Data Recovery After RAID Array Format on NAS QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+: Recovery Guide

Recovering data after formatting a ⭐ NAS RAID array is possible. Here’s how to do it.

Data Recovery After RAID Array Format on NAS QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+: Recovery Guide

QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ 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-439 Pro / TS-439 Pro II / TS-439 Pro II+.

Data Recovery After RAID Array Format on NAS QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+: Recovery 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 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.

Can natural disasters such as floods or fires result in data loss for NAS QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ devices?

Yes, natural disasters such as floods or fires can potentially result in data loss for NAS (Network Attached Storage) devices like the QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+. These devices are physical hardware that store data, and if they are damaged or destroyed in a natural disaster, the data stored on them can be lost.

Floods can cause water damage to the NAS device, leading to hardware failure and data loss. Fires can completely destroy the device, making data recovery impossible. Additionally, power surges or electrical damage caused by lightning strikes during a storm can also damage the NAS device and result in data loss.

To protect against such risks, it is recommended to follow best practices for data backup and disaster recovery. This includes regularly backing up data from the NAS device to an off-site location or cloud storage, using redundant storage systems, and implementing appropriate disaster recovery plans.

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

Although NAS Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ 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-439 Pro / TS-439 Pro II / TS-439 Pro II+. 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-439 Pro / TS-439 Pro II / TS-439 Pro II+ 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 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 Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ 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-439 Pro / TS-439 Pro II / TS-439 Pro II+, 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 is the maximum storage capacity supported by the QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ when adding an additional hard drive?

    The QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ supports a maximum storage capacity of 16TB when adding an additional hard drive.

  • What are the recommended hard drive specifications (e.g., RPM, cache size) for adding an additional hard drive to the QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+?

    The recommended hard drive specifications for adding an additional hard drive to the QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ are as follows:

    1. RPM (Rotations Per Minute): It is recommended to use hard drives with a rotational speed of 7200 RPM or higher. This ensures faster data access and better performance.
    2. Cache Size: The cache size refers to the amount of onboard memory on the hard drive that helps in storing frequently accessed data. A larger cache size generally results in better performance. It is recommended to use hard drives with a cache size of at least 64MB or higher.
    3. Interface: The QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ supports SATA (Serial ATA) hard drives. Therefore, it is important to ensure that the hard drive you choose has a SATA interface.
    4. Capacity: The capacity of the hard drive depends on your storage requirements. The QNAP Turbo Station supports multiple hard drives, so you can choose the capacity based on your needs. It is recommended to use hard drives with a capacity of 1TB or higher for optimal storage.
    5. Compatibility: It is important to ensure that the hard drive you choose is compatible with the QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+. You can refer to the QNAP website or user manual for a list of compatible hard drives.

    Note: It is always recommended to use hard drives from reputable manufacturers and ensure that they are designed for use in network-attached storage (NAS) devices.

  • Can the QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ support different sizes or brands of hard drives when adding an additional drive, or is it recommended to use identical drives for compatibility and performance reasons?

    The QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+ can support different sizes or brands of hard drives when adding an additional drive. However, it is generally recommended to use identical drives for compatibility and performance reasons.

    Using identical drives ensures that the performance and capabilities of the drives are consistent, which can help in achieving optimal performance and reliability. It also simplifies the management and configuration of the storage system.

    If different drives are used, the system will still function, but there may be some limitations or considerations to keep in mind. The system will typically use the lowest common denominator in terms of capacity and performance, meaning that the largest drive will be limited to the capacity of the smallest drive, and the overall performance may be impacted.

    Additionally, using different brands or models of drives may introduce compatibility issues or differences in firmware behavior, which could potentially cause issues or require additional configuration.

    In summary, while it is possible to use different sizes or brands of hard drives in the QNAP Turbo Station TS-439 Pro / TS-439 Pro II / TS-439 Pro II+, it is generally recommended to use identical drives for compatibility and performance reasons.

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