device is physically damaged or stolen?

Yes, there is a risk of data loss if a NAS QNAP TVS-673 device is physically damaged or stolen. If the device is physically damaged, the hard drives inside may become inaccessible or corrupted, leading to data loss. Similarly, if the device is stolen, the data stored on the NAS can be compromised or lost entirely. It is always recommended to have a backup strategy in place to mitigate the risk of data loss in such situations.

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

Although NAS TVS-673 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 QNAP TVS-673. 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 QNAP

How to recover data from a QNAP

TVS-673 has 6 HDD slots, and it supports the following array types:

  • RAID 6;
  • RAID 5;
  • RAID 10;
  • RAID 0;
  • RAID 1;
  • JBOD;

NAS supports:

  • ZFS;
  • EXT4;
  • EXT3;
  • exFAT;
  • FAT32 (External Disk Only);
  • NTFS (External Disk Only);
  • HFS+ (External Disk Read Only);

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 QNAP TVS-673 network-attached storage keeps QTS (QuTS hero) 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 TVS-673, feel free to leave a comment!
  • Morty Witherspoon
    Morty Witherspoon 17.09.2023 11:58 #
    Is it possible to recover data from a NAS QNAP TVS-673 device that has undergone a factory reset or system restore?
    • Hetman Software
      Hetman Software 17.09.2023 13:00 #

      It is generally not possible to recover data from a NAS device that has undergone a factory reset or system restore. These actions are designed to wipe out all data and settings on the device, including the stored data.

      If you have not backed up your data before performing a factory reset or system restore, it is unlikely that you will be able to recover the lost data. It is always recommended to regularly back up important data to prevent any potential 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

  • How does the QNAP TVS-673 function as a VPN server and what are its key features in this regard?

    The QNAP TVS-673 is a network-attached storage (NAS) device that can function as a VPN server. Here are its key features in this regard:

    1. VPN protocols: The TVS-673 supports various VPN protocols such as OpenVPN, PPTP, and L2TP/IPsec. These protocols ensure secure and encrypted communication between the NAS and connected devices.
    2. Secure remote access: With the VPN server functionality, you can securely access your NAS and its resources remotely over the internet. This allows you to access files, folders, and applications stored on the NAS from anywhere in the world.
    3. User-friendly setup: The QNAP NAS provides a user-friendly interface for setting up the VPN server. You can easily configure the server settings, including VPN protocols, encryption, and authentication methods, through the NAS management interface.
    4. Multiple client support: The TVS-673 allows multiple clients to connect to the VPN server simultaneously. This is useful if you have multiple devices or users who need secure remote access to the NAS.
    5. Enhanced security: The VPN server on the TVS-673 offers enhanced security features such as firewall settings, intrusion prevention, and access control. These features help protect your network and data from unauthorized access and potential threats.
    6. Flexibility and compatibility: The QNAP NAS supports a wide range of operating systems, including Windows, macOS, Linux, and mobile platforms like iOS and Android. This ensures compatibility with various devices and allows you to connect to the VPN server using different devices and operating systems.

    Overall, the QNAP TVS-673 functioning as a VPN server provides a secure and convenient way to access your NAS remotely, ensuring the privacy and integrity of your data during transmission.

  • What are the advantages and limitations of using the QNAP TVS-673 as a VPN server compared to other VPN server options?

    Advantages of using the QNAP TVS-673 as a VPN server:

    1. Integrated solution: The QNAP TVS-673 is a NAS (Network Attached Storage) device that also functions as a VPN server. This integration allows for easy setup and management of the VPN server within the same device.
    2. High performance: The TVS-673 is equipped with a powerful processor and ample memory, allowing it to handle multiple VPN connections and provide fast data transfer speeds.
    3. Robust security features: QNAP NAS devices often come with advanced security features such as firewall settings, IP blocking, and encryption protocols, ensuring secure VPN connections.
    4. Scalability: The TVS-673 offers the ability to expand storage capacity as needed, making it suitable for growing businesses or organizations requiring larger VPN server capabilities.

    Limitations of using the QNAP TVS-673 as a VPN server:

    1. Limited VPN protocols: The TVS-673 may only support a limited number of VPN protocols, which might restrict compatibility with certain client devices or networks.
    2. Hardware limitations: While the TVS-673 is a powerful NAS device, it may have limitations in terms of concurrent VPN connections or maximum throughput, depending on the specific model.
    3. Complexity for non-technical users: Setting up and configuring a VPN server on the TVS-673 may require some technical knowledge, making it less suitable for users with limited IT expertise.
    4. Dependency on the NAS device: If the TVS-673 encounters any hardware or software issues, the VPN server functionality may be affected, potentially causing downtime for VPN connections.

    When comparing the QNAP TVS-673 to other VPN server options, it is essential to consider factors such as the specific requirements, budget, and technical expertise of the user or organization. Other VPN server options, such as dedicated VPN appliances or virtual machines, may offer more flexibility, performance, or specialized features but may also come at a higher cost or require additional hardware and maintenance.

  • Can the QNAP TVS-673 handle high VPN traffic and ensure secure remote access to the network?

    Yes, the QNAP TVS-673 is capable of handling high VPN traffic and ensuring secure remote access to the network. It supports various VPN protocols such as PPTP, L2TP/IPsec, and OpenVPN, which allow for secure remote connections. Additionally, the TVS-673 has built-in VPN server functionality, allowing users to easily create a VPN server and manage remote access to the network. It also offers advanced security features like firewall settings, IP blocking, and intrusion prevention to enhance the overall security of the network.

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