Data Recovery After Formatting a NAS QNAP Turbo Station TS-669 Pro / TS-669L RAID Array: Recovery Methods

If you’ve mistakenly formatted your ⭐ NAS RAID array, here’s how to recover your data safely.

Data Recovery After Formatting a NAS QNAP Turbo Station TS-669 Pro / TS-669L RAID Array: Recovery Methods
Data Recovery Tool

QNAP Turbo Station TS-669 Pro / TS-669L 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-669 Pro / TS-669L.

Data Recovery After Formatting a NAS QNAP Turbo Station TS-669 Pro / TS-669L RAID Array: Recovery Methods

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.

Are there any data storage capacity limitations that can impact data loss risks for NAS QNAP Turbo Station TS-669 Pro / TS-669L devices?

Yes, there are data storage capacity limitations that can impact data loss risks for NAS QNAP Turbo Station TS-669 Pro / TS-669L devices. The primary limitation is the maximum capacity of the hard drives supported by the device. The TS-669 Pro / TS-669L supports up to six hard drives, and the maximum individual hard drive capacity supported depends on the model and firmware version.

For example, the TS-669 Pro supports up to 6TB drives, so the maximum total storage capacity would be 36TB (6TB x 6 drives). If larger capacity drives are used, the device may not recognize or utilize the full capacity of the drive, leading to potential data loss risks.

It is important to note that data loss risks can also be influenced by factors such as RAID configuration, backup strategies, and the overall health and reliability of the hard drives. Regular backups and monitoring of the device's storage health can help mitigate data loss risks.

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

Although NAS Turbo Station TS-669 Pro / TS-669L 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-669 Pro / TS-669L. 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-669 Pro / TS-669L has 6 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-669 Pro / TS-669L 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-669 Pro / TS-669L, 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 key differences between the QNAP Turbo Station TS-669 Pro and TS-669L models in terms of settings and configurations?

    The key differences between the QNAP Turbo Station TS-669 Pro and TS-669L models in terms of settings and configurations include:

    1. Processor: The TS-669 Pro is equipped with a more powerful Intel Atom 2.13GHz dual-core processor, while the TS-669L has a Marvell 1.2GHz single-core processor.
    2. Memory: The TS-669 Pro comes with 1GB DDR3 RAM (expandable up to 3GB), whereas the TS-669L has 512MB DDR3 RAM (expandable up to 1GB).
    3. Drive Bays: Both models have 6 drive bays, but the TS-669 Pro supports hot-swappable bays, allowing for easy replacement of drives without powering down the system. The TS-669L does not support hot-swapping.
    4. Connectivity: The TS-669 Pro has dual Gigabit Ethernet ports, which support link aggregation and failover, providing higher network bandwidth and redundancy. The TS-669L only has a single Gigabit Ethernet port.
    5. Expansion: The TS-669 Pro offers two additional eSATA ports for connecting external storage expansion units, allowing for increased storage capacity. The TS-669L does not have eSATA ports.
    6. Virtualization Support: The TS-669 Pro supports VMware, Citrix, and Microsoft Hyper-V virtualization platforms, making it suitable for virtualization environments. The TS-669L does not have built-in virtualization support.
    7. Operating System: The TS-669 Pro runs on QNAP's QTS operating system, which offers a wide range of applications and features. The TS-669L runs on an older version of the QTS operating system, with limited application support.
    8. Price: Due to the differences in hardware specifications and features, the TS-669 Pro generally has a higher price compared to the TS-669L.

    These are the main differences between the QNAP Turbo Station TS-669 Pro and TS-669L models in terms of settings and configurations. It's important to consider these factors when choosing the right model for your specific needs and requirements.

  • How can I optimize the settings on my QNAP Turbo Station TS-669 Pro / TS-669L to achieve better performance and security?

    To optimize the settings on your QNAP Turbo Station TS-669 Pro / TS-669L for better performance and security, you can follow these steps:

    1. Update Firmware: Ensure that your Turbo Station is running the latest firmware version. QNAP regularly releases updates that include performance improvements and security patches.
    2. RAID Configuration: If you are using RAID on your Turbo Station, choose an appropriate RAID level based on your requirements. RAID 10 or RAID 6 provide better performance and data redundancy compared to RAID 5.
    3. Enable Network Port Bonding: If your Turbo Station has multiple network ports, enable port bonding (link aggregation) to increase network throughput and redundancy.
    4. Enable Jumbo Frames: If your network infrastructure supports it, enabling jumbo frames can improve data transfer speed. Set the MTU size to 9000 on both the Turbo Station and your network switch/router.
    5. Enable SSD Cache: If your Turbo Station supports SSD cache, install SSDs and configure them as cache drives. This can significantly improve random access performance.
    6. Enable Network Recycle Bin: Enable the Network Recycle Bin feature to prevent accidental deletion of files. This feature keeps deleted files in a recycle bin on the Turbo Station, allowing easy recovery if needed.
    7. Enable Security Features: QNAP offers various security features like IP blocking, firewall, and antivirus. Enable these features and keep them up to date to protect your Turbo Station from unauthorized access and malware.
    8. Configure Access Control: Use the built-in access control features to restrict access to specific users or IP addresses. This helps in preventing unauthorized access to your data.
    9. Enable Two-Factor Authentication (2FA): Enable 2FA for added security. This requires users to provide a second form of authentication, such as a verification code from a mobile app, along with their password.
    10. Regularly Backup Data: Implement a backup strategy to ensure your data is protected. Use QNAP's built-in backup tools or third-party backup software to create regular backups to external drives, cloud storage, or remote servers.
    11. Monitor System Health: Use QNAP's system monitoring tools to keep an eye on the health of your Turbo Station. Monitor disk health, temperature, and system resource usage to identify any potential issues.
    12. Disable Unused Services: Disable any unnecessary services or applications running on your Turbo Station to free up system resources and reduce the attack surface.

    Remember to consult the QNAP documentation or seek professional assistance if you are unsure about any specific settings or configurations.

  • Are there any specific network settings or protocols that need to be configured on the QNAP Turbo Station TS-669 Pro / TS-669L for seamless integration with other devices and services?

    Yes, there are several network settings and protocols that can be configured on the QNAP Turbo Station TS-669 Pro / TS-669L to ensure seamless integration with other devices and services. Here are some of the key settings and protocols:

    1. Network Configuration: Ensure that the Turbo Station is connected to the network properly and has a valid IP address. You can configure the network settings through the QTS (QNAP Turbo NAS System) web interface.
    2. File Sharing Protocols: The Turbo Station supports various file sharing protocols such as SMB/CIFS (Windows File Sharing), AFP (Apple File Protocol), NFS (Network File System), and FTP (File Transfer Protocol). You can enable and configure these protocols based on your requirements and the devices/services you want to integrate with.
    3. User and Group Management: Set up user accounts and groups on the Turbo Station to control access to shared folders and services. This ensures that different devices and users have appropriate access permissions.
    4. Network Services: The Turbo Station offers various network services like DHCP server, DNS server, and VPN server. You can configure these services to ensure seamless connectivity and integration with other devices and services on the network.
    5. Cloud Services Integration: QNAP provides various cloud services like Qsync, myQNAPcloud, and CloudLink for seamless integration with other devices and remote access. You can configure these services to enable easy file synchronization, remote access, and sharing.
    6. Port Forwarding and Firewall: If you want to access the Turbo Station from outside the local network, you may need to set up port forwarding on your router and configure the Turbo Station's firewall settings to allow external access.

    It is recommended to consult the QNAP Turbo NAS user manual or the QNAP support website for detailed instructions on how to configure these settings and protocols specific to your model.
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