RAID Array Recovery from NAS Buffalo TeraStation WS5600DN2406S2: Comprehensive Data Recovery Guide

Has your NAS Buffalo TeraStation WS5600DN2406S2 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?

RAID Array Recovery from NAS Buffalo TeraStation WS5600DN2406S2: Comprehensive Data Recovery Guide

Buffalo TeraStation WS5600DN2406S2 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 TeraStation WS5600DN2406S2. We’ll walk through the most common causes of failure and demonstrate proven methods to restore files from a lost or degraded RAID array.

RAID Array Recovery from NAS Buffalo TeraStation WS5600DN2406S2: Comprehensive Data Recovery Guide

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 Buffalo 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.

Can improper configuration of network settings or IP addresses result in data loss on NAS Buffalo TeraStation WS5600DN2406S2 devices?

Yes, improper configuration of network settings or IP addresses can potentially result in data loss on NAS Buffalo TeraStation WS5600DN2406S2 devices.

If the network settings or IP addresses are not properly configured, it can lead to connectivity issues between the NAS device and the network. This can result in the NAS becoming inaccessible or not being able to communicate with other devices on the network.

In such cases, data stored on the NAS may become inaccessible or corrupted, leading to potential data loss. It is important to ensure that the network settings and IP addresses are correctly configured to avoid such issues and to maintain proper connectivity and data integrity.

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

Although the NAS TeraStation WS5600DN2406S2 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 Buffalo TeraStation WS5600DN2406S2. 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 Buffalo

How to recover data from a Buffalo

TeraStation WS5600DN2406S2 has 4 HDD slots, and it supports the following array types:

  • RAID 0;
  • RAID 1;
  • RAID 5;
  • RAID 6;
  • 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 Buffalo TeraStation WS5600DN2406S2 network-attached storage keeps Windows Storage Server 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 TeraStation WS5600DN2406S2, feel free to leave a comment!
  • Dale Storm
    Dale Storm 31.08.2023 16:46 #
    Can data recovery from a NAS Buffalo TeraStation WS5600DN2406S2 device be performed if there are issues with the storage drive or media errors?
    • Hetman Software
      Hetman Software 31.08.2023 16:59 #

      Yes, data recovery can be performed on a NAS Buffalo TeraStation WS5600DN2406S2 device even if there are issues with the storage drive or media errors. However, it is important to note that data recovery from a NAS device can be complex and may require the assistance of a professional data recovery service.

      If there are issues with the storage drive, such as physical damage or mechanical failure, the drive may need to be repaired or replaced before data recovery can be attempted. In some cases, the data recovery service may need to use specialized equipment and techniques to recover the data.

      If there are media errors, such as file system corruption or bad sectors on the drive, data recovery software or tools can be used to attempt to recover the data. These tools can help to repair the file system or recover data from the damaged sectors.

      It is recommended to contact a professional data recovery service with experience in NAS devices to assess the situation and determine the best course of action for data recovery. They will have the expertise and tools necessary to recover data from a NAS Buffalo TeraStation WS5600DN2406S2 device, even in the presence of storage drive or media errors.

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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 steps involved in setting up the NAS Buffalo TeraStation WS5600DN2406S2 for connection to a home network?

    To set up the NAS Buffalo TeraStation WS5600DN2406S2 for connection to a home network, follow these steps:

    1. Unpack the TeraStation and connect it to a power source using the provided power cable.
    2. Connect the TeraStation to your home network using an Ethernet cable. Plug one end of the cable into the LAN port on the back of the TeraStation and the other end into an available LAN port on your router or switch.
    3. Power on the TeraStation by pressing the power button located on the front panel.
    4. Wait for the TeraStation to boot up. The power LED on the front panel should turn solid blue.
    5. On a computer connected to the same network, open a web browser and enter the default IP address of the TeraStation (usually 192.168.11.150) into the address bar.
    6. Press Enter to access the TeraStation's web-based configuration interface.
    7. The first time you access the web interface, you will be prompted to set an admin password. Follow the on-screen instructions to set a strong password and click Save.
    8. Once logged in, you will be presented with the TeraStation's dashboard. From here, you can configure various settings and create shared folders for network access.
    9. To create shared folders, navigate to the "Shared Folders" section in the dashboard and click on "Create." Follow the prompts to specify the folder name, permissions, and other settings.
    10. If desired, you can also configure user accounts and access rights to manage who can access the shared folders.
    11. After setting up the shared folders, you can map them as network drives on your computer for easy access. To do this, right-click on "This PC" (or "My Computer") on your Windows computer, select "Map network drive," and follow the prompts to assign a drive letter and specify the folder path (e.g., TeraStationSharedFolder).
    12. Repeat the mapping process for each shared folder you want to access.
    13. You can now access the TeraStation and its shared folders from any computer or device connected to your home network.

    Note: The above steps are a general guideline, and the specific steps may vary slightly depending on the firmware version of the TeraStation and your network configuration. It is recommended to consult the user manual or Buffalo's support documentation for detailed instructions specific to your model.

  • What are the advantages of using the NAS Buffalo TeraStation WS5600DN2406S2 for home network storage and backup needs?

    The NAS Buffalo TeraStation WS5600DN2406S2 offers several advantages for home network storage and backup needs:

    1. High storage capacity: It comes with a storage capacity of 24TB, providing ample space to store large amounts of data including documents, photos, videos, and music.
    2. RAID support: The NAS supports various RAID configurations (0, 1, 5, 6, 10, 50, and 51), allowing you to customize the level of data redundancy and protection. This ensures that your data remains safe even if a hard drive fails.
    3. Data backup: The TeraStation WS5600DN2406S2 offers multiple backup options, including scheduled backups, real-time replication, and cloud backup integration. You can easily create backup copies of your important files and store them in different locations for added security.
    4. High-speed data transfer: With its dual 10GbE ports, the NAS provides fast data transfer speeds, enabling quick access to your files and efficient backup operations.
    5. Easy setup and management: The TeraStation WS5600DN2406S2 is designed with a user-friendly interface, making it easy to set up and manage. It offers a web-based management console that allows you to configure settings, monitor performance, and access files remotely.
    6. Data protection features: The NAS includes features like AES 256-bit encryption, which ensures that your data remains secure. It also supports Active Directory integration, enabling centralized user and group management for enhanced security.
    7. Media streaming capabilities: The TeraStation WS5600DN2406S2 supports DLNA and Plex media servers, allowing you to stream media content directly to compatible devices such as smart TVs, gaming consoles, and mobile devices.
    8. Expandability: The NAS offers scalability options, allowing you to expand storage capacity by adding additional drives or connecting external storage devices via USB or eSATA ports.

    Overall, the NAS Buffalo TeraStation WS5600DN2406S2 provides a reliable and feature-rich solution for home network storage and backup needs, offering high storage capacity, data protection, fast data transfer speeds, and easy management.

  • Are there any specific network requirements or compatibility issues to consider when connecting the NAS Buffalo TeraStation WS5600DN2406S2 to a home network?

    When connecting the NAS Buffalo TeraStation WS5600DN2406S2 to a home network, there are a few network requirements and compatibility issues to consider:

    1. Network Speed: The TeraStation WS5600DN2406S2 supports Gigabit Ethernet, so your home network should have Gigabit-capable routers, switches, and network cables to take full advantage of its speed.
    2. Network Protocols: The TeraStation supports various network protocols like TCP/IP, SMB, AFP, FTP, etc. Ensure that your home network supports these protocols to ensure seamless connectivity and file sharing.
    3. IP Addressing: The TeraStation can obtain an IP address automatically via DHCP or can be manually assigned a static IP address. Make sure your home network's DHCP server is enabled and has available IP addresses to assign to the TeraStation.
    4. Network Security: To protect your data and ensure secure access, it is recommended to use secure network protocols like HTTPS, FTPS, or SFTP when accessing the TeraStation remotely. Ensure that your home network supports these secure protocols and has proper firewall settings.
    5. Compatibility with Operating Systems: The TeraStation supports various operating systems like Windows, macOS, and Linux. Ensure that your home network has devices running compatible operating systems to access and interact with the TeraStation seamlessly.
    6. Firmware Updates: It is essential to keep the TeraStation's firmware up to date to ensure compatibility with the latest network technologies and security patches. Check Buffalo's website regularly for firmware updates and follow the instructions to keep the device updated.

    By considering these network requirements and compatibility issues, you can ensure a smooth and hassle-free integration of the TeraStation WS5600DN2406S2 into your home network.