How to Restore a NAS Buffalo Drive Station HD-CX2.0TU2 RAID Array After Multiple Disk Failures

Discover how to manage and restore a RAID array on a ⭐ NAS with several damaged disks.

How to Restore a NAS Buffalo Drive Station HD-CX2.0TU2 RAID Array After Multiple Disk Failures
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Buffalo Drive Station HD-CX2.0TU2 NAS Data Recovery in 2024

In this step-by-step tutorial, we’ll show you how to rebuild your RAID and recover data from Drive Station HD-CX2.0TU2.

How to Restore a NAS Buffalo Drive Station HD-CX2.0TU2 RAID Array After Multiple Disk Failures

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.

Can improper configuration of network settings or IP addresses result in data loss on NAS Buffalo Drive Station HD-CX2.0TU2 devices?

Yes, improper configuration of network settings or IP addresses can potentially result in data loss on NAS Buffalo Drive Station HD-CX2.0TU2 devices. If the network settings are misconfigured, it may lead to connectivity issues, making it difficult to access or transfer data to/from the device. Additionally, incorrect IP address settings can cause the device to be unreachable or inaccessible over the network, potentially resulting in data loss if the data cannot be accessed or backed up properly. It is important to ensure that network settings and IP addresses are correctly configured to avoid such issues and prevent data loss.

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

Although NAS Drive Station HD-CX2.0TU2 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 Drive Station HD-CX2.0TU2. 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.

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How to recover data from a Buffalo

How to recover data from a Buffalo

Drive Station HD-CX2.0TU2 has 1 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 Tools – Save 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 Drive Station HD-CX2.0TU2 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 Drive Station HD-CX2.0TU2, feel free to leave a comment!
    Reply
  • Niles Southcott
    Niles Southcott 28.08.2023 07:40 #
    How does data recovery from NAS Buffalo Drive Station HD-CX2.0TU2 differ from other storage devices?
    Reply
    • Hetman Software
      Hetman Software 28.08.2023 08:59 #

      Data recovery from a NAS Buffalo Drive Station HD-CX2.0TU2 differs from other storage devices in a few ways:

      1. Network Attached Storage (NAS): The Buffalo Drive Station HD-CX2.0TU2 is a NAS device, which means it is designed to be connected to a network and accessed by multiple users simultaneously. Unlike traditional storage devices like external hard drives or USB flash drives, NAS devices provide file sharing and centralized storage capabilities. This means that data recovery from a NAS involves dealing with network protocols and configurations, as well as potential issues related to multiple users accessing and modifying data.
      2. RAID Configuration: Many NAS devices, including the Buffalo Drive Station HD-CX2.0TU2, support RAID (Redundant Array of Independent Disks) configurations. RAID provides data redundancy and improves performance by distributing data across multiple drives. However, recovering data from a NAS with RAID can be more complex than recovering data from a single drive. The recovery process may involve rebuilding the RAID array, identifying failed drives, and extracting data from multiple disks.
      3. File System: The Buffalo Drive Station HD-CX2.0TU2 typically uses a file system like NTFS or FAT32 to organize and manage data. The file system structure may differ from other storage devices, such as Mac-formatted drives that use HFS+ or APFS. Data recovery from a NAS may require specialized knowledge of the specific file system used by the device to ensure successful recovery.
      4. Data Access: Since NAS devices are connected to a network, data recovery may involve accessing the device remotely rather than directly connecting it to a computer. This requires expertise in network protocols, such as SMB (Server Message Block) or NFS (Network File System), to establish a connection and retrieve the data.

      Overall, data recovery from a NAS Buffalo Drive Station HD-CX2.0TU2 can be more complex due to its networked nature, RAID configuration, specific file system, and remote data access requirements. It is recommended to consult professional data recovery services experienced in dealing with NAS devices to ensure the best chances of successful recovery.

      Reply
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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

  • How can I access the settings menu on the NAS Buffalo Drive Station HD-CX2.0TU2?

    To access the settings menu on the NAS Buffalo DriveStation HD-CX2.0TU2, you can follow these steps:

    1. Connect the NAS Buffalo DriveStation to your computer using a USB cable.
    2. Make sure the drive is powered on and recognized by your computer.
    3. Open a web browser on your computer and enter the IP address of the DriveStation in the address bar. The default IP address is usually "192.168.11.150".
    4. Press Enter to access the web-based user interface of the DriveStation.
    5. You will be prompted to enter the username and password. The default username is "admin" and the default password is "password". If you have changed these credentials, enter the updated username and password.
    6. Once you have successfully logged in, you will be able to access the settings menu of the DriveStation.
    7. Explore the different settings options available to configure and customize your DriveStation according to your needs.

    Note: It's important to keep in mind that the specific steps may vary slightly depending on the firmware version or any customizations made to the DriveStation's settings.

  • What are the available options and configurations in the settings menu of the NAS Buffalo Drive Station HD-CX2.0TU2?

    The available options and configurations in the settings menu of the NAS Buffalo DriveStation HD-CX2.0TU2 may vary depending on the firmware version and specific model of the device. However, here are some common options and configurations that you may find in the settings menu:

    1. Device Information: This section displays information about the NAS device, including the model, firmware version, serial number, and network settings.
    2. Network Settings: Here, you can configure the network settings of the NAS device, including IP address, subnet mask, gateway, DNS server, and other network-related settings.
    3. Time Settings: This section allows you to configure the date and time settings of the NAS device. You can set the time manually or synchronize it with an NTP (Network Time Protocol) server.
    4. User Management: In this section, you can manage users and user groups. You can create new users, modify existing users, assign permissions, and set passwords for accessing the NAS device.
    5. Shared Folders: Here, you can create and manage shared folders on the NAS device. You can set permissions for each shared folder, including read/write access, guest access, and access control for specific users or groups.
    6. RAID Configuration: If your NAS device supports RAID (Redundant Array of Independent Disks), you can configure the RAID level and settings in this section. You can choose between different RAID levels such as RAID 0, RAID 1, JBOD (Just a Bunch of Disks), etc.
    7. Backup Settings: This section allows you to configure backup settings for the NAS device. You can set up scheduled backups, remote backups, or configure backup to external USB drives.
    8. System Settings: In this section, you can configure various system-related settings, including power management, firmware updates, email notifications, event logs, etc.
    9. Security Settings: Here, you can configure security-related settings such as firewall rules, SSL/TLS encryption, and other security measures to protect the NAS device and its data.
    10. Advanced Settings: This section provides access to advanced configurations such as network protocols (FTP, SMB, NFS), DHCP settings, SNMP (Simple Network Management Protocol), and other advanced options.

    It's important to note that the options and configurations may differ based on the specific model and firmware version of the NAS device. It is recommended to refer to the user manual or documentation provided by Buffalo for detailed information about the settings menu of your specific device.

  • How can I optimize the performance and security settings of the NAS Buffalo Drive Station HD-CX2.0TU2 for my specific needs?

    To optimize the performance and security settings of the Buffalo DriveStation HD-CX2.0TU2 NAS for your specific needs, follow these steps:

    1. Firmware Update: Ensure that your NAS device is running the latest firmware version available. Visit the Buffalo website and download the firmware update if necessary. Regular firmware updates often include performance improvements and security patches.
    2. Network Configuration: Connect the NAS directly to your router using an Ethernet cable for the best performance. Avoid using Wi-Fi as it may introduce latency and reduce transfer speeds.
    3. RAID Configuration: If your NAS supports RAID, configure it according to your needs. RAID 0 offers maximum performance and capacity but lacks redundancy, while RAID 1 provides data mirroring for increased data protection. Choose the appropriate RAID level based on your priorities.
    4. File System: Select the appropriate file system for your NAS. If you primarily use Windows devices, NTFS is recommended. For cross-platform compatibility, consider using exFAT or FAT32. Ensure the file system is supported by your NAS and meets your requirements.
    5. User Accounts and Permissions: Create individual user accounts for each person who needs access to the NAS. Assign appropriate permissions to each user, limiting access to specific folders or files. This helps enhance security and prevent unauthorized access.
    6. Firewall and Port Forwarding: Configure your router's firewall to allow necessary ports for NAS access. Enable port forwarding if you want to remotely access the NAS from outside your local network. Be cautious and ensure you understand the security implications of opening ports.
    7. Encryption: If your NAS supports it, enable encryption for data stored on the device. This adds an extra layer of security, especially if the NAS is accessible from the internet.
    8. Antivirus and Malware Protection: Install antivirus software on your connected devices to scan files before transferring them to the NAS. This helps prevent malware from infecting your NAS and spreading to other devices.
    9. Regular Backups: Implement a backup strategy to ensure data redundancy and protection against potential data loss. Schedule regular backups of critical data to an external storage device or cloud service.
    10. Power Management: Adjust the power settings of your NAS to optimize energy consumption and reduce wear and tear. Configure auto power-off or sleep mode when the NAS is idle for a certain period.

    Remember to refer to the user manual or support resources provided by Buffalo for specific instructions on configuring your NAS model.
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