How to recover data from Level One FNS-7000B 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 Level One FNS-7000B

Level One FNS-7000B NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from FNS-7000B.

How to recover data from NAS Level One FNS-7000B

Recover data from damaged RAID arrays inaccessible from a computer.

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 Level One 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 file system corruption impact data integrity on NAS Level One FNS-7000B devices?

File system corruption can have a significant impact on data integrity on NAS Level One FNS-7000B devices. Here are some ways it can affect data integrity:

  1. Data Loss: File system corruption can lead to the loss of data stored on the NAS device. This can occur if the corruption affects critical file system structures or if it causes files to become inaccessible or unreadable.
  2. Data Inconsistency: Corruption in the file system can result in data inconsistencies, where the stored data does not match its expected state. This can lead to errors, data corruption, or incorrect results when accessing or using the data.
  3. Unreliable Data Access: File system corruption can make it difficult or impossible to access data stored on the NAS device. This can result in data being unavailable or inaccessible, leading to disruptions in business operations or loss of productivity.
  4. Data Modification or Alteration: Corruption in the file system can cause unintended modifications or alterations to the stored data. This can result in data being modified, overwritten, or replaced with incorrect or nonsensical information.
  5. System Instability: File system corruption can lead to system instability, causing the NAS device to crash or become unresponsive. This can further exacerbate data integrity issues and make it challenging to recover or restore the affected data.

To mitigate the impact of file system corruption on data integrity, it is essential to regularly backup data, implement data redundancy measures, and use file system checking and repair tools provided by the NAS device manufacturer. Additionally, ensuring the NAS device is running the latest firmware and applying any relevant patches or updates can help prevent file system corruption and maintain data integrity.

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

Although NAS FNS-7000B 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 Level One FNS-7000B. 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.

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How to recover data from a Level One

How to recover data from a Level One

FNS-7000B has 4 HDD slots, and it supports the following array types:

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

NAS supports:

  • Ext2;
  • Ext3;
  • Ext4;

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 Level One FNS-7000B network-attached storage keeps OS Linux 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 FNS-7000B, feel free to leave a comment!
  • Byron Hanshaw
    Byron Hanshaw 9.09.2023 03:49 #
    How does data recovery from NAS Level One FNS-7000B differ from other storage devices?
    • Hetman Software
      Hetman Software 9.09.2023 04:59 #

      Data recovery from a NAS (Network Attached Storage) device like the Level One FNS-7000B can differ from other storage devices in a few ways:

      1. Network Connectivity: NAS devices are designed to be connected to a network and accessed by multiple users simultaneously. This means that the data recovery process may involve troubleshooting network connectivity issues, ensuring proper access permissions, and dealing with potential network-related problems.
      2. RAID Configuration: NAS devices often use RAID (Redundant Array of Independent Disks) configurations to enhance data storage and protection. The Level One FNS-7000B, for example, supports various RAID levels like RAID 0, 1, 5, 6, and 10. Data recovery from a NAS may require expertise in dealing with specific RAID configurations and recovering data from multiple disks.
      3. File Systems: NAS devices typically use file systems like NTFS, FAT, or ext4. The data recovery process may involve understanding and working with these file systems to retrieve lost or corrupted data.
      4. Specialized Tools and Software: Data recovery from a NAS may require specialized tools and software designed specifically for NAS devices. These tools help in identifying and recovering data from the NAS storage system, dealing with RAID configurations, and handling network-related issues.
      5. Remote Access: Since NAS devices are often accessed remotely over a network, data recovery may require remote access capabilities to diagnose and resolve issues. This can involve remotely connecting to the NAS device, troubleshooting, and performing recovery operations.

      It's important to note that data recovery from any storage device, including NAS devices, can be a complex and delicate process. It is generally recommended to seek professional assistance from data recovery experts who have experience with NAS devices and can ensure the safe retrieval of your data.

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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

  • Which operating systems are compatible with the NAS Level One FNS-7000B?

    The NAS Level One FNS-7000B is compatible with various operating systems, including:

    1. Windows: It supports Windows operating systems, such as Windows 7, Windows 8, Windows 10, and Windows Server editions like Windows Server 2008, 2012, 2016, and 2019.
    2. macOS: It is compatible with macOS versions, allowing Mac users to access and manage the NAS device.
    3. Linux: The NAS Level One FNS-7000B supports Linux distributions like Ubuntu, Fedora, CentOS, and others, enabling Linux users to utilize its features.
    4. Unix: It is compatible with Unix-based operating systems like FreeBSD, OpenBSD, and others.

    Additionally, it may also support other operating systems that have networking capabilities and support standard network protocols like SMB/CIFS, NFS, FTP, etc.

  • Can the NAS Level One FNS-7000B be used with Windows operating systems?

    Yes, the NAS Level One FNS-7000B can be used with Windows operating systems. It is compatible with various Windows versions, including Windows 7, Windows 8, and Windows 10.

  • Are there any specific operating system requirements for the NAS Level One FNS-7000B?

    The NAS Level One FNS-7000B is a network-attached storage device, and it does not have specific operating system requirements of its own.

    However, to access and manage the NAS, you will need a computer or device with a compatible operating system. The NAS typically supports various operating systems, including Windows, macOS, and Linux.

    You can connect to the NAS using a web browser or dedicated software provided by the manufacturer. The software may have specific compatibility requirements depending on the operating system you are using. It is recommended to check the manufacturer's website or user manual for specific compatibility information and software requirements.

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