NAS Digiever DS-8456-SRM Pro+ Data Recovery: Tips for Handling RAID Arrays

Has your NAS Digiever DS-8456-SRM Pro+ suddenly lost its network drive and you’re unsure what to do next? Did the RAID array collapse, making your files inaccessible? Is the device throwing errors during startup? Perhaps you accidentally rebuilt the RAID array or several hard drives failed at the same time?

NAS Digiever DS-8456-SRM Pro+ Data Recovery: Tips for Handling RAID Arrays
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Digiever DS-8456-SRM Pro+ NAS Data Recovery in 2025

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from an DS-8456-SRM Pro+. We’ll walk through the most common causes of failure and demonstrate proven methods to restore files from a lost or degraded RAID array.

NAS Digiever DS-8456-SRM Pro+ Data Recovery: Tips for Handling RAID Arrays

RAID Recovery™ 2.8
Recover data from damaged RAID arrays inaccessible from a computer.
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Why Regular Data Recovery Tools Can’t Restore Files from RAID

Conventional hard drives store user data by writing it sequentially across the disk surface, which means an entire file is typically located on a single drive. In contrast, when data is written to a RAID array, each file is split into multiple fragments. These fragments are then distributed and written in sequence across all the drives in the array. Depending on the configuration, fragment sizes can range from 2 KB to 2 MB, so every file is physically stored across several disks at once.

This approach significantly increases read and write performance — after all, writing two halves of a 1 GB file to two drives simultaneously is much faster than writing the full 1 GB to a single disk. However, this same mechanism makes file recovery far more complex.

Different RAID levels use different methods to distribute and protect data. On top of that, manufacturers like Digiever often add their own proprietary structures and variations. As a result, data can be written to disks in many different formats, and each requires a specific approach during recovery.

Are there any compatibility issues that can result in data loss for NAS Digiever DS-8456-SRM Pro+ devices?

There can be various compatibility issues that may result in data loss for NAS Digiever DS-8456-SRM Pro+ devices. Some potential issues include:

  1. Incompatible hard drives: Using incompatible or unsupported hard drives in the NAS device can lead to data loss. It is important to ensure that the hard drives are compatible with the NAS model and have been tested and approved by Digiever.
  2. Firmware compatibility: Outdated or incompatible firmware versions can cause issues with the NAS device, potentially leading to data loss. It is important to keep the firmware up to date and ensure compatibility with the device.
  3. Network compatibility: If there are any network compatibility issues, such as incompatible network switches or routers, it can result in data loss or connectivity problems with the NAS device. Ensuring proper network compatibility is crucial for the smooth operation of the NAS.
  4. Power supply issues: Inadequate or unstable power supply can cause data loss or damage to the NAS device. It is important to use a stable power source and consider using a UPS (Uninterruptible Power Supply) to protect against power fluctuations or outages.
  5. Software compatibility: Incompatible or unsupported software applications or operating systems used to access the NAS can lead to data loss or corruption. It is important to ensure that the software being used is compatible with the NAS device.

To minimize the risk of data loss, it is recommended to regularly backup the data stored on the NAS device and follow best practices for NAS maintenance and configuration.

How to Remove Hard Disks from Your NAS and Connect Them to a PC

Although the NAS DS-8456-SRM Pro+ can be accessed over the network, you still need to remove its hard disks and connect them directly to a Windows PC. Only then can the recovery software properly scan and analyze the drives. Follow these steps:

  1. Power off the NAS and disconnect it from the power source.

    WARNING! Before removing any drives, carefully read the device manual. Improper actions may damage both the NAS enclosure and the hard disks in the RAID array.

  2. Remove the hard disks one by one, gently sliding each drive out of its slot. Remember that hard disks are highly sensitive: any impact or drop can cause serious physical damage.

  3. Label each hard disk according to its position inside the NAS. The order of the drives is crucial for correct RAID reconstruction.

  4. Connect the drives to your computer. In this video, we explain which ports you can use to connect hard disks and what to do if your PC does not have enough free connectors.

    Go to view
    How to Order Remote Data Recovery

    How to Order Remote Data Recovery

Step-by-Step Data Recovery with Hetman RAID Recovery

Hetman Raid Recovery

This program restores data from damaged RAID arrays and is fully compatible with Digiever DS-8456-SRM Pro+. Each hard disk in the array contains technical metadata describing how files were written. When launched, Hetman RAID Recovery analyzes this metadata, automatically reconstructs the damaged array, and provides access to its contents. After that, you can browse the recovered disk and save your files. The program can also restore files that were accidentally deleted from the network drive.

Go to view
How to recover data from a Digiever

How to recover data from a Digiever

DS-8456-SRM Pro+ has 8 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 5;
  • RAID 6;
  • RAID 50;
  • RAID 60;
  • JBOD;

NAS supports:

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

How to Safely Recover Data from Disk Images

This utility allows you to create a complete copy of a disk and work with the disk image instead of the physical drive. This approach helps protect your data from:

  • Overwriting during the recovery process;
  • Additional data loss caused by bad sectors;
  • User errors.

To create a disk image, follow these steps:

  1. Ensure you have enough free space to store the image. Its size will typically match the size of the original disk.

  2. In the main window, select the target disk and choose Tools - Save Disk. You can also select multiple disks if needed.

  3. When the Image Creation Wizard opens, select whether you want to save the entire disk or only a specific region. Adjust the settings and click Next.

    Hetman RAID Recovery: Image Creation Wizard

  4. Choose the directory where the image will be saved. You may select any available disk connected to your PC or upload the image via FTP.

    Hetman RAID Recovery: Choose a disk or save the image via FTP

Where Are the User’s Files Actually Stored?

The Digiever DS-8456-SRM Pro+ 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.

RAID Recovery Software: Detailed Comparison

Product Operating system RAID controller support Supported file systems Virtual RAID controller support Data recovery from damaged RAID File preview
Hetman RAID Recovery Windows, Linux, MacOS Yes, over 100 controllers FAT, exFAT, NTFS, ReFS, APFS, HFS+, Ext4, Ext3, Ext2, ReiserFS, Btrfs, VMFS, Hikvision, XFS, UFS, ZFS Yes Yes Yes
DiskInternals RAID Recovery Windows Yes, over 10 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
R-Studio Windows, Mac, Linux Yes, over 20 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
UFS Explorer RAID Recovery Windows, Mac, Linux Yes, over 100 controllers FAT, NTFS, Ext2/3/4, HFS+ Yes Yes Yes
EaseUS Data Recovery Windows Yes, over 20 controllers FAT, NTFS, Ext2/3/4, HFS+ No Yes Yes
ReclaiMe Free RAID Recovery Windows 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 DS-8456-SRM Pro+, feel free to leave a comment!
    Reply
  • Greg Wise
    Greg Wise 24.08.2023 04:53 #
    How to eject hard drives from NAS Digiever DS-8456-SRM Pro+ and connect them to Windows?
    Reply
    • Hetman Software
      Hetman Software 24.08.2023 06:00 #

      To eject hard drives from the Digiever DS-8456-SRM Pro+ NAS and connect them to Windows, follow these steps:

      1. Power off the Digiever NAS by pressing the power button located on the front panel.
      2. Once the NAS is powered off, disconnect the power cable from the back of the NAS.
      3. Open the front panel of the NAS by pulling it gently towards you.
      4. Locate the hard drive trays inside the NAS. These trays hold the hard drives.
      5. Each hard drive tray will have a latch or a lever. Push or pull the latch/lever to release the hard drive from the tray.
      6. Carefully slide the hard drive out of the tray.
      7. Repeat steps 5 and 6 for each hard drive you want to eject.
      8. Once all the hard drives are removed, close the front panel of the NAS.
      9. Connect the ejected hard drives to your Windows computer using appropriate SATA or USB connectors.
      10. Power on your Windows computer.
      11. Windows should automatically detect the connected hard drives and assign drive letters to them.
      12. Open File Explorer on your Windows computer to access the contents of the ejected hard drives.

      Note: Make sure to properly handle the hard drives and avoid any physical damage during the removal and connection process.

      Reply
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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 capabilities of the NAS Digiever DS-8456-SRM Pro+ that make it suitable for home network connections?

    The Digiever DS-8456-SRM Pro+ is a Network Attached Storage (NAS) device that offers several key features and capabilities, making it suitable for home network connections. These include:

    1. High storage capacity: The DS-8456-SRM Pro+ supports up to 8 hard drives, allowing for significant storage capacity. This is ideal for home users who require ample space to store their multimedia files, documents, and data backups.
    2. RAID support: The NAS supports various RAID configurations, including RAID 0, 1, 5, 6, and 10. This provides data redundancy and protection against drive failures, ensuring the safety of valuable data stored on the device.
    3. User-friendly interface: The device comes with an intuitive web-based interface that makes it easy to set up and manage. Home users can quickly configure settings, create user accounts, and access files remotely through a simple and user-friendly interface.
    4. Advanced data protection: The DS-8456-SRM Pro+ offers advanced data protection features such as snapshot technology, which allows users to take point-in-time backups of their data. In case of accidental deletion or data corruption, users can easily restore previous versions of files.
    5. Multimedia streaming capabilities: The NAS supports DLNA and UPnP protocols, enabling seamless streaming of multimedia content to various devices such as smart TVs, media players, and gaming consoles. This makes it a suitable choice for home users who want to access their media files from different devices within their network.
    6. Remote access and mobile apps: With the Digiever mobile apps (available for iOS and Android), users can access their NAS remotely from anywhere with an internet connection. This allows for convenient file management, backup, and sharing on the go.
    7. Expandability and scalability: The DS-8456-SRM Pro+ offers expansion options, allowing users to increase storage capacity by adding additional hard drives or connecting external storage devices. This scalability is beneficial for home users who may need to expand their storage needs in the future.

    Overall, the Digiever DS-8456-SRM Pro+ combines high storage capacity, data protection features, user-friendly interface, and multimedia streaming capabilities, making it a suitable choice for home network connections.

  • Can you provide step-by-step instructions on how to set up the NAS Digiever DS-8456-SRM Pro+ for connection to a home network?

    Setting up the NAS Digiever DS-8456-SRM Pro+ for connection to a home network involves several steps. Here is a step-by-step guide to help you with the process:

    1. Unpack the NAS: Start by unpacking the Digiever DS-8456-SRM Pro+ NAS from its packaging and ensure that all the necessary components are included.
    2. Connect the NAS to Power: Plug the power adapter into the NAS and connect it to a power outlet.
    3. Connect the NAS to the Router: Use an Ethernet cable to connect one end to the LAN port on the back of the NAS and the other end to an available LAN port on your home router.
    4. Power on the NAS: Press the power button on the NAS to turn it on. Wait for the device to boot up completely.
    5. Configure Network Settings: Open a web browser on a computer connected to the same home network as the NAS. Enter the default IP address of the NAS (usually 192.168.1.100) into the address bar and press Enter.
    6. Login to the NAS: You will be prompted to enter a username and password. Use the default login credentials provided in the NAS documentation or on the device itself. It is recommended to change the password after the initial setup for security purposes.
    7. Configure Network Settings: Once logged in, navigate to the network settings section of the NAS administration interface. Here, you can set the IP address, subnet mask, and gateway to match your home network settings. You may also want to configure DNS settings if necessary.
    8. Set Up Shared Folders: Next, create shared folders on the NAS to store and access your files. This can usually be done in the file management or shared folder section of the administration interface. Assign appropriate permissions to the folders based on your requirements.
    9. Configure User Access: Create user accounts and assign access rights to the shared folders. This will allow you to control who can access and modify the files on the NAS.
    10. Enable Services: Enable the necessary services on the NAS, such as FTP, SMB, or NFS, depending on your requirements. These services will allow you to access the NAS and its shared folders from other devices on your home network.
    11. Test Connectivity: After completing the configuration, test the connectivity by accessing the NAS from a computer or other devices on the same network. You should be able to access the shared folders and perform file operations.

    That's it! You have successfully set up the NAS Digiever DS-8456-SRM Pro+ for connection to your home network. Remember to regularly update the firmware and backup your data to ensure smooth and secure operation.

  • Are there any specific network requirements or compatibility considerations that need to be taken into account when connecting the NAS Digiever DS-8456-SRM Pro+ to a home network?

    Yes, there are several network requirements and compatibility considerations to take into account when connecting the NAS Digiever DS-8456-SRM Pro+ to a home network. Here are a few important ones:

    1. Network Speed: The NAS requires a high-speed network connection to ensure smooth data transfer and access. It is recommended to have at least a Gigabit Ethernet connection (1 Gbps) for optimal performance.
    2. Network Protocol: The NAS supports various network protocols such as TCP/IP, DHCP, and FTP. Ensure that your home network is compatible with these protocols to establish a connection.
    3. Network Security: To protect your data and ensure secure access, it is recommended to have a secure network setup. This includes using encryption protocols like WPA2 for Wi-Fi networks and configuring firewall settings to allow access to the NAS.
    4. Network Storage Compatibility: The NAS supports different storage configurations, including SATA hard drives and SSDs. Ensure that your home network has compatible storage devices to connect to the NAS.
    5. Network Configuration: Proper network configuration is crucial for seamless connectivity. Make sure to assign a unique IP address to the NAS and configure network settings such as subnet mask and gateway to match your home network.
    6. Compatibility with Network Devices: Check the compatibility of the NAS with other network devices such as routers, switches, and network adapters. Ensure that they support the required network standards and protocols to establish a connection.

    It is always advisable to consult the user manual or contact the manufacturer's support for detailed network requirements and compatibility considerations specific to the Digiever DS-8456-SRM Pro+ NAS.
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