How to Recover Data from NAS Buffalo TeraStation TS6400DN0802: Advanced Step-by-Step RAID Array Guide

Our step-by-step guide helps you recover data from ⭐ NAS and restore RAID arrays effectively.

How to Recover Data from NAS Buffalo TeraStation TS6400DN0802: Advanced Step-by-Step RAID Array Guide

Buffalo TeraStation TS6400DN0802 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from TeraStation TS6400DN0802.

How to Recover Data from NAS Buffalo TeraStation TS6400DN0802: Advanced Step-by-Step RAID Array Guide

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 Buffalo 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 regular disk health monitoring and analysis help in preventing potential data loss on NAS Buffalo TeraStation TS6400DN0802 devices?

Regular disk health monitoring and analysis can help in preventing potential data loss on NAS Buffalo TeraStation TS6400DN0802 devices in the following ways:

  1. Early detection of disk failures: By regularly monitoring the health of the disks, you can identify any signs of potential failure such as bad sectors, high temperature, or abnormal noise. This early detection allows you to take necessary actions, such as replacing the failing disk, before it completely fails and causes data loss.
  2. RAID array maintenance: NAS devices like Buffalo TeraStation TS6400DN0802 typically use RAID configurations for data redundancy and protection. Monitoring disk health helps in identifying any issues with individual disks in the RAID array, allowing you to replace the faulty disk and rebuild the array to ensure data integrity.
  3. Predictive failure analysis: Some disk health monitoring tools provide predictive failure analysis, which uses various algorithms and statistical models to estimate the likelihood of a disk failure. By analyzing these predictions, you can proactively replace disks that are at a higher risk of failure, reducing the chances of data loss.
  4. Monitoring disk usage and capacity: Regular monitoring of disk usage and capacity helps you identify situations where the storage is approaching its maximum limit. This allows you to take timely actions such as expanding the storage capacity or archiving old data to prevent data loss due to insufficient space.
  5. Monitoring environmental factors: Disk health monitoring tools can also monitor environmental factors like temperature and humidity. Excessive heat or moisture can negatively impact the disks' performance and lifespan. By monitoring these factors, you can take steps to maintain an optimal environment for the NAS device and prevent potential disk failures.
  6. Regular backups: Disk health monitoring should be complemented with regular backups of the data stored on the NAS device. Even with preventive measures, disk failures can still occur. Having up-to-date backups ensures that you can recover your data in case of any unforeseen data loss events.

Overall, regular disk health monitoring and analysis provide crucial insights into the status of the disks in a NAS device, allowing you to proactively address any potential issues and minimize the risk of data loss.

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

Although NAS TeraStation TS6400DN0802 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 Buffalo TeraStation TS6400DN0802. 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 Buffalo

How to recover data from a Buffalo

TeraStation TS6400DN0802 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 Buffalo TeraStation TS6400DN0802 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 TeraStation TS6400DN0802, feel free to leave a comment!
  • Raife Hickley
    Raife Hickley 1.09.2023 20:40 #
    Can data recovery from a NAS Buffalo TeraStation TS6400DN0802 device be done if the device is showing signs of disk or storage media errors?
    • Hetman Software
      Hetman Software 1.09.2023 21:59 #

      Yes, data recovery from a NAS Buffalo TeraStation TS6400DN0802 device can be attempted even if the device is showing signs of disk or storage media errors. However, the success of the recovery depends on the nature and severity of the errors.

      If the errors are minor and do not affect the overall functionality of the device, data recovery can be attempted using specialized data recovery software or by connecting the disks to another computer.

      If the errors are more severe and prevent the device from functioning properly, it may be necessary to send the device to a professional data recovery service. These services have specialized equipment and expertise to recover data from faulty NAS devices.

      It's important to note that data recovery can be a complex and time-consuming process, and there is no guarantee of success. It is always recommended to have regular backups of important data to avoid such situations.

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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 necessary steps to connect the NAS Buffalo TeraStation TS6400DN0802 to the router?

    To connect the NAS Buffalo TeraStation TS6400DN0802 to the router, follow these necessary steps:

    1. Power on the Buffalo TeraStation NAS by plugging it into a power outlet.
    2. Connect one end of an Ethernet cable to the LAN port on the back of the NAS device.
    3. Connect the other end of the Ethernet cable to an available LAN port on your router.
    4. Wait for the NAS device to initialize and establish a network connection with the router.
    5. Once the connection is established, you can access the NAS device through its IP address or hostname.
    6. To find the IP address of the NAS device, you can use a network scanning tool or check the router's connected devices list.
    7. Open a web browser on a computer connected to the same network as the NAS device.
    8. Enter the NAS device's IP address or hostname in the browser's address bar and press Enter.
    9. You will be prompted to log in to the NAS device's web interface. Use the default username and password provided with the device or any previously set credentials.
    10. Once logged in, you can configure the NAS settings, create shared folders, and manage user access, among other tasks.

    Note: It is recommended to consult the Buffalo TeraStation TS6400DN0802 user manual for specific instructions and any additional steps that may be required for initial setup and configuration.

  • Are there any specific network settings or configurations required to establish a successful connection between the NAS Buffalo TeraStation and the router?

    Yes, there are specific network settings and configurations required to establish a successful connection between the NAS Buffalo TeraStation and the router. Here are some important steps to follow:

    1. Connect the NAS Buffalo TeraStation to the router using an Ethernet cable.
    2. Make sure the NAS and the router are powered on.
    3. Access the NAS administration interface by typing the NAS IP address into a web browser. The default IP address is often 192.168.11.150, but it can vary depending on the model and configuration.
    4. Enter the login credentials (username and password) to access the NAS administration interface. The default username and password are often "admin" for both.
    5. Once logged in, navigate to the network settings or configuration section.
    6. Set the network mode to DHCP if your router is using DHCP to assign IP addresses. This allows the NAS to obtain an IP address automatically from the router.
    7. If your router does not use DHCP, you may need to set a static IP address for the NAS. Consult your router's documentation for instructions on setting up static IP addresses and assign an appropriate IP address to the NAS.
    8. Ensure that the subnet mask and default gateway settings match those of your router. These settings are typically automatically configured when using DHCP.
    9. Save the network settings and restart the NAS if prompted.
    10. Verify the connection by accessing the NAS from a computer on the same network. You can usually do this by typing the NAS IP address into a file explorer or web browser.

    By following these steps and ensuring the correct network settings and configurations, you should be able to establish a successful connection between the NAS Buffalo TeraStation and the router.

  • Can you provide troubleshooting tips or common issues encountered when connecting the NAS Buffalo TeraStation TS6400DN0802 to the router?

    When connecting the NAS Buffalo TeraStation TS6400DN0802 to a router, there are a few troubleshooting tips and common issues you may encounter:

    1. Check the physical connections: Ensure that the Ethernet cable is securely connected to both the NAS and the router. Sometimes, loose connections can cause connectivity issues.
    2. Verify the IP address: By default, the NAS should obtain an IP address automatically from the router using DHCP. Check the router's DHCP client list or use a network scanning tool to find the IP address assigned to the NAS. If the NAS does not have an IP address, you may need to check the network settings or configure a static IP address for the NAS.
    3. Firewall or antivirus software: Sometimes, firewall or antivirus software can block the NAS from connecting to the network. Temporarily disable any such software on your computer or router and see if the NAS connects successfully. If it does, you may need to configure the firewall or antivirus software to allow the NAS to communicate with the network.
    4. Network settings: Ensure that the NAS is on the same subnet as the router. If the NAS has a different subnet or network settings, it may not be able to connect to the router. Check the NAS's network settings and configure them accordingly.
    5. Router settings: Some routers have specific configurations or security settings that may affect the NAS's connectivity. Check the router's user manual or manufacturer's website for any known issues or recommended settings for connecting NAS devices.
    6. Firmware updates: Ensure that both the NAS and the router have the latest firmware updates installed. Outdated firmware can sometimes cause compatibility issues or connectivity problems.
    7. Network cable or port issues: Try using a different Ethernet cable or connecting the NAS to a different port on the router. Faulty cables or ports can sometimes cause connectivity problems.
    8. Reset the NAS: If all else fails, you may need to perform a factory reset on the NAS. This will restore the NAS to its default settings, including network configurations. Refer to the NAS's user manual for instructions on how to reset it.

    If you are still unable to connect the NAS to the router after troubleshooting, it may be helpful to consult the Buffalo support website or contact their customer support for further assistance.

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