How to Prevent Data Loss on NAS D-Link DNS-6040 and Retrieve Lost Files

Implement ⭐ NAS RAID configurations to recover deleted files and avoid data loss.

How to Prevent Data Loss on NAS D-Link DNS-6040 and Retrieve Lost Files

D-Link DNS-6040 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from DNS-6040.

How to Prevent Data Loss on NAS D-Link DNS-6040 and Retrieve Lost Files

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 D-Link 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 D-Link DNS-6040 devices?

Yes, natural disasters such as floods or fires can potentially result in data loss for NAS (Network Attached Storage) devices like the D-Link DNS-6040. NAS devices are physical hardware units that store and manage data, so 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. Similarly, fires can destroy the NAS device, making data recovery difficult or impossible.

To mitigate the risk of data loss in such situations, it is recommended to implement proper disaster recovery and backup strategies. This involves regularly backing up the data stored on the NAS device to an off-site location or cloud storage. By keeping backups in a separate location, the risk of losing all data in the event of a natural disaster is significantly reduced.

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

Although NAS DNS-6040 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 D-Link DNS-6040. 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 D-Link

How to recover data from a D-Link

DNS-6040 has 4 HDD slots, and it supports the following array types:

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

NAS supports:

  • exFAT, VFAT, FAT 12 / 16 / 32;
  • NTFS / ReFS;
  • APFS / HFS+;
  • Ext2 / 3 / 4 / ReiserFS / XFS / UFS / ZFS / Btrfs;
  • VMFS / HikvisionFS;

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 D-Link DNS-6040 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 DNS-6040, feel free to leave a comment!
  • Grant Robinson
    Grant Robinson 12.09.2023 15:46 #
    Is it possible to recover data from a NAS D-Link DNS-6040 device that has been infected by malware or viruses?
    • Hetman Software
      Hetman Software 12.09.2023 15:59 #

      Yes, it is possible to recover data from a NAS device that has been infected by malware or viruses. However, the process can be complex and may require technical expertise. Here are some general steps you can take:

      1. Disconnect the infected NAS device from the network to prevent further spread of the malware.
      2. Consult with a professional IT expert or a data recovery specialist who has experience with NAS devices and malware infections.
      3. If possible, make a backup of the infected NAS device before attempting any recovery. This will help ensure that you have a copy of the data in case something goes wrong during the recovery process.
      4. Depending on the severity of the infection, you may need to reformat or reinstall the operating system on the NAS device. This will remove the malware but also erase any stored data.
      5. Once the NAS device is clean, you can attempt to recover the data from the backup or use specialized data recovery software or services to retrieve the files.
      6. It's important to note that the success of data recovery depends on various factors such as the extent of the infection, the type of malware, and the condition of the data on the NAS device.

      Remember to regularly update your NAS device's firmware and antivirus software to minimize the risk of future 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 main features and benefits of the D-Link DNS-6040 NAS device for home network connections?

    The D-Link DNS-6040 NAS (Network Attached Storage) device offers several features and benefits for home network connections. Some of the main features and benefits include:

    1. Storage and Backup: The DNS-6040 provides a centralized storage solution for all your digital files, allowing you to easily access and share them across your home network. It offers multiple drive bays, allowing you to expand the storage capacity as per your needs. The device also supports various RAID configurations for data redundancy and protection.
    2. Media Streaming: The NAS device supports media streaming, allowing you to stream your music, videos, and photos to various devices in your home network, such as smart TVs, gaming consoles, and mobile devices. It eliminates the need for storing media files on individual devices, freeing up storage space.
    3. Remote Access and File Sharing: With the DNS-6040, you can access your files remotely from anywhere using the internet. It provides secure remote access, allowing you to download, upload, and share files with others. This feature is particularly useful when you are away from home and need to access important files.
    4. Easy Setup and Configuration: The device is designed to be user-friendly, with a simple setup process and intuitive web-based interface. It allows you to easily configure various settings, such as user access permissions, network protocols, and security features.
    5. Data Protection and Security: The DNS-6040 offers various security features to protect your data. It supports encryption protocols, such as SSL/TLS, ensuring secure communication between the device and connected devices. Additionally, it provides backup options, including scheduled backups and cloud backup integration, ensuring your data is protected against loss or damage.
    6. Expandability and Compatibility: The NAS device is compatible with various operating systems, including Windows, macOS, and Linux. It also supports a wide range of third-party applications and services, allowing you to expand its functionality as per your requirements.

    Overall, the D-Link DNS-6040 NAS device provides a reliable and versatile storage solution for home networks. It offers easy file sharing, media streaming, remote access, and data protection features, making it an ideal choice for individuals and families looking to centralize their digital files and enhance their home network capabilities.

  • How does the D-Link DNS-6040 NAS device ensure secure and reliable data storage and access within a home network?

    The D-Link DNS-6040 NAS device ensures secure and reliable data storage and access within a home network through several mechanisms:

    1. User authentication: The device supports user authentication, requiring users to enter a username and password to access the stored data. This helps prevent unauthorized access to the NAS device.
    2. Access control: The NAS device allows the administrator to set access controls and permissions for different users or groups. This ensures that only authorized individuals can access specific files or folders, adding an extra layer of security.
    3. Data encryption: The DNS-6040 NAS device supports data encryption, allowing users to encrypt their sensitive data stored on the device. This ensures that even if the physical device is compromised, the data remains secure.
    4. RAID technology: The device supports RAID (Redundant Array of Independent Disks) technology, which allows for data redundancy and increased reliability. By storing data across multiple hard drives, the NAS device can withstand drive failures without losing any data.
    5. Backup and synchronization: The DNS-6040 NAS device offers backup and synchronization capabilities, allowing users to automatically back up their important files or synchronize data across multiple devices. This ensures that data is protected and readily available in case of accidental deletion or device failure.
    6. Firewall and network security: The device may have built-in firewall features to protect against external threats. It may also support various network security protocols, such as VPN (Virtual Private Network), to establish secure connections between remote devices and the NAS device.
    7. Firmware updates: D-Link regularly releases firmware updates for its NAS devices to address any security vulnerabilities and improve overall performance. Keeping the device's firmware up to date ensures that security patches are applied and any potential issues are resolved.

    By combining these security measures, the D-Link DNS-6040 NAS device provides secure and reliable data storage and access within a home network, protecting sensitive information from unauthorized access and ensuring data integrity.

  • Can the D-Link DNS-6040 NAS device be easily integrated into an existing home network setup, and what steps are involved in setting it up for optimal performance?

    Yes, the D-Link DNS-6040 NAS device can be easily integrated into an existing home network setup. Here are the steps involved in setting it up for optimal performance:

    1. Connect the NAS device to your home network using an Ethernet cable.
    2. Power on the NAS device and wait for it to boot up.
    3. Install any necessary hard drives into the NAS device, following the manufacturer's instructions.
    4. Access the NAS device's web interface by entering its IP address into a web browser on a computer connected to the same network.
    5. Follow the on-screen instructions to set up the basic network settings, such as IP address, subnet mask, and gateway.
    6. Create user accounts and set up access permissions for different users if needed.
    7. Configure the network shares and folders on the NAS device, specifying access rights and permissions for each share.
    8. Enable any additional features or services provided by the NAS device, such as media streaming, cloud backup, or remote access.
    9. Set up scheduled backups or RAID configurations if desired.
    10. Test the performance of the NAS device by transferring files to and from it, and make any necessary adjustments to optimize performance, such as adjusting network settings or enabling link aggregation if supported.

    It's important to consult the user manual or documentation provided by D-Link for specific instructions related to the DNS-6040 NAS device.

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