How to recover data from Buffalo TeraStation TS-2RZS08T04D NAS

Is your network drive gone, and you are wondering what to do? Has a RAID system crashed, and your files are no longer accessible? Does your device display an error while booting? Have you accidentally rebuilt your RAID system? Are several hard disks out of order?

How to recover data from NAS Buffalo TeraStation TS-2RZS08T04D

Buffalo TeraStation TS-2RZS08T04D 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 TS-2RZS08T04D.

How to recover data from NAS Buffalo TeraStation TS-2RZS08T04D

Recover data from damaged RAID arrays inaccessible from a computer.

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 user authentication methods impact data loss risks for NAS Buffalo TeraStation TS-2RZS08T04D devices?

User authentication methods can have a significant impact on data loss risks for NAS Buffalo TeraStation TS-2RZS08T04D devices. Here are a few ways in which user authentication methods can help mitigate data loss risks:

  1. Strong Password Policies: Implementing strong password policies, such as requiring complex passwords and regular password changes, can help prevent unauthorized access to the device. This reduces the risk of data loss due to malicious attacks or unauthorized users gaining access to sensitive data.
  2. Two-Factor Authentication (2FA): Enabling 2FA adds an extra layer of security by requiring users to provide a second form of authentication, such as a unique code sent to their mobile device, in addition to their password. This helps prevent unauthorized access even if the password is compromised.
  3. User Access Controls: Implementing granular user access controls allows administrators to define specific permissions and access levels for different users or user groups. By restricting access to only necessary files and folders, the risk of accidental or intentional data loss due to user error or malicious actions is minimized.
  4. Audit Logs and Monitoring: Enabling audit logs and monitoring user activities on the device can help identify any suspicious or unauthorized access attempts. By regularly reviewing these logs, administrators can detect and respond to potential security breaches, reducing the risk of data loss.
  5. Regular Firmware Updates: Keeping the device's firmware up to date is crucial for addressing any security vulnerabilities that may be present. Regularly checking for and applying firmware updates provided by the manufacturer helps ensure that the device is protected against known security risks.

By implementing strong user authentication methods and following security best practices, the risk of data loss on NAS Buffalo TeraStation TS-2RZS08T04D devices can be significantly reduced.

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

Although NAS TeraStation TS-2RZS08T04D 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 TS-2RZS08T04D. 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 TS-2RZS08T04D has 12 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;

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 TS-2RZS08T04D 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 TS-2RZS08T04D, feel free to leave a comment!
  • Patrick Towe
    Patrick Towe 29.08.2023 14:52 #
    Is it possible to recover data from a NAS Buffalo TeraStation TS-2RZS08T04D device that has undergone a system update or software upgrade?
    • Hetman Software
      Hetman Software 29.08.2023 14:59 #

      Yes, it is possible to recover data from a NAS Buffalo TeraStation TS-2RZS08T04D device that has undergone a system update or software upgrade. However, it is important to note that performing a system update or software upgrade can sometimes result in data loss or corruption.

      To increase the chances of successful data recovery, it is recommended to follow these steps:

      1. Stop using the NAS immediately to prevent further data loss or overwriting of files.
      2. Contact a professional data recovery service or a specialist in NAS recovery.
      3. Provide them with details about the NAS model, the updates or upgrades performed, and any error messages or symptoms you are experiencing.
      4. Follow the instructions provided by the data recovery service to safely remove the hard drives from the NAS and send them to the recovery center.
      5. The data recovery specialists will analyze the drives and attempt to recover the lost data using specialized tools and techniques.

      It is important to note that data recovery is not always guaranteed, especially if the update or upgrade process caused severe damage or corruption to the data. Regular backups of important data are always recommended to mitigate the risk of data loss during system updates or upgrades.

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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 measures implemented in the NAS Buffalo TeraStation TS-2RZS08T04D to ensure data security?

    The NAS Buffalo TeraStation TS-2RZS08T04D incorporates several key features and measures to ensure data security. These include:

    1. RAID Technology: The TeraStation TS-2RZS08T04D supports RAID 1 (mirroring) configuration, which duplicates data across two hard drives. This redundancy provides protection against drive failures and ensures data availability.
    2. Encryption: The NAS supports AES 256-bit encryption, which encrypts data stored on the drives. This ensures that even if the drives are stolen or accessed without authorization, the data remains secure.
    3. Active Directory Integration: The TeraStation TS-2RZS08T04D can integrate with an existing Active Directory infrastructure. This allows for centralized user authentication and access control, ensuring that only authorized users can access the data.
    4. Scheduled Backup and Replication: The NAS supports scheduled backups and replication to external devices or remote TeraStations. This allows for regular data backups and offsite storage, providing an additional layer of protection against data loss.
    5. Anti-Virus Integration: The TeraStation TS-2RZS08T04D can integrate with popular anti-virus software, allowing for real-time scanning and protection against malware and viruses that could compromise data security.
    6. Secure Remote Access: The NAS supports secure remote access protocols such as SSL/TLS, VPN, and FTPS. This ensures that data transmitted over the network is encrypted and protected from unauthorized access.
    7. User and Group Permissions: The TeraStation TS-2RZS08T04D allows administrators to set granular user and group permissions for file and folder access. This ensures that only authorized users can access specific files and folders, enhancing data security.
    8. Physical Security: The NAS is designed with a lockable front panel, preventing unauthorized physical access to the drives. Additionally, it has a Kensington security slot, allowing for the attachment of a security cable to prevent theft.

    Overall, the NAS Buffalo TeraStation TS-2RZS08T04D incorporates various features and measures to ensure data security, including RAID technology, encryption, active directory integration, scheduled backups, anti-virus integration, secure remote access, user permissions, and physical security measures.

  • How does the NAS Buffalo TeraStation TS-2RZS08T04D protect against unauthorized access and data breaches?

    The NAS Buffalo TeraStation TS-2RZS08T04D utilizes several security measures to protect against unauthorized access and data breaches:

    1. User Authentication: The TeraStation supports multiple user accounts with individual permissions and passwords. This ensures that only authorized users can access the device and its data.
    2. Access Controls: The device allows administrators to define access controls and permissions at a granular level. This means that specific folders or files can be restricted to certain users or groups, adding an extra layer of protection.
    3. Secure Remote Access: The TeraStation supports secure remote access protocols such as HTTPS and FTPS, which encrypt data transmission over the internet. This prevents unauthorized interception of data during remote access.
    4. Active Directory Integration: It can integrate with existing Active Directory (AD) infrastructure, allowing administrators to manage user access and permissions centrally. This simplifies user management and ensures consistent security practices.
    5. Data Encryption: The TeraStation offers hardware-level encryption capabilities, allowing users to encrypt specific folders or entire volumes. This ensures that even if unauthorized access occurs, the data remains encrypted and inaccessible.
    6. Network Security: The device supports various network security protocols such as IP address filtering, VLAN, and port trunking. These features help protect against unauthorized network access and mitigate potential vulnerabilities.
    7. Scheduled Backups: The TeraStation supports scheduled backups to external devices or cloud storage. Regular backups ensure that data can be restored in case of a breach or accidental data loss.
    8. Firmware Updates: Buffalo regularly releases firmware updates to address any security vulnerabilities or bugs. Keeping the device up to date with the latest firmware helps protect against potential exploits.

    It is important to note that while the TeraStation TS-2RZS08T04D incorporates several security features, no system is completely immune to data breaches. It is crucial to follow best practices, such as using strong passwords, regularly updating firmware, and implementing additional security measures to further enhance data protection.

  • Can you explain the backup and recovery options available on the NAS Buffalo TeraStation TS-2RZS08T04D to ensure data integrity and protection?

    The NAS Buffalo TeraStation TS-2RZS08T04D offers several backup and recovery options to ensure data integrity and protection. Here are some of the key features:

    1. RAID Configuration: The TeraStation TS-2RZS08T04D supports various RAID configurations, including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10. These configurations provide different levels of data redundancy and protection against drive failures.
    2. Hot Spare Function: This NAS device allows you to designate a spare drive that automatically replaces a failed drive in the RAID array. This ensures that your data remains intact and accessible even if a drive fails.
    3. Replication: The TeraStation TS-2RZS08T04D supports replication, allowing you to create a duplicate copy of your data on another TeraStation device. This helps in creating offsite backups for disaster recovery purposes.
    4. Time Machine Support: If you are using Mac computers, the TeraStation TS-2RZS08T04D is compatible with Apple's Time Machine backup software. You can easily set up automatic backups of your Macs to the NAS device, ensuring that your data is protected.
    5. Scheduled Backup: The NAS device allows you to schedule regular backups of your data to an external USB drive or another network location. You can set up incremental or full backups at specific intervals to ensure data integrity.
    6. Cloud Backup: The TeraStation TS-2RZS08T04D supports integration with various cloud backup services like Amazon S3, Dropbox, and Microsoft Azure. This allows you to create additional offsite backups for added data protection.
    7. Snapshot Function: The NAS device offers a snapshot function that captures the state of your data at a specific point in time. This feature allows you to quickly restore files or folders to a previous version in case of accidental deletion or data corruption.
    8. Active Directory Integration: The TeraStation TS-2RZS08T04D can integrate with your existing Active Directory infrastructure, enabling centralized user and group management for easier access control and data protection.

    These backup and recovery options provided by the NAS Buffalo TeraStation TS-2RZS08T04D ensure that your data is protected from drive failures, accidental deletions, and other potential risks, maintaining data integrity and availability.

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