Accessing RAID Array Data When NAS Buffalo TeraStation TS3400D0804 Fails to Start

Our guide provides effective solutions to access files on a RAID disk if your ⭐ NAS won't turn on.

Accessing RAID Array Data When NAS Buffalo TeraStation TS3400D0804 Fails to Start

Buffalo TeraStation TS3400D0804 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 TS3400D0804.

Accessing RAID Array Data When NAS Buffalo TeraStation TS3400D0804 Fails to Start

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 data fragmentation impact data availability and potential loss on NAS Buffalo TeraStation TS3400D0804 devices?

Data fragmentation can impact data availability and potential loss on NAS Buffalo TeraStation TS3400D0804 devices in the following ways:

  1. Reduced Performance: Data fragmentation can lead to slower read and write speeds on the NAS device. When files are fragmented, the NAS has to access multiple locations on the hard drive to retrieve the complete file, resulting in increased seek times and decreased performance.
  2. Increased Risk of Data Loss: Fragmented data is more susceptible to data loss. If a single fragment of a file becomes corrupted or lost, the entire file may become inaccessible. This can lead to data loss if backups are not regularly performed.
  3. Difficulty in Data Recovery: In the event of a hardware failure or accidental deletion, fragmented data can be more challenging to recover. If the file system metadata is fragmented, it becomes harder for data recovery tools to locate and reconstruct the files.
  4. Decreased Storage Efficiency: Fragmentation can also impact storage efficiency on the NAS device. Fragmented files take up more space on the hard drive as the free space becomes scattered across different areas. This reduces the overall usable storage capacity and requires more frequent disk defragmentation or file system optimization.
  5. Increased Wear and Tear on Hard Drives: Fragmentation increases the number of disk operations required to read or write files, which can lead to increased wear and tear on the hard drives. This may result in a higher likelihood of hard drive failures and data loss.

To mitigate the impact of data fragmentation on a NAS Buffalo TeraStation TS3400D0804, regular disk defragmentation or file system optimization should be performed. This process rearranges the fragmented data on the hard drives, improving performance, reducing the risk of data loss, and increasing storage efficiency. Additionally, implementing a backup strategy that includes regular backups of critical data can help protect against potential data loss.

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

Although NAS TeraStation TS3400D0804 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 TS3400D0804. 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 TS3400D0804 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;

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 TS3400D0804 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 TS3400D0804, feel free to leave a comment!
  • Chadwick Bowell
    Chadwick Bowell 30.08.2023 01:56 #
    Is it possible to recover data from a NAS Buffalo TeraStation TS3400D0804 device that has been physically damaged by a fall or impact?
    • Hetman Software
      Hetman Software 30.08.2023 03:00 #

      Recovering data from a physically damaged NAS device can be challenging and may require professional data recovery services. If the NAS Buffalo TeraStation TS3400D0804 has been physically damaged due to a fall or impact, it is recommended to contact a data recovery specialist who can assess the extent of the damage and attempt to recover the data. They have specialized tools and techniques to recover data from damaged storage devices. However, keep in mind that the success of data recovery depends on the severity of the damage and the condition of the storage media.

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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 a NAS Buffalo TeraStation TS3400D0804 at home?

    Setting up a NAS Buffalo TeraStation TS3400D0804 at home involves several steps. Here is a general outline of the process:

    1. Unboxing: Start by unpacking the NAS device and ensure that all the necessary components are present, including the TeraStation unit, power adapter, Ethernet cable, and any additional accessories.
    2. Network Connection: Connect the NAS device to your home network. Plug one end of the Ethernet cable into the LAN port on the TeraStation and the other end into an available LAN port on your home router or switch.
    3. Power Connection: Connect the power adapter to the TeraStation and plug it into a power outlet.
    4. Power On: Press the power button on the TeraStation to turn it on. Wait for the device to boot up, which may take a few minutes.
    5. Configuration: Access the TeraStation's web-based configuration interface using a web browser on a computer connected to the same network. Enter the default IP address of the TeraStation (usually mentioned in the user manual) in the browser's address bar and press Enter.
    6. Initial Setup: Follow the on-screen prompts to set up the TeraStation. This may include selecting the language, setting the date and time, and creating a password for the admin account.
    7. RAID Configuration: Choose the desired RAID level (such as RAID 0, 1, 5, 10) for your storage configuration. This will determine how the hard drives in the TeraStation will be utilized for data redundancy and performance.
    8. Disk Initialization: Initialize the hard drives installed in the TeraStation. This process prepares the drives for use and may take some time depending on the size and number of drives.
    9. Network Settings: Configure the network settings of the TeraStation, including assigning a static IP address or using DHCP to obtain an IP address automatically. Ensure that the TeraStation has a unique hostname on your network.
    10. Shared Folders: Set up shared folders on the TeraStation to organize and manage your files. You can create multiple folders with different access permissions for various users or groups.
    11. User Accounts: Create user accounts on the TeraStation to control access to the shared folders. Assign appropriate permissions to each user account based on their needs.
    12. Data Backup: Configure backup options to protect your data. You can set up scheduled backups to external drives, cloud storage, or other network devices.
    13. Access and Management: Test accessing the shared folders from other devices on your network to ensure proper connectivity. Install any necessary software or apps on your devices to access and manage the TeraStation remotely.
    14. Security and Firmware Updates: Enable security features like firewall settings, antivirus scanning, and regular firmware updates to keep your TeraStation secure and up to date.

    It is important to note that these steps may vary slightly depending on the specific model and firmware version of the NAS Buffalo TeraStation. It is recommended to refer to the user manual or documentation provided by Buffalo for detailed instructions.

  • What are the necessary hardware and software requirements for setting up a NAS Buffalo TeraStation TS3400D0804?

    The necessary hardware and software requirements for setting up a NAS Buffalo TeraStation TS3400D0804 are as follows:

    Hardware Requirements:

    1. Buffalo TeraStation TS3400D0804 NAS device.
    2. Ethernet cables for network connectivity.
    3. A router or switch for connecting the NAS to the network.
    4. Hard drives for storage (not included with the NAS device).
    5. Power supply and cables for the NAS device.

    Software Requirements:

    1. A computer or mobile device with a web browser for initial setup and configuration.
    2. Operating system compatibility: Windows, macOS, or Linux.
    3. Network File System (NFS) or Server Message Block (SMB) protocol support on the client devices.
    4. Buffalo NAS Navigator software (available for download from the Buffalo website) for easy device discovery and management.
    5. Optional backup software for data protection and disaster recovery.

    It is recommended to refer to the user manual or documentation provided by Buffalo for more detailed instructions on setting up the NAS device.

  • How can I configure and access the NAS Buffalo TeraStation TS3400D0804 remotely from my home network?

    To configure and access the NAS Buffalo TeraStation TS3400D0804 remotely from your home network, you can follow these steps:

    1. Connect the TeraStation to your home network: Connect the NAS device to your router using an Ethernet cable. Make sure it is powered on and connected to the network.
    2. Set up port forwarding: Access your router's settings by typing its IP address into a web browser. Look for the "Port Forwarding" or "Virtual Server" section. Create a new rule to forward the necessary ports (usually TCP port 9000 for web access and TCP port 873 for file access) to the IP address of the TeraStation.
    3. Configure the TeraStation: Open a web browser and enter the IP address of the TeraStation to access its web interface. Log in using the default username and password (admin/password). Change the password to enhance security.
    4. Enable remote access: In the TeraStation's web interface, navigate to "Settings" or "System" and look for the remote access settings. Enable remote access and configure the necessary settings, such as port numbers and security options. Save the changes.
    5. Set up a dynamic DNS (DDNS) service: If your home network has a dynamic IP address, you'll need to set up a DDNS service to assign a domain name to your network. This allows you to access your TeraStation using a consistent domain name, even if your IP address changes. Popular DDNS services include No-IP, DynDNS, and DuckDNS. Follow the instructions provided by your chosen DDNS service to set it up.
    6. Access the TeraStation remotely: Open a web browser on any device outside your home network and enter the DDNS domain name or your public IP address followed by the port number (e.g., http://yourdomain.com:9000). You should now be able to access and manage your TeraStation remotely.

    Note: Ensure you have proper security measures in place, such as strong passwords, enabling SSL/TLS encryption, and restricting access to trusted IP addresses, to protect your data and network.

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