Comprehensive NAS Buffalo TeraStation TS3420RN1602 Data Recovery: Step-by-Step RAID Array Recovery

Discover essential steps for recovering RAID arrays and data from ⭐ NAS with our guide.

Comprehensive NAS Buffalo TeraStation TS3420RN1602 Data Recovery: Step-by-Step RAID Array Recovery

Buffalo TeraStation TS3420RN1602 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 TS3420RN1602.

Comprehensive NAS Buffalo TeraStation TS3420RN1602 Data Recovery: Step-by-Step RAID Array Recovery

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.

What is a NAS Buffalo TeraStation TS3420RN1602 (Network Attached Storage) device?

The Buffalo TeraStation TS3420RN1602 is a Network Attached Storage (NAS) device manufactured by Buffalo Technology. It is designed to provide centralized storage and data management for small to medium-sized businesses or home offices.

The TS3420RN1602 model specifically offers a storage capacity of 16TB (terabytes) and comes with two hard drives pre-installed. It features a rack-mountable design, making it suitable for installation in server rooms or network cabinets.

The NAS device allows multiple users to access and share files over a network, providing a centralized storage solution for data backup, file sharing, and media streaming. It supports various RAID configurations for data redundancy and protection. It also offers advanced security features, such as encrypted data transmission and user access controls.

Additionally, the Buffalo TeraStation TS3420RN1602 includes features like hot-swappable drive bays, remote management capabilities, and compatibility with various operating systems and protocols.

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

Although NAS TeraStation TS3420RN1602 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 TS3420RN1602. 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 TS3420RN1602 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 TS3420RN1602 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 TS3420RN1602, feel free to leave a comment!
  • Sammy Goode
    Sammy Goode 1.09.2023 20:57 #
    Can deleted files be recovered from a NAS Buffalo TeraStation TS3420RN1602 device?
    • Hetman Software
      Hetman Software 1.09.2023 21:00 #

      Yes, it is possible to recover deleted files from a NAS Buffalo TeraStation TS3420RN1602 device, but it depends on the specific circumstances and actions taken after the files were deleted.

      If the files were recently deleted and no other data has been written to the NAS device since then, there is a higher chance of successful recovery. In such cases, you can use data recovery software or services to scan the NAS device and attempt to recover the deleted files.

      However, if the files were deleted a long time ago or if the NAS device has been actively used and new data has been written to it, the chances of recovering the deleted files become lower. As new data is written to the NAS, it may overwrite the sectors where the deleted files were stored, making recovery more difficult or even impossible.

      It is always recommended to immediately stop using the NAS device and consult with a professional data recovery service if you need to recover important deleted files.

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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 specifications of the NAS Buffalo TeraStation TS3420RN1602 that make it suitable for internet access?

    The Buffalo TeraStation TS3420RN1602 is a Network Attached Storage (NAS) device that offers several key features and specifications that make it suitable for internet access. These include:

    1. Storage Capacity: The TS3420RN1602 comes with a total storage capacity of 16TB, which can be expanded further by connecting additional external drives. This ample storage space allows for the storage and management of large amounts of data, making it suitable for internet access.
    2. RAID Support: The NAS supports RAID configurations (RAID 0, 1, 5, 6, 10, 50, and JBOD), which provide data redundancy and protection against drive failures. This ensures that your data remains accessible and secure even in the event of a drive failure.
    3. High-Speed Connectivity: The TS3420RN1602 is equipped with dual Gigabit Ethernet ports, allowing for high-speed data transfer and internet connectivity. This ensures fast and reliable access to your stored data over the internet.
    4. Remote Access: The NAS supports remote access functionality, allowing you to access your data from anywhere with an internet connection. This feature is particularly useful for users who need to access their files while on the go or from a different location.
    5. Security Features: The TS3420RN1602 offers various security features to protect your data. It supports Active Directory integration, enabling centralized user and group management. It also includes AES 256-bit encryption for data privacy and secure data transfers over the internet.
    6. Backup and Sync: The NAS comes with built-in backup and sync features, allowing you to schedule automatic backups of your data to external drives or cloud storage services. This ensures that your data is protected and easily recoverable in case of accidental deletion or system failure.
    7. Scalability: The TS3420RN1602 is scalable and supports the addition of external drives or expansion units to increase storage capacity as your needs grow. This scalability makes it suitable for businesses or individuals requiring a flexible and expandable storage solution.

    Overall, the Buffalo TeraStation TS3420RN1602's combination of ample storage capacity, high-speed connectivity, remote access capabilities, security features, and scalability make it well-suited for internet access and data management.

  • How does the NAS Buffalo TeraStation TS3420RN1602 ensure secure and reliable internet access for users?

    The NAS Buffalo TeraStation TS3420RN1602 ensures secure and reliable internet access for users through various features and protocols. Here are some ways it achieves this:

    1. RAID Technology: The TeraStation TS3420RN1602 supports RAID levels 0, 1, 5, 6, 10, and JBOD. RAID provides redundancy and data protection by distributing data across multiple hard drives. In case of a drive failure, the system can automatically rebuild the data from the remaining drives, ensuring data integrity and preventing data loss.
    2. Active Directory Integration: The TeraStation TS3420RN1602 can integrate with an existing Active Directory infrastructure. This allows for centralized user and group management, ensuring secure access control and authentication.
    3. Data Encryption: The NAS supports AES 256-bit encryption, which encrypts the data stored on the drives. This ensures that even if the drives are stolen or accessed by unauthorized individuals, the data remains secure and unreadable.
    4. Built-in Firewall: The TeraStation TS3420RN1602 has a built-in firewall that helps protect the network from unauthorized access and external threats. It can block unwanted incoming connections and allow only trusted traffic, enhancing the overall security of the network.
    5. VPN Support: The NAS supports Virtual Private Network (VPN) protocols like PPTP, L2TP, and OpenVPN. VPNs create a secure encrypted tunnel between the user's device and the NAS, allowing remote access to files and data while maintaining privacy and security.
    6. Antivirus Integration: The TeraStation TS3420RN1602 can integrate with antivirus software, providing real-time scanning and protection against malware and viruses. This helps prevent data corruption and ensures the integrity of the stored files.
    7. SSL/TLS Support: The NAS supports Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, which encrypt the communication between the NAS and connected devices. This ensures that data transmitted over the network is secure and protected from eavesdropping or interception.
    8. Scheduled Backup and Replication: The TeraStation TS3420RN1602 allows users to schedule automatic backups and replication of data to other NAS devices or external storage. This ensures data redundancy and disaster recovery, minimizing the risk of data loss.

    Overall, the NAS Buffalo TeraStation TS3420RN1602 combines various security features, encryption, access controls, and backup capabilities to provide secure and reliable internet access for users.

  • Can the NAS Buffalo TeraStation TS3420RN1602 be easily integrated into existing network infrastructures to provide seamless internet access?

    Yes, the NAS Buffalo TeraStation TS3420RN1602 can be easily integrated into existing network infrastructures to provide seamless internet access. It is designed to work with standard network protocols and can be connected to your network via Ethernet. Once connected, it can be configured to provide file sharing, data backup, and other network services, allowing seamless access to files and data over the internet.

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