RAID Array Recovery on NAS QNAP VS-12148U-RP Pro: How to Recover After It Breaks

Dealing with a broken ⭐ NAS RAID array? Here’s what you need to do to recover your data and get your system back.

RAID Array Recovery on NAS QNAP VS-12148U-RP Pro: How to Recover After It Breaks

QNAP VS-12148U-RP Pro NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from VS-12148U-RP Pro.

RAID Array Recovery on NAS QNAP VS-12148U-RP Pro: How to Recover After It Breaks

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 known issues or limitations when using NAS QNAP VS-12148U-RP Pro devices with virtualization platforms such as VMware or Hyper-V?

There are a few known issues and limitations when using QNAP VS-12148U-RP Pro devices with virtualization platforms such as VMware or Hyper-V. Some of these include:

  1. Limited hardware resources: The QNAP VS-12148U-RP Pro may have limited hardware resources compared to dedicated virtualization servers. This can impact the number of virtual machines that can be hosted and their performance.
  2. Limited scalability: The VS-12148U-RP Pro may have limited scalability options, such as the number of drives or expansion units that can be added. This can restrict the growth of the virtualization environment.
  3. Lack of advanced virtualization features: The QNAP VS-12148U-RP Pro may lack advanced virtualization features found in dedicated virtualization servers, such as live migration, high availability, or advanced networking capabilities.
  4. Performance limitations: The performance of the VS-12148U-RP Pro may be lower compared to dedicated virtualization servers due to hardware limitations, such as lower CPU power or limited memory capacity.
  5. Compatibility issues: There may be compatibility issues between the QNAP NAS firmware and the virtualization platform, especially when using the latest versions of VMware or Hyper-V. It is important to check for firmware updates and compatibility lists provided by QNAP.
  6. Lack of dedicated support: QNAP NAS devices are primarily designed for file storage and sharing, and may not have dedicated support for virtualization platforms. This can lead to longer resolution times for virtualization-related issues.

It is always recommended to check the official documentation, compatibility lists, and forums for specific issues and limitations when using QNAP VS-12148U-RP Pro devices with virtualization platforms.

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

Although NAS VS-12148U-RP Pro 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 VS-12148U-RP Pro. 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

VS-12148U-RP Pro has 12 HDD slots, and it supports the following array types:

  • RAID 50;
  • RAID 60;
  • 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 VS-12148U-RP Pro 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 VS-12148U-RP Pro, feel free to leave a comment!
  • Chester Thew
    Chester Thew 15.09.2023 16:54 #
    Is it possible to recover data from a NAS QNAP VS-12148U-RP Pro device that has been infected by malware or viruses?
    • Hetman Software
      Hetman Software 15.09.2023 16:59 #

      Yes, it is possible to recover data from a NAS device that has been infected by malware or viruses. However, the process may vary depending on the severity of the infection and the specific circumstances. Here are a few steps you can take to recover data from an infected QNAP NAS device:

      1. Disconnect the infected NAS device from the network: This will help prevent the malware from spreading further and causing more damage.
      2. Consult with a professional: It is recommended to seek assistance from a professional data recovery service or a specialist in NAS devices. They will have the expertise and tools necessary to handle the recovery process effectively.
      3. Assess the damage: The data recovery specialist will assess the extent of the infection and determine the best course of action. They may need to clean the malware or virus from the NAS device before proceeding with the recovery.
      4. Recover data from backups: If you have regular backups of your data stored on separate media or cloud storage, the recovery process may involve restoring the data from these backups.
      5. Explore data recovery options: In some cases, if the data is not backed up, the data recovery specialist may use specialized tools and techniques to recover the data directly from the infected NAS device. This process can be complex and time-consuming, and success is not guaranteed.

      Prevention is always better than cure, so it is crucial to have proper security measures in place to protect your NAS device from malware and viruses. Regularly updating the firmware, using strong passwords, enabling firewall and antivirus software, and keeping backups are some of the recommended practices to prevent such infections.

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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 QNAP VS-12148U-RP Pro as a NAS for supporting iTunes?

    The QNAP VS-12148U-RP Pro is a high-performance NAS (Network Attached Storage) device that offers several key features and benefits for supporting iTunes:

    1. Storage capacity: The VS-12148U-RP Pro provides a large storage capacity, allowing you to store and manage a vast library of music, movies, and other media files for iTunes. It supports up to 12 hard drives, providing ample space for your iTunes library.
    2. Redundancy and data protection: This NAS model features redundant power supplies and supports RAID configurations (including RAID 0, 1, 5, 6, and 10), ensuring data redundancy and protection against drive failures. This is crucial for maintaining the integrity of your iTunes library.
    3. High-performance hardware: The VS-12148U-RP Pro is equipped with a powerful Intel Xeon processor and up to 64GB of RAM, allowing for fast and efficient data processing. This ensures smooth streaming and playback of media files from iTunes, even when multiple users are accessing the NAS simultaneously.
    4. Scalability: The NAS supports expansion units, allowing you to easily increase the storage capacity as your iTunes library grows. This scalability feature ensures that you can accommodate your media collection without any limitations.
    5. Comprehensive backup solutions: QNAP NAS devices come with various backup options, including Apple Time Machine support. This allows you to back up your iTunes library and other data on Mac computers directly to the NAS. Additionally, the NAS supports remote replication, cloud backup, and snapshot features for enhanced data protection.
    6. Multimedia streaming capabilities: The QNAP VS-12148U-RP Pro supports DLNA, AirPlay, and Plex media server, enabling seamless streaming of media content from your iTunes library to various devices such as smart TVs, media players, and mobile devices. This ensures easy access to your media files from any compatible device within your network.
    7. Advanced security features: The NAS offers comprehensive security measures, including AES 256-bit encryption, IP blocking, and antivirus protection, ensuring the safety and privacy of your iTunes library and other data.

    Overall, the QNAP VS-12148U-RP Pro provides a robust and reliable solution for supporting iTunes, offering ample storage capacity, data protection, high-performance hardware, scalability, comprehensive backup options, multimedia streaming capabilities, and advanced security features.

  • How does QNAP VS-12148U-RP Pro ensure smooth and uninterrupted streaming of iTunes media content?

    The QNAP VS-12148U-RP Pro ensures smooth and uninterrupted streaming of iTunes media content through several features and capabilities:

    1. High-performance Hardware: The VS-12148U-RP Pro is equipped with a powerful Intel Xeon processor and up to 128 GB RAM, providing sufficient processing power to handle multiple streaming sessions simultaneously.
    2. RAID Protection: The NAS supports various RAID configurations, including RAID 0, 1, 5, 6, 10, 50, and 60, which offer data redundancy and protection against drive failures. This ensures that even if a drive fails, the media content remains accessible without interruptions.
    3. Network Bandwidth Management: The QNAP NAS includes advanced network bandwidth management features, allowing users to prioritize network traffic for streaming applications like iTunes. This ensures that sufficient bandwidth is allocated to streaming, preventing buffering or interruptions.
    4. Multiple Streaming Protocols: The VS-12148U-RP Pro supports multiple streaming protocols, including DLNA, AirPlay, and Chromecast, allowing seamless streaming of iTunes media content to various devices such as smart TVs, media players, and mobile devices.
    5. Transcoding Capabilities: The NAS supports hardware-accelerated video transcoding, enabling on-the-fly conversion of media files to different formats and resolutions. This ensures compatibility with different devices and network conditions, delivering smooth playback of iTunes media content.
    6. App Ecosystem: QNAP NAS devices have an extensive app ecosystem, including iTunes Server, Plex Media Server, and other media streaming applications. These apps optimize the streaming experience, providing additional features like media organization, metadata retrieval, and remote access.
    7. Scalability: The VS-12148U-RP Pro is scalable, allowing users to expand storage capacity as their media library grows. This ensures that there is always sufficient space to store and stream iTunes media content without interruptions.

    Overall, the combination of powerful hardware, RAID protection, network bandwidth management, transcoding capabilities, and a rich app ecosystem ensures that the QNAP VS-12148U-RP Pro delivers smooth and uninterrupted streaming of iTunes media content.

  • Can QNAP VS-12148U-RP Pro support multiple iTunes libraries and provide centralized management for media files across multiple devices?

    Yes, the QNAP VS-12148U-RP Pro can support multiple iTunes libraries and provide centralized management for media files across multiple devices. It is equipped with a powerful Intel Xeon processor and has a large storage capacity, allowing you to store and manage multiple iTunes libraries. Additionally, the QNAP NAS operating system, QTS, provides a user-friendly interface for managing media files, including music, videos, and photos, across multiple devices. You can access and stream your media files from various devices such as computers, smartphones, and smart TVs using the QNAP mobile apps or DLNA/UPnP protocols.

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