NAS Digiever DS-85104-SRM Pro+ Data Recovery: Proven RAID Array Tips

Has your NAS Digiever DS-85104-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-85104-SRM Pro+ Data Recovery: Proven RAID Array Tips
Data Recovery Tool

Digiever DS-85104-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-85104-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-85104-SRM Pro+ Data Recovery: Proven RAID Array Tips

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 precautions to take while replacing or upgrading hard drives in NAS Digiever DS-85104-SRM Pro+ devices?

Yes, there are several precautions to take while replacing or upgrading hard drives in NAS Digiever DS-85104-SRM Pro+ devices. Here are a few important ones:

  1. Backup your data: Before replacing or upgrading the hard drives, it is crucial to backup all your data to ensure no data loss occurs during the process. This can be done by transferring the data to an external storage device or using a cloud backup solution.
  2. Power off the device: Make sure to power off the Digiever DS-85104-SRM Pro+ device before replacing or upgrading the hard drives. This will prevent any damage to the system or data loss.
  3. Use compatible hard drives: Ensure that the replacement or upgraded hard drives are compatible with the Digiever DS-85104-SRM Pro+ device. Refer to the manufacturer's documentation or contact their support for a list of compatible drives.
  4. Follow manufacturer's instructions: Carefully follow the instructions provided by Digiever for replacing or upgrading hard drives. These instructions may include specific steps, tools, or precautions to ensure a successful installation.
  5. Handle drives with care: Hard drives are sensitive electronic devices, so handle them with care to avoid any physical damage. Avoid dropping or mishandling the drives during the replacement process.
  6. Label and organize cables: Before removing any cables connected to the hard drives, label them or take pictures to ensure proper reconnection later. This will help avoid confusion and ensure all connections are correctly reestablished.
  7. Check RAID configuration: If your Digiever DS-85104-SRM Pro+ device is using RAID configuration, make sure to note down the RAID settings and configurations before replacing or upgrading the hard drives. This information will be needed to recreate the RAID setup after the installation.
  8. Test the new drives: After replacing or upgrading the hard drives, it is advisable to test the new drives before restoring the data. This can be done by running diagnostics or performing a test to ensure the drives are functioning properly.

Remember, if you are unsure about any step or lack technical expertise, it is recommended to seek professional assistance or consult Digiever's support team for guidance.

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

Although the NAS DS-85104-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-85104-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-85104-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-85104-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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We will be happy to answer your questions!

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-85104-SRM Pro+, feel free to leave a comment!
    Reply
  • Jedediah Newdigate
    Jedediah Newdigate 24.08.2023 03:56 #
    Are there any specific error codes or messages that may indicate the need for data recovery from a NAS Digiever DS-85104-SRM Pro+ device?
    Reply
    • Hetman Software
      Hetman Software 24.08.2023 05:00 #

      There are several error codes or messages that may indicate the need for data recovery from a NAS Digiever DS-85104-SRM Pro+ device. Some common ones include:

      1. Disk failure or SMART error: This error message indicates that one or more disks in the NAS device have failed or are experiencing issues. It could be due to physical damage, bad sectors, or other disk-related problems. Data recovery may be necessary if the failed disk contains important data.
      2. RAID array degradation or rebuild failure: If the NAS device is configured with RAID, you may encounter messages indicating RAID array degradation or rebuild failure. This means that the redundancy of the RAID array has been compromised, and data may be at risk. In such cases, data recovery may be required to restore the lost or inaccessible data.
      3. File system corruption: If the file system on the NAS device becomes corrupted, you may encounter error messages indicating file system errors. This can happen due to sudden power loss, improper shutdown, or other factors. Data recovery may be necessary to recover the files and folders from the corrupted file system.
      4. Inaccessible or missing data: If you are unable to access certain files or folders on the NAS device or if data seems to be missing, it could indicate data corruption or accidental deletion. In such cases, data recovery tools or services may be required to recover the lost or inaccessible data.
      5. Hardware or firmware malfunction: If the NAS device experiences hardware or firmware malfunctions, it may display error codes or messages indicating the issue. These malfunctions can lead to data loss or inaccessibility, requiring data recovery to retrieve the data.

      If you encounter any of these error codes or messages on your Digiever DS-85104-SRM Pro+ NAS device, it is recommended to contact a professional data recovery service for assistance. They will have the expertise and tools necessary to recover your data safely.

      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-85104-SRM Pro+ that make it suitable for internet access?

    The key features and capabilities of the NAS Digiever DS-85104-SRM Pro+ that make it suitable for internet access are:

    1. High-speed data transfer: The DS-85104-SRM Pro+ is equipped with a powerful processor and ample memory, allowing for fast data transfer speeds. This ensures smooth access to files and data over the internet.
    2. Remote access: The NAS supports remote access, enabling users to access their files and data from anywhere with an internet connection. This is particularly useful for users who need to work or access their files while on the go.
    3. Web-based interface: The DS-85104-SRM Pro+ comes with a user-friendly web-based interface that allows users to easily manage their files, configure settings, and monitor the NAS remotely. This interface can be accessed via a web browser from any device with internet access.
    4. Secure data transmission: The NAS supports various security features such as HTTPS, SSL/TLS encryption, and IP blocking, ensuring secure data transmission over the internet. This protects sensitive data from unauthorized access or interception.
    5. Cloud integration: The DS-85104-SRM Pro+ offers seamless integration with popular cloud storage services such as Dropbox, Google Drive, and Microsoft OneDrive. This allows users to easily back up or synchronize their data with these cloud platforms, providing additional accessibility and redundancy.
    6. Mobile apps: Digiever provides mobile apps for iOS and Android devices, allowing users to access their NAS and data on the go. These apps provide a user-friendly interface and enable users to stream media, view documents, and perform various NAS management tasks from their mobile devices.
    7. Multi-user access: The NAS supports multiple user accounts with customizable access permissions. This enables businesses or households to provide secure and controlled access to different users, ensuring that only authorized individuals can access specific files or folders.
    8. Expandable storage capacity: The DS-85104-SRM Pro+ supports multiple hard drives and offers scalability options, allowing users to expand the storage capacity as their needs grow. This ensures that users can store and access a large amount of data over the internet without worrying about storage limitations.

    Overall, the NAS Digiever DS-85104-SRM Pro+ combines high-speed data transfer, remote access capabilities, secure transmission, and user-friendly interfaces to provide a reliable and convenient solution for internet access to files and data.

  • How does the NAS Digiever DS-85104-SRM Pro+ ensure secure and reliable internet access for businesses?

    The NAS Digiever DS-85104-SRM Pro+ ensures secure and reliable internet access for businesses through several features and functionalities:

    1. VPN Support: It supports Virtual Private Network (VPN) technology, which allows businesses to establish a secure connection between remote locations and the main office. This ensures that data transmitted over the internet is encrypted and protected from unauthorized access.
    2. Firewall Protection: The device includes a built-in firewall that acts as a barrier between the internal network and the external internet. It monitors and filters incoming and outgoing network traffic, preventing unauthorized access and protecting against potential threats.
    3. Traffic Management: The NAS Digiever DS-85104-SRM Pro+ offers advanced traffic management capabilities. It allows businesses to prioritize certain types of network traffic, ensuring that critical applications and services receive sufficient bandwidth and resources for optimal performance.
    4. Bandwidth Control: With its bandwidth control feature, businesses can allocate and limit the amount of bandwidth used by specific devices or applications. This ensures that bandwidth-intensive activities do not monopolize the network, leading to a more reliable and consistent internet experience for all users.
    5. Content Filtering: The device supports content filtering, allowing businesses to block access to specific websites or categories of websites. This helps enforce acceptable use policies, prevent employees from accessing potentially harmful or non-work-related content, and reduce the risk of malware infections.
    6. Redundancy and Failover: The NAS Digiever DS-85104-SRM Pro+ supports multiple internet connections and provides failover capabilities. If one internet connection fails, it automatically switches to an alternative connection, ensuring uninterrupted internet access for critical business operations.
    7. Secure Remote Access: Businesses can securely access their network resources and surveillance systems remotely using encrypted protocols such as HTTPS and SSL. This enables authorized users to monitor and manage their systems from anywhere while maintaining the confidentiality of data transmitted over the internet.

    Overall, the NAS Digiever DS-85104-SRM Pro+ combines various security features, traffic management capabilities, and redundancy options to ensure secure and reliable internet access for businesses, protecting their network infrastructure and data from potential threats.

  • Can you provide examples of how businesses have utilized the NAS Digiever DS-85104-SRM Pro+ for internet access and the benefits they have experienced?

    The NAS Digiever DS-85104-SRM Pro+ is primarily a network-attached storage device designed for surveillance purposes rather than internet access. However, businesses can indirectly benefit from this device in terms of network management and data storage. Here are a few examples:

    1. Surveillance Integration: The Digiever DS-85104-SRM Pro+ allows businesses to connect and manage multiple IP cameras for surveillance purposes. By utilizing this device, businesses can ensure the security of their premises, monitor employee activities, and deter potential theft or vandalism.
    2. Centralized Data Storage: This NAS device offers extensive storage capacity, allowing businesses to store and manage large amounts of surveillance footage. The centralized storage system simplifies data management and retrieval, ensuring that critical footage is readily available when needed.
    3. Remote Access and Monitoring: With the Digiever DS-85104-SRM Pro+, businesses can access their surveillance footage remotely from any location with an internet connection. This feature enables business owners or security personnel to monitor their premises in real-time, even when they are away.
    4. Scalability and Flexibility: The Digiever DS-85104-SRM Pro+ is scalable, meaning it can accommodate additional IP cameras as a business grows. This flexibility allows businesses to expand their surveillance system without the need for significant hardware upgrades or replacements.
    5. Advanced Analytics and Search Capabilities: The NAS device offers advanced analytics features, such as motion detection, object counting, and people counting. These capabilities can provide valuable insights to businesses, helping them optimize their operations, enhance customer experiences, and improve security.

    While the Digiever DS-85104-SRM Pro+ does not directly provide internet access, it offers businesses a comprehensive surveillance solution with robust storage capabilities, remote monitoring, and advanced analytics.
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