How to recover data from QNAP Turbo Station TS-451S / TS-451U 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 QNAP Turbo Station TS-451S / TS-451U
Data Recovery Tool

QNAP Turbo Station TS-451S / TS-451U NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from Turbo Station TS-451S / TS-451U.

How to recover data from NAS QNAP Turbo Station TS-451S / TS-451U

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.

How can data be recovered from a NAS QNAP Turbo Station TS-451S / TS-451U device after a malfunction or data loss event?

Recovering data from a NAS QNAP Turbo Station TS-451S / TS-451U device after a malfunction or data loss event can be done using the following steps:

  1. Identify the cause of the malfunction: Determine whether the data loss is due to hardware failure, accidental deletion, or a software issue. This will help you choose the appropriate recovery method.
  2. Contact QNAP support: If the malfunction is due to a hardware failure, it is recommended to contact QNAP support for assistance. They can provide guidance on troubleshooting the device and potentially recover the data.
  3. Use QNAP's built-in recovery tools: QNAP NAS devices usually come with built-in recovery tools that can help recover data in case of accidental deletion or software issues. These tools may include options to restore deleted files or recover from a previous backup.
  4. Utilize data recovery software: If the built-in recovery tools are not sufficient, you can use third-party data recovery software. Connect the NAS device to a computer and use the software to scan for and recover lost data. It is important to choose a reliable and reputable data recovery software that supports QNAP NAS devices.
  5. Seek professional data recovery services: If the data loss is due to severe hardware failure or if the above methods do not work, it may be necessary to seek professional data recovery services. These services specialize in recovering data from damaged or malfunctioning storage devices and can provide the best chance of retrieving lost data.

Remember to always have a backup strategy in place to prevent data loss in the future. Regularly back up your important files to an external storage device or cloud storage to minimize the impact of any future data loss events.

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

Although NAS Turbo Station TS-451S / TS-451U 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 Turbo Station TS-451S / TS-451U. 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

Turbo Station TS-451S / TS-451U has 4 HDD slots, and it supports the following array types:

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

NAS supports:

  • ZFS;
  • EXT4;
  • EXT3;
  • 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 Tools – Save 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 Turbo Station TS-451S / TS-451U 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 (1)

  • 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 Turbo Station TS-451S / TS-451U, feel free to leave a comment!
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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 benefits of adding an additional hard drive to a QNAP Turbo Station TS-451S / TS-451U NAS?

    Adding an additional hard drive to a QNAP Turbo Station TS-451S / TS-451U NAS offers several benefits:

    1. Increased storage capacity: By adding an extra hard drive, you can expand the storage capacity of your NAS. This is particularly useful if you are running out of space and need to store more data.
    2. Data redundancy: With an additional hard drive, you can set up RAID configurations such as RAID 1 or RAID 5. These configurations create redundant copies of your data, ensuring that even if one drive fails, your data remains safe and accessible.
    3. Improved performance: By adding more hard drives, you can distribute the workload across multiple drives, resulting in improved read and write speeds. This is especially beneficial when multiple users are accessing the NAS simultaneously or when running resource-intensive applications.
    4. Flexibility and scalability: The additional hard drive provides the flexibility to expand your storage capacity as your needs grow. You can easily add more drives in the future to accommodate increasing data requirements.
    5. Backup and disaster recovery: With an extra hard drive, you can set up scheduled backups or real-time replication to ensure that your data is backed up and protected against potential data loss or disasters.
    6. Separation of data: You can use the additional hard drive to separate and organize your data more efficiently. For example, you can dedicate one drive for media storage, another for personal files, and another for business-related data.
    7. Easy maintenance and upgrades: Having an extra hard drive allows for easier maintenance and upgrades. You can replace a faulty drive without interrupting the operation of the NAS, and upgrading to larger capacity drives becomes straightforward.

    Overall, adding an additional hard drive to a QNAP Turbo Station TS-451S / TS-451U NAS enhances storage capacity, data protection, performance, and flexibility, providing a more robust and scalable storage solution.

  • How do I correctly install and configure an additional hard drive for my QNAP Turbo Station TS-451S / TS-451U NAS?

    To correctly install and configure an additional hard drive for your QNAP Turbo Station TS-451S / TS-451U NAS, follow these steps:

    1. Ensure that your NAS is powered off and disconnected from the power source before proceeding.
    2. Locate the drive bays on your NAS. The TS-451S / TS-451U usually has four drive bays, each capable of accommodating a 3.5" SATA hard drive.
    3. Remove the drive bay cover by sliding it out or lifting it, depending on the model.
    4. Take the additional hard drive and align it with the connectors inside the drive bay. Ensure that the SATA connectors on the hard drive match the connectors in the bay.
    5. Slide the hard drive into the bay until it is firmly seated. You may need to use screws or a latch mechanism to secure the drive in place, depending on your NAS model.
    6. Repeat steps 3-5 for any additional hard drives you wish to install.
    7. Once all the hard drives are installed, connect the NAS to the power source and power it on.
    8. Access the NAS administration interface by typing the NAS IP address into a web browser. The default IP address is usually "192.168.1.100".
    9. Log in to the NAS administration interface using your admin credentials.
    10. In the administration interface, go to the "Storage & Snapshots" section.
    11. Click on "Storage Manager" to manage your hard drives.
    12. In the Storage Manager, you should see the newly installed hard drives listed. Click on "Create" to create a new storage pool.
    13. Follow the on-screen instructions to configure the storage pool. You can choose RAID levels, disk allocation, and other settings according to your requirements.
    14. Once the storage pool is created, you can create volumes or shared folders to start using the additional hard drive space.
    15. You can also configure other settings like access permissions, backup options, and network settings as needed.

    By following these steps, you should be able to successfully install and configure an additional hard drive for your QNAP Turbo Station TS-451S / TS-451U NAS.

  • What factors should I consider when selecting an additional hard drive for my QNAP Turbo Station TS-451S / TS-451U NAS?

    When selecting an additional hard drive for your QNAP Turbo Station TS-451S / TS-451U NAS, there are several factors you should consider:

    1. Compatibility: Ensure that the hard drive you choose is compatible with your QNAP NAS model. Check the manufacturer's website or consult the user manual for a list of supported hard drives.
    2. Capacity: Determine the amount of storage space you require. Consider factors such as the number of users, types of files to be stored (e.g., documents, photos, videos), and future growth needs. Select a hard drive with sufficient capacity to meet your storage requirements.
    3. Form Factor: Check the form factor of the hard drive. The QNAP Turbo Station TS-451S / TS-451U NAS typically supports 3.5-inch SATA hard drives, although some models may also support 2.5-inch drives. Ensure the hard drive you choose matches the form factor supported by your NAS.
    4. Drive Speed: Consider the rotational speed (RPM) of the hard drive. Higher RPM drives offer faster data transfer rates, resulting in improved performance. However, they may also generate more heat and noise. Choose a drive with an appropriate RPM based on your performance needs and tolerance for noise.
    5. RAID Support: If you plan to use RAID (Redundant Array of Independent Disks) for data redundancy or performance improvement, ensure that the hard drive you select supports the RAID level you intend to use (e.g., RAID 1, RAID 5, RAID 10).
    6. Reliability: Look for hard drives from reputable manufacturers known for their reliability and durability. Consider factors such as the drive's Mean Time Between Failures (MTBF) and warranty period.
    7. Budget: Determine your budget for the additional hard drive. Prices can vary based on capacity, speed, and brand. Strike a balance between your storage requirements and budget constraints.
    8. Power Consumption: Consider the power consumption of the hard drive, especially if you plan to keep your NAS running 24/7. Lower power consumption drives can help reduce energy costs and heat generation.
    9. Noise and Vibration: Some hard drives may generate more noise or vibration than others. If noise or vibration is a concern, look for drives that are designed to be quiet or have features to minimize vibrations.
    10. User Reviews: Read user reviews and ratings to get an idea of the performance, reliability, and compatibility of the hard drive you are considering. This can provide valuable insights from other users who have already tested the drive with the same NAS model.

    By considering these factors, you can select an additional hard drive that meets your storage requirements, performs well, and integrates seamlessly with your QNAP Turbo Station NAS.
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