How to Prevent Data Loss on NAS D-Link DNS-327L and Restore Recently Deleted Files

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

How to Prevent Data Loss on NAS D-Link DNS-327L and Restore Recently Deleted Files

D-Link DNS-327L 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-327L.

How to Prevent Data Loss on NAS D-Link DNS-327L and Restore Recently Deleted 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.

How can a NAS D-Link DNS-327L device's network throughput or bandwidth capacity affect data transfer and potential loss?

The network throughput or bandwidth capacity of a NAS (Network Attached Storage) device like the D-Link DNS-327L can significantly impact data transfer speed and potential loss. Here's how:

  1. Data Transfer Speed: The network throughput of a NAS device determines how quickly data can be transferred between the NAS and other devices on the network. If the NAS has a low network throughput, it will take longer to transfer files, especially large ones. This can lead to slower data backup, retrieval, or synchronization processes, affecting overall productivity.
  2. Latency and Response Time: Network throughput also affects the latency or response time of the NAS device. A high network throughput ensures that data requests are processed quickly, resulting in faster access to files and folders stored on the NAS. Conversely, a low throughput can increase latency, causing delays in retrieving or accessing files, which can be frustrating for users.
  3. Concurrent Users: The network throughput capacity of a NAS device determines how many users can access and transfer data simultaneously without experiencing performance degradation. If the NAS has limited bandwidth capacity, it may struggle to handle multiple users accessing or transferring data concurrently. This can result in slower transfer speeds, increased latency, and potential data loss due to timeouts or dropped connections.
  4. Data Loss and Corruption: Insufficient network throughput can lead to data loss or corruption during transfer. If the NAS device's bandwidth capacity is overwhelmed by the amount of data being transferred, packets may be dropped or corrupted. This can result in incomplete or damaged files, leading to data loss. Additionally, if the network connection is unstable due to limited throughput, interruptions or disconnections during data transfer can also cause data loss or corruption.

To mitigate these issues, it is important to ensure that the NAS device's network throughput matches the requirements of the network environment. Upgrading to a higher-capacity NAS or improving the network infrastructure (such as using Gigabit Ethernet connections) can enhance network throughput, resulting in faster and more reliable data transfers with reduced potential for data loss.

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

Although NAS DNS-327L 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-327L. 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-327L has 2 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • 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-327L 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-327L, feel free to leave a comment!
  • Dom Walters
    Dom Walters 12.09.2023 15:57 #
    Can data recovery from NAS D-Link DNS-327L be done by individuals or is professional assistance necessary?
    • Hetman Software
      Hetman Software 12.09.2023 17:00 #

      Data recovery from a NAS (Network Attached Storage) device like the D-Link DNS-327L can be done by individuals, but it may require some technical knowledge and expertise. Here are a few factors to consider:

      1. Level of expertise: If you have experience with data recovery, file systems, and NAS devices, you may be able to attempt the recovery yourself. However, if you are not familiar with these technologies, it is recommended to seek professional assistance to avoid further data loss or damage.
      2. Nature of the problem: The complexity of the data recovery process depends on the specific issue you are facing. If it's a simple file deletion or accidental formatting, you may be able to recover the data using readily available software tools. However, if the NAS device has suffered physical damage or a more severe failure, professional assistance is highly recommended.
      3. Risks involved: Attempting data recovery on your own without proper knowledge or tools can potentially worsen the situation and lead to permanent data loss. If the data on the NAS is critical or irreplaceable, it is safer to consult professionals who specialize in data recovery.

      In conclusion, while it is possible for individuals to attempt data recovery from a NAS device like the D-Link DNS-327L, it is advisable to seek professional assistance, especially for complex or critical data recovery scenarios.

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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

  • How can the NAS D-Link DNS-327L be used to copy data from different devices such as computers, smartphones, and tablets?

    The D-Link DNS-327L is a Network Attached Storage (NAS) device that allows you to store and access data from different devices on your network. To copy data from computers, smartphones, and tablets to the NAS, you can follow these steps:

    1. Connect the NAS to your home network: Plug in the NAS to a power source and connect it to your router using an Ethernet cable. Ensure that the NAS is powered on and connected to the network.
    2. Set up the NAS: Open a web browser on your computer and enter the IP address of the NAS (usually mentioned in the product manual or can be found using network scanning tools). Follow the on-screen instructions to set up the NAS, create user accounts, and configure storage options.
    3. Install NAS software on computers: Download and install the D-Link ShareCenter software on your computers from the D-Link website. This software allows you to easily access and manage the NAS.
    4. Access the NAS from computers: Open the installed ShareCenter software and add the NAS device to your account. You can then browse the NAS folders and copy files from your computer to the NAS by simply dragging and dropping or using the software's file transfer options.
    5. Access the NAS from smartphones and tablets: Install the D-Link mydlink Access-NAS app from the respective app stores on your smartphones and tablets. Launch the app and log in using your NAS account credentials. You can now browse and copy files between your mobile devices and the NAS.
    6. Use NAS sync features: Some NAS devices, including the DNS-327L, offer sync features that automatically copy files from specific folders on your computers, smartphones, or tablets to the NAS. Set up sync rules and specify the folders you want to sync, and the NAS will keep those folders up to date with the latest files.

    By following these steps, you can effectively copy data from different devices such as computers, smartphones, and tablets to the D-Link DNS-327L NAS.

  • What are the steps involved in setting up the NAS D-Link DNS-327L to copy data from multiple devices?

    To set up the NAS D-Link DNS-327L to copy data from multiple devices, follow these steps:

    1. Connect the NAS to your home network: Plug one end of an Ethernet cable into the NAS and the other end into your router or switch.
    2. Power on the NAS: Connect the power adapter to the NAS and plug it into a power outlet. Turn on the NAS using the power button.
    3. Access the NAS configuration page: Open a web browser on any device connected to the same network and enter the default IP address of the NAS (e.g., 192.168.0.32) in the address bar. Press Enter to access the NAS configuration page.
    4. Log in to the NAS: Enter the default username and password (usually admin/admin) to log in to the NAS configuration page.
    5. Set up user accounts: Create user accounts for each device that will access the NAS. This will allow you to control access and permissions for each device.
    6. Configure shared folders: Create shared folders on the NAS to store the data from multiple devices. Assign appropriate permissions to each shared folder to control who can access and modify the data.
    7. Enable file services: Enable the desired file services (e.g., SMB/CIFS, FTP, NFS) on the NAS to allow devices to connect and access the shared folders.
    8. Install NAS software on devices: Install the necessary software or apps on each device that will be used to copy data to the NAS. This software will provide a user interface to manage the file transfer process.
    9. Connect devices to the NAS: Launch the NAS software on each device and use the provided interface to connect to the NAS. Enter the NAS IP address, username, and password to establish a connection.
    10. Select and copy data: Once connected, you can browse the shared folders on the NAS from each device. Select the data you want to copy and initiate the transfer to the NAS using the software interface.
    11. Monitor and manage data transfers: Monitor the progress of data transfers and manage them as needed using the NAS software. You can pause, resume, or cancel transfers if required.

    By following these steps, you can set up the D-Link DNS-327L NAS to copy data from multiple devices over your network.

  • Can the NAS D-Link DNS-327L automatically synchronize data from different devices, ensuring that the latest versions are always available on the network storage?

    Yes, the NAS D-Link DNS-327L supports automatic data synchronization from different devices. It includes features like RAID 1 mirroring and remote replication, which ensure that the latest versions of files are always available on the network storage. This allows for real-time synchronization of data between devices connected to the NAS.

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